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Android.RemoteCode.7219

Added to the Dr.Web virus database: 2020-11-22

Virus description added:

Technical information

Malicious functions:
Executes code of the following detected threats:
  • Android.RemoteCode.291.origin
Network activity:
Connects to:
  • UDP(DNS) <Google DNS>
  • TCP(HTTP/1.1) 2####.111.8.140:8080
  • TCP(HTTP/1.1) 1####.89.97.82:8000
  • TCP(HTTP/1.1) 1####.159.18.80:8001
  • TCP(HTTP/1.1) 1####.159.18.80:8000
  • TCP(HTTP/1.1) pi####.qq.com:80
  • TCP(HTTP/1.1) gam####.m.d####.com:80
  • TCP(HTTP/1.1) sw####.z####.com.cn:8080
  • TCP(HTTP/1.1 X-OF-Signature: 5LbroB4pPPpeEczNFmpG3cFLbcM= X-OF-Key: Signature-OF-RSAUtils OS_TYPE: 1 Accept: application/xml Response-Type: xml GameType: 6 Iccid: 8980dXCjEfNxU0Yf6lWE platform: Android apiVersion: 2.5 SDKVersion: 28002 imei: 309617070840334 imsi: 460022594317869 signer: 5LbroB4pPPpeEczNFmpG3cFLbcM= sdkSessionId: m4G94LXmzqd8 platFormId: 03 Content-Length: 596 Content-Type: application/x-www-form-urlencoded; charset=UTF-8 Host: sdklog.cmgame.com Connection: Keep-Alive Cookie: JSESSIONID=8F7D8F9D538B17670C1DA0153FF3030B Cookie2: $Version=1 Accept-Encoding: gzip data=sdkSessionId%40m4G94LXmzqd8%2Ctel%4013906026581%2Cuid%40%2CsdkType%401%2CsdkVer%4028002%2ClogVer%402.1%2CserviceType%406%2CcpId%40799087%2CcontentId%40689116071695%2CchannelId%4042725043%2CinstallFlag%401%2CstartFlag%401%2Cpacker%40%2Cuuid%4017e8f534f57f499fb159df7c4a7f8c25%2Cimei%40309617070840334%2Cimsi%40460022594317869%2CmacAddr%407a2e1bee7ad7%2Cbrand%40Sony%2Cmodel%40C5502%2Coperator%401%2CnetworkType%404%2CapnType%400%2CisProxyGateway%402%2CinvokeTime%402020-11-22+13%3A27%3A51%2CeventInvokeTime%4021%2CeventId%40E0009_1%2CloginAccount%4013906026581%2CloginMode%402%2CeventType%409) sd####.cm####.com:80
  • TCP(HTTP/1.1 X-OF-Signature: A5cK1P3zpXwzsvD21J4lU8mTw+w= X-OF-Key: Signature-OF-RSAUtils OS_TYPE: 1 Accept: application/xml Response-Type: xml GameType: 6 Iccid: 8980dXCjEfNxU0Yf6lWE platform: Android apiVersion: 2.5 SDKVersion: 28002 imei: 309617070840334 imsi: 460022594317869 signer: A5cK1P3zpXwzsvD21J4lU8mTw+w= sdkSessionId: m4G94LXmzqd8 platFormId: 03 Content-Length: 548 Content-Type: application/x-www-form-urlencoded; charset=UTF-8 Host: sdklog.cmgame.com Connection: Keep-Alive Cookie: JSESSIONID=8F7D8F9D538B17670C1DA0153FF3030B Cookie2: $Version=1 Accept-Encoding: gzip data=sdkSessionId%40m4G94LXmzqd8%2Ctel%4013906026581%2Cuid%40%2CsdkType%401%2CsdkVer%4028002%2ClogVer%402.1%2CserviceType%406%2CcpId%40799087%2CcontentId%40689116071695%2CchannelId%4042725043%2CinstallFlag%400%2CstartFlag%402%2Cpacker%40%2Cuuid%4017e8f534f57f499fb159df7c4a7f8c25%2Cimei%40309617070840334%2Cimsi%40460022594317869%2CmacAddr%407a2e1bee7ad7%2Cbrand%40Sony%2Cmodel%40C5502%2Coperator%401%2CnetworkType%404%2CapnType%400%2CisProxyGateway%402%2CinvokeTime%402020-11-22+13%3A27%3A54%2CeventInvokeTime%401%2CeventType%401%2CeventId%40E0001) sd####.cm####.com:80
