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Analysis

  • max time kernel
    150s
  • max time network
    154s
  • platform
    windows7_x64
  • resource
    win7-20240221-en
  • resource tags

    arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-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 5 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:1624
    • 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:2728

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/1624-2-0x0000000000320000-0x0000000000331000-memory.dmp

    Filesize

    68KB

  • memory/1624-3-0x0000000077830000-0x00000000779D9000-memory.dmp

    Filesize

    1.7MB

  • memory/1624-4-0x0000000077A20000-0x0000000077AF6000-memory.dmp

    Filesize

    856KB

  • memory/1624-5-0x0000000077A20000-0x0000000077AF6000-memory.dmp

    Filesize

    856KB

  • memory/1624-8-0x0000000000320000-0x0000000000331000-memory.dmp

    Filesize

    68KB

  • memory/2728-6-0x0000000000400000-0x0000000000553000-memory.dmp

    Filesize

    1.3MB

  • memory/2728-9-0x00000000001B0000-0x00000000002B0000-memory.dmp

    Filesize

    1024KB

  • memory/2728-10-0x0000000000400000-0x0000000000553000-memory.dmp

    Filesize

    1.3MB

  • memory/2728-11-0x0000000077830000-0x00000000779D9000-memory.dmp

    Filesize

    1.7MB

  • memory/2728-12-0x0000000077A20000-0x0000000077AF6000-memory.dmp

    Filesize

    856KB

  • memory/2728-15-0x00000000001B0000-0x00000000002B0000-memory.dmp

    Filesize

    1024KB

  • memory/2728-16-0x0000000000400000-0x0000000000553000-memory.dmp

    Filesize

    1.3MB