Analysis

  • max time kernel
    147s
  • max time network
    150s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240709-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240709-enlocale:en-usos:windows10-2004-x64system
  • submitted
    19-07-2024 22:27

General

  • Target

    5def5470442105538cfd1da19d27888b_JaffaCakes118.exe

  • Size

    91KB

  • MD5

    5def5470442105538cfd1da19d27888b

  • SHA1

    37bf6e70ca682f3e3d564bcf87c5a9cb348f1c61

  • SHA256

    51a76604b7a46c7a548a4b4ba9eb17699afcddd8a14865911fe31950e145e2c6

  • SHA512

    ef4d9a0a8e08ad17010236bc92f63fffefcc18634f767f0ab0b3ecca726d62d12e126c355047ae8c5a4d8cb411a77bef88ee20c5864f485650998ec625d645cf

  • SSDEEP

    1536:oqF54cS86+sJymu1/I5mxG03oGRhxjlNGMLxZewlnWqyN7dq32eSUNnjeHsLkdJR:QrZcmu1/I5mxG03oGRhxjlNGMLxZewlz

Malware Config

Signatures

  • Modifies firewall policy service 3 TTPs 1 IoCs
  • Modifies Windows Firewall 2 TTPs 1 IoCs
  • Checks computer location settings 2 TTPs 1 IoCs

    Looks up country code configured in the registry, likely geofence.

  • Drops startup file 1 IoCs
  • UPX packed file 2 IoCs

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

  • Adds Run key to start application 2 TTPs 2 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • Event Triggered Execution: Netsh Helper DLL 1 TTPs 3 IoCs

    Netsh.exe (also referred to as Netshell) is a command-line scripting utility used to interact with the network configuration of a system.

  • Modifies Internet Explorer settings 1 TTPs 2 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\5def5470442105538cfd1da19d27888b_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\5def5470442105538cfd1da19d27888b_JaffaCakes118.exe"
    1⤵
    • Modifies firewall policy service
    • Checks computer location settings
    • Drops startup file
    • Adds Run key to start application
    • Modifies Internet Explorer settings
    • Suspicious use of WriteProcessMemory
    PID:1148
    • C:\Windows\SysWOW64\netsh.exe
      "C:\Windows\System32\netsh.exe" advfirewall firewall add rule name="5def5470442105538cfd1da19d27888b_JaffaCakes118" dir=in action=allow program="C:\Users\Admin\AppData\Local\Temp\5def5470442105538cfd1da19d27888b_JaffaCakes118.exe"
      2⤵
      • Modifies Windows Firewall
      • Event Triggered Execution: Netsh Helper DLL
      PID:1288

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • memory/1148-0-0x0000000000400000-0x000000000041F000-memory.dmp

    Filesize

    124KB

  • memory/1148-3-0x0000000000400000-0x000000000041F000-memory.dmp

    Filesize

    124KB