Analysis

  • max time kernel
    94s
  • max time network
    95s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    03/01/2025, 02:50

General

  • Target
    JaffaCakes118_69c7ad2356804730f52e986ee29c54a0.exe
  • Size 768KB
  • Sample250103-dbvt6awngt
  • SHA256 4ff161385d98342b9bb23c075c59a43d40605fba3048b66cb368b8b4a7b17769
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Signatures

  • Expiro family
  • Expiro, m0yv

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

  • Expiro payload 1 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_69c7ad2356804730f52e986ee29c54a0.exe
    "C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_69c7ad2356804730f52e986ee29c54a0.exe"
    1⤵
    • System Location Discovery: System Language Discovery
    PID:4616
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 4616 -s 344
      2⤵
      • Program crash
      PID:928
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 4616 -ip 4616
    1⤵
      PID:4572

    Network

          MITRE ATT&CK Enterprise v15

          Replay Monitor

          Loading Replay Monitor...

          Downloads

          memory/4616-0-0x0000000000400000-0x0000000000682000-memory.dmp

          memory/4616-1-0x0000000000401000-0x0000000000402000-memory.dmp

          memory/4616-2-0x0000000000400000-0x0000000000682000-memory.dmp