Analysis

  • max time kernel
    129s
  • max time network
    151s
  • platform
    android-9_x86
  • resource
    android-x86-arm-20240910-en
  • resource tags

    arch:armarch:x86image:android-x86-arm-20240910-enlocale:en-usos:android-9-x86system
  • submitted
    11-09-2024 22:10

General

  • Target

    c2b9f492d3040c10903ad69bc0f4c72eb7ba586c878fe0c957709c7bbf85d263.apk

  • Size

    1.7MB

  • MD5

    7bda64a406ad69de1d84abe9a6ef5bb7

  • SHA1

    12bba2297584da061f0e47c54e702c280c613363

  • SHA256

    c2b9f492d3040c10903ad69bc0f4c72eb7ba586c878fe0c957709c7bbf85d263

  • SHA512

    8635978eb7009859878f57d70a1430ec76f82c49480d858e104719c747476dc473166d37010f4f5df13ae80e7faf6f94865b35aa625102c90914bab88cfdd0fd

  • SSDEEP

    49152:o8w2m+iqJer293Z6DoipFMtdy3uFD6sXfL1qemfWhLXb:oOm+iqkoB+K7XfLMem+9

Malware Config

Extracted

Family

cerberus

C2

http://80.87.195.45

Signatures

  • Cerberus

    An Android banker that is being rented to actors beginning in 2019.

  • Removes its main activity from the application launcher 1 TTPs 2 IoCs
  • Loads dropped Dex/Jar 1 TTPs 2 IoCs

    Runs executable file dropped to the device during analysis.

  • Makes use of the framework's Accessibility service 4 TTPs 3 IoCs

    Retrieves information displayed on the phone screen using AccessibilityService.

  • Queries the phone number (MSISDN for GSM devices) 1 TTPs
  • Performs UI accessibility actions on behalf of the user 1 TTPs 4 IoCs

    Application may abuse the accessibility service to prevent their removal.

  • Queries the mobile country code (MCC) 1 TTPs 1 IoCs
  • Requests changing the default SMS application. 2 TTPs 1 IoCs
  • Requests disabling of battery optimizations (often used to enable hiding in the background). 1 TTPs 1 IoCs
  • Listens for changes in the sensor environment (might be used to detect emulation) 1 TTPs 1 IoCs
  • Registers a broadcast receiver at runtime (usually for listening for system events) 1 TTPs 1 IoCs
  • Checks CPU information 2 TTPs 1 IoCs
  • Checks memory information 2 TTPs 1 IoCs

Processes

  • com.discover.robust
    1⤵
    • Removes its main activity from the application launcher
    • Loads dropped Dex/Jar
    • Makes use of the framework's Accessibility service
    • Performs UI accessibility actions on behalf of the user
    • Queries the mobile country code (MCC)
    • Requests changing the default SMS application.
    • Requests disabling of battery optimizations (often used to enable hiding in the background).
    • Listens for changes in the sensor environment (might be used to detect emulation)
    • Registers a broadcast receiver at runtime (usually for listening for system events)
    • Checks CPU information
    • Checks memory information
    PID:4275
    • /system/bin/dex2oat --instruction-set=x86 --instruction-set-features=ssse3,-sse4.1,-sse4.2,-avx,-avx2,-popcnt --runtime-arg -Xhidden-api-checks --runtime-arg -Xrelocate --boot-image=/system/framework/boot.art --runtime-arg -Xms64m --runtime-arg -Xmx512m --instruction-set-variant=x86 --instruction-set-features=default --inline-max-code-units=0 --compact-dex-level=none --dex-file=/data/user/0/com.discover.robust/app_DynamicOptDex/Oqhf.json --output-vdex-fd=42 --oat-fd=43 --oat-location=/data/user/0/com.discover.robust/app_DynamicOptDex/oat/x86/Oqhf.odex --compiler-filter=quicken --class-loader-context=&
      2⤵
      • Loads dropped Dex/Jar
      PID:4302

Network

MITRE ATT&CK Mobile v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • /data/data/com.discover.robust/app_DynamicOptDex/Oqhf.json

    Filesize

    35KB

    MD5

    f1eb8aa2274b26bc08ce5131f43390c6

    SHA1

    8123c3018ce6bbff86f4c720798543ed64e87255

    SHA256

    07c8e939ed14c98ead8574149b73464b8fff1c5ca0415ab2bc824d10ce0f1581

    SHA512

    5ed42e56ac41c443940b0545b5f7fe1024e5de118f0ab157f1828f7952fa62fc19da489e9d5c863f55a8175cd52d98bd556a4535cfb417ca93c4b70aea10808a

  • /data/data/com.discover.robust/app_DynamicOptDex/Oqhf.json

    Filesize

    35KB

    MD5

    e2a814022c1d7fa66a38b1406a0130ed

    SHA1

    33dbce9df64df78a354e1470d56f347fd1dbb227

    SHA256

    6be9ec6f17d525efb65c16f4db0de01b21a1befaded8a85c5eddf05fa316f5fd

    SHA512

    c1cc496233569bdbcd80b9d82184ed2ff52a0fa6172fb83a3ab67600f76f02eaffaae236e31e29ce4e7557f8194e0f210b471a49596968aec70f8fc3ab43af89

  • /data/data/com.discover.robust/app_DynamicOptDex/oat/Oqhf.json.cur.prof

    Filesize

    225B

    MD5

    63a5ae3cad98b5d084dd5f7f0782b9e3

    SHA1

    82b9e0adcbf41c1b8261efd7b3b826617417cbf9

    SHA256

    5b16921ed7485c9df7ea95bb713f04c5a01e1620822de7ff20bf94bcc15771e4

    SHA512

    552240286353120c746040b97562742db60ed63af09e1a2951c2436f3ece2d5bb106239d35961404f63632dd71b6e1a2744254a860f143084a9d5d752c21fe33

  • /data/user/0/com.discover.robust/app_DynamicOptDex/Oqhf.json

    Filesize

    77KB

    MD5

    1e3f09968496f735650dfb5ebfbc0555

    SHA1

    8f4fcd4795d7c654a4947f3d59d3a21c3622f418

    SHA256

    adaa14124e0ca10a1170a0c62c74e661e7f846ec791cb9ac3f3cb3f147aa0678

    SHA512

    d4794c796038a5b16c159c1dd800a9f8594adf15ea8f41157d4afac5af5d7baee718529fa2fd3101d6c30cc333945c921dfc352770e3263eec7d6f4be3849a35

  • /data/user/0/com.discover.robust/app_DynamicOptDex/Oqhf.json

    Filesize

    77KB

    MD5

    1c1804316a214e9224806f826b10046c

    SHA1

    d28c6e775e47171eebbef8ac2b27c788c8c136fa

    SHA256

    5868eaffe0d1cdae5f65c64e5d90d045cf394fc4a7e4241e87dfb048034cf289

    SHA512

    c5d31f0e3e35657a66cc1f2071be37c47a404557a4f0c06f42f857994934e6372b0606b12293372f250bd91cff050dbaecc909aa6251971c06f062b50f5ef423