Analysis

  • max time kernel
    87s
  • max time network
    131s
  • platform
    android_x86
  • resource
    android-x86-arm-20240624-en
  • resource tags

    androidarch:armarch:x86image:android-x86-arm-20240624-enlocale:en-usos:android-9-x86system
  • submitted
    18-11-2024 22:05

General

  • Target

    991fbf32c2c1714156b9a7f45188a41ad57ba58546788a96a80ebc7acee17331.apk

  • Size

    1.5MB

  • MD5

    b002261973818d3e103ff930a33892b7

  • SHA1

    d64b695d32362ac870b5769b64b5f4ceb51e1baa

  • SHA256

    991fbf32c2c1714156b9a7f45188a41ad57ba58546788a96a80ebc7acee17331

  • SHA512

    b066f93cb94fe9aeca8e5d4715915d064121b4f2e89fa93b7f9743ccff416bbd49993ff074dd638b448d9d715a1eab337d41d70a40a81d3fab2877219203cc23

  • SSDEEP

    49152:zbIuBmFHNaGr99ruFrWkH/LFiemnWhLHu:zbI6AtaG3rKfH/LsemWg

Malware Config

Extracted

Family

cerberus

C2

http://94.250.253.26

Signatures

  • Cerberus

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

  • Cerberus family
  • 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.return.hello
    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:4259
    • /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.return.hello/app_DynamicOptDex/MWM.json --output-vdex-fd=42 --oat-fd=43 --oat-location=/data/user/0/com.return.hello/app_DynamicOptDex/oat/x86/MWM.odex --compiler-filter=quicken --class-loader-context=&
      2⤵
      • Loads dropped Dex/Jar
      PID:4283

Network

MITRE ATT&CK Mobile v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • /data/data/com.return.hello/app_DynamicOptDex/MWM.json

    Filesize

    35KB

    MD5

    16dae30178e6f71e40979519982dbf77

    SHA1

    b72264b10e4778b36876f53ac2c3f9bcaa8c9805

    SHA256

    ce28b23fc77f674a0ad21cc5e501f9a10ae60642f70a8fce52e3d40f788cdf22

    SHA512

    c517c052920453225cfd7e6b442c7f74cc8028ab41bab39a3c5aaa97f8040d86e286f50e46b60b912236e6c1b27a880042e6b45c0d16b0631b8a6fa4f6a98cb8

  • /data/data/com.return.hello/app_DynamicOptDex/MWM.json

    Filesize

    35KB

    MD5

    60d4add23b23ee17a47269f85ada7dca

    SHA1

    ab6a7852255261782d19c406e369671b888bf2c4

    SHA256

    fa75eae1e3e6b8140ac9241e80edada9ee14f00a02a8a093e0cf51a5fef0eee6

    SHA512

    f03e45720d67afdf625c9da38dc87f72d9a23488ff51407d1ec813d8227512ccfac75041bbdc390f0601b78b29a4e490e5aedde625f42f69fecae23dae608e35

  • /data/data/com.return.hello/app_DynamicOptDex/oat/MWM.json.cur.prof

    Filesize

    239B

    MD5

    84bd7a5c88a155d65794b644f81e30e9

    SHA1

    db93cbdb11ad8b5d3aaacdd9866fb133d83ccd42

    SHA256

    35196285079ced5c243eb0df46a7bad956779939e1b93a9468dd1bb0e9df6ae6

    SHA512

    af912997f2e3374e03d7cf110decaf9ad409bab4196764e626179b8082c41840983bb13000afdc1635d7087cae63c2dcd074b029f2558145a7f4dd3da34aee2b

  • /data/user/0/com.return.hello/app_DynamicOptDex/MWM.json

    Filesize

    77KB

    MD5

    9dfa580aa93694ae97b83ecb5cfa9ff5

    SHA1

    b17c51cbd1dad8b069e2ac3adab7fccfd6bd624f

    SHA256

    caaa953fc8d5eb5d2cbac6e280ed76c7e3ddaa2f0f4eb2ed5e7d58b7b7015ddf

    SHA512

    22c51103d9bdf7997ccb6557c92613f431b9c643a1825d4264fd4767a0f1f8e66b8f2719ccbcda1bf5aae2c9448729212e722b6d9091a4f1c7eb6cb6bdb034fb

  • /data/user/0/com.return.hello/app_DynamicOptDex/MWM.json

    Filesize

    77KB

    MD5

    fbfec32963eec74794d898179aee8b56

    SHA1

    cc98bdf6e6fc12d7fb8ec6caf36d7b0cb35f7ca6

    SHA256

    d15f4935437ed4422d98c2c68a1d352a781300349596adba217d9b2b94e2eca9

    SHA512

    f846a87654034a0e00044859e354598e244d4d52c0af1bc9240b143c566919c0aa108baaeb9bf24e8c030f973b1202c417e82d72db7b0b045ba2371fdc5c1bfe