Analysis

  • max time kernel
    149s
  • max time network
    150s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240426-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240426-enlocale:en-usos:windows10-2004-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 24 IoCs
  • Modifies WinLogon for persistence 2 TTPs 1 IoCs
  • Modifies Windows Defender Real-time Protection settings 3 TTPs 4 IoCs
  • Turns off Windows Defender SpyNet reporting 2 TTPs
  • 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.

  • Checks computer location settings 2 TTPs 1 IoCs

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

  • Drops startup file 2 IoCs
  • Windows security modification 2 TTPs 10 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 38 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
  • Suspicious behavior: EnumeratesProcesses 9 IoCs
  • Suspicious use of AdjustPrivilegeToken 3 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 21 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
    • Checks computer location settings
    • 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:2112
    • C:\Windows\SysWOW64\timeout.exe
      timeout 4
      2⤵
      • Delays execution with timeout.exe
      PID:2948
    • 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:4508
    • C:\Users\Admin\AppData\Local\Temp\6b1bd2bb379d1a4e929ba32100b6acd3_JaffaCakes118.exe
      "C:\Users\Admin\AppData\Local\Temp\6b1bd2bb379d1a4e929ba32100b6acd3_JaffaCakes118.exe"
      2⤵
        PID:4348
      • C:\Users\Admin\AppData\Local\Temp\6b1bd2bb379d1a4e929ba32100b6acd3_JaffaCakes118.exe
        "C:\Users\Admin\AppData\Local\Temp\6b1bd2bb379d1a4e929ba32100b6acd3_JaffaCakes118.exe"
        2⤵
        • Suspicious use of NtSetInformationThreadHideFromDebugger
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of SetWindowsHookEx
        PID:4352
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 2112 -s 2300
        2⤵
        • Program crash
        PID:4700
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 2112 -ip 2112
      1⤵
        PID:4676

      Network

      MITRE ATT&CK Enterprise v15

      Replay Monitor

      Loading Replay Monitor...

