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Analysis

  • max time kernel
    148s
  • max time network
    155s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240226-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
  • submitted
    07/04/2024, 00:07

General

  • Target

    e39cccd2c1f0998f0e34fa525132868d_JaffaCakes118.exe

  • Size

    132KB

  • MD5

    e39cccd2c1f0998f0e34fa525132868d

  • SHA1

    94b39b2dcf8682cb2b5b039428219ca4a6d6eb6b

  • SHA256

    d9040bf8ad755cd41dc6266c0e0049f4bac0eaa23f18a26931357fe21c719701

  • SHA512

    b3304da8e9fea96412b7b9122168f6e528016330a2d364700cfc4d4640d54a0b03e25d3a7c9748b0a49c34b48a1fc4a0e3259dab96503e78cf487a6fbb32f77b

  • SSDEEP

    3072:Xu9+L1Dpafpq70qTfRSlO9ts42CvASp+2H8UeH:X6+L1DkfPqTJSAPs42CvzpFc

Malware Config

Signatures

  • Guloader,Cloudeye

    A shellcode based downloader first seen in 2020.

  • Checks QEMU agent file 2 TTPs 2 IoCs

    Checks presence of QEMU agent, possibly to detect virtualization.

  • Adds Run key to start application 2 TTPs 1 IoCs
  • Suspicious use of NtSetInformationThreadHideFromDebugger 2 IoCs
  • Suspicious use of SetThreadContext 1 IoCs
  • Suspicious behavior: MapViewOfSection 1 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 4 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\e39cccd2c1f0998f0e34fa525132868d_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\e39cccd2c1f0998f0e34fa525132868d_JaffaCakes118.exe"
    1⤵
    • Checks QEMU agent file
    • Adds Run key to start application
    • Suspicious use of NtSetInformationThreadHideFromDebugger
    • Suspicious use of SetThreadContext
    • Suspicious behavior: MapViewOfSection
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:3908
    • C:\Users\Admin\AppData\Local\Temp\e39cccd2c1f0998f0e34fa525132868d_JaffaCakes118.exe
      "C:\Users\Admin\AppData\Local\Temp\e39cccd2c1f0998f0e34fa525132868d_JaffaCakes118.exe"
      2⤵
      • Checks QEMU agent file
      • Suspicious use of NtSetInformationThreadHideFromDebugger
      PID:4288

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/3908-2-0x00000000022B0000-0x00000000022C1000-memory.dmp

    Filesize

    68KB

  • memory/3908-3-0x0000000077CF1000-0x0000000077E11000-memory.dmp

    Filesize

    1.1MB

  • memory/3908-5-0x0000000077CF1000-0x0000000077E11000-memory.dmp

    Filesize

    1.1MB

  • memory/3908-7-0x00000000022B0000-0x00000000022C1000-memory.dmp

    Filesize

    68KB

  • memory/4288-4-0x0000000000400000-0x000000000055D000-memory.dmp

    Filesize

    1.4MB

  • memory/4288-8-0x0000000000560000-0x0000000000660000-memory.dmp

    Filesize

    1024KB

  • memory/4288-10-0x0000000000400000-0x000000000055D000-memory.dmp

    Filesize

    1.4MB

  • memory/4288-12-0x0000000000560000-0x0000000000660000-memory.dmp

    Filesize

    1024KB