Technical Information
To ensure autorun and distribution
Modifies the following registry keys
- [HKCU\Software\Microsoft\Windows\CurrentVersion\Run] 'Services' = '%APPDATA%\2E185B0A08EE3663812181\System.exe'
- [HKCU\Software\Microsoft\Windows\CurrentVersion\Run] 'tmp6CA7FDC8.exe' = '%HOMEPATH%\Documents\tmp6CA7FDC8.exe'
Malicious functions
Injects code into
the following system processes:
- %WINDIR%\explorer.exe
- %WINDIR%\syswow64\credentialuibroker.exe
the following user processes:
- tmp65fb1389.exe
Modifies file system
Creates the following files
- %TEMP%\tmpac3cd978.exe
- %TEMP%\tmp65fb1389.exe
- %APPDATA%\2e185b0a08ee3663812181\system.exe
- %TEMP%\tmp6ca7fdc8.exe
- %TEMP%\tmp135cfdfe.exe
- %LOCALAPPDATA%\microsoft\edge\user data\browsermetrics\browsermetrics-68b750d5-540.pma
- %LOCALAPPDATA%\microsoft\edge\user data\browsermetrics\browsermetrics-68b750db-3c.pma
- %LOCALAPPDATA%\microsoft\edge\user data\default\manifest-000001
- %LOCALAPPDATA%\microsoft\edge\user data\default\000001.dbtmp
- %LOCALAPPDATA%\microsoft\edge\user data\default\manifest-000002
- %LOCALAPPDATA%\microsoft\edge\user data\default\000002.dbtmp
- %LOCALAPPDATA%\microsoft\edge\user data\default\log
- %LOCALAPPDATA%\microsoft\edge\user data\default\gpucache\index
- %LOCALAPPDATA%\microsoft\edge\user data\default\gpucache\data_0
- %LOCALAPPDATA%\microsoft\edge\user data\default\gpucache\data_2
- %LOCALAPPDATA%\microsoft\edge\user data\default\gpucache\data_3
- %LOCALAPPDATA%\microsoft\edge\user data\default\cookies-journal
- %LOCALAPPDATA%\microsoft\edge\user data\default\cookies
- %LOCALAPPDATA%\microsoft\edge\user data\default\shared_proto_db\metadata\manifest-000001
- %LOCALAPPDATA%\microsoft\edge\user data\default\shared_proto_db\metadata\000001.dbtmp
- %LOCALAPPDATA%\microsoft\edge\user data\default\shared_proto_db\metadata\log
- %LOCALAPPDATA%\microsoft\edge\user data\default\shared_proto_db\metadata\000003.log
- %LOCALAPPDATA%\microsoft\edge\user data\default\session storage\manifest-000001
- %LOCALAPPDATA%\microsoft\edge\user data\default\session storage\000001.dbtmp
- %LOCALAPPDATA%\microsoft\edge\user data\default\session storage\log
- %LOCALAPPDATA%\microsoft\edge\user data\default\session storage\000003.log
- %LOCALAPPDATA%\microsoft\edge\user data\default\cache\index
- %LOCALAPPDATA%\microsoft\edge\user data\default\cache\data_0
- %LOCALAPPDATA%\microsoft\edge\user data\default\cache\data_2
- %LOCALAPPDATA%\microsoft\edge\user data\default\cache\data_3
- %LOCALAPPDATA%\microsoft\edge\user data\default\reporting and nel-journal
- %LOCALAPPDATA%\microsoft\edge\user data\default\reporting and nel
- %LOCALAPPDATA%\microsoft\edge\user data\default\heavy_ad_intervention_opt_out.db-journal
- %LOCALAPPDATA%\microsoft\edge\user data\default\data_reduction_proxy_leveldb\manifest-000001
- %LOCALAPPDATA%\microsoft\edge\user data\default\data_reduction_proxy_leveldb\000001.dbtmp
- %LOCALAPPDATA%\microsoft\edge\user data\default\heavy_ad_intervention_opt_out.db
- %LOCALAPPDATA%\microsoft\edge\user data\default\data_reduction_proxy_leveldb\manifest-000002
- %LOCALAPPDATA%\microsoft\edge\user data\default\data_reduction_proxy_leveldb\000002.dbtmp
- %LOCALAPPDATA%\microsoft\edge\user data\default\data_reduction_proxy_leveldb\log
- %LOCALAPPDATA%\microsoft\edge\user data\default\previews_opt_out.db-journal
