Analysis

  • max time kernel
    119s
  • max time network
    123s
  • platform
    windows7_x64
  • resource
    win7-20240221-en
  • resource tags

    arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
  • submitted
    17-04-2024 00:12

General

  • Target

    f4a239b50820825fb1c52aa4ebea2d7e_JaffaCakes118.exe

  • Size

    476KB

  • MD5

    f4a239b50820825fb1c52aa4ebea2d7e

  • SHA1

    5b77955417eed0a5d16670e8d6ad61dda2ac075f

  • SHA256

    8560f0d726398fafd868b28403ccd79f32eaa3adc4c7f9289519bfe52dcfed25

  • SHA512

    cccea7350b26c794e0f5cfee6c1d1bcbd5db9ed2786064721329201d8d907c7acc0f3d65f90f583617d1b221f192325b58feb816dae2032a11ff73527e55faa7

  • SSDEEP

    12288:QYmIjE7eNdKcWEbE2Ubr4TgyUbZm6qCs8e/G:w7eNAYbE2Ub8T5geL

Score
10/10

Malware Config

Signatures

  • Expiro, m0yv

    Expiro aka m0yv is a multi-functional backdoor written in C++.

  • Expiro payload 3 IoCs
  • Program crash 1 IoCs
  • Suspicious use of WriteProcessMemory 4 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\f4a239b50820825fb1c52aa4ebea2d7e_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\f4a239b50820825fb1c52aa4ebea2d7e_JaffaCakes118.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:2340
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 2340 -s 144
      2⤵
      • Program crash
      PID:2980

Network

MITRE ATT&CK Matrix

Replay Monitor

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Downloads

  • memory/2340-0-0x0000000000890000-0x000000000099F000-memory.dmp

    Filesize

    1.1MB

  • memory/2340-1-0x0000000000890000-0x000000000099F000-memory.dmp

    Filesize

    1.1MB

  • memory/2340-2-0x0000000000890000-0x000000000099F000-memory.dmp

    Filesize

    1.1MB