Android.Backdoor.2110

Technical information

Malicious functions:

Executes code of the following detected threats:

Android.Backdoor.657.origin

Accesses the ITelephony private interface.

Network activity:

Connects to:

UDP(DNS) <Google DNS>
TCP(HTTP/1.1) pg.x####.com:80
TCP(HTTP/1.1) poll-di####.cooteks####.com:80
TCP(HTTP/1.1) unipa####.wos####.cn:8080
TCP(HTTP/1.1) unip####.wos####.cn:8080
TCP(HTTP/1.1) un####.wos####.cn:8061
TCP(HTTP/1.1) se####.wos####.cn:81
UDP(NTP) 1.cn.p####.####.org:123
TCP(TLS/1.0) 1####.217.17.110:443

DNS requests:

1.cn.p####.####.org
i####.cn
pg.x####.com
poll-di####.cooteks####.com
se####.wos####.cn
un####.wos####.cn
unip####.wos####.cn
unipa####.wos####.cn

HTTP GET requests:

poll-di####.cooteks####.com/dualsim/appkey_dsi?appkey=####&host=####&man...
unip####.wos####.cn:8080/upload/1547536478380.zip

HTTP POST requests:

pg.x####.com/api/q/a/302a0818177c9ec3804cb2072151f3920
pg.x####.com/api/statis/302a0818177c9ec3804cb2072151f3920/app-0A7BBAB1AD...
se####.wos####.cn:81/unipay/precheck?secrettype=####&sdktime=####&urlsig...
un####.wos####.cn:8061/logserver/unipay/unipayLogin
unipa####.wos####.cn:8080/sdk_upgrade_server/report.action
unipa####.wos####.cn:8080/sdk_upgrade_server/sdkupdate.action

File system changes:

Creates the following files:

