Adware.Gexin.22302

Technical information

Malicious functions:

Executes code of the following detected threats:

Adware.Gexin.2.origin

Network activity:

Connects to:

UDP(DNS) 8####.8.4.4:53
TCP(HTTP/1.1) cdn-sdk####.g####.com.####.com:80
TCP(HTTP/1.1) 2####.107.1.65:80
TCP(HTTP/1.1) www.g####.com:80
TCP(HTTP/1.1) c-h####.g####.com:80
TCP(HTTP/1.1) adash####.man.aliy####.com:80
TCP(HTTP/1.1) 2####.107.1.1:80
TCP(HTTP/1.1) sdk.o####.p####.####.com:80
TCP(HTTP/1.1) d####.c####.l####.####.com:80
TCP(TLS/1.0) instant####.google####.com:443
TCP(TLS/1.0) 2####.58.209.10:443
TCP(TLS/1.0) 2####.107.1.97:443
TCP(TLS/1.0) and####.google####.com:443
TCP(TLS/1.0) 2####.58.209.14:443
TCP(TLS/1.2) 2####.58.209.10:443
TCP(TLS/1.2) 1####.217.16.3:443
TCP(TLS/1.2) 1####.250.203.206:443
TCP cm-1####.g####.com:5226
TCP sdk.o####.t####.####.com:5224

DNS requests:

a####.man.aliy####.com
and####.google####.com
c-h####.g####.com
cdn-sdk####.g####.com
cm-1####.g####.com
instant####.google####.com
safebro####.google####.com
sdk-ope####.g####.com
sdk.c####.g####.com
sdk.o####.p####.####.com
sdk.o####.t####.####.com
sdk.o####.t####.####.com
sdk.o####.t####.####.com
sdk.o####.t####.####.net
www.5####.cn
www.5####.cn.####.8
www.g####.com

HTTP GET requests:

cdn-sdk####.g####.com.####.com/tdata_CoH340
cdn-sdk####.g####.com.####.com/tdata_GKM601
cdn-sdk####.g####.com.####.com/tdata_jFf739
cdn-sdk####.g####.com.####.com/tdata_pKX830
d####.c####.l####.####.com/config/hzv9.conf
sdk.o####.p####.####.com/api/addr.htm
www.g####.com/api/v1/app/config.json?platform=####&appName=####&sid=####...
www.g####.com/api/v1/app/getAdInfos.json?platform=####&appName=####&sid=...
www.g####.com/live/sensitive_word.json

HTTP POST requests:

adash####.man.aliy####.com/man/api?ak=####&s=####
c-h####.g####.com/api.php?format=####&t=####
sdk.o####.p####.####.com/api.php?format=####&t=####

File system changes:

Creates the following files:

