Analysis

  • max time kernel
    93s
  • max time network
    95s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    09/09/2024, 05:00

General

  • Target

    d5b0d98e788fdede4ad2472a18b4d508_JaffaCakes118.exe

  • Size

    7.3MB

  • MD5

    d5b0d98e788fdede4ad2472a18b4d508

  • SHA1

    4644d73f4509794996078c6652b9bd3f1e0667f4

  • SHA256

    d39241c692b5f612e9ccb11119fa3cdd3e4076170bac9ed929925116edfc135f

  • SHA512

    97db6e0b1ab033db205570f07e0a3fdec3bd8099d6531a042dba4926d9037b58ef750d84a66476d07f2ff02227e51b1b596efab2af71586976c19e6770457ed3

  • SSDEEP

    98304:pxC3ud6MOIvysiwCQKzo5qphIHVruP3WpF3UdE1hZHEdLFwmil+:uGQFMkhgJuP32+dmhZk/m

Malware Config

Signatures

  • Expiro, m0yv

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

  • Expiro payload 4 IoCs
  • Program crash 1 IoCs
  • System Location Discovery: System Language Discovery 1 TTPs 1 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

Processes

  • C:\Users\Admin\AppData\Local\Temp\d5b0d98e788fdede4ad2472a18b4d508_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\d5b0d98e788fdede4ad2472a18b4d508_JaffaCakes118.exe"
    1⤵
    • System Location Discovery: System Language Discovery
    PID:4608
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 4608 -s 424
      2⤵
      • Program crash
      PID:1200
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 416 -p 4608 -ip 4608
    1⤵
      PID:3508

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • memory/4608-0-0x000000000152E000-0x00000000015C1000-memory.dmp

      Filesize

      588KB

    • memory/4608-1-0x0000000000DE0000-0x00000000015C1000-memory.dmp

      Filesize

      7.9MB

    • memory/4608-2-0x000000000152E000-0x00000000015C1000-memory.dmp

      Filesize

      588KB

    • memory/4608-3-0x0000000000DE0000-0x00000000015C1000-memory.dmp

      Filesize

      7.9MB