Windows 7 deprecation

Windows 7 will be removed from tria.ge on 2025-03-31

Analysis

  • max time kernel
    55s
  • max time network
    158s
  • 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
    21/01/2025, 22:02

General

  • Target

    a2f0035866dc38ec81015a5a7a811ef3a1ece46f6b468d49cc6a0cfa229a7bb8.apk

  • Size

    1.6MB

  • MD5

    1c8099406399e8553e2ef70136d1ed36

  • SHA1

    ec3baa23bb957eaa54d4346767f147948c69df84

  • SHA256

    a2f0035866dc38ec81015a5a7a811ef3a1ece46f6b468d49cc6a0cfa229a7bb8

  • SHA512

    65eb1f4fad0b1a5b71b472f8fdfb0131bac2d6267e19ec92d2922b4c6f8319b135928c8da99abebea39f924a3d514548520e13bdda4158d34dd3982d6f4e2cb3

  • SSDEEP

    49152:Xo2KkY4WubyhEVLVpEH1y40pt45qTG0ML20:WE1CUpEPC0

Malware Config

Extracted

Family

cerberus

C2

http://188.120.225.180/

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.hamster.rib
    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:4219
    • /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.hamster.rib/app_DynamicOptDex/xrXT.json --output-vdex-fd=42 --oat-fd=43 --oat-location=/data/user/0/com.hamster.rib/app_DynamicOptDex/oat/x86/xrXT.odex --compiler-filter=quicken --class-loader-context=&
      2⤵
      • Loads dropped Dex/Jar
      PID:4245

Network

MITRE ATT&CK Mobile v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • /data/data/com.hamster.rib/app_DynamicOptDex/oat/xrXT.json.cur.prof

    Filesize

    223B

    MD5

    cd726263e1b42242bf2ff4d8f84736c5

    SHA1

    c3652a960629d2ecaabf677b5165b24250271abe

    SHA256

    9e5852bc9b3a71ae9c99ea330659c101cfcb7e52660481987083f482c7d6f6fa

    SHA512

    f52fa1ac771c7fabd157e75d8f2d3fce433526c3c3e9a1eabdb11b2a1ab59d4cda203c8b90bc8c2fd5079824d36b43d638fe0ad11cddd6077c4f49e4f496d2e8

  • /data/data/com.hamster.rib/app_DynamicOptDex/xrXT.json

    Filesize

    64KB

    MD5

    3e17739c1eb413ae5f0cb4f4058156be

    SHA1

    315c7465c0ab22932767cf77ae58a40efe383936

    SHA256

    f3d18a804d09656b2bfe81f2cb9b3e5bbdc332f92ae881ec32e47e9b9c237164

    SHA512

    915fde1a5b64fe05afca8ae0e7300c7606ad3eb37c63068d4550042a5b58e0536c59f6dbf1f9dfb8c661354b51177a8d179c6607fa032a305f011913152dff09

  • /data/data/com.hamster.rib/app_DynamicOptDex/xrXT.json

    Filesize

    64KB

    MD5

    055a55bc934906b8a2d02005e0fcc093

    SHA1

    0ef03069e61dc6f0659de488897100067b40c651

    SHA256

    6569f5543333ca6f34dafe14dbf973e7e7b5ac1fdb4b01c697039f299f5b63e8

    SHA512

    1c35ef4b16d583909b1dc40d883611b8fee03838d46e000b0d68b664522a0d352095728fa4e10c46e946655b4478b997da57167419ca025b609eaa6264c47ef7

  • /data/user/0/com.hamster.rib/app_DynamicOptDex/xrXT.json

    Filesize

    118KB

    MD5

    99700ea31627a7e6a880e347ffcc7380

    SHA1

    8497699a5570b57e790bdaa94a520c2e08bcc7a7

    SHA256

    13718a6ee715c7df272860b16507e429c31a1d57f28049d6f30cfce00856b29b

    SHA512

    f935ed9c81e362fc2e2c54853fd573aa2cba89456d125995b3c10e45f0c027319c0b2734649bbb5f522cf757a87babbb77c5c43f5e02b4aed7fdcfbb5e0e1892

  • /data/user/0/com.hamster.rib/app_DynamicOptDex/xrXT.json

    Filesize

    118KB

    MD5

    db06c1ec59829a13509af9b81aa47881

    SHA1

    1fc471dd01410676aac988badab9e636b9948f2b

    SHA256

    81ed5dbd3f672f61f1b04d96b413cc4a0406572427dc88356f6be5ba15f65cdc

    SHA512

    45dec5a2124e30a63f672fd047a66b6d47537cebc964ec5f6939fe1c9636ff569151a0f03ae43b8b3f427bb3331ce309c4effa160249b852a538817e69fb6132