Analysis

  • max time kernel
    149s
  • max time network
    152s
  • 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
    27/03/2025, 22:14

General

  • Target

    f513c5995f04be5dc9baec16cbe9a04b8a560c1d94100ff3837ca746176a0d69.apk

  • Size

    2.8MB

  • MD5

    4972723855697fc833791d7de3d816f8

  • SHA1

    cb4588ed5225540951dcb0680471308dda4b54e1

  • SHA256

    f513c5995f04be5dc9baec16cbe9a04b8a560c1d94100ff3837ca746176a0d69

  • SHA512

    e786fb954579a2b04bf2e2b1850e54ef2ddcc8e7f854b826143256be9b61d17f644e74dffb084a06c815ba39578248fb80e462f7c4a966800791c55b28df7311

  • SSDEEP

    49152:WLS5jbOZM4OAFr83F0wOwdfw+uwrnvNFRgeCjcQaDiPSbw6hjYht:JeZJr819OAInwnFFRgT9bShEht

Malware Config

Extracted

Family

teabot

C2

http://185.215.113.108:85/api/

http://37.235.54.59:80/api/

http://193.24.123.18:85/api/

Signatures

  • TeaBot

    TeaBot is an android banker first seen in January 2021.

  • Teabot family
  • Removes its main activity from the application launcher 1 TTPs 1 IoCs
  • Loads dropped Dex/Jar 1 TTPs 3 IoCs

    Runs executable file dropped to the device during analysis.

  • Makes use of the framework's Accessibility service 4 TTPs 2 IoCs

    Retrieves information displayed on the phone screen using AccessibilityService.

  • Queries a list of all the installed applications on the device (Might be used in an attempt to overlay legitimate apps) 1 TTPs
  • Acquires the wake lock 1 IoCs
  • Performs UI accessibility actions on behalf of the user 1 TTPs 7 IoCs

    Application may abuse the accessibility service to prevent their removal.

  • Queries the mobile country code (MCC) 1 TTPs 1 IoCs
  • Requests disabling of battery optimizations (often used to enable hiding in the background). 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.rvfxvqvfo.sqrgdpukb
    1⤵
    • Removes its main activity from the application launcher
    • Loads dropped Dex/Jar
    • Makes use of the framework's Accessibility service
    • Acquires the wake lock
    • Performs UI accessibility actions on behalf of the user
    • Queries the mobile country code (MCC)
    • Requests disabling of battery optimizations (often used to enable hiding in the background).
    • Registers a broadcast receiver at runtime (usually for listening for system events)
    • Checks CPU information
    • Checks memory information
    PID:4222
    • /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.rvfxvqvfo.sqrgdpukb/app_app_dex/srvmjgr.ogu --output-vdex-fd=41 --oat-fd=42 --oat-location=/data/user/0/com.rvfxvqvfo.sqrgdpukb/app_app_dex/oat/x86/srvmjgr.odex --compiler-filter=quicken --class-loader-context=&
      2⤵
      • Loads dropped Dex/Jar
      PID:4248

Network

MITRE ATT&CK Mobile v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • /data/data/com.rvfxvqvfo.sqrgdpukb/app_app_dex/srvmjgr.ogu

    Filesize

    726KB

    MD5

    e72f7654bd363886c4f08bc5e039bb98

    SHA1

    0199e7eb0d4bbf89b8df6fababd0894bdb242915

    SHA256

    cd1a8a7a9ad14cd3f7f76cbc826d9f1b873d9f3d24d67ce5be17e9f38a4b5f23

    SHA512

    658df5cc66c41d5756009cbec6b7ecce4921526deb7bcc82ad2a4f9be781d079d490354baec0440b332883619631b0f087b32a764fc3dad1bf4431f5d5d4853b

  • /data/user/0/com.rvfxvqvfo.sqrgdpukb/app_app_dex/srvmjgr.ogu

    Filesize

    726KB

    MD5

    fce3d3e4006826b915fd1e13ce315613

    SHA1

    40c0468fdd87499bf29f4ec9bcf10a9ca21ee1a2

    SHA256

    0751824a55bd2709327590a966fa8c48e6fc884fd98800bd3429f30161780bee

    SHA512

    c80a0c8ddaf87af912a4333a03cc8034a0b22c4e2938a5e7c2e4ee75004dc825548f4ba5c8379ec9094d48d0f2b92bcf44293e2e032fc584a65c376f55a35ed5