Analysis

  • max time kernel
    147s
  • max time network
    138s
  • platform
    windows7_x64
  • resource
    win7-20240508-en
  • resource tags

    arch:x64arch:x86image:win7-20240508-enlocale:en-usos:windows7-x64system
  • submitted
    23-05-2024 13:36

General

  • Target

    6b1bd2bb379d1a4e929ba32100b6acd3_JaffaCakes118.exe

  • Size

    174KB

  • MD5

    6b1bd2bb379d1a4e929ba32100b6acd3

  • SHA1

    7e575b77c856c49495f3cf3d3dc6b3340facb99b

  • SHA256

    8d44a736975543b4f5c40296fb1c1a2e42700861d95704fd224d42d73d475d78

  • SHA512

    8e8d033bb29dbc9b36278285a4e8655e54add7a51570b3e132cb1e0992e3753eb353eb6787cc9fcb56e2f4e79f382050063eea0cf949d9a9151c9c5eed2f8cd8

  • SSDEEP

    3072:YPGsB7XNuFhSJ1RwrzDJoqpJlKhAeQfpIYEDapZ2Ti87w3b+46UB:YPPNzTUzDJ/jqQxIhmr2TiBT

Malware Config

Signatures

  • BitRAT

    BitRAT is a remote access tool written in C++ and uses leaked source code from other families.

  • BitRAT payload 26 IoCs
  • Modifies WinLogon for persistence 2 TTPs 1 IoCs
  • Modifies Windows Defender Real-time Protection settings 3 TTPs 4 IoCs
  • Windows security bypass 2 TTPs 2 IoCs
  • Command and Scripting Interpreter: PowerShell 1 TTPs 1 IoCs

    Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.

  • Drops startup file 2 IoCs
  • Windows security modification 2 TTPs 8 IoCs
  • Adds Run key to start application 2 TTPs 1 IoCs
  • Legitimate hosting services abused for malware hosting/C2 1 TTPs 2 IoCs
  • Looks up external IP address via web service 3 IoCs

    Uses a legitimate IP lookup service to find the infected system's external IP.

  • Suspicious use of NtSetInformationThreadHideFromDebugger 34 IoCs
  • Suspicious use of SetThreadContext 1 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Program crash 1 IoCs
  • Delays execution with timeout.exe 1 IoCs
  • Modifies system certificate store 2 TTPs 2 IoCs
  • Suspicious behavior: EnumeratesProcesses 4 IoCs
  • Suspicious use of AdjustPrivilegeToken 4 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 25 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\6b1bd2bb379d1a4e929ba32100b6acd3_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\6b1bd2bb379d1a4e929ba32100b6acd3_JaffaCakes118.exe"
    1⤵
    • Modifies WinLogon for persistence
    • Modifies Windows Defender Real-time Protection settings
    • Windows security bypass
    • Drops startup file
    • Windows security modification
    • Adds Run key to start application
    • Suspicious use of NtSetInformationThreadHideFromDebugger
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1384
    • C:\Windows\SysWOW64\timeout.exe
      timeout 4
      2⤵
      • Delays execution with timeout.exe
      PID:2868
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Local\Temp\6b1bd2bb379d1a4e929ba32100b6acd3_JaffaCakes118.exe" -Force
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2680
    • C:\Users\Admin\AppData\Local\Temp\6b1bd2bb379d1a4e929ba32100b6acd3_JaffaCakes118.exe
      "C:\Users\Admin\AppData\Local\Temp\6b1bd2bb379d1a4e929ba32100b6acd3_JaffaCakes118.exe"
      2⤵
      • Suspicious use of NtSetInformationThreadHideFromDebugger
      • Modifies system certificate store
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      PID:2768
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 1384 -s 1652
      2⤵
      • Program crash
      PID:2700

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • memory/1384-1-0x0000000000830000-0x0000000000860000-memory.dmp

