Trojan.Encoder.37992

Technical Information

Malicious functions

Reads files which store third party applications passwords

%HOMEPATH%\desktop\168.jpeg
%HOMEPATH%\desktop\sdszfo.docx
%HOMEPATH%\desktop\region-north-karelia.jpeg
%HOMEPATH%\desktop\ovp25012015.doc
%HOMEPATH%\desktop\nwfieldnotes1966.docx
%HOMEPATH%\desktop\issi2013_template_for_posters.docx
%HOMEPATH%\desktop\iisstart.htm
%HOMEPATH%\desktop\split.avi
%HOMEPATH%\desktop\hanni_umami_chapter.doc
%HOMEPATH%\desktop\dial.bmp
%HOMEPATH%\desktop\dashborder_120.bmp
%HOMEPATH%\desktop\cveuropeo.doc
%HOMEPATH%\desktop\correct.avi
%HOMEPATH%\desktop\alert.htm
%HOMEPATH%\desktop\adhd_and_obesity.docx
%HOMEPATH%\desktop\february_catalogue__2015.doc
%HOMEPATH%\desktop\tree_view.htm

Modifies file system

Creates the following files

%TEMP%\_mei14722\crypto.cipher._aes.pyd
%TEMP%\dd_wcf_ca_smci_20230531_225943_157.txt.snake
%TEMP%\dd_vcredistui7a3c.txt.snake
%TEMP%\dd_vcredistmsi7a3c.txt.snake
%TEMP%\dd_setuputility.txt.snake
%TEMP%\dd_ndp48-x86-x64-allos-enu_decompression_log.txt.snake
%TEMP%\dd_dotnetfx40_full_x86_x64_decompression_log.txt.snake
%LOCALAPPDATA%\microsoft\windows mail\stationery\wrinkled_paper.gif.snake
%LOCALAPPDATA%\microsoft\windows mail\stationery\white_chocolate.jpg.snake
%LOCALAPPDATA%\microsoft\windows mail\stationery\tiki.gif.snake
%LOCALAPPDATA%\microsoft\windows mail\stationery\tanspecks.jpg.snake
%LOCALAPPDATA%\microsoft\windows mail\stationery\stucco.gif.snake
%TEMP%\microsoft .net framework 4 setup_20230531_155457219-msi_netfx_core_x64.msi.txt.snake
%TEMP%\dd_wcf_ca_smci_20230531_225945_094.txt.snake
%LOCALAPPDATA%\microsoft\windows mail\stationery\softblue.jpg.snake
%LOCALAPPDATA%\microsoft\windows mail\stationery\soft blue.htm.snake
%LOCALAPPDATA%\microsoft\windows mail\stationery\small_news.jpg.snake
%LOCALAPPDATA%\microsoft\windows mail\stationery\shadesofblue.jpg.snake
%LOCALAPPDATA%\microsoft\windows mail\stationery\shades of blue.htm.snake
%LOCALAPPDATA%\microsoft\windows mail\stationery\sand_paper.jpg.snake
%LOCALAPPDATA%\microsoft\windows mail\stationery\roses.jpg.snake
%LOCALAPPDATA%\microsoft\windows mail\stationery\roses.htm.snake
%LOCALAPPDATA%\microsoft\windows mail\stationery\psychedelic.jpg.snake
%LOCALAPPDATA%\microsoft\windows mail\stationery\pretty_peacock.jpg.snake
%LOCALAPPDATA%\microsoft\windows mail\stationery\pine_lumber.jpg.snake
%LOCALAPPDATA%\microsoft\windows mail\stationery\stars.jpg.snake
%LOCALAPPDATA%\google\chrome\user data\default\extensions\aohghmighlieiainnegkcijnfilokake\0.0.0.6_0\icon_16.png.snake
%TEMP%\microsoft .net framework 4 setup_20230531_155457219-msi_netfx_extended_x64.msi.txt.snake
