Adware.Gexin.9776

Technical information

Malicious functions:

Executes code of the following detected threats:

Adware.Gexin.2.origin

Accesses the ITelephony private interface.

Network activity:

Connects to:

UDP(DNS) <Google DNS>
TCP(HTTP/1.1) sc.yunjigl####.com:80
TCP(HTTP/1.1) gl####.w.kunl####.####.com:80
TCP(HTTP/1.1) ti####.c####.l####.####.com:80
TCP(HTTP/1.1) pi####.qq.com:80
TCP(HTTP/1.1) t####.c####.q####.####.com:80
TCP(HTTP/1.1) and####.b####.qq.com:80
TCP(HTTP/1.1) pin####.qq.com:80
TCP(HTTP/1.1) sdk.o####.p####.####.com:80
TCP(HTTP/1.1) 2####.107.1.1:80
TCP(HTTP/1.1) c-h####.g####.com:80
TCP(HTTP/1.1) vi####.yunjigl####.com:80
TCP(HTTP/1.1) d####.yunjiwe####.com:80
TCP(HTTP/1.1) qin####.com.www.####.com:80
TCP(HTTP/1.1) sh.wagbr####.aliyun####.com:80
TCP(TLS/1.0) 1####.217.17.142:443
TCP(TLS/1.0) m.yunjigl####.com:443
TCP(TLS/1.0) sc.yunjigl####.com:443
TCP(TLS/1.0) vi####.yunjigl####.com:443
TCP(TLS/1.0) 2####.107.1.97:443
TCP(TLS/1.0) gl####.w.kunl####.####.com:443
TCP c####.g####.ig####.com:5227
TCP sdk.o####.t####.####.com:5224

DNS requests:

7j####.c####.z0.####.com
a####.man.aliy####.com
and####.b####.qq.com
c####.g####.ig####.com
c-h####.g####.com
d####.yunjiwe####.com
i####.yunjiwe####.com
m.yunjigl####.com
pi####.qq.com
pin####.qq.com
pub-####.qin####.com
sc.yunjigl####.com
sdk.c####.ig####.com
sdk.o####.p####.####.com
sdk.o####.t####.####.com
sdk.o####.t####.####.com
sdk.o####.t####.####.net
st####.yunjiwe####.com
vi####.yunjigl####.com

HTTP GET requests:

gl####.w.kunl####.####.com/13d93306982edc5e2351a56fd84ec921.jpg?imageMo#...
gl####.w.kunl####.####.com/39e2605a36e633d7961c6a9c8e57504d.jpg?imageMo#...
gl####.w.kunl####.####.com/45b3dc6f1cef54112820fd2e33cd225c.jpg?imageMo#...
gl####.w.kunl####.####.com/60bf3fbbca3f0448c98d13086e1f1422.jpg?imageMo#...
gl####.w.kunl####.####.com/690bd36ec35565f2131657d6cb5b402b.jpg?imageMo#...
gl####.w.kunl####.####.com/admin_idc/c15af8e2c955f2664f136ab89e8d558e.pn...
gl####.w.kunl####.####.com/bdfb4a36cbbf2932f560b3722ebebaad.jpg?imageMo#...
gl####.w.kunl####.####.com/rn_android/1/config.json?t=####
qin####.com.www.####.com/tdata_EDT369
t####.c####.q####.####.com/tdata_Cta775
t####.c####.q####.####.com/tdata_YYn966
t####.c####.q####.####.com/tdata_lOE499
t####.c####.q####.####.com/tdata_nmo636
ti####.c####.l####.####.com/config/hz-hzv3.conf
vi####.yunjigl####.com/yunjiapp4buyer/app4buyer/buyervip/startPage.json?...
vi####.yunjigl####.com/yunjiapp4buyer/app4buyer/global/queryByUrlPath.js...

HTTP POST requests:

and####.b####.qq.com/rqd/async
and####.b####.qq.com/rqd/async?aid=####
c-h####.g####.com/api.php?format=####&t=####
d####.yunjiwe####.com/yunjidata/data/reportByJsonString.json
pi####.qq.com/mstat/report/?index=####
pin####.qq.com/request
sc.yunjigl####.com/yunjidata/data/reportByJsonString.json
sdk.o####.p####.####.com/api.php?format=####&t=####
sdk.o####.p####.####.com/api.php?format=####&t=####&d=####&k=####
sh.wagbr####.aliyun####.com/man/api?ak=####&s=####

File system changes:

Creates the following files:

