Analysis

  • max time kernel
    117s
  • max time network
    117s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    10-01-2025 05:06

General

  • Target

    JaffaCakes118_dbac576015f705c1b45efb39261cc0f6.exe

  • Size

    415KB

  • MD5

    dbac576015f705c1b45efb39261cc0f6

  • SHA1

    a12956af53f3226a05ec02cd9d949db90bbf8e85

  • SHA256

    dc76ae19bce12384ea967df5a37fb4289bae3a3fb7267036fcedca9938bd157e

  • SHA512

    e2b7f52e99e2d489fa1fce872568ccb06bf89f31855ed4f2ee2091861400bfbf36f4741c3874145a06075dd1bb3a4032fe90c418802ab030af823b33b9458214

  • SSDEEP

    6144:t+xZ1TBULRpV0C7+mStAbZvkSZZUk6XS4Xp9dqv786qH2h3ghmJju72d11ZVwTgh:otB8RpV0Cam5vkYACa9dMOJSjld1SA

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.

  • Suspicious use of WriteProcessMemory 4 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_dbac576015f705c1b45efb39261cc0f6.exe
    "C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_dbac576015f705c1b45efb39261cc0f6.exe"
    1⤵
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:2096
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 2096 -s 64
      2⤵
      • Program crash
      PID:2452

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • memory/2096-0-0x000000000011B000-0x00000000001AE000-memory.dmp

    Filesize

    588KB

  • memory/2096-1-0x00000000000B0000-0x00000000001AE000-memory.dmp

    Filesize

    1016KB

  • memory/2096-2-0x000000000011B000-0x00000000001AE000-memory.dmp

    Filesize

    588KB

  • memory/2096-3-0x00000000000B0000-0x00000000001AE000-memory.dmp

    Filesize

    1016KB