%TEMP%\etilqs_cygos2eiy5dcerj
%TEMP%\etilqs_fstbnqfejc4twyy
%TEMP%\etilqs_qwwopxhsese1zhf
%TEMP%\etilqs_sndgevagyfadbxd
%TEMP%\etilqs_6anjezxacpzfela
%TEMP%\etilqs_rjjc91egzn64grj
%TEMP%\etilqs_urvsrfafw4ytilx
%TEMP%\etilqs_hrpp4r0ycquzl6q
%TEMP%\etilqs_jve0tywf7vebfjd
%TEMP%\etilqs_mlyq6exheqo5rv7
%TEMP%\etilqs_opvx5m1tgnxs7la
%HOMEPATH%\desktop\instructions-readme.html
%APPDATA%\thunderbird\profiles\npsdfqy3.default-release\prefs.js.snake
%APPDATA%\thunderbird\profiles\npsdfqy3.default-release\pkcs11.txt.snake
%APPDATA%\mozilla\firefox\profiles\yfwt7ezn.default-release-1\gmp-widevinecdm\4.10.1582.2\license.txt.snake
%APPDATA%\mozilla\firefox\profiles\yfwt7ezn.default-release-1\user.js.snake
%APPDATA%\mozilla\firefox\profiles\yfwt7ezn.default-release-1\sitesecurityservicestate.txt.snake
%APPDATA%\mozilla\firefox\profiles\yfwt7ezn.default-release-1\prefs.js.snake
%APPDATA%\mozilla\firefox\profiles\yfwt7ezn.default-release-1\pkcs11.txt.snake
%APPDATA%\mozilla\firefox\profiles\bcjnbgva.default\user.js.snake
%APPDATA%\mozilla\firefox\profiles\0j9e9tku.default-release\user.js.snake
%APPDATA%\mozilla\firefox\profiles\0j9e9tku.default-release\prefs.js.snake
%APPDATA%\mozilla\firefox\profiles\0j9e9tku.default-release\pkcs11.txt.snake
%TEMP%\microsoft visual c++ 2010 x86 redistributable setup_20220928_165304913-msi_vc_red.msi.txt.snake
%TEMP%\microsoft visual c++ 2010 x64 redistributable setup_20220928_165235616-msi_vc_red.msi.txt.snake
%LOCALAPPDATA%\microsoft\windows mail\stationery\peacock.jpg.snake
%LOCALAPPDATA%\microsoft\windows mail\stationery\stars.htm.snake
%LOCALAPPDATA%\microsoft\windows mail\stationery\peacock.htm.snake
%LOCALAPPDATA%\microsoft\windows mail\stationery\orangecircles.jpg.snake
%LOCALAPPDATA%\microsoft\windows mail\stationery\orange circles.htm.snake
%TEMP%\_mei14722\python27.dll
%LOCALAPPDATA%\google\chrome\application\42.0.2311.135\visualelements\logo.png.snake
%LOCALAPPDATA%\google\chrome\application\42.0.2311.135\secondarytile.png.snake
%LOCALAPPDATA%\google\chrome\application\visualelementsmanifest.xml.snake
%TEMP%\_mei14722\include\pyconfig.h
%TEMP%\_mei14722\win32gui.pyd
%TEMP%\_mei14722\win32event.pyd
%TEMP%\_mei14722\win32console.pyd
%TEMP%\_mei14722\win32api.pyd
%TEMP%\_mei14722\unicodedata.pyd
%TEMP%\_mei14722\select.pyd
%TEMP%\_mei14722\pywintypes27.dll
%TEMP%\_mei14722\pyexpat.pyd
%LOCALAPPDATA%\google\chrome\application\42.0.2311.135\visualelements\splash-620x300.png.snake
%TEMP%\_mei14722\msvcr90.dll
%TEMP%\_mei14722\msvcp90.dll
%TEMP%\_mei14722\msvcm90.dll
%TEMP%\_mei14722\bz2.pyd
%TEMP%\_mei14722\_ssl.pyd
%TEMP%\_mei14722\_socket.pyd
