Analysis

  • max time kernel
    117s
  • max time network
    121s
  • platform
    windows7_x64
  • resource
    win7-20240221-en
  • resource tags

    arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
  • submitted
    16-04-2024 08:19

General

  • Target

    f313d3e6c2801f793fcc4a28f0f9cab6_JaffaCakes118.exe

  • Size

    742KB

  • MD5

    f313d3e6c2801f793fcc4a28f0f9cab6

  • SHA1

    848adce4488e0fa51f138e9b474d884a6e0a996a

  • SHA256

    4c364520eb3460b2b770570f16569e7cc422ee282afd706ab7aed05fb3eddc59

  • SHA512

    14f9e5c2764e753e5a7f7d3ffb8897b5581c403e08b04b3300054ffe815ca93c30ab23daebb4e133cebe051b7e86df9c3f8c48a1768fb56b8a6a32ba7122a446

  • SSDEEP

    12288:2AwSfxL/2Dc3vDLLmt0LDQewsHj1+EnjYB2PTEFGnFYAcX+mbMoFGQ:L+ewsHj1+2jhEFqy9X+sMoF9

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\f313d3e6c2801f793fcc4a28f0f9cab6_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\f313d3e6c2801f793fcc4a28f0f9cab6_JaffaCakes118.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:3044
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 3044 -s 124
      2⤵
      • Program crash
      PID:2848

Network

MITRE ATT&CK Matrix

Replay Monitor

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Downloads

  • memory/3044-0-0x0000000000990000-0x0000000000AE3000-memory.dmp

    Filesize

    1.3MB

  • memory/3044-1-0x0000000000990000-0x0000000000AE3000-memory.dmp

    Filesize

    1.3MB

  • memory/3044-2-0x0000000000990000-0x0000000000AE3000-memory.dmp

    Filesize

    1.3MB