/data/data/####/-1037359673
/data/data/####/-1674496260
/data/data/####/1002
/data/data/####/1004
/data/data/####/576399710
/data/data/####/7027bbe6d84e
/data/data/####/761511270
/data/data/####/798081204
/data/data/####/8isEuxs138gIYxjK0etmaGj01n0.89146403.tmp
/data/data/####/Alvin2.xml
/data/data/####/BUGLY_COMMON_VALUES.xml
/data/data/####/CQnTSMKutstWJMzRyTiyxoCnabk.-279937710.tmp
/data/data/####/ContextData.xml
/data/data/####/HPjhHWFUxZ_U0XuJu99o_7t5vnM.1121011542.tmp
/data/data/####/Ky939kYqhSKXCt6a3noGqMZGwSE.-1585105551.tmp
/data/data/####/bugly_db_-journal
/data/data/####/bugly_db_legu-journal
/data/data/####/com.yunjibuyer.yunji.BETA_VALUES.xml
/data/data/####/com.yunjibuyer.yunji.BETA_VALUES.xml.bak
/data/data/####/com.yunjibuyer.yunji.mid.world.ro.xml
/data/data/####/com.yunjibuyer.yunji_preferences.xml
/data/data/####/crashrecord.xml
/data/data/####/data_0
/data/data/####/data_1
/data/data/####/data_2
/data/data/####/data_3
/data/data/####/f_000001
/data/data/####/gdaemon_20161017
/data/data/####/getui_sp.xml
/data/data/####/gkt-journal
/data/data/####/gx_sp.xml
/data/data/####/httpdns_config_cache.xml
/data/data/####/index
/data/data/####/index.android.bundle
/data/data/####/index.android.bundle.meta
/data/data/####/init.pid
/data/data/####/init_c1.pid
/data/data/####/jB11C3xEgRbFkbALZcE0TxSCPso.1422105219.tmp
/data/data/####/kvib_7jQzrGXMtX1kR65wyllVBg.1270353764.tmp
/data/data/####/libnfix.so
/data/data/####/libshella-2.9.0.1.so
/data/data/####/libufix.so
/data/data/####/local_crash_lock
/data/data/####/mix.dex
/data/data/####/multidex.version.xml
/data/data/####/native_record_lock
/data/data/####/node_modules_reactnavigation_src_views_assets_b...sk.png
/data/data/####/node_modules_reactnavigation_src_views_assets_backicon.png
/data/data/####/pYdGRmeURk3mvw2gDZEC-CQ33bs.1240517301.tmp
/data/data/####/pri_tencent_analysis.db_com.yunjibuyer.yunji-journal
/data/data/####/pri_tencent_analysis.db_com.yunjibuyer.yunji;pu...ournal
/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/####/run.pid
/data/data/####/security_info
/data/data/####/tdata_Cta775
/data/data/####/tdata_Cta775.jar
/data/data/####/tdata_YYn966
/data/data/####/tdata_YYn966.jar
/data/data/####/tdata_lOE499
/data/data/####/tdata_lOE499.jar
/data/data/####/tdata_nmo636
/data/data/####/tdata_nmo636.jar
/data/data/####/tencent_analysis.db_com.yunjibuyer.yunji-journal
/data/data/####/tencent_analysis.db_com.yunjibuyer.yunji;pushse...ournal
/data/data/####/thread0_yj_bundle.zip.cache
/data/data/####/thread1_yj_bundle.zip.cache
/data/data/####/webview.db-journal
/data/data/####/webviewCookiesChromium.db-journal
/data/data/####/yj_bundle.zip.tmp
/data/data/####/yunji_buyer.db-journal
/data/data/####/yunjibuyer_config.xml.xml
/data/media/####/.mid.txt
/data/media/####/.mid.txt1000001
/data/media/####/.mid.txt3
/data/media/####/.nomedia
/data/media/####/2634635c3f45a069cf157a8c747a3bd1.0.tmp
/data/media/####/2634635c3f45a069cf157a8c747a3bd1.1.tmp
/data/media/####/37c1020f69721fa4d66a83f824a884b1.0.tmp
/data/media/####/37c1020f69721fa4d66a83f824a884b1.1.tmp
/data/media/####/6754d2ae86945b4dfa6a0bfd936a4ede.0.tmp
/data/media/####/6754d2ae86945b4dfa6a0bfd936a4ede.1.tmp
/data/media/####/7029f93bad0e66370876115bbca56bcf.0.tmp
/data/media/####/7029f93bad0e66370876115bbca56bcf.1.tmp
/data/media/####/7b01302de4274dc833d792a23bf0a53e.0.tmp
/data/media/####/7b01302de4274dc833d792a23bf0a53e.1.tmp
/data/media/####/8af44d710b44e78f0e5e0ed1e29630b3.0.tmp
/data/media/####/8af44d710b44e78f0e5e0ed1e29630b3.1.tmp
/data/media/####/8e51fc9ea574da61c849969795380bb6.0.tmp
/data/media/####/8e51fc9ea574da61c849969795380bb6.1.tmp
/data/media/####/94b862ef920f3173a8cdcb49c8c8ad1b.0.tmp
/data/media/####/94b862ef920f3173a8cdcb49c8c8ad1b.1.tmp
/data/media/####/94e99028ea64e2820bb1c18c4e7b2707.0.tmp
/data/media/####/94e99028ea64e2820bb1c18c4e7b2707.1.tmp
/data/media/####/Alvin2.xml
/data/media/####/ContextData.xml
/data/media/####/abbd4288060a8cee615b8b1a4e446cdf.0.tmp
/data/media/####/abbd4288060a8cee615b8b1a4e446cdf.1.tmp
/data/media/####/app.db
/data/media/####/b6043d3a7926299af58f3f7d5b3e98f1.0.tmp
/data/media/####/b6043d3a7926299af58f3f7d5b3e98f1.1.tmp
/data/media/####/c0ae3931f7b8833e0c49012a71b304bf.0.tmp
/data/media/####/c0ae3931f7b8833e0c49012a71b304bf.1.tmp
/data/media/####/c63d3e70e89eed732b071b0a6dce1b3d.0.tmp
/data/media/####/c63d3e70e89eed732b071b0a6dce1b3d.1.tmp
/data/media/####/cf98d7282c7b9cde64fb9ab6a668b70b.0.tmp
/data/media/####/cf98d7282c7b9cde64fb9ab6a668b70b.1.tmp
/data/media/####/com.getui.sdk.deviceId.db
/data/media/####/com.igexin.sdk.deviceId.db
/data/media/####/com.yunjibuyer.yunji.bin
/data/media/####/com.yunjibuyer.yunji.db
/data/media/####/db1e134c972c5fcf80ba8aca52796061.0.tmp
/data/media/####/db1e134c972c5fcf80ba8aca52796061.1.tmp
/data/media/####/e4a41317d7e77f07aa07bdda271b5643.0.tmp
/data/media/####/e4a41317d7e77f07aa07bdda271b5643.1.tmp
/data/media/####/f88d37a9e91c4dad79ac7e582669be5c.0.tmp
/data/media/####/f88d37a9e91c4dad79ac7e582669be5c.1.tmp
/data/media/####/gkt-journal
/data/media/####/gktper
/data/media/####/journal
/data/media/####/journal.tmp
/data/media/####/tdata_Cta775
/data/media/####/tdata_YYn966
/data/media/####/tdata_lOE499
/data/media/####/tdata_nmo636
/data/media/####/test.log