/data/anr/traces.txt
/data/data/####/4.8.0M2111B0715_resource_400.apk
/data/data/####/4.8.0M2111B0910_resource_400.apk
/data/data/####/TD_app_pefercen_profile.xml
/data/data/####/TDpref_longtime.xml
/data/data/####/TDpref_shorttime.xml
/data/data/####/TDtcagent.db
/data/data/####/TDtcagent.db-journal
/data/data/####/accountsdk_2_arrow_right_gray.png
/data/data/####/accountsdk_2_btn_grey.9.png
/data/data/####/accountsdk_2_btn_modify_uinfo.png
/data/data/####/accountsdk_2_checkbox_set.png
/data/data/####/accountsdk_2_checkbox_unset.png
/data/data/####/accountsdk_2_float_bg.png
/data/data/####/accountsdk_2_float_bg_expand_lr.9.png
/data/data/####/accountsdk_2_float_bg_expand_rl.9.png
/data/data/####/accountsdk_2_float_bg_expanded.png
/data/data/####/accountsdk_2_float_bg_expanded_lo.png
/data/data/####/accountsdk_2_float_bg_lo.png
/data/data/####/accountsdk_2_float_btn_account.png
/data/data/####/accountsdk_2_float_btn_account_pressed.png
/data/data/####/accountsdk_2_float_btn_activity.png
/data/data/####/accountsdk_2_float_btn_activity_pressed.png
/data/data/####/accountsdk_2_float_btn_point.png
/data/data/####/accountsdk_2_float_btn_point_pressed.png
/data/data/####/accountsdk_2_float_btn_recharge.png
/data/data/####/accountsdk_2_float_btn_recharge_pressed.png
/data/data/####/accountsdk_2_float_logo.png
/data/data/####/accountsdk_2_green_radio.png
/data/data/####/accountsdk_2_green_radio_checked.png
/data/data/####/accountsdk_2_icon_fail.png
/data/data/####/accountsdk_2_pointbar.png
/data/data/####/accountsdk_2_portrait_default.png
/data/data/####/accountsdk_2_uicom_logo.png
/data/data/####/accountsdk_2_wostore_logo.png
/data/data/####/alipay_pay.png
/data/data/####/app_crash_04b0325ef3d523b36bd35806883c65f6.txt
/data/data/####/app_crash_05a9c804c9e7ef9db17e2861a49457e8.txt
/data/data/####/app_crash_0ff6bd058ca15e3c3641d93c86c24116.txt
/data/data/####/app_crash_1d2386f8a6398014689586f50de1e48c.txt
/data/data/####/app_crash_2c5389e4eea5035ae6622c5854764a75.txt
/data/data/####/app_crash_2eaa1a5d2a05d0c2501657dfec1b7282.txt
/data/data/####/app_crash_3251db16cd11b1a0224c043dcec6d2ba.txt
/data/data/####/app_crash_3337e8510f8459c03a05b7d9372bbfa4.txt
/data/data/####/app_crash_384ab3c7a76cf32d15aa725b05258b4f.txt
/data/data/####/app_crash_43b2d8d76cb6189b9155bf25aa27cfd7.txt
/data/data/####/app_crash_4b563e55432e90de0f0178c84df943bd.txt
/data/data/####/app_crash_50a2916dceaf659662b7df9990b6a7ed.txt
/data/data/####/app_crash_5b30bb3b5b28223e989b4497b8d2404a.txt
/data/data/####/app_crash_629c05bce463fdd22a07b5c48b52cba2.txt
/data/data/####/app_crash_8f0b0c1c8ccaee7a4bbad55ae86299cc.txt
/data/data/####/app_crash_a31a5ce04b392c52df459f2b9887f918.txt
/data/data/####/app_crash_a8387b924f726eac8ad8b539bb5b901f.txt
/data/data/####/app_crash_aa69cd47311bf668da006a88c280affc.txt
/data/data/####/app_crash_ba40ca21120289e8194e080033e3b88a.txt
/data/data/####/app_crash_ba71ddf06920eb69272c8a6324ed2eac.txt
/data/data/####/app_crash_d3a5713c2572f25dcacf6ddd473ec69b.txt
/data/data/####/app_crash_d6be53c03dbdf88441220c0886cc2977.txt
/data/data/####/app_crash_d846bb1588012e1fe28dc418f4d349c2.txt
/data/data/####/app_crash_ea90bad0b57b45ac8d33710668c60c89.txt
/data/data/####/app_crash_ec4b3381304e50904d61c8b1fb698d07.txt
/data/data/####/app_crash_ec9d0c685a19be14a30fe0ae55690101.txt
/data/data/####/app_update_dialog_bg.png
/data/data/####/app_update_dialog_btn.png
/data/data/####/app_update_dialog_close.png
/data/data/####/app_update_dialog_progress.png
/data/data/####/app_update_dialog_title.png
/data/data/####/default_banner.png
/data/data/####/dot_black.png
/data/data/####/green_dot.png
/data/data/####/jfsc.png
/data/data/####/libjiagu-1318132618.so
/data/data/####/loading1.png
/data/data/####/local.jar
/data/data/####/login
/data/data/####/month_record_list.png
/data/data/####/month_vip_bojin.png
