Analysis

  • max time kernel
    93s
  • max time network
    149s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    05/01/2025, 05:14

General

  • Target
    JaffaCakes118_8db9aab317b07df2d6f1ca1a3e374ba9.exe
  • Size 437KB
  • Sample250105-fxfngavpam
  • SHA256 96bb8fff7101f2de7a2661b7b9ca6883e6d90cea45b56c8336c0a3b12f884306
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Signatures

  • Expiro family
  • 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\JaffaCakes118_8db9aab317b07df2d6f1ca1a3e374ba9.exe
    "C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_8db9aab317b07df2d6f1ca1a3e374ba9.exe"
    1⤵
    • System Location Discovery: System Language Discovery
    PID:4804
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 4804 -s 476
      2⤵
      • Program crash
      PID:3260
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 4804 -ip 4804
    1⤵
      PID:3148

    Network

          MITRE ATT&CK Enterprise v15

          Replay Monitor

          Loading Replay Monitor...

          Downloads

          memory/4804-0-0x0000000000530000-0x00000000005C4000-memory.dmp

          memory/4804-1-0x00000000004C0000-0x00000000005C4000-memory.dmp

          memory/4804-2-0x0000000000530000-0x00000000005C4000-memory.dmp

          memory/4804-3-0x00000000004C0000-0x00000000005C4000-memory.dmp