Adware.Gexin.4432

Technical information

Malicious functions:

Executes code of the following detected threats:

Adware.Gexin.2.origin

Network activity:

Connecting to:

UDP(DNS) <Google DNS>
TCP(HTTP/1.1) wx.q####.cn:80
TCP(HTTP/1.1) et2-na6####.wagbr####.ali####.####.com:80
TCP(HTTP/1.1) c-h####.g####.com:80
TCP(HTTP/1.1) l####.cc:80
TCP(HTTP/1.1) a####.u####.com:80
TCP(HTTP/1.1) t####.c####.q####.####.com:80
TCP(HTTP/1.1) api.kais####.com:8080
TCP(HTTP/1.1) sdk.o####.p####.####.com:80
TCP(HTTP/1.1) 7x####.v2.com.####.com:80
TCP(HTTP/1.1) d####.c####.l####.####.com:80
TCP(TLS/1.0) w####.kais####.com:443
TCP(TLS/1.0) api.kais####.com:443
TCP sdk.o####.t####.####.com:5224
TCP c####.g####.ig####.com:5227

DNS requests:

7j####.c####.z0.####.com
a####.u####.com
api.kais####.com
c####.g####.ig####.com
c-h####.g####.com
im####.kais####.com
im####.kais####.com
l####.cc
log.u####.com
s####.u####.com
sdk.c####.ig####.com
sdk.o####.p####.####.com
sdk.o####.t####.####.com
sdk.o####.t####.####.com
sdk.o####.t####.####.net
w####.kais####.com
wx.q####.cn

HTTP GET requests:

7x####.v2.com.####.com/2018-11-05_5be0287c812fe.png?imageVi####
7x####.v2.com.####.com/2018-11-07_5be286e1ec740.jpg?imageVi####
api.kais####.com:8080/crowdfundingservice2/common/config?client=####&cli...
d####.c####.l####.####.com/4429846B79B9511EE050190AFD010A442018070206530...
d####.c####.l####.####.com/577E116C4463CE85E050190AFD0125222018102418454...
d####.c####.l####.####.com/6D6566552F3A1799E050190AFD0125812018090708580...
d####.c####.l####.####.com/72F61197686D18E4E050190AFD016B982018102917331...
d####.c####.l####.####.com/header2.png?imageVi####
d####.c####.l####.####.com/o_1cq0re3gb1vec16vl14qj1b0bm211j.jpg?imageVi#...
d####.c####.l####.####.com/o_1cq39kcb51q6eg5v1kuv1ckg95519.jpg?imageVi####
d####.c####.l####.####.com/o_1cqv51qc112u917u0tql1cuc1mi71e.jpg?imageVi#...
d####.c####.l####.####.com/o_1cqvkunmd11n62uo5v6etkril1j.jpg?imageVi####
d####.c####.l####.####.com/o_1crhjfmer1tij1pgudvo1dsam2719.jpg?imageVi####
d####.c####.l####.####.com/o_1crmklusf1icat0knu0htc187819.jpg?imageVi####
et2-na6####.wagbr####.ali####.####.com/bar/get/54fd367cfd98c532c00007f1/...
l####.cc/i/sdk/is_gal?sign=####&android_id=####&retry_times=####&linkedm...
t####.c####.q####.####.com/config/hz-hzv3.conf
t####.c####.q####.####.com/tdata_Soq141
t####.c####.q####.####.com/tdata_vxj811
wx.q####.cn/mmopen/gD0nBwX0fPWjiaQkcJsibhWfmEYUHhqc0lnFuYOibzgPQf0sHmTdH...

HTTP POST requests:

a####.u####.com/app_logs
c-h####.g####.com/api.php?format=####&t=####
l####.cc/i/sdk/install
sdk.o####.p####.####.com/api.php?format=####&t=####

Modified file system:

Creates the following files:

