Analysis

  • max time kernel
    121s
  • max time network
    125s
  • platform
    windows7_x64
  • resource
    win7-20240221-en
  • resource tags

    arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
  • submitted
    17-04-2024 10:19

General

  • Target

    f58bb4eef7f265e5df8fb1006056ac49_JaffaCakes118.exe

  • Size

    417KB

  • MD5

    f58bb4eef7f265e5df8fb1006056ac49

  • SHA1

    214641f2aa88d64b191b7bd3cb8275c7651554c6

  • SHA256

    f6b32eb66bef73fd5654269f549f41b3114e52b2713bc0b749036e7bfae90c47

  • SHA512

    585d00e549b42c630af38143ce6914221cc5649f6adc58eff9bd1d9fc9cad5eaac0002570b741a9dbecb8642d04920435dd73aadeffcac1faca9a5937b4f4fc6

  • SSDEEP

    6144:vSpwTEOzPSK5U2SoJ8VWackcV1ZmXRWLgKocUq8nOfaIROo71YvK09lw+45B:6+IK5U2SoysXmwLQcUqgsPBYv745B

Score
10/10

Malware Config

Signatures

  • Expiro, m0yv

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

  • Expiro payload 3 IoCs
  • Program crash 1 IoCs
  • Suspicious use of WriteProcessMemory 4 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\f58bb4eef7f265e5df8fb1006056ac49_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\f58bb4eef7f265e5df8fb1006056ac49_JaffaCakes118.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:2068
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 2068 -s 68
      2⤵
      • Program crash
      PID:2696

Network

MITRE ATT&CK Matrix

Replay Monitor

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Downloads

  • memory/2068-0-0x0000000000020000-0x000000000011F000-memory.dmp

    Filesize

    1020KB

  • memory/2068-1-0x0000000000020000-0x000000000011F000-memory.dmp

    Filesize

    1020KB

  • memory/2068-2-0x0000000000020000-0x000000000011F000-memory.dmp

    Filesize

    1020KB