Analysis

  • max time kernel
    147s
  • max time network
    149s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240508-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
  • submitted
    22-06-2024 13:04

General

  • Target

    0243ce7dd550e1ed8ad6355bf37c3766_JaffaCakes118.dll

  • Size

    387KB

  • MD5

    0243ce7dd550e1ed8ad6355bf37c3766

  • SHA1

    e988e242290c39ba616a28f95325a737975c331a

  • SHA256

    fa9bb26778829a58c0b15ea253f3b37c4d930be1b832141b371f232361c752c2

  • SHA512

    ad9f60452129d71e25c1de51699be565357e0789945888de2d5e0fe07a99fb41539e5ae965f3c0403b3d67fc7a24fae514ad97110b26e6771bc14a3bfc754495

  • SSDEEP

    6144:WOiKhJ6GZUYm8yeRp/f3280+NmaAWT/mMDzGpxvSxRJy5r/K3pek:nFEcUX81pAaAWLmMDz0xKJG+3pek

Malware Config

Signatures

  • Adds Run key to start application 2 TTPs 1 IoCs
  • Installs/modifies Browser Helper Object 2 TTPs 2 IoCs

    BHOs are DLL modules which act as plugins for Internet Explorer.

  • Modifies Internet Explorer settings 1 TTPs 23 IoCs
  • Modifies registry class 5 IoCs
  • Suspicious use of FindShellTrayWindow 1 IoCs
  • Suspicious use of SetWindowsHookEx 4 IoCs
  • Suspicious use of WriteProcessMemory 6 IoCs

Processes

  • C:\Windows\system32\regsvr32.exe
    regsvr32 /s C:\Users\Admin\AppData\Local\Temp\0243ce7dd550e1ed8ad6355bf37c3766_JaffaCakes118.dll
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:2508
    • C:\Windows\SysWOW64\regsvr32.exe
      /s C:\Users\Admin\AppData\Local\Temp\0243ce7dd550e1ed8ad6355bf37c3766_JaffaCakes118.dll
      2⤵
      • Adds Run key to start application
      • Installs/modifies Browser Helper Object
      • Modifies registry class
      PID:1908
  • C:\Program Files (x86)\Internet Explorer\ielowutil.exe
    "C:\Program Files (x86)\Internet Explorer\ielowutil.exe" -CLSID:{0002DF01-0000-0000-C000-000000000046} -Embedding
    1⤵
      PID:1376
    • C:\Program Files\Internet Explorer\iexplore.exe
      "C:\Program Files\Internet Explorer\iexplore.exe" -Embedding
      1⤵
      • Modifies Internet Explorer settings
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:3744
      • C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
        "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:3744 CREDAT:17410 /prefetch:2
        2⤵
        • Modifies Internet Explorer settings
        • Suspicious use of SetWindowsHookEx
        PID:4676

    Network

    MITRE ATT&CK Enterprise v15

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