/data/data/####/-302912903852503514
/data/data/####/.imprint
/data/data/####/.jg.ic
/data/data/####/1541597434153.log
/data/data/####/27o_eCQEq5KVMuoHvMq-oqZVNsg.-491276999.tmp
/data/data/####/28msTZ4VXK0d_1T0FN4QGOsCOMw.-1720214465.tmp
/data/data/####/3Yn9KO1aUOEvQBB1SGi6Db67Mc4.915892341.tmp
/data/data/####/98yq0TAkpG_lz-iERjCeRhHsheA.392990393.tmp
/data/data/####/JPCziuds-YyzCyo2diYy7ZLwUh8.2118023491.tmp
/data/data/####/LKME_Server_Request_Queue.xml
/data/data/####/OJ3uirGrX5v_wVS0Vz72dSFvQYs.1016290311.tmp
/data/data/####/SessionData.xml
/data/data/####/U8D_WnO3657q8CJF0PH9wQRo6yI.-828343492.tmp
/data/data/####/USkxf_oHpUuZ8kM39Nop7wiSSes.-281333908.tmp
/data/data/####/Zx3W8k-cjzMhU6IrE481Yjjzi_I.810652709.tmp
/data/data/####/cOpJPqGv-SB1KP5XWkqLZ8c9hlg.677758640.tmp
/data/data/####/cc.db
/data/data/####/cc.db-journal
/data/data/####/device_id.xml.xml
/data/data/####/exchangeIdentity.json
/data/data/####/exid.dat
/data/data/####/gdaemon_20161017
/data/data/####/getui_sp.xml
/data/data/####/gx_sp.xml
/data/data/####/init.pid
/data/data/####/init_c1.pid
/data/data/####/kPRDs4IRYX6aVK478rk1QFpcI3o.950782981.tmp
/data/data/####/libjiagu.so
/data/data/####/linkedme_referral_shared_pref.xml
/data/data/####/multidex.version.xml
/data/data/####/push.pid
/data/data/####/pushext.db-journal
/data/data/####/pushg.db-journal
/data/data/####/pushsdk.db-journal
/data/data/####/qj-pJFs5-TivXDZ9IZ7R_jCZ0ko.-1715517723.tmp
/data/data/####/run.pid
/data/data/####/tdata_Soq141
/data/data/####/tdata_Soq141.jar
/data/data/####/tdata_vxj811
/data/data/####/tdata_vxj811.jar
/data/data/####/ua.db
/data/data/####/ua.db-journal
/data/data/####/umeng_general_config.xml
/data/data/####/umeng_it.cache
/data/data/####/umeng_socialize.xml
/data/data/####/zdRAjOy0gvpKV8JoRD-YhHSD4os.-456756438.tmp
/data/data/####/ziVLLzMhS3VH_hKd2ogdvkU52kQ.-1579630374.tmp
/data/media/####/.lm_device_id
/data/media/####/0553284c4bcf007dfcd2522331d4f844.0.tmp
/data/media/####/0553284c4bcf007dfcd2522331d4f844.1.tmp
/data/media/####/18295918666c457f97482e5f467ae904.0.tmp
/data/media/####/18295918666c457f97482e5f467ae904.1.tmp
/data/media/####/2150033844a926fd85160456fdb84c0c.0.tmp
/data/media/####/2150033844a926fd85160456fdb84c0c.1.tmp
/data/media/####/21aa5785f50e0b14778fd1bbf4a64c0f.0.tmp
/data/media/####/21aa5785f50e0b14778fd1bbf4a64c0f.1.tmp
/data/media/####/2242c6c36402fc6c60ddd2e8372a0ea0.0.tmp
/data/media/####/2242c6c36402fc6c60ddd2e8372a0ea0.1.tmp
/data/media/####/32aaa4c29a30989ff98ecea19c774a0a.0.tmp
/data/media/####/32aaa4c29a30989ff98ecea19c774a0a.1.tmp
/data/media/####/397092e4d800d7227b289ade19db6b4d.0.tmp
/data/media/####/397092e4d800d7227b289ade19db6b4d.1.tmp
/data/media/####/41332bfd9286ac3ef166b0bee73345d7.0.tmp
/data/media/####/41332bfd9286ac3ef166b0bee73345d7.1.tmp
/data/media/####/4bf77d561d7bd502da41c3fe1e5ed4a6.0.tmp
/data/media/####/4bf77d561d7bd502da41c3fe1e5ed4a6.1.tmp
/data/media/####/4cab4483efd3d6838cff0f88c74360ae.0.tmp
/data/media/####/4cab4483efd3d6838cff0f88c74360ae.1.tmp
/data/media/####/5d5e5c5336c65ba94196298e347cc8a3.0.tmp
/data/media/####/5d5e5c5336c65ba94196298e347cc8a3.1.tmp
/data/media/####/60bfe490fb03fd2cfee4c0aa03723842.0.tmp
/data/media/####/60bfe490fb03fd2cfee4c0aa03723842.1.tmp
/data/media/####/6ab2237580715a1443a81c7b76c81a67.0.tmp