%TEMP%\_mei14722\_multiprocessing.pyd
%TEMP%\_mei14722\_hashlib.pyd
%TEMP%\_mei14722\_ctypes.pyd
%TEMP%\_mei14722\snakelocker.exe.manifest
%TEMP%\_mei14722\microsoft.vc90.crt.manifest
%TEMP%\700.tmp
%TEMP%\microsoft visual c++ 2010 x64 redistributable setup_20220928_164850616-msi_vc_red.msi.txt.snake
%LOCALAPPDATA%\google\chrome\user data\default\extensions\aohghmighlieiainnegkcijnfilokake\0.0.0.6_0\icon_128.png.snake
%LOCALAPPDATA%\google\chrome\user data\default\extensions\apdfllckaahabafndbhieahigkjlhalf\6.2_0\128.png.snake
%LOCALAPPDATA%\google\chrome\application\42.0.2311.135\visualelements\smalllogo.png.snake
%LOCALAPPDATA%\microsoft\windows mail\stationery\notebook.jpg.snake
%LOCALAPPDATA%\microsoft\windows mail\stationery\monet.jpg.snake
%LOCALAPPDATA%\microsoft\windows mail\stationery\handprints.jpg.snake
%LOCALAPPDATA%\microsoft\windows mail\stationery\hand prints.htm.snake
%LOCALAPPDATA%\microsoft\windows mail\stationery\greenbubbles.jpg.snake
%LOCALAPPDATA%\microsoft\windows mail\stationery\green bubbles.htm.snake
%LOCALAPPDATA%\microsoft\windows mail\stationery\garden.jpg.snake
%LOCALAPPDATA%\microsoft\windows mail\stationery\garden.htm.snake
%LOCALAPPDATA%\microsoft\windows mail\stationery\connectivity.gif.snake
%LOCALAPPDATA%\microsoft\windows mail\stationery\cave_drawings.gif.snake
%LOCALAPPDATA%\microsoft\windows mail\stationery\blue_gradient.jpg.snake
%LOCALAPPDATA%\microsoft\windows mail\stationery\bears.jpg.snake
%LOCALAPPDATA%\microsoft\windows mail\stationery\bears.htm.snake
%LOCALAPPDATA%\microsoft\windows mail\oeold.xml.snake
%LOCALAPPDATA%\microsoft\media player\localmls_3.wmdb.snake
%LOCALAPPDATA%\microsoft\media player\currentdatabase_372.wmdb.snake
%LOCALAPPDATA%\microsoft\internet explorer\brndlog.txt.snake
%LOCALAPPDATA%\microsoft\internet explorer\brndlog.bak.snake
%LOCALAPPDATA%\google\chrome\user data\default\extensions\pjkljhegncpnkpknbcohdijeoejaedia\7_0\128.png.snake
%LOCALAPPDATA%\google\chrome\user data\default\extensions\coobgpohoikkiipiblmjeljniedjpjpf\0.0.0.19_0\48.png.snake
%LOCALAPPDATA%\google\chrome\user data\default\extensions\coobgpohoikkiipiblmjeljniedjpjpf\0.0.0.19_0\32.png.snake
%LOCALAPPDATA%\google\chrome\user data\default\extensions\coobgpohoikkiipiblmjeljniedjpjpf\0.0.0.19_0\16.png.snake
%LOCALAPPDATA%\google\chrome\user data\default\extensions\coobgpohoikkiipiblmjeljniedjpjpf\0.0.0.19_0\128.png.snake
%LOCALAPPDATA%\google\chrome\user data\default\extensions\blpcfgokakmgnkcojhhkbfbldkacnbeo\4.2.5_0\128.png.snake
%LOCALAPPDATA%\google\chrome\user data\default\extensions\aohghmighlieiainnegkcijnfilokake\0.0.0.6_0\main.js.snake
%TEMP%\711.tmp

