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Analysis

  • max time kernel
    122s
  • max time network
    126s
  • platform
    windows7_x64
  • resource
    win7-20240221-en
  • resource tags

    arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
  • submitted
    09/04/2024, 16:57

General

  • Target

    ea783ac96b335efd74756a84f3d64215_JaffaCakes118.exe

  • Size

    476KB

  • MD5

    ea783ac96b335efd74756a84f3d64215

  • SHA1

    0002d031a384af295716a24ead55cfd900efbb34

  • SHA256

    248ad1e3c0b9078006a48fe793f75362a435addff3386fe02f18d4c4331d08aa

  • SHA512

    6deeeef2bb719b08c008fba14aae3dfc64ea28cdf8b97e88c45360dcd0239c9e1a61144eabb84505ee6be6193f49034c572f5072c3893e95ac15c06f18c91bb6

  • SSDEEP

    12288:KYmIjE7eNdKcWEbr2Ubr4TgyUbZm6qCs8e/G:m7eNAYbr2Ub8T5geL

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\ea783ac96b335efd74756a84f3d64215_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\ea783ac96b335efd74756a84f3d64215_JaffaCakes118.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:1948
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 1948 -s 144
      2⤵
      • Program crash
      PID:1144

Network

MITRE ATT&CK Matrix

Replay Monitor

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Downloads

  • memory/1948-0-0x0000000000BC0000-0x0000000000CCF000-memory.dmp

    Filesize

    1.1MB

  • memory/1948-1-0x0000000000BC0000-0x0000000000CCF000-memory.dmp

    Filesize

    1.1MB

  • memory/1948-2-0x0000000000BC0000-0x0000000000CCF000-memory.dmp

    Filesize

    1.1MB