Analysis

  • max time kernel
    140s
  • max time network
    114s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    17/08/2024, 07:58

General

  • Target

    a1c0655c8797b178b9246e1ca5c83919_JaffaCakes118.exe

  • Size

    784KB

  • MD5

    a1c0655c8797b178b9246e1ca5c83919

  • SHA1

    8cadcece9f230037fb73ca03c19f7bac7ea9e4b6

  • SHA256

    13d93002f40e868171059c121509f16f38910f5c90b29f5931375995cc072c6d

  • SHA512

    e335e32bd8c6c66bdd4362af43d5af5c66798b3fb1d1aa1e9c6ab0ac2a68bf6a69bc568408235d9358440f31ebc203025d94ebd46df355801268fed40a27dc0d

  • SSDEEP

    24576:hySYJNUEyMLdKk4petB3ojKOA7H2ZD3De7:Ul2MhlqK77HcDg

Malware Config

Signatures

  • xmrig

    XMRig is a high performance, open source, cross platform CPU/GPU miner.

  • XMRig Miner payload 6 IoCs
  • Deletes itself 1 IoCs
  • Executes dropped EXE 1 IoCs
  • UPX packed file 3 IoCs

    Detects executables packed with UPX/modified UPX open source packer.

  • System Location Discovery: System Language Discovery 1 TTPs 2 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Suspicious behavior: RenamesItself 1 IoCs
  • Suspicious use of UnmapMainImage 2 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\a1c0655c8797b178b9246e1ca5c83919_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\a1c0655c8797b178b9246e1ca5c83919_JaffaCakes118.exe"
    1⤵
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: RenamesItself
    • Suspicious use of UnmapMainImage
    • Suspicious use of WriteProcessMemory
    PID:3184
    • C:\Users\Admin\AppData\Local\Temp\a1c0655c8797b178b9246e1ca5c83919_JaffaCakes118.exe
      C:\Users\Admin\AppData\Local\Temp\a1c0655c8797b178b9246e1ca5c83919_JaffaCakes118.exe
      2⤵
      • Deletes itself
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      • Suspicious use of UnmapMainImage
      PID:3512

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\a1c0655c8797b178b9246e1ca5c83919_JaffaCakes118.exe

    Filesize

    784KB

    MD5

    cce7e6ef9c2541082e963842bb2bf59e

    SHA1

    7d3972053e30f93a258669fa064855169c9a158d

    SHA256

    f3888963e03b9c424681bed79f5b3c9266862697d1afd16d30352ccf147c02bc

    SHA512

    8e78f8a88c7c0bf502522ac3e117879d0d3944a9448c625288f3f486907b8f535231e6f918fb64ba240ed676ff743c78692edffbcc7c81bc3d3ab32cfd96b418

  • memory/3184-0-0x0000000000400000-0x0000000000712000-memory.dmp

    Filesize

    3.1MB

  • memory/3184-1-0x0000000001A30000-0x0000000001AF4000-memory.dmp

    Filesize

    784KB

  • memory/3184-2-0x0000000000400000-0x0000000000593000-memory.dmp

    Filesize

    1.6MB

  • memory/3184-12-0x0000000000400000-0x0000000000593000-memory.dmp

    Filesize

    1.6MB

  • memory/3512-13-0x0000000000400000-0x0000000000712000-memory.dmp

    Filesize

    3.1MB

  • memory/3512-15-0x0000000000400000-0x0000000000593000-memory.dmp

    Filesize

    1.6MB

  • memory/3512-14-0x00000000019B0000-0x0000000001A74000-memory.dmp

    Filesize

    784KB

  • memory/3512-20-0x00000000053A0000-0x0000000005533000-memory.dmp

    Filesize

    1.6MB

  • memory/3512-21-0x0000000000400000-0x0000000000587000-memory.dmp

    Filesize

    1.5MB

  • memory/3512-30-0x0000000000400000-0x0000000000587000-memory.dmp

    Filesize

    1.5MB