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Analysis

  • max time kernel
    14s
  • max time network
    18s
  • platform
    windows7_x64
  • resource
    win7-20241010-en
  • resource tags

    arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system
  • submitted
    03/01/2025, 02:50

General

  • Target

    JaffaCakes118_69c7ad2356804730f52e986ee29c54a0.exe

  • Size

    768KB

  • MD5

    69c7ad2356804730f52e986ee29c54a0

  • SHA1

    33629b933354c2eacaa9a64d8367a0d0fd6eafdb

  • SHA256

    4ff161385d98342b9bb23c075c59a43d40605fba3048b66cb368b8b4a7b17769

  • SHA512

    d80e668953ba6d5d35a7b3ff47eb08254bf6968a6350207a948d8a6e1365b9da949773f751a482647c114ba581f573b3bd65bd1b60336c613e21a1f242697681

  • SSDEEP

    12288:VKPaGOUvDGBmEnO7D9JcmrZS5f73+TZuZ7SN8UgSucVusyi9alrcI3u:IPaGKBVO7DP7873iZuYaWucEsJEcI

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.

  • Suspicious use of WriteProcessMemory 4 IoCs

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
    • Suspicious use of WriteProcessMemory
    PID:2568
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 2568 -s 128
      2⤵
      • Program crash
      PID:2204

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • memory/2568-0-0x0000000000400000-0x0000000000682000-memory.dmp

    Filesize

    2.5MB

  • memory/2568-1-0x0000000000401000-0x0000000000402000-memory.dmp

    Filesize

    4KB

  • memory/2568-2-0x0000000000400000-0x0000000000682000-memory.dmp

    Filesize

    2.5MB