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
    10-04-2024 21:25

General

  • Target

    ec05ba8e2cc3cbbccfc1078fab5a83c0_JaffaCakes118.exe

  • Size

    742KB

  • MD5

    ec05ba8e2cc3cbbccfc1078fab5a83c0

  • SHA1

    ee376474ade8a98dd431fc250f21e267a0894cb8

  • SHA256

    6237c749f929fd924e2ea3869889e290e49feadcea431a036978bad8b990212e

  • SHA512

    c3ba3deed9cbaad3c60a219e114e1bdda1236817c8db9cf746359d2ee244b9e64e78f828c8e65950a6bb9e12b391864db9d4e2bb32e95eed14353acef2f213eb

  • SSDEEP

    12288:VAwSfxL/2Dc3vDLLmt0LDQewsHj1+EnjYB2ITEFGnFYAcX+mbMoFGQ:2+ewsHj1+2jsEFqy9X+sMoF9

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\ec05ba8e2cc3cbbccfc1078fab5a83c0_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\ec05ba8e2cc3cbbccfc1078fab5a83c0_JaffaCakes118.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:2000
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 2000 -s 124
      2⤵
      • Program crash
      PID:1940

Network

MITRE ATT&CK Matrix

Replay Monitor

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Downloads

  • memory/2000-1-0x0000000000FB0000-0x0000000001103000-memory.dmp

    Filesize

    1.3MB

  • memory/2000-0-0x0000000000FB0000-0x0000000001103000-memory.dmp

    Filesize

    1.3MB

  • memory/2000-2-0x0000000000FB0000-0x0000000001103000-memory.dmp

    Filesize

    1.3MB