- %LOCALAPPDATA%\microsoft\edge\user data\default\previews_opt_out.db
- %LOCALAPPDATA%\microsoft\edge\user data\default\shortcuts-journal
- %LOCALAPPDATA%\microsoft\edge\user data\default\shortcuts
- %LOCALAPPDATA%\microsoft\edge\user data\default\network action predictor-journal
- %LOCALAPPDATA%\microsoft\edge\user data\default\network action predictor
- %LOCALAPPDATA%\microsoft\edge\user data\last browser
- %LOCALAPPDATA%\microsoft\edge\user data\default\preferredapps
- %LOCALAPPDATA%\microsoft\edge\user data\default\budgetdatabase\manifest-000001
- %LOCALAPPDATA%\microsoft\edge\user data\default\budgetdatabase\000001.dbtmp
- %LOCALAPPDATA%\microsoft\edge\user data\default\budgetdatabase\log
- %LOCALAPPDATA%\microsoft\edge\user data\default\feature engagement tracker\eventdb\manifest-000001
- %LOCALAPPDATA%\microsoft\edge\user data\default\feature engagement tracker\eventdb\000001.dbtmp
- %LOCALAPPDATA%\microsoft\edge\user data\default\feature engagement tracker\eventdb\log
- %LOCALAPPDATA%\microsoft\edge\user data\default\feature engagement tracker\availabilitydb\manifest-000001
- %LOCALAPPDATA%\microsoft\edge\user data\default\feature engagement tracker\availabilitydb\000001.dbtmp
- %LOCALAPPDATA%\microsoft\edge\user data\default\feature engagement tracker\availabilitydb\log
- %LOCALAPPDATA%\microsoft\edge\user data\default\autofillstrikedatabase\manifest-000001
- %LOCALAPPDATA%\microsoft\edge\user data\default\autofillstrikedatabase\000001.dbtmp
- %LOCALAPPDATA%\microsoft\edge\user data\default\autofillstrikedatabase\log
- %HOMEPATH%\documents\tmp6ca7fdc8.exe
- %LOCALAPPDATA%\microsoft\edge\user data\default\feature engagement tracker\availabilitydb\000003.log
- %LOCALAPPDATA%\microsoft\edge\user data\functional data-wal
- %LOCALAPPDATA%\microsoft\edge\user data\functional san data-wal
- %TEMP%\edge_bits_60_380261727\bit21d2.tmp
- %TEMP%\60_337114193\manifest.json
- %TEMP%\60_337114193\recovery-component-inner.crx
- %TEMP%\60_337114193\manifest.fingerprint
Sets the 'hidden' attribute to the following files
- %APPDATA%\2e185b0a08ee3663812181\system.exe
- %TEMP%\edge_bits_60_380261727\bit21d2.tmp
Moves the following files
- from %LOCALAPPDATA%\microsoft\edge\user data\default\000001.dbtmp to %LOCALAPPDATA%\microsoft\edge\user data\default\current
- from %LOCALAPPDATA%\microsoft\edge\user data\default\shared_proto_db\metadata\000001.dbtmp to %LOCALAPPDATA%\microsoft\edge\user data\default\shared_proto_db\metadata\current
- from %LOCALAPPDATA%\microsoft\edge\user data\default\session storage\000001.dbtmp to %LOCALAPPDATA%\microsoft\edge\user data\default\session storage\current
- from %LOCALAPPDATA%\microsoft\edge\user data\default\data_reduction_proxy_leveldb\000001.dbtmp to %LOCALAPPDATA%\microsoft\edge\user data\default\data_reduction_proxy_leveldb\current
- from %LOCALAPPDATA%\microsoft\edge\user data\default\budgetdatabase\000001.dbtmp to %LOCALAPPDATA%\microsoft\edge\user data\default\budgetdatabase\current
- from %LOCALAPPDATA%\microsoft\edge\user data\default\feature engagement tracker\eventdb\000001.dbtmp to %LOCALAPPDATA%\microsoft\edge\user data\default\feature engagement tracker\eventdb\current
- from %LOCALAPPDATA%\microsoft\edge\user data\default\feature engagement tracker\availabilitydb\000001.dbtmp to %LOCALAPPDATA%\microsoft\edge\user data\default\feature engagement tracker\availabilitydb\current
