Analysis

  • max time kernel
    121s
  • max time network
    124s
  • platform
    windows7_x64
  • resource
    win7-20240319-en
  • resource tags

    arch:x64arch:x86image:win7-20240319-enlocale:en-usos:windows7-x64system
  • submitted
    17-04-2024 10:56

General

  • Target

    f59c7f968b7af0b65e3944acf921106f_JaffaCakes118.exe

  • Size

    734KB

  • MD5

    f59c7f968b7af0b65e3944acf921106f

  • SHA1

    15d0c863215c8d9d07b5514a35fc72cc4495865b

  • SHA256

    742c592f403e6ca27a661bce036058d6f2d1505ccf8f470f2c81c82e1ab675d6

  • SHA512

    99d1ebc560e6ec9faaf17b949babf7e8a792e60bd0652a31ff2b3fc881cf69853dd4e3b0366fc8761e0b9116b319b9472163476993a0fe8230cfe638d6c97269

  • SSDEEP

    12288:JAwSfxL/2Dc3oDLLmt0LDQewsHjGwdoc4Zlp0pGq+vMZziV17kRiap:6ZewsHjOZlp0pGq/ziD8

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\f59c7f968b7af0b65e3944acf921106f_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\f59c7f968b7af0b65e3944acf921106f_JaffaCakes118.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:2324
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 2324 -s 124
      2⤵
      • Program crash
      PID:2880

Network

MITRE ATT&CK Matrix

Replay Monitor

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Downloads

  • memory/2324-0-0x0000000001220000-0x000000000130E000-memory.dmp

    Filesize

    952KB

  • memory/2324-1-0x0000000001220000-0x000000000130E000-memory.dmp

    Filesize

    952KB

  • memory/2324-2-0x0000000001220000-0x000000000130E000-memory.dmp

    Filesize

    952KB