Analysis

  • max time kernel
    94s
  • max time network
    126s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    13/08/2024, 19:35

General

  • Target
    9472954d549b536eef8472fb72b41606_JaffaCakes118.exe
  • Size 417KB
  • Sample240813-yazf6ssdmf
  • SHA256 492692423d208c82fa5f9dbf1ccc332643680ac461df4e159ab1a2018da28ee7
  • MD5 SHA1 SHA512 SSDEEP

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\9472954d549b536eef8472fb72b41606_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\9472954d549b536eef8472fb72b41606_JaffaCakes118.exe"
    1⤵
    • System Location Discovery: System Language Discovery
    PID:2948
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 2948 -s 252
      2⤵
      • Program crash
      PID:4220
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 2948 -ip 2948
    1⤵
      PID:3992

    Network

          MITRE ATT&CK Enterprise v15

          Replay Monitor

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          Downloads

          memory/2948-0-0x0000000000D1C000-0x0000000000DAF000-memory.dmp

          memory/2948-1-0x0000000000CB0000-0x0000000000DAF000-memory.dmp

          memory/2948-2-0x0000000000D1C000-0x0000000000DAF000-memory.dmp

          memory/2948-3-0x0000000000CB0000-0x0000000000DAF000-memory.dmp