Deletes the following files

%TEMP%\700.tmp
%TEMP%\711.tmp

Changes user data files extensions (Trojan.Encoder).

Network activity

Connects to

'au######te.geo.opera.com':80
'bo##ing.com':80
's.##mg.com':443
'tw##ter.com':80
'sd#####es.operacdn.com':443
'oc##.#ectigo.com':80
'ro###.ebay.com':443
'ro###.ebay.com':80
'bl#####st.rkn.gov.ru':443
'bl#####st.rkn.gov.ru':80
'fa###ook.com':80
'bo##ing.com':443
're###.opera.com':80
'en.###ipedia.org':443
'en.###ipedia.org':80
'se####.yahoo.com':443
'am##on.com':443
'bing.com':80
'am##on.com':80
'du###uckgo.com':443
'se####.yahoo.com':80
'google.com':80
'au######te.geo.opera.com':443
'si#####ck2.opera.com':80
'do#####d3.operacdn.com':443

TCP

HTTP GET requests

http://au######te.geo.opera.com/geolocation/
http://www.bo##ing.com/index.html?ai##########################################################################################
http://www.ya##o.com/?il#####
http://www.tw##ter.com/?pa################
http://re###.opera.com/speeddials/partner/wikipedia_org_us
http://re###.opera.com/speeddials/partner/youtube
http://re###.opera.com/speeddials/partner/product
http://re###.opera.com/speeddials/partner/booking_com_us
http://re###.opera.com/speeddials/partner/twitter_us
http://re###.opera.com/speeddials/partner/yahoo
http://oc##.#ectigo.com/MFIwUDBOMEwwSjAJBgUrDgMCGgUABBQh80WaEMqmyEvaHjlisSfVM4p8SAQUF9nWJSdn%2BTHCSUPZMDZEjGypT%2BsCEQC8crHaXfEEFftuXiE472aK
http://ro###.ebay.com/rover/1/711-53200-19255-0/1?ic###########################################################################################################################
http://re###.opera.com/speeddials/partner/ebay_us
http://re###.opera.com/speeddials/partner/amazon_us
http://bl#####st.rkn.gov.ru/
http://www.fa###ook.com/campaign/landing.php?ca#########################
http://re###.opera.com/speeddials/partner/facebook
http://re###.opera.com/www.opera.com/firstrun/
http://si#####ck2.opera.com/?ho###################################################
http://en.###ipedia.org/favicon.ico
http://www.bing.com/s/a/bing_p.ico
http://www.am##on.com/favicon.ico
http://se####.yahoo.com/favicon.ico
http://www.google.com/favicon.ico
http://www.op##a.com/follow?ut###############################################################################################
http://re###.opera.com/favicon.ico

Other

'au######te.geo.opera.com':443
'du###uckgo.com':443
'am##on.com':443
'se####.yahoo.com':443
'en.###ipedia.org':443
'bl#####st.rkn.gov.ru':443
'ro###.ebay.com':443
'eb##.com':443
'pa###.ebay.com':443
'sd#####es.operacdn.com':443
'ya##o.com':443
's.##mg.com':443
'bo##ing.com':443
'op##a.com':443
'do#####d3.operacdn.com':443

UDP

DNS ASK google.com
DNS ASK bo##ing.com
DNS ASK s.##mg.com
DNS ASK ya##o.com
DNS ASK tw##ter.com
DNS ASK sd#####es.operacdn.com
DNS ASK pa###.ebay.com
DNS ASK eb##.com
DNS ASK oc##.#ectigo.com
DNS ASK ro###.ebay.com
DNS ASK op##a.com
DNS ASK bl#####st.rkn.gov.ru
DNS ASK re###.opera.com
DNS ASK si#####ck2.opera.com
DNS ASK en.###ipedia.org
DNS ASK bi##.#ikimedia.org
DNS ASK bing.com
DNS ASK am##on.com
DNS ASK du###uckgo.com
DNS ASK se####.yahoo.com
DNS ASK au######te.geo.opera.com
DNS ASK fa###ook.com
DNS ASK do#####d3.operacdn.com

Miscellaneous

Searches for the following windows

ClassName: 'Opera_MessageWindow' WindowName: '%APPDATA%\Opera Software\Opera Stable'