/data/data/####/.jg.ic
/data/data/####/.jgck
/data/data/####/21b7cb4e0435f80a532c6091583c2f88.0.tmp
/data/data/####/2c3c4e91ee92ee945a285e5e43f4e5f2.0
/data/data/####/2c3c4e91ee92ee945a285e5e43f4e5f2.1
/data/data/####/3272a3a48a6e85482a8230c4243c2e01.0.tmp
/data/data/####/3272a3a48a6e85482a8230c4243c2e01.1.tmp
/data/data/####/33bbb77b5c1210a0c47d6555feaf50fc.0.tmp
/data/data/####/33bbb77b5c1210a0c47d6555feaf50fc.1.tmp
/data/data/####/36499e1939726efa8662db06cf651788.0.tmp
/data/data/####/36499e1939726efa8662db06cf651788.1.tmp
/data/data/####/428163e693db262d44746039f6efa712.0.tmp
/data/data/####/428163e693db262d44746039f6efa712.1.tmp
/data/data/####/5423a1e4dd16ca9a57f745490ffbccee.0.tmp
/data/data/####/5423a1e4dd16ca9a57f745490ffbccee.1.tmp
/data/data/####/6944b84e78dca04ebcc2addc0ec93f22.0.tmp
/data/data/####/6944b84e78dca04ebcc2addc0ec93f22.1.tmp
/data/data/####/708f522456fd75eb8191fe1ebea76b8a.0.tmp
/data/data/####/708f522456fd75eb8191fe1ebea76b8a.1
/data/data/####/9fd41c109f5819595ad9a25ff5580d9c.0.tmp
/data/data/####/9fd41c109f5819595ad9a25ff5580d9c.1.tmp
/data/data/####/Alvin2.xml
/data/data/####/ContextData.xml
/data/data/####/DPAPI.xml
/data/data/####/QALConfigStore.dat
/data/data/####/WLOGIN_DEVICE_INFO.xml
/data/data/####/awkward.db-journal
/data/data/####/classes.dex
/data/data/####/classes.dex;classes2.dex
/data/data/####/classes.dex;classes3.dex
/data/data/####/classes.oat
/data/data/####/d9f401d4b5cda1459e2f158d2afe58b3.0.tmp
/data/data/####/d9f401d4b5cda1459e2f158d2afe58b3.1.tmp
/data/data/####/getui_sp.xml
/data/data/####/gkt-journal
/data/data/####/httpdns_config_cache.xml
/data/data/####/init.pid
/data/data/####/init_c1.pid
/data/data/####/journal
/data/data/####/libjiagu.so
/data/data/####/proc_auxv
/data/data/####/push.pid
/data/data/####/pushext.db-journal
/data/data/####/pushg.db-journal
/data/data/####/pushk.db-journal
/data/data/####/pushsdk.db-journal
/data/data/####/qalimid_v2
/data/data/####/qihoo_jiagu_crash_report.xml
/data/data/####/run.pid
/data/data/####/tdata_CoH340
/data/data/####/tdata_CoH340.dex
/data/data/####/tdata_CoH340.dex.flock (deleted)
/data/data/####/tdata_CoH340.jar
/data/data/####/tdata_GKM601
/data/data/####/tdata_GKM601.dex
/data/data/####/tdata_GKM601.dex.flock (deleted)
/data/data/####/tdata_GKM601.jar
/data/data/####/tdata_jFf739
/data/data/####/tdata_jFf739.dex
/data/data/####/tdata_jFf739.dex.flock (deleted)
/data/data/####/tdata_jFf739.jar
/data/data/####/tdata_pKX830
/data/data/####/tdata_pKX830.dex
/data/data/####/tdata_pKX830.dex.flock (deleted)
/data/data/####/tdata_pKX830.jar
/data/data/####/tmpd8.db-journal
/data/data/####/waqu_prefs.xml
/data/data/####/wlogin_device.dat
/data/media/####/Alvin2.xml
/data/media/####/ContextData.xml
/data/media/####/app.db
/data/media/####/com.getui.sdk.deviceId.db
/data/media/####/com.igexin.sdk.deviceId.db
/data/media/####/com.jx.android.elephant.bin
/data/media/####/com.jx.android.elephant.db
/data/media/####/com.tencent.mobileqq_connectSdk.22.01.09.23.log
/data/media/####/gkt
/data/media/####/gkt-journal
/data/media/####/gktper (deleted)
/data/media/####/sdk.22.01.09.23.log
/data/media/####/tdata_CoH340
/data/media/####/tdata_GKM601
/data/media/####/tdata_jFf739
/data/media/####/tdata_pKX830
/data/media/####/test.log
/data/media/####/waqu_temp (deleted)
/data/misc/####/primary.prof

Miscellaneous:

Executes the following shell scripts:

/system/bin/cat /proc/cpuinfo

Uses the following algorithms to encrypt data:

AES-CBC-PKCS5Padding
AES-ECB-PKCS5Padding
DES-CBC-PKCS5Padding
RSA-NONE-OAEPWithSHA1AndMGF1Padding

Uses the following algorithms to decrypt data:

AES-ECB-PKCS5Padding

Accesses the ITelephony private interface.

Uses special library to hide executable bytecode.

Gets information about location.

Gets information about phone status (number, IMEI, etc.).

Gets information about installed apps.

Displays its own windows over windows of other apps.

Requests the system alert window permission.

Technologies

Terminology

Training and education

Myths

Technical information

Curing recommendations

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