  • TCP(HTTP/1.1 X-OF-Signature: g6K3B46P+zSEI3eC+iIuEy4k4/Y= X-OF-Key: Signature-OF-RSAUtils OS_TYPE: 1 Accept: application/xml Response-Type: xml GameType: 6 Iccid: 8980dXCjEfNxU0Yf6lWE platform: Android apiVersion: 2.5 SDKVersion: 28002 imei: 309617070840334 imsi: 460022594317869 signer: g6K3B46P+zSEI3eC+iIuEy4k4/Y= sdkSessionId: m4G94LXmzqd8 platFormId: 03 Content-Length: 548 Content-Type: application/x-www-form-urlencoded; charset=UTF-8 Host: sdklog.cmgame.com Connection: Keep-Alive Accept-Encoding: gzip data=sdkSessionId%40m4G94LXmzqd8%2Ctel%4013906026581%2Cuid%40%2CsdkType%401%2CsdkVer%4028002%2ClogVer%402.1%2CserviceType%406%2CcpId%40799087%2CcontentId%40689116071695%2CchannelId%4042725043%2CinstallFlag%401%2CstartFlag%401%2Cpacker%40%2Cuuid%4017e8f534f57f499fb159df7c4a7f8c25%2Cimei%40309617070840334%2Cimsi%40460022594317869%2CmacAddr%407a2e1bee7ad7%2Cbrand%40Sony%2Cmodel%40C5502%2Coperator%401%2CnetworkType%404%2CapnType%400%2CisProxyGateway%402%2CinvokeTime%402020-11-22+13%3A27%3A45%2CeventInvokeTime%401%2CeventType%401%2CeventId%40E0001) sd####.cm####.com:80
  • TCP(HTTP/1.1 X-OF-Signature: irNjM8MzVsOZOMpAqucl2YSQwro= X-OF-Key: Signature-OF-RSAUtils OS_TYPE: 1 Accept: application/xml Response-Type: xml GameType: 6 Iccid: 8980dXCjEfNxU0Yf6lWE platform: Android apiVersion: 2.5 SDKVersion: 28002 imei: 309617070840334 imsi: 460022594317869 signer: irNjM8MzVsOZOMpAqucl2YSQwro= sdkSessionId: m4G94LXmzqd8 platFormId: 03 Content-Length: 596 Content-Type: application/x-www-form-urlencoded; charset=UTF-8 Host: sdklog.cmgame.com Connection: Keep-Alive Cookie: JSESSIONID=750592BEAEFB69260ADE64B28EA2C689 Cookie2: $Version=1 Accept-Encoding: gzip data=sdkSessionId%40m4G94LXmzqd8%2Ctel%4013906026581%2Cuid%40%2CsdkType%401%2CsdkVer%4028002%2ClogVer%402.1%2CserviceType%406%2CcpId%40799087%2CcontentId%40689116071695%2CchannelId%4042725043%2CinstallFlag%400%2CstartFlag%402%2Cpacker%40%2Cuuid%4017e8f534f57f499fb159df7c4a7f8c25%2Cimei%40309617070840334%2Cimsi%40460022594317869%2CmacAddr%407a2e1bee7ad7%2Cbrand%40Sony%2Cmodel%40C5502%2Coperator%401%2CnetworkType%404%2CapnType%400%2CisProxyGateway%402%2CinvokeTime%402020-11-22+13%3A27%3A59%2CeventInvokeTime%4049%2CeventId%40E0009_1%2CloginAccount%4013906026581%2CloginMode%402%2CeventType%409) sd####.cm####.com:80
  • UDP(NTP) 1.cn.p####.####.org:123
  • TCP(TLS/1.0) c####.x####.com:443
DNS requests:
  • 1.cn.p####.####.org
  • av1.x####.com
  • c####.x####.com
  • gam####.m.d####.com
  • h####.b####.com
  • i####.cn
  • pg.x####.com
  • pi####.qq.com
  • sd####.cm####.com
  • sw####.z####.com.cn
HTTP GET requests:
  • sw####.z####.com.cn:8080/SG_Frontend/Query?gid=####&vid=####&ch=####&icc...
  • sw####.z####.com.cn:8080/SG_Frontend/gameNofity
HTTP POST requests:
  • gam####.m.d####.com/standalone/queryGbAndMmSupport
  • pi####.qq.com/mstat/report/?index=####
  • sd####.cm####.com/behaviorLogging/eventLogging/accept?
File system changes:
Creates the following files:
  • /data/data/####/202011221327611.v1.crash
  • /data/data/####/2cb6687eb5__local_except_cache.json
  • /data/data/####/2cb6687eb5__local_stat_cache.json
