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Analysis

  • max time kernel
    87s
  • max time network
    130s
  • 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
    18/01/2025, 22:11

General

  • Target

    7c695c6392725a37a2c3de19211e1c3bc03c87715897d044adbe00360e2a62e9.apk

  • Size

    1.5MB

  • MD5

    a78bf373c2c15968e62ebb3318983d36

  • SHA1

    c5ba84594c2880c42826d56fcad4a01cd4ba958c

  • SHA256

    7c695c6392725a37a2c3de19211e1c3bc03c87715897d044adbe00360e2a62e9

  • SHA512

    7f5aab2a4ae23c1034790aa1d54a2addaa5491a7a7158617ef0fd4377b2a5b050fb72fc833ccdde6bd495c4728457669786b87c78ce10f94bcccd97748d4e2f9

  • SSDEEP

    24576:B8qSi0R8g3097jprmXunEw+6c/E6CH0MGgJZ99Vb0X9LofIbx343siMZMMGp0xAH:LprEunEws/E6CH0MGWZHVbELVR4aWH0E

Malware Config

Extracted

Family

cerberus

C2

http://62.109.13.217/

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.neither.gym
    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:4256
    • /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.neither.gym/app_DynamicOptDex/LFYTpH.json --output-vdex-fd=42 --oat-fd=43 --oat-location=/data/user/0/com.neither.gym/app_DynamicOptDex/oat/x86/LFYTpH.odex --compiler-filter=quicken --class-loader-context=&
      2⤵
      • Loads dropped Dex/Jar
      PID:4281

Network

MITRE ATT&CK Mobile v15

Replay Monitor

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Downloads

  • /data/data/com.neither.gym/app_DynamicOptDex/LFYTpH.json

    Filesize

    64KB

    MD5

    9ee5d95e058633c875c141446592a722

    SHA1

    bbb0486d9de29f5429a873d2e1627813c228447c

    SHA256

    d134d7b805f67ed05f1caccdca35aaec06dbe1f424dab48a0e9b896fa37fc621

    SHA512

    dc1b5ef057be6bcca4bcd43b6bc9fbc321c771e16b4f9ad30b199659a89dddc3245cddda6febd45b579059f57baceb5daa15475defcf0397e3cd812c9093a956

  • /data/data/com.neither.gym/app_DynamicOptDex/LFYTpH.json

    Filesize

    64KB

    MD5

    110202b5ce42b3969c51698b838b9ad7

    SHA1

    78ad6063fdd4d7be0b581e382911fb86ff814f43

    SHA256

    3001b05c0b0a4437aaa53f25354cb33baead8318c3adb3f981627247cb02178f

    SHA512

    65022ef0df30e85422d7a779965bdb5463cad78fe3ca2a0d233ffcdce7c3eb8d82af3cfcb834e76c68b8ff8ee43c6968936cc1e7a36d67bf98310720852b3f7d

  • /data/data/com.neither.gym/app_DynamicOptDex/oat/LFYTpH.json.cur.prof

    Filesize

    240B

    MD5

    6e92aaf5cdd415d2c20898a1962aa46b

    SHA1

    99eb68f4e0851bb417b52591a1085d1f1da1083b

    SHA256

    2e055c9211409657af026d8c0bb0f8393915f00fcc164d3f576f68b177ba5ab7

    SHA512

    d27cd19d857bafd73204823e3dbe99126f77298067c99b9d26f8db7b4a81ad437e3c7c0d2318bce4bd5435b66e656e2126f9eaa5b39ec320e072db661b36900a

  • /data/user/0/com.neither.gym/app_DynamicOptDex/LFYTpH.json

    Filesize

    118KB

    MD5

    08bd88dd5903ca14972c52cc5f893253

    SHA1

    e45453a3909f393567e5c95a27e175717d0adfef

    SHA256

    2774d6a67dba2e13e6460430297b68fd5bc2f1b8d000094eeec79bb2c45aed10

    SHA512

    5fb306c8f79a743f408abc24817c72830e6239eba7341f142959a74db084ad2991bfa6c9e2fbcdf38d260991e2da86cc4a6f12f94c546b4e1d52f3454ac67192

  • /data/user/0/com.neither.gym/app_DynamicOptDex/LFYTpH.json

    Filesize

    118KB

    MD5

    4c547b8533f6d0c8b84a52f8fbc4ad13

    SHA1

    d8be8c20aca6d7a9348e221ad213555afcddb7e6

    SHA256

    02d27d45c00f8af66aa0137dea77072fba44d0fe2aa6dd7d09106442df9e805d

    SHA512

    6e1de7950ef6df1b0fe088d74b225fed8097abc917bf37ef9305fed5261b3908d3907ce37cd8a0dbb72f7d5e3f4dc231892853914b6077d659fee9d8d9a6f151