    Filesize

    192KB

  • memory/1384-0-0x0000000074B3E000-0x0000000074B3F000-memory.dmp

    Filesize

    4KB

  • memory/1384-2-0x0000000074B30000-0x000000007521E000-memory.dmp

    Filesize

    6.9MB

  • memory/1384-3-0x0000000006F20000-0x0000000007340000-memory.dmp

    Filesize

    4.1MB

  • memory/1384-35-0x0000000074B30000-0x000000007521E000-memory.dmp

    Filesize

    6.9MB

  • memory/1384-34-0x0000000074B3E000-0x0000000074B3F000-memory.dmp

    Filesize

    4KB

  • memory/2768-28-0x0000000000400000-0x000000000080C000-memory.dmp

    Filesize

    4.0MB

  • memory/2768-25-0x0000000000400000-0x000000000080C000-memory.dmp

    Filesize

    4.0MB

  • memory/2768-13-0x0000000000400000-0x000000000080C000-memory.dmp

    Filesize

    4.0MB

  • memory/2768-12-0x0000000000400000-0x000000000080C000-memory.dmp

    Filesize

    4.0MB

  • memory/2768-23-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

    Filesize

    4KB

  • memory/2768-19-0x0000000000400000-0x000000000080C000-memory.dmp

    Filesize

    4.0MB

  • memory/2768-15-0x0000000000400000-0x000000000080C000-memory.dmp

    Filesize

    4.0MB

  • memory/2768-7-0x0000000000400000-0x000000000080C000-memory.dmp

    Filesize

    4.0MB

  • memory/2768-9-0x0000000000400000-0x000000000080C000-memory.dmp

    Filesize

    4.0MB

  • memory/2768-26-0x0000000000400000-0x000000000080C000-memory.dmp

    Filesize

    4.0MB

  • memory/2768-27-0x0000000000400000-0x000000000080C000-memory.dmp

    Filesize

    4.0MB

  • memory/2768-29-0x0000000000400000-0x000000000080C000-memory.dmp

    Filesize

    4.0MB

  • memory/2768-21-0x0000000000400000-0x000000000080C000-memory.dmp

    Filesize

    4.0MB

  • memory/2768-30-0x0000000000400000-0x000000000080C000-memory.dmp

    Filesize

    4.0MB

  • memory/2768-31-0x0000000000400000-0x000000000080C000-memory.dmp

    Filesize

    4.0MB

  • memory/2768-33-0x0000000000400000-0x000000000080C000-memory.dmp

    Filesize

    4.0MB

  • memory/2768-32-0x0000000000400000-0x000000000080C000-memory.dmp

    Filesize

    4.0MB

  • memory/2768-17-0x0000000000400000-0x000000000080C000-memory.dmp

    Filesize

    4.0MB

  • memory/2768-24-0x0000000000400000-0x000000000080C000-memory.dmp

    Filesize

    4.0MB

  • memory/2768-36-0x0000000000400000-0x000000000080C000-memory.dmp

    Filesize

    4.0MB

  • memory/2768-37-0x0000000000120000-0x000000000012A000-memory.dmp

    Filesize

    40KB

  • memory/2768-53-0x0000000000400000-0x000000000080C000-memory.dmp

    Filesize

    4.0MB

  • memory/2768-54-0x0000000000400000-0x000000000080C000-memory.dmp

    Filesize

    4.0MB

  • memory/2768-55-0x0000000000400000-0x000000000080C000-memory.dmp

    Filesize

    4.0MB

  • memory/2768-79-0x0000000000400000-0x000000000080C000-memory.dmp

    Filesize

    4.0MB

  • memory/2768-81-0x0000000000400000-0x000000000080C000-memory.dmp

    Filesize

    4.0MB

  • memory/2768-80-0x0000000000400000-0x000000000080C000-memory.dmp

    Filesize

    4.0MB

  • memory/2768-82-0x0000000000400000-0x000000000080C000-memory.dmp

    Filesize

    4.0MB

  • memory/2768-84-0x0000000000290000-0x000000000029A000-memory.dmp

    Filesize

    40KB

  • memory/2768-83-0x0000000000290000-0x000000000029A000-memory.dmp

    Filesize

    40KB

  • memory/2768-85-0x0000000000400000-0x000000000080C000-memory.dmp

    Filesize

    4.0MB

  • memory/2768-86-0x0000000000400000-0x000000000080C000-memory.dmp

    Filesize

    4.0MB

  • memory/2768-87-0x0000000000400000-0x000000000080C000-memory.dmp

    Filesize

    4.0MB