Analysis

  • max time kernel
    146s
  • max time network
    126s
  • platform
    windows7_x64
  • resource
    win7-20220901-en
  • resource tags

    arch:x64arch:x86image:win7-20220901-enlocale:en-usos:windows7-x64system
  • submitted
    13-11-2022 21:06

General

  • Target

    623eeeaa50222b04c502c65aa6fee5342c4640a10b50c882b388fdeda0f21478.exe

  • Size

    1.0MB

  • MD5

    0e335176322ed484a6db9a8678128e30

  • SHA1

    ef51c705553bf0a557ac094e56800c14df8d024b

  • SHA256

    623eeeaa50222b04c502c65aa6fee5342c4640a10b50c882b388fdeda0f21478

  • SHA512

    1061dc80304c6a88bc3251c06a65a3e22f128421f0bfeaaf782667f9aa901558fe94af68f0f64a630d7e42e0c0be74064c2208ceebad42fdce53453b75aa4937

  • SSDEEP

    24576:EEsZg89x5NU+wnzihMeDfWmASWKBzTXBfxztO9gqWLAh6IDyI:EEsJnEevhTHZOylAkiyI

Malware Config

Signatures

  • joker

    Joker is an Android malware that targets billing and SMS fraud.

  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

  • Modifies Internet Explorer settings 1 TTPs 14 IoCs
  • Modifies registry class 10 IoCs
  • Modifies system certificate store 2 TTPs 14 IoCs
  • Suspicious use of AdjustPrivilegeToken 4 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\623eeeaa50222b04c502c65aa6fee5342c4640a10b50c882b388fdeda0f21478.exe
    "C:\Users\Admin\AppData\Local\Temp\623eeeaa50222b04c502c65aa6fee5342c4640a10b50c882b388fdeda0f21478.exe"
    1⤵
    • Modifies Internet Explorer settings
    • Modifies registry class
    • Modifies system certificate store
    • Suspicious use of SetWindowsHookEx
    PID:1380
  • C:\Windows\system32\AUDIODG.EXE
    C:\Windows\system32\AUDIODG.EXE 0x570
    1⤵
    • Suspicious use of AdjustPrivilegeToken
    PID:1272

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • memory/1380-54-0x00000000757A1000-0x00000000757A3000-memory.dmp

    Filesize

    8KB