  • /data/data/####/TDCloudSettingsConfig84E6108306034BB7A16BC23F2F96BF1A.xml
  • /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/####/__Baidu_Stat_SDK_SendRem.xml
  • /data/data/####/b.gif
  • /data/data/####/b.jar
  • /data/data/####/b.jar.temp
  • /data/data/####/b.jpg
  • /data/data/####/b.jpg.temp
  • /data/data/####/b.jpg.temp (deleted)
  • /data/data/####/com.sg.atmrxyx.baidu.mid.world.ro.xml
  • /data/data/####/com.sg.atmrxyx.baidu_preferences.xml
  • /data/data/####/com_dk_shared_preferences.xml
  • /data/data/####/ddai300_ds.jar
  • /data/data/####/ddai300_s_p287.dat
  • /data/data/####/ddai_ad300_hotcfg.xml
  • /data/data/####/multidex.version.xml
  • /data/data/####/pri_tencent_analysis.db_com.sg.atmrxyx.baidu-journal
  • /data/data/####/sg.dex
  • /data/data/####/sg_game.dex
  • /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/####/tencent_analysis.db_com.sg.atmrxyx.baidu-journal
  • /data/media/####/.confd
  • /data/media/####/.confd-journal
  • /data/media/####/.config
  • /data/media/####/.cuid
  • /data/media/####/.tcookieid
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
  • chmod 777 <Package Folder>/files/b.jar
  • logcat -c
  • logcat -d -v time
  • su
  • which su
Loads the following dynamic libraries:
  • MtaNativeCrash_v2
  • gdx
Uses the following algorithms to encrypt data:
  • AES-CBC-PKCS5Padding
  • AES-CBC-PKCS7Padding
  • AES-ECB-PKCS5Padding
  • DES-ECB-PKCS5Padding
Uses the following algorithms to decrypt data:
  • AES-CBC-PKCS7Padding
  • AES-ECB-PKCS5Padding
Uses elevated priveleges.
Accesses the ITelephony private interface.
Contains functionality for automatic SMS sending.
Gets information about location.
Gets information about network.
Gets information about phone status (number, IMEI, etc.).
Gets information about APN settings.
Gets information about installed apps.
Displays its own windows over windows of other apps.

Curing recommendations


Android

  1. If the mobile device is operating normally, download and install Dr.Web for Android Light. Run a full system scan and follow recommendations to neutralize the detected threats.
  2. If the mobile device has been locked by Android.Locker ransomware (the message on the screen tells you that you have broken some law or demands a set ransom amount; or you will see some other announcement that prevents you from using the handheld normally), do the following:
    • Load your smartphone or tablet in the safe mode (depending on the operating system version and specifications of the particular mobile device involved, this procedure can be performed in various ways; seek clarification from the user guide that was shipped with the device, or contact its manufacturer);
    • Once you have activated safe mode, install the Dr.Web для Android Light onto the infected handheld and run a full scan of the system; follow the steps recommended for neutralizing the threats that have been detected;
    • Switch off your device and turn it on as normal.

Find out more about Dr.Web for Android

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