Miscellaneous:

Executes the following shell scripts:

/system/bin/cat /sys/devices/system/cpu/cpu0/cpufreq/cpuinfo_max_freq
/system/bin/cat /sys/devices/system/cpu/cpu0/cpufreq/cpuinfo_min_freq
/system/bin/sh -c getprop
/system/bin/sh -c getprop ro.aa.romver
/system/bin/sh -c getprop ro.board.platform
/system/bin/sh -c getprop ro.build.fingerprint
/system/bin/sh -c getprop ro.build.nubia.rom.name
/system/bin/sh -c getprop ro.build.rom.id
/system/bin/sh -c getprop ro.build.tyd.kbstyle_version
/system/bin/sh -c getprop ro.build.version.emui
/system/bin/sh -c getprop ro.build.version.opporom
/system/bin/sh -c getprop ro.gn.gnromvernumber
/system/bin/sh -c getprop ro.lenovo.series
/system/bin/sh -c getprop ro.lewa.version
/system/bin/sh -c getprop ro.meizu.product.model
/system/bin/sh -c getprop ro.miui.ui.version.name
/system/bin/sh -c getprop ro.vivo.os.build.display.id
/system/bin/sh -c type su
<Package Folder>/files/gdaemon_20161017 0 <Package>/com.yunji.imaginer.yjpush.YJGTPushService 25080 300 0
cat /sys/class/net/wlan0/address
chmod 700 <Package Folder>/files/gdaemon_20161017
chmod 700 <Package Folder>/tx_shell/libnfix.so
chmod 700 <Package Folder>/tx_shell/libshella-2.9.0.1.so
chmod 700 <Package Folder>/tx_shell/libufix.so
getprop
getprop ro.aa.romver
getprop ro.board.platform
getprop ro.build.fingerprint
getprop ro.build.nubia.rom.name
getprop ro.build.rom.id
getprop ro.build.tyd.kbstyle_version
getprop ro.build.version.emui
getprop ro.build.version.opporom
getprop ro.gn.gnromvernumber
getprop ro.lenovo.series
getprop ro.lewa.version
getprop ro.meizu.product.model
getprop ro.miui.ui.version.name
getprop ro.vivo.os.build.display.id
getprop ro.yunos.version
logcat -d -v threadtime
mount
sh <Package Folder>/files/gdaemon_20161017 0 <Package>/com.yunji.imaginer.yjpush.YJGTPushService 25080 300 0

Loads the following dynamic libraries:

Bugly
MtaNativeCrash_v2
getuiext2
imagepipeline
libnfix
libshella-2.9.0.1
libufix
nfix
ufix

Uses the following algorithms to encrypt data:

AES-CBC-PKCS5Padding
AES-CFB-NoPadding
AES-ECB-PKCS5Padding
AES-GCM-NoPadding
RSA-ECB-PKCS1Padding
RSA-NONE-OAEPWithSHA1AndMGF1Padding
RSA-NONE-PKCS1PADDING

Uses the following algorithms to decrypt data:

AES-CFB-NoPadding
AES-ECB-PKCS5Padding
AES-GCM-NoPadding

Uses special library to hide executable bytecode.

Gets information about location.

Gets information about network.

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

Gets information about installed apps.

Adds tasks to the system scheduler.

Displays its own windows over windows of other apps.

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