Android.Packed.42988

Technical information

Malicious functions:

Executes code of the following detected threats:

Adware.Dowgin.14.origin
Adware.Dowgin.3.origin
Adware.Plague.1.origin
Android.DownLoader.570.origin

Accesses the ITelephony private interface.

Network activity:

Connects to:

UDP(DNS) <Google DNS>
TCP(HTTP/1.1) a####.u####.com:80
TCP(HTTP/1.1) ff.t####.com.####.com:80
TCP(HTTP/1.1) api####.37de####.com:80
TCP(HTTP/1.1) bx.ix.0####.com:80
TCP(HTTP/1.1) ji.xi.jx####.cn:80
TCP(TLS/1.0) and####.cli####.go####.com:443
TCP t1.jz####.com:7701
TCP t1.jz####.com:7703
TCP t1.jz####.com:7702

DNS requests:

a####.u####.com
and####.cli####.go####.com
api####.37de####.com
api.appgen####.com
bx.ix.0####.com
f####.so
ff.t####.com
int.d####.s####.####.cn
ji.xi.jx####.cn
t1.jz####.com
t2.jz####.com
t3.jz####.com
ud####.com

HTTP GET requests:

ff.t####.com.####.com/d/44z0.jpg
ff.t####.com.####.com/d/44z7.jpg
ff.t####.com.####.com/d/451h.jpg
ff.t####.com.####.com/d/451k.jpg
ff.t####.com.####.com/d/453h.jpg
ff.t####.com.####.com/d/453n.jpg

HTTP POST requests:

a####.u####.com/app_logs
api####.37de####.com/APIPOOL/
bx.ix.0####.com//9871k
bx.ix.0####.com//9871l
ji.xi.jx####.cn/noitacude/e926/p04
ji.xi.jx####.cn/noitacude/e926/q04

File system changes:

Creates the following files:

/data/data/####/.imprint
/data/data/####/.md5
/data/data/####/.sec_version
/data/data/####/1551204139059a.jar
/data/data/####/45b37d08956148a1bbd5b122aa1c5857com.fenbist.education.xml
/data/data/####/DefaultTeXFont.xml
/data/data/####/GlueSettings.xml
/data/data/####/Knuth_License.txt
/data/data/####/License_for_dsrom.txt
/data/data/####/OFL.txt
/data/data/####/TeXFormulaSettings.xml
/data/data/####/TeXSymbols.xml
/data/data/####/Uda.db
/data/data/####/Uda.db-journal
/data/data/####/_cscomfenbisteducation_r.xml
/data/data/####/_cx.xml
/data/data/####/_vb.xml
/data/data/####/a1.db-journal
/data/data/####/a1.xml
/data/data/####/a1356507059351895.xml
/data/data/####/app_preferences.xml
/data/data/####/b1356507059351895.xml
/data/data/####/c1356507059351895.xml
/data/data/####/classes.dex
/data/data/####/classes.jar
/data/data/####/cn.jpush.android.user.profile.xml
/data/data/####/cn.jpush.preferences.v2.xml
/data/data/####/com.fenbist.education
/data/data/####/com.fenbist.education.art
/data/data/####/com.fenbist.education.art.20
/data/data/####/com.fenbist.education_preferences.xml
/data/data/####/com.kjhrpu.djwqez.jar
/data/data/####/com.ysn.jar
/data/data/####/container.apk
/data/data/####/d1356507059351895.xml
/data/data/####/dbkfacp-journal
/data/data/####/deep_share_preference.xml
/data/data/####/device_id.xml.xml
/data/data/####/exchangeIdentity.json
/data/data/####/f1356507059351895.xml
/data/data/####/jlm_amsfonts.map.xml
/data/data/####/jlm_amssymb.map.xml
/data/data/####/jlm_base.map.xml
/data/data/####/jlm_cmbsy10.ttf
/data/data/####/jlm_cmbsy10.xml
/data/data/####/jlm_cmbx10.ttf
/data/data/####/jlm_cmbx10.xml
/data/data/####/jlm_cmbxti10.ttf
/data/data/####/jlm_cmbxti10.xml
/data/data/####/jlm_cmex10.ttf
/data/data/####/jlm_cmex10.xml
/data/data/####/jlm_cmmi10.ttf
/data/data/####/jlm_cmmi10.xml
/data/data/####/jlm_cmmi10_unchanged.xml
/data/data/####/jlm_cmmib10.ttf
/data/data/####/jlm_cmmib10.xml
/data/data/####/jlm_cmmib10_unchanged.xml
/data/data/####/jlm_cmr10.ttf
/data/data/####/jlm_cmr10.xml
/data/data/####/jlm_cmss10.ttf
/data/data/####/jlm_cmss10.xml
/data/data/####/jlm_cmssbx10.ttf
/data/data/####/jlm_cmssbx10.xml
/data/data/####/jlm_cmssi10.ttf
/data/data/####/jlm_cmssi10.xml
/data/data/####/jlm_cmsy10.ttf
/data/data/####/jlm_cmsy10.xml
/data/data/####/jlm_cmti10.ttf
/data/data/####/jlm_cmti10.xml
/data/data/####/jlm_cmti10_unchanged.xml
/data/data/####/jlm_cmtt10.ttf
/data/data/####/jlm_cmtt10.xml
/data/data/####/jlm_cyrillic.map.xml
/data/data/####/jlm_dsrom10.ttf
/data/data/####/jlm_dsrom10.xml
/data/data/####/jlm_eufb10.ttf
/data/data/####/jlm_eufb10.xml
/data/data/####/jlm_eufm10.ttf
/data/data/####/jlm_eufm10.xml
/data/data/####/jlm_fcmbipg.ttf
/data/data/####/jlm_fcmbipg.xml
/data/data/####/jlm_fcmbpg.ttf
/data/data/####/jlm_fcmbpg.xml
/data/data/####/jlm_fcmripg.ttf
/data/data/####/jlm_fcmripg.xml
/data/data/####/jlm_fcmrpg.ttf
/data/data/####/jlm_fcmrpg.xml
/data/data/####/jlm_fcsbpg.ttf
/data/data/####/jlm_fcsbpg.xml
/data/data/####/jlm_fcsropg.ttf
/data/data/####/jlm_fcsropg.xml
/data/data/####/jlm_fcsrpg.ttf
/data/data/####/jlm_fcsrpg.xml
/data/data/####/jlm_fctrpg.ttf
/data/data/####/jlm_fctrpg.xml
/data/data/####/jlm_greek.map.xml
/data/data/####/jlm_jlmbi10.ttf
/data/data/####/jlm_jlmbi10.xml
/data/data/####/jlm_jlmbx10.ttf
/data/data/####/jlm_jlmbx10.xml
/data/data/####/jlm_jlmi10.ttf
/data/data/####/jlm_jlmi10.xml
/data/data/####/jlm_jlmr10.ttf
/data/data/####/jlm_jlmr10.xml
/data/data/####/jlm_jlmr10_unchanged.xml
/data/data/####/jlm_jlmsb10.ttf
/data/data/####/jlm_jlmsb10.xml
/data/data/####/jlm_jlmsbi10.ttf
/data/data/####/jlm_jlmsbi10.xml
/data/data/####/jlm_jlmsi10.ttf
/data/data/####/jlm_jlmsi10.xml
/data/data/####/jlm_jlmss10.ttf
/data/data/####/jlm_jlmss10.xml
/data/data/####/jlm_jlmtt10.ttf
/data/data/####/jlm_jlmtt10.xml
/data/data/####/jlm_moustache.xml
/data/data/####/jlm_msam10.ttf
/data/data/####/jlm_msam10.xml
/data/data/####/jlm_msbm10.ttf
/data/data/####/jlm_msbm10.xml
/data/data/####/jlm_rsfs10.ttf
/data/data/####/jlm_rsfs10.xml
/data/data/####/jlm_special.map.xml
/data/data/####/jlm_special.ttf
/data/data/####/jlm_special.xml
/data/data/####/jlm_stmary10.ttf
/data/data/####/jlm_stmary10.xml
/data/data/####/jlm_stmaryrd.map.xml
/data/data/####/jlm_wnbx10.ttf
/data/data/####/jlm_wnbx10.xml
/data/data/####/jlm_wnbxti10.ttf
/data/data/####/jlm_wnbxti10.xml
/data/data/####/jlm_wnr10.ttf
/data/data/####/jlm_wnr10.xml
/data/data/####/jlm_wnss10.ttf
/data/data/####/jlm_wnss10.xml
/data/data/####/jlm_wnssbx10.ttf
/data/data/####/jlm_wnssbx10.xml
/data/data/####/jlm_wnssi10.ttf
/data/data/####/jlm_wnssi10.xml
/data/data/####/jlm_wnti10.ttf
/data/data/####/jlm_wnti10.xml
/data/data/####/jlm_wntt10.ttf
/data/data/####/jlm_wntt10.xml
/data/data/####/language_cyrillic.xml
/data/data/####/language_greek.xml
/data/data/####/libcpu
/data/data/####/libsecexe.x86.so
/data/data/####/libsecmain.x86.so
/data/data/####/libsecpreload.x86.so
/data/data/####/mappings_cyrillic.xml
/data/data/####/mappings_greek.xml
/data/data/####/symbols_cyrillic.xml
/data/data/####/symbols_greek.xml
/data/data/####/umeng_general_config.xml
/data/data/####/umeng_it.cache
/data/data/####/webview.db-journal
/data/data/####/webviewCookiesChromium.db-journal
/data/data/####/webviewCookiesChromium.db-journal (deleted)
/data/data/####/webviewCookiesChromiumPrivate.db-journal
/data/media/####/44z0.jpg.data
/data/media/####/44z7.jpg.data
/data/media/####/451h.jpg.data
/data/media/####/451k.jpg.data
/data/media/####/453h.jpg.data
/data/media/####/453n.jpg.data

Miscellaneous:

Executes the following shell scripts:

<Package> <Package> -1829479656 0 /data/app/<Package>-1.apk 41 <Package> 52 53 1 0
chmod 755 <Package Folder>/.cache/<Package>
chmod 755 <Package Folder>/.cache/<Package>.art
chmod 755 <Package Folder>/.cache/<Package>.art.20
chmod 775 <Package Folder>/app_nneomodule/libcpu
getprop ro.product.cpu.abi
sh -c <Package Folder>/app_nneomodule/libcpu /storage/emulated/0/.a290479c-da00-3746-ba97-24533d9d8fd9 18 1 <Package>
sh -c chmod 775 <Package Folder>/app_nneomodule/libcpu

Loads the following dynamic libraries:

jpush205
libsecexe.x86
tex

Uses the following algorithms to encrypt data:

DES
DES-CBC-PKCS5Padding
DES-ECB-PKCS5Padding

Uses the following algorithms to decrypt data:

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.

Gets information about accounts associated with the device (Google, Facebook, etc.).

Adds tasks to the system scheduler.

Displays its own windows over windows of other apps.

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