- from %LOCALAPPDATA%\microsoft\edge\user data\default\autofillstrikedatabase\000001.dbtmp to %LOCALAPPDATA%\microsoft\edge\user data\default\autofillstrikedatabase\current
- from %TEMP%\edge_bits_60_380261727\bit21d2.tmp to %TEMP%\edge_bits_60_380261727\0c17d4e3-9d9d-44b6-9280-2b041bbaf3d9
Modifies the following files
- %LOCALAPPDATA%\microsoft\edge\user data\last version
- %LOCALAPPDATA%\microsoft\edge\user data\default\sync data\leveldb\log
- %LOCALAPPDATA%\microsoft\edge\user data\default\site characteristics database\log
- %LOCALAPPDATA%\microsoft\edge\user data\default\sync data\leveldb\000003.log
- %LOCALAPPDATA%\microsoft\edge\user data\default\web data-journal
- %LOCALAPPDATA%\microsoft\edge\user data\default\web data
- %LOCALAPPDATA%\microsoft\tokenbroker\cache\9cd93bc6dcf544bae69531052e64647ec02f2bb4.tbres
- %LOCALAPPDATA%\microsoft\edge\user data\default\history-journal
- %TEMP%\.ses
Substitutes the following files
- %LOCALAPPDATA%\Microsoft\Edge\User Data\Default\Local Storage\leveldb\LOG
- %LOCALAPPDATA%\Microsoft\Edge\User Data\Default\Platform Notifications\LOG
Network activity
Connects to
- '17#.16.53.7':80
- '17#.#6.152.46':80
- 'yo##ube.com':443
- 'co####.edge.skype.com':443
- '17#.#6.152.47':80
- '77.##.153.62':80
- 'localhost':5985
TCP
HTTP GET requests
- http://17#.16.53.7/bcl.pfx
HTTP POST requests
- http://17#.#6.152.46/281ef81f2444fb93.php
- http://17#.#6.152.47/cvdfnaFJBmC2/index.php
- http://77.##.153.62/cvdfnaFJBmC0/index.php
- http://17#.16.53.7/cvdfnaFJBmC1/index.php
Other
- 'yo##ube.com':443
- 'co####.edge.skype.com':443
UDP
- DNS ASK yo##ube.com
- DNS ASK co####.edge.skype.com
Miscellaneous
Searches for the following windows
- ClassName: 'Chrome_MessageWindow' WindowName: '%LOCALAPPDATA%\Microsoft\Edge\User Data'
Creates and executes the following
- '%TEMP%\tmpac3cd978.exe'
- '%TEMP%\tmp65fb1389.exe'
- '%TEMP%\tmp6ca7fdc8.exe'
- '%TEMP%\tmp135cfdfe.exe'
Executes the following
- '%ProgramFiles(x86)%\microsoft\edge\application\msedge.exe' --single-argument https://www.youtube.com/c/TeamDemonYouTube?sub_confirmation=1
- '%ProgramFiles(x86)%\microsoft\edge\application\msedge.exe' --flag-switches-begin --flag-switches-end --do-not-de-elevate https://www.youtube.com/c/TeamDemonYouTube?sub_confirmation=1
- '%WINDIR%\syswow64\credentialuibroker.exe'
- '%ProgramFiles(x86)%\microsoft\edge\application\89.0.774.68\identity_helper.exe' --type=utility --utility-sub-type=winrt_app_id.mojom.WinrtAppIdService --field-trial-handle=1772,2758566254599282098,584081168788081646,131072 --lang=en-US --service-sandbox-type=none --mojo-pl...
- '<SYSTEM32>\cmd.exe' reg add "HKCU\Software\Microsoft\Windows\CurrentVersion\Run" /v "tmp6CA7FDC8.exe" /t REG_SZ /d "%HOMEPATH%\Documents\tmp6CA7FDC8.exe" /f
- '<SYSTEM32>\reg.exe' add "HKCU\Software\Microsoft\Windows\CurrentVersion\Run" /v "tmp6CA7FDC8.exe" /t REG_SZ /d "%HOMEPATH%\Documents\tmp6CA7FDC8.exe" /f
- '%TEMP%\tmpac3cd978.exe' ' (with hidden window)
- '%TEMP%\tmp65fb1389.exe' ' (with hidden window)
- '%TEMP%\tmp6ca7fdc8.exe' ' (with hidden window)
- '%TEMP%\tmp135cfdfe.exe' ' (with hidden window)
- '%ProgramFiles(x86)%\microsoft\edge\application\msedge.exe' --flag-switches-begin --flag-switches-end --do-not-de-elevate https://www.youtube.com/c/TeamDemonYouTube?sub_confirmation=1' (with hidden window)