      Downloads

      • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_iqzquxa2.naw.ps1

        Filesize

        60B

        MD5

        d17fe0a3f47be24a6453e9ef58c94641

        SHA1

        6ab83620379fc69f80c0242105ddffd7d98d5d9d

        SHA256

        96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

        SHA512

        5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

      • memory/2112-1-0x00000000000A0000-0x00000000000D0000-memory.dmp

        Filesize

        192KB

      • memory/2112-2-0x0000000004A40000-0x0000000004ADC000-memory.dmp

        Filesize

        624KB

      • memory/2112-3-0x00000000751B0000-0x0000000075960000-memory.dmp

        Filesize

        7.7MB

      • memory/2112-4-0x00000000079E0000-0x0000000007E00000-memory.dmp

        Filesize

        4.1MB

      • memory/2112-5-0x00000000083B0000-0x0000000008954000-memory.dmp

        Filesize

        5.6MB

      • memory/2112-31-0x00000000751B0000-0x0000000075960000-memory.dmp

        Filesize

        7.7MB

      • memory/2112-0-0x00000000751BE000-0x00000000751BF000-memory.dmp

        Filesize

        4KB

      • memory/4352-80-0x0000000000400000-0x000000000080C000-memory.dmp

        Filesize

        4.0MB

      • memory/4352-29-0x0000000000400000-0x000000000080C000-memory.dmp

        Filesize

        4.0MB

      • memory/4352-106-0x0000000073D50000-0x0000000073D89000-memory.dmp

        Filesize

        228KB

      • memory/4352-104-0x0000000000400000-0x000000000080C000-memory.dmp

        Filesize

        4.0MB

      • memory/4352-105-0x0000000000400000-0x000000000080C000-memory.dmp

        Filesize

        4.0MB

      • memory/4352-103-0x0000000000400000-0x000000000080C000-memory.dmp

        Filesize

        4.0MB

      • memory/4352-109-0x0000000000400000-0x000000000080C000-memory.dmp

        Filesize

        4.0MB

      • memory/4352-108-0x0000000000400000-0x000000000080C000-memory.dmp

        Filesize

        4.0MB

      • memory/4352-53-0x0000000075A20000-0x0000000075A59000-memory.dmp

        Filesize

        228KB

      • memory/4352-77-0x0000000000400000-0x000000000080C000-memory.dmp

        Filesize

        4.0MB

      • memory/4352-27-0x0000000000400000-0x000000000080C000-memory.dmp

        Filesize

        4.0MB

      • memory/4352-28-0x0000000000400000-0x000000000080C000-memory.dmp

        Filesize

        4.0MB

      • memory/4352-30-0x0000000000400000-0x000000000080C000-memory.dmp

        Filesize

        4.0MB

      • memory/4352-107-0x0000000000400000-0x000000000080C000-memory.dmp

        Filesize

        4.0MB

      • memory/4352-110-0x0000000000400000-0x000000000080C000-memory.dmp

        Filesize

        4.0MB

      • memory/4352-78-0x0000000000400000-0x000000000080C000-memory.dmp

        Filesize

        4.0MB

      • memory/4352-70-0x0000000000400000-0x000000000080C000-memory.dmp

        Filesize

        4.0MB

      • memory/4352-69-0x0000000000400000-0x000000000080C000-memory.dmp

        Filesize

        4.0MB

      • memory/4352-68-0x0000000075150000-0x0000000075189000-memory.dmp

        Filesize

        228KB

      • memory/4352-67-0x0000000000400000-0x000000000080C000-memory.dmp

        Filesize

        4.0MB

      • memory/4352-65-0x0000000000400000-0x000000000080C000-memory.dmp

        Filesize

        4.0MB

      • memory/4352-66-0x0000000000400000-0x000000000080C000-memory.dmp

        Filesize

        4.0MB

      • memory/4352-64-0x0000000000400000-0x000000000080C000-memory.dmp

        Filesize

        4.0MB

      • memory/4352-56-0x0000000000400000-0x000000000080C000-memory.dmp

        Filesize

        4.0MB

      • memory/4352-55-0x0000000000400000-0x000000000080C000-memory.dmp

        Filesize

        4.0MB

      • memory/4352-54-0x0000000000400000-0x000000000080C000-memory.dmp

        Filesize

        4.0MB

      • memory/4352-52-0x0000000000400000-0x000000000080C000-memory.dmp

        Filesize

        4.0MB

      • memory/4508-24-0x0000000006320000-0x0000000006674000-memory.dmp

        Filesize

        3.3MB

      • memory/4508-51-0x0000000007E80000-0x0000000007E91000-memory.dmp

        Filesize

        68KB

      • memory/4508-50-0x0000000007F00000-0x0000000007F96000-memory.dmp

        Filesize

        600KB

      • memory/4508-57-0x0000000007EB0000-0x0000000007EBE000-memory.dmp

        Filesize

        56KB

      • memory/4508-49-0x0000000007CF0000-0x0000000007CFA000-memory.dmp

        Filesize

        40KB

      • memory/4508-58-0x0000000007EC0000-0x0000000007ED4000-memory.dmp

        Filesize

        80KB

      • memory/4508-59-0x0000000007FC0000-0x0000000007FDA000-memory.dmp

        Filesize

        104KB

      • memory/4508-60-0x0000000007FA0000-0x0000000007FA8000-memory.dmp

        Filesize

        32KB

      • memory/4508-63-0x00000000751B0000-0x0000000075960000-memory.dmp

        Filesize

        7.7MB

      • memory/4508-48-0x0000000007C80000-0x0000000007C9A000-memory.dmp

        Filesize

        104KB

      • memory/4508-47-0x00000000082C0000-0x000000000893A000-memory.dmp

        Filesize

        6.5MB

      • memory/4508-46-0x0000000007990000-0x0000000007A33000-memory.dmp

        Filesize

        652KB

      • memory/4508-45-0x0000000006EE0000-0x0000000006EFE000-memory.dmp

        Filesize

        120KB

      • memory/4508-40-0x0000000005490000-0x00000000054A0000-memory.dmp

        Filesize

        64KB

      • memory/4508-34-0x0000000070200000-0x000000007024C000-memory.dmp

        Filesize

        304KB

      • memory/4508-32-0x000000007F530000-0x000000007F540000-memory.dmp

        Filesize

        64KB

      • memory/4508-33-0x0000000007950000-0x0000000007982000-memory.dmp

        Filesize

        200KB

      • memory/4508-26-0x0000000006980000-0x00000000069CC000-memory.dmp

        Filesize

        304KB

      • memory/4508-25-0x0000000006930000-0x000000000694E000-memory.dmp

        Filesize

        120KB

      • memory/4508-13-0x0000000005A20000-0x0000000005A86000-memory.dmp

        Filesize

        408KB

      • memory/4508-14-0x0000000006170000-0x00000000061D6000-memory.dmp

        Filesize

        408KB

      • memory/4508-12-0x0000000005980000-0x00000000059A2000-memory.dmp

        Filesize

        136KB

      • memory/4508-11-0x00000000751B0000-0x0000000075960000-memory.dmp

        Filesize

        7.7MB

      • memory/4508-10-0x00000000751B0000-0x0000000075960000-memory.dmp

        Filesize

        7.7MB

      • memory/4508-9-0x0000000005AD0000-0x00000000060F8000-memory.dmp

        Filesize

        6.2MB

      • memory/4508-8-0x00000000751B0000-0x0000000075960000-memory.dmp

        Filesize

        7.7MB

      • memory/4508-7-0x00000000053C0000-0x00000000053F6000-memory.dmp

        Filesize

        216KB