Restarts the analyzed sample

Executes the following

'%ProgramFiles(x86)%\opera\launcher.exe' -noautoupdate -- "%HOMEPATH%\Desktop\INSTRUCTIONS-README.html"
'%ProgramFiles(x86)%\opera\29.0.1795.47\opera.exe' --type=utility --channel="680.21.1966954869\1202925780" --lang=en-US --enable-proprietary-media-types-playback --ignored=" --type=renderer " /prefetch:-645351001
'%ProgramFiles(x86)%\opera\29.0.1795.47\opera.exe' --type=utility --channel="680.20.53269736\590168545" --lang=en-US --enable-proprietary-media-types-playback --ignored=" --type=renderer " /prefetch:-645351001
'%ProgramFiles(x86)%\opera\29.0.1795.47\opera.exe' --type=utility --channel="680.19.764769250\1918206906" --lang=en-US --enable-proprietary-media-types-playback --ignored=" --type=renderer " /prefetch:-645351001
'%ProgramFiles(x86)%\opera\29.0.1795.47\opera.exe' --type=utility --channel="680.18.1333170004\1276777791" --lang=en-US --enable-proprietary-media-types-playback --ignored=" --type=renderer " /prefetch:-645351001
'%ProgramFiles(x86)%\opera\29.0.1795.47\opera.exe' --type=utility --channel="680.15.1065161061\1909218640" --lang=en-US --enable-proprietary-media-types-playback --ignored=" --type=renderer " /prefetch:-645351001
'%ProgramFiles(x86)%\opera\29.0.1795.47\opera.exe' --type=utility --channel="680.14.1624128770\1661725069" --lang=en-US --enable-proprietary-media-types-playback --ignored=" --type=renderer " /prefetch:-645351001
'%ProgramFiles(x86)%\opera\29.0.1795.47\opera.exe' --type=utility --channel="680.13.1490696547\1159452675" --lang=en-US --enable-proprietary-media-types-playback --ignored=" --type=renderer " /prefetch:-645351001
'%ProgramFiles(x86)%\opera\29.0.1795.47\opera.exe' --type=utility --channel="680.12.111420156\236937877" --lang=en-US --enable-proprietary-media-types-playback --ignored=" --type=renderer " /prefetch:-645351001
'%ProgramFiles(x86)%\opera\29.0.1795.47\opera.exe' --type=utility --channel="680.11.1306780189\1001796951" --lang=en-US --enable-proprietary-media-types-playback --ignored=" --type=renderer " /prefetch:-645351001
'%ProgramFiles(x86)%\opera\29.0.1795.47\opera.exe' --type=utility --channel="680.10.2025777562\1400874699" --lang=en-US --enable-proprietary-media-types-playback --ignored=" --type=renderer " /prefetch:-645351001
'%ProgramFiles(x86)%\opera\29.0.1795.47\opera.exe' --type=utility --channel="680.22.791483115\1385843027" --lang=en-US --enable-proprietary-media-types-playback --ignored=" --type=renderer " /prefetch:-645351001
'%ProgramFiles(x86)%\opera\29.0.1795.47\opera.exe' --type=utility --channel="680.9.1505992244\174282159" --lang=en-US --enable-proprietary-media-types-playback --ignored=" --type=renderer " /prefetch:-645351001
'%ProgramFiles(x86)%\opera\29.0.1795.47\opera.exe' --type=utility --channel="680.7.2144146889\2044479276" --lang=en-US --enable-proprietary-media-types-playback --ignored=" --type=renderer " /prefetch:-645351001
'%ProgramFiles(x86)%\opera\29.0.1795.47\opera_crashreporter.exe' --type=utility --channel="680.4.41522253\204291890" --lang=en-US --no-sandbox --enable-proprietary-media-types-playback /prefetch:-645351001 /crash-reporter-parent-id=1388
'%ProgramFiles(x86)%\opera\29.0.1795.47\opera.exe' --type=utility --channel="680.6.10806970\961811903" --lang=en-US --enable-proprietary-media-types-playback --ignored=" --type=renderer " /prefetch:-645351001
'%ProgramFiles(x86)%\opera\29.0.1795.47\opera.exe' --type=utility --channel="680.5.1215308312\1197873881" --lang=en-US --enable-proprietary-media-types-playback --ignored=" --type=renderer " /prefetch:-645351001
'%ProgramFiles(x86)%\opera\29.0.1795.47\opera.exe' --type=utility --channel="680.4.41522253\204291890" --lang=en-US --no-sandbox --enable-proprietary-media-types-playback /prefetch:-645351001
'%ProgramFiles(x86)%\opera\29.0.1795.47\opera.exe' --type=renderer --alt-high-dpi-setting=96 --disable-direct-npapi-requests --enable-deferred-image-decoding --lang=en-US --enable-proprietary-media-types-playback --extension-process --enable-we...
'%ProgramFiles(x86)%\opera\29.0.1795.47\opera.exe' --type=renderer --alt-high-dpi-setting=96 --disable-direct-npapi-requests --enable-deferred-image-decoding --lang=en-US --enable-proprietary-media-types-playback --disable-client-side-phishing-...
'%ProgramFiles(x86)%\opera\29.0.1795.47\opera.exe' --type=gpu-process --channel="680.0.679226323\717808840" --enable-proprietary-media-types-playback --supports-dual-gpus=false --gpu-driver-bug-workarounds=1,19,42 --gpu-vendor-id=0x0000 --gpu-d...
'%ProgramFiles(x86)%\opera\29.0.1795.47\opera_crashreporter.exe' -noautoupdate --ran-launcher -- "%HOMEPATH%\Desktop\INSTRUCTIONS-README.html" /crash-reporter-parent-id=680
'%ProgramFiles(x86)%\opera\29.0.1795.47\opera.exe' -noautoupdate --ran-launcher -- "%HOMEPATH%\Desktop\INSTRUCTIONS-README.html"
'%ProgramFiles(x86)%\opera\29.0.1795.47\opera.exe' --type=utility --channel="680.8.560549154\1255911581" --lang=en-US --enable-proprietary-media-types-playback --ignored=" --type=renderer " /prefetch:-645351001
'%ProgramFiles(x86)%\opera\29.0.1795.47\opera.exe' --type=utility --channel="680.23.1969257338\748044181" --lang=en-US --enable-proprietary-media-types-playback --ignored=" --type=renderer " /prefetch:-645351001

Technologies

Terminology

Training and education

Myths

Technical Information

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