Analysis

  • max time kernel
    147s
  • max time network
    152s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240412-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240412-enlocale:en-usos:windows10-2004-x64system
  • submitted
    15-04-2024 06:25

General

  • Target

    efca5b4c5fd58b63d0849b344da07356_JaffaCakes118.exe

  • Size

    221KB

  • MD5

    efca5b4c5fd58b63d0849b344da07356

  • SHA1

    0be9545f57a170eb96b7c8ff42c6c7e00a155d28

  • SHA256

    8ff242a5decf90c7a1a9f98e621d347c0c8923d23d58b866713001676c00da60

  • SHA512

    18f48f41c2015688c1b40759df4d5add5eb3b663cf195c49dc7408b4c2c8db0dbb7adf3926aad4f258ae8c9cedfbe4f3d52e4c0898951c97c526c3970857ba79

  • SSDEEP

    6144:zDzwcnJ67K/a/E6znok3VY3tGYG3nrFzWqmoz6:zZ6p5zoQ63GKq

Score
10/10

Malware Config

Signatures

  • Expiro, m0yv

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

  • Expiro payload 2 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Modifies registry class 13 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\efca5b4c5fd58b63d0849b344da07356_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\efca5b4c5fd58b63d0849b344da07356_JaffaCakes118.exe"
    1⤵
    • Modifies registry class
    PID:3196
  • C:\Windows\System32\rundll32.exe
    C:\Windows\System32\rundll32.exe C:\Windows\System32\shell32.dll,SHCreateLocalServerRunDll {9aa46009-3ce0-458a-a354-715610a075e6} -Embedding
    1⤵
      PID:180

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • memory/3196-0-0x0000000001000000-0x0000000001084000-memory.dmp

      Filesize

      528KB

    • memory/3196-1-0x0000000001000000-0x0000000001084000-memory.dmp

      Filesize

      528KB

    • memory/3196-2-0x0000000001000000-0x0000000001084000-memory.dmp

      Filesize

      528KB