Android.Backdoor.2086

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) av1.x####.com:443

DNS requests:

1.cn.p####.####.org
av1.x####.com
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/33ef4b594bcf9a16911d5d1b807f7dde3
pg.x####.com/api/statis/33ef4b594bcf9a16911d5d1b807f7dde3/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/com.sg.atm4.coolpad/####/talkingdata_app.db
/data/data/####/4.8.0M2111B0715_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_1ccfe3d5a3bd4f776ccb7faddcaf75eb.txt
/data/data/####/app_crash_2b0cf2cbb149a9262ca86157a05b3197.txt
/data/data/####/app_crash_2e18a3584a067babf73edb28b0304510.txt
/data/data/####/app_crash_31258882c5f2280fc65dc8d1079b1a47.txt
/data/data/####/app_crash_3aa9fa03e324327408ffc4d6d99a43c2.txt
/data/data/####/app_crash_539bd636cf90cc148320f438194ccf7c.txt
/data/data/####/app_crash_691056a8751067d2448b6a9a29cde67d.txt
/data/data/####/app_crash_78ee92fcc49fcd239ef404d3c4b2ab46.txt
/data/data/####/app_crash_7c03386e1553d2f9aa42dc9caf66dad8.txt
/data/data/####/app_crash_7c328e1c3b80adb93b3bfd259caa8508.txt
/data/data/####/app_crash_a7e13d5fcec04add06d10001ec183e8d.txt
/data/data/####/app_crash_b18a86e5c278a1703d075d150f9de212.txt
/data/data/####/app_crash_b350be42a3017a082209503c70c5f8be.txt
/data/data/####/app_crash_c0d6f2d8386c09fae01742e2f896a6c2.txt
/data/data/####/app_crash_d3960121befdd35cd8cd405212b856ec.txt
/data/data/####/app_crash_d3a70df5eb2592d673497825c16e5565.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/####/com.sg.atm4.coolpad_preferences.xml
/data/data/####/default_banner.png
/data/data/####/dot_black.png
/data/data/####/green_dot.png
/data/data/####/jfsc.png
/data/data/####/libjiagu-159780643.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/####/tdlock.txt
/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_1547804284807.dat

Miscellaneous:

Executes the following shell scripts:

chmod 755 <Package Folder>/.jiagu/libjiagu-159780643.so
netstat -apn

Loads the following dynamic libraries:

libjiagu-159780643
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 location.

Gets information about network.

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

Gets information about installed apps.

Tecnologie

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Formazione ed informazione

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