/data/media/####/6ab2237580715a1443a81c7b76c81a67.1.tmp
/data/media/####/6cd0a470af3ac9a9d0ac85ace582e380.0.tmp
/data/media/####/6cd0a470af3ac9a9d0ac85ace582e380.1.tmp
/data/media/####/8a205fc340fbcd5418e3cd047afa90ff.0.tmp
/data/media/####/8a205fc340fbcd5418e3cd047afa90ff.1.tmp
/data/media/####/902464590a6521a9d6a834e9795599f5.0.tmp
/data/media/####/902464590a6521a9d6a834e9795599f5.1.tmp
/data/media/####/932a643fd963879a230527565eabcd71.0.tmp
/data/media/####/932a643fd963879a230527565eabcd71.1.tmp
/data/media/####/93673265c297e879d0f8229aec8a0b10.0.tmp
/data/media/####/93673265c297e879d0f8229aec8a0b10.1.tmp
/data/media/####/ae34bfe5ff9bc111df10e5f1d4ecbb08.0.tmp
/data/media/####/ae34bfe5ff9bc111df10e5f1d4ecbb08.1.tmp
/data/media/####/app.db
/data/media/####/b12473278c73186f9422b765b214a131.0.tmp
/data/media/####/b12473278c73186f9422b765b214a131.1.tmp
/data/media/####/bc19730592320e4e23668c65855e4cbc.0.tmp
/data/media/####/bc19730592320e4e23668c65855e4cbc.1.tmp
/data/media/####/c349e09f188910a0eecec446530a11a1.0.tmp
/data/media/####/c349e09f188910a0eecec446530a11a1.1.tmp
/data/media/####/c440601a25fea4fb7a3d7d47cd220951.0.tmp
/data/media/####/c440601a25fea4fb7a3d7d47cd220951.1.tmp
/data/media/####/c5fcc63ef752510f4266a4b9420ae325.0.tmp
/data/media/####/c5fcc63ef752510f4266a4b9420ae325.1.tmp
/data/media/####/com.getui.sdk.deviceId.db
/data/media/####/com.igexin.sdk.deviceId.db
/data/media/####/com.kaistart.android.bin
/data/media/####/com.kaistart.android.db
/data/media/####/d24d8ece257fdfe51e3e477c9cdc08fc.0.tmp
/data/media/####/d24d8ece257fdfe51e3e477c9cdc08fc.1.tmp
/data/media/####/d430fcdd5ba21a6035e371c77f837ba8.0.tmp
/data/media/####/d430fcdd5ba21a6035e371c77f837ba8.1.tmp
/data/media/####/da53845d8cfeacfb72e59b2adbb30acc.0.tmp
/data/media/####/da53845d8cfeacfb72e59b2adbb30acc.1.tmp
/data/media/####/dcfe6e53c3005c926ab49fb3ea740c10.0.tmp
/data/media/####/dcfe6e53c3005c926ab49fb3ea740c10.1.tmp
/data/media/####/f818bba279611f983565fdb835419cb1.0.tmp
/data/media/####/f818bba279611f983565fdb835419cb1.1.tmp
/data/media/####/journal
/data/media/####/journal.tmp
/data/media/####/tdata_Soq141
/data/media/####/tdata_vxj811
/data/media/####/test.log

Miscellaneous:

Executes next shell scripts:

<Package Folder>/files/gdaemon_20161017 0 <Package>/<Package>.getui.GetUIPushService 25015 300 0
cat /sys/class/net/wlan0/address
chmod 700 <Package Folder>/files/gdaemon_20161017
chmod 755 <Package Folder>/.jiagu/libjiagu.so
sh <Package Folder>/files/gdaemon_20161017 0 <Package>/<Package>.getui.GetUIPushService 25015 300 0

Loads the following dynamic libraries:

getuiext2
hyphenate
imagepipeline
libjiagu
weexjsc

Uses the following algorithms to encrypt data:

AES-CBC-NoPadding
AES-CBC-PKCS7Padding
RSA-NONE-OAEPWithSHA1AndMGF1Padding

Uses the following algorithms to decrypt data:

AES-CBC-NoPadding
AES-CBC-PKCS7Padding

Uses special library to hide executable bytecode.

Gains access to network information.

Gains access to telephone information (number, IMEI, etc.).

Gains access to information about installed applications.

Adds tasks to the system scheduler.

Displays its own windows over windows of other applications.

Technologies

Terminology

Training and education

Myths

Technical information

Curing recommendations

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