/data/data/####/month_vip_huangjin.png
/data/data/####/month_vip_icon.png
/data/data/####/month_vip_putong.png
/data/data/####/msg_store.xml
/data/data/####/mxres3.dat
/data/data/####/myhelp.png
/data/data/####/myhongbao.png
/data/data/####/myjifen.png
/data/data/####/myltbl.png
/data/data/####/myltjf.png
/data/data/####/mywobi.png
/data/data/####/mywoquan.png
/data/data/####/otherpay_back.png
/data/data/####/privilege_dot.png
/data/data/####/qq_pay.png
/data/data/####/quickpayHelp1.png
/data/data/####/quickpayHelp2.png
/data/data/####/quickpayHelp3.png
/data/data/####/sdk_load_info.xml
/data/data/####/talkingdata_app.db-journal
/data/data/####/talkingdata_app_process_preferences_file
/data/data/####/talkingdata_app_version_preferences_file
/data/data/####/td.lock
/data/data/####/tdid.xml
/data/data/####/triangle_down.png
/data/data/####/triangle_up.png
/data/data/####/unicom_adv_title.png
/data/data/####/unicom_alipay.png
/data/data/####/unicom_allright.png
/data/data/####/unicom_back.png
/data/data/####/unicom_bankcard.png
/data/data/####/unicom_boxbg.png
/data/data/####/unicom_btn_back.png
/data/data/####/unicom_btn_close.png
/data/data/####/unicom_btn_eyeoff.png
/data/data/####/unicom_btn_eyeon.png
/data/data/####/unicom_btn_refresh.png
/data/data/####/unicom_btn_usercenter.png
/data/data/####/unicom_btn_x.png
/data/data/####/unicom_chongzhicard.png
/data/data/####/unicom_circlerect_bg.png
/data/data/####/unicom_cl.xml
/data/data/####/unicom_cl.xml.bak
/data/data/####/unicom_classez.jar
/data/data/####/unicom_close.png
/data/data/####/unicom_close_new_normal.png
/data/data/####/unicom_close_new_press.png
/data/data/####/unicom_complete.png
/data/data/####/unicom_gift.png
/data/data/####/unicom_gou.png
/data/data/####/unicom_hot.png
/data/data/####/unicom_hotline.png
/data/data/####/unicom_img_card.png
/data/data/####/unicom_img_card2.png
/data/data/####/unicom_inputbox.png
/data/data/####/unicom_jfpay_baner.jpg
/data/data/####/unicom_jfpay_rule.jpg
/data/data/####/unicom_keyboard_clear.png
/data/data/####/unicom_light_boxbg.png
/data/data/####/unicom_modify.png
/data/data/####/unicom_progress_1.png
/data/data/####/unicom_progress_2.png
/data/data/####/unicom_progress_3.png
/data/data/####/unicom_pulldown.png
/data/data/####/unicom_qq.png
/data/data/####/unicom_rect_green.png
/data/data/####/unicom_red_circle.png
/data/data/####/unicom_resource.dat
/data/data/####/unicom_separate_line.png
/data/data/####/unicom_smallrightbar.png
/data/data/####/unicom_tanhao.png
/data/data/####/unicom_tuijian.png
/data/data/####/unicom_weixin_.png
/data/data/####/unicom_wobi.png
/data/data/####/unicom_wobi_big.png
/data/data/####/unicom_wopay.png
/data/data/####/update.zip
/data/data/####/wechat_pay.png
/data/data/####/wobi_pay2.png
/data/data/####/wostore_progress.png
/data/data/####/wostore_welcome.png
/data/data/####/wwoclasses.dex
/data/data/####/wwoclasses.dve
/data/data/####/wwoclasses.jar
/data/media/####/.tcookieid
/data/media/####/addata22.dat
/data/media/####/data0.dat
/data/media/####/data1.dat
/data/media/####/data111.dat
/data/media/####/dualsim.dat
/data/media/####/update_1548488483905.dat

Miscellaneous:

Executes the following shell scripts:

chmod 755 <Package Folder>/.jiagu/libjiagu-1318132618.so
netstat -apn

Loads the following dynamic libraries:

libjiagu-1318132618
me_unipay
megjb

Uses the following algorithms to encrypt data:

AES-CBC-PKCS7Padding
DESede-CBC-NoPadding

Uses the following algorithms to decrypt data:

AES-CBC-PKCS7Padding
DESede-CBC-NoPadding
RSA-ECB-PKCS1Padding

Uses special library to hide executable bytecode.

Gets information about network.

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

Gets information about installed apps.

テクノロジー

用語

トレーニングコースおよび啓蒙プロジェクト

アンチウイルスに関する誤解と噂

Technical information

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