Analysis

  • max time kernel
    148s
  • max time network
    154s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    21-08-2024 11:48

General

  • Target

    b357bd672ecfa93096dd526aafd07008_JaffaCakes118.exe

  • Size

    867KB

  • MD5

    b357bd672ecfa93096dd526aafd07008

  • SHA1

    3e09bd6a9a23a853cbcdb52935efef5120b79963

  • SHA256

    2734cdb15eccf1ab192c29fd1196c677852ac61fa1c3487159bf6e852b8c2f86

  • SHA512

    fec6f91c9c84e92f0769f63ed82b785830f103a81f2d49393273c1cc5e90f9184ee3fe7293a9f093579de898dce7deb87265a790a65b97e994b26febed33a650

  • SSDEEP

    6144:X4vmuE/sq5mSbFHA4B+9mTnl6uLpetDcCpGC7iycA4TlcDHLPlEY5WpqGcDRady4:XDuAsq5/BHz+xucBNN1ck3lhIgGyd

Malware Config

Signatures

  • Modifies firewall policy service 3 TTPs 10 IoCs
  • Uses the VBS compiler for execution 1 TTPs
  • Adds Run key to start application 2 TTPs 1 IoCs
  • Suspicious use of SetThreadContext 1 IoCs
  • System Location Discovery: System Language Discovery 1 TTPs 10 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Modifies registry key 1 TTPs 4 IoCs
  • Suspicious use of AdjustPrivilegeToken 35 IoCs
  • Suspicious use of SetWindowsHookEx 4 IoCs
  • Suspicious use of WriteProcessMemory 32 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\b357bd672ecfa93096dd526aafd07008_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\b357bd672ecfa93096dd526aafd07008_JaffaCakes118.exe"
    1⤵
    • Adds Run key to start application
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:3644
    • C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe
      C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:2720
      • C:\Windows\SysWOW64\cmd.exe
        cmd /c REG ADD HKLM\System\CurrentControlSet\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile /v "DoNotAllowExceptions" /t REG_DWORD /d "0" /f
        3⤵
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:4184
        • C:\Windows\SysWOW64\reg.exe
          REG ADD HKLM\System\CurrentControlSet\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile /v "DoNotAllowExceptions" /t REG_DWORD /d "0" /f
          4⤵
          • Modifies firewall policy service
          • System Location Discovery: System Language Discovery
          • Modifies registry key
          PID:4572
      • C:\Windows\SysWOW64\cmd.exe
        cmd /c REG ADD HKLM\System\CurrentControlSet\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List /v "C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe" /t REG_SZ /d "C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe:*:Enabled:Windows Messanger" /f
        3⤵
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:3828
        • C:\Windows\SysWOW64\reg.exe
          REG ADD HKLM\System\CurrentControlSet\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List /v "C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe" /t REG_SZ /d "C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe:*:Enabled:Windows Messanger" /f
          4⤵
          • Modifies firewall policy service
          • System Location Discovery: System Language Discovery
          • Modifies registry key
          PID:1964
      • C:\Windows\SysWOW64\cmd.exe
        cmd /c REG ADD HKLM\System\CurrentControlSet\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile /v "DoNotAllowExceptions" /t REG_DWORD /d "0" /f
        3⤵
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:2824
        • C:\Windows\SysWOW64\reg.exe
          REG ADD HKLM\System\CurrentControlSet\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile /v "DoNotAllowExceptions" /t REG_DWORD /d "0" /f
          4⤵
          • Modifies firewall policy service
          • System Location Discovery: System Language Discovery
          • Modifies registry key
          PID:4704
      • C:\Windows\SysWOW64\cmd.exe
        cmd /c REG ADD HKLM\System\CurrentControlSet\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List /v "C:\Users\Admin\AppData\Roaming\6.exe" /t REG_SZ /d "C:\Users\Admin\AppData\Roaming\6.exe:*:Enabled:Windows Messanger" /f
        3⤵
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:4224
        • C:\Windows\SysWOW64\reg.exe
          REG ADD HKLM\System\CurrentControlSet\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List /v "C:\Users\Admin\AppData\Roaming\6.exe" /t REG_SZ /d "C:\Users\Admin\AppData\Roaming\6.exe:*:Enabled:Windows Messanger" /f
          4⤵
          • Modifies firewall policy service
          • System Location Discovery: System Language Discovery
          • Modifies registry key
          PID:2432

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • memory/2720-27-0x0000000000400000-0x0000000000478000-memory.dmp

    Filesize

    480KB

  • memory/2720-28-0x0000000000400000-0x0000000000478000-memory.dmp

    Filesize

    480KB

  • memory/2720-20-0x0000000000400000-0x0000000000478000-memory.dmp

    Filesize

    480KB

  • memory/2720-23-0x0000000000400000-0x0000000000478000-memory.dmp

    Filesize

    480KB

  • memory/2720-21-0x0000000000400000-0x0000000000478000-memory.dmp

    Filesize

    480KB

  • memory/2720-33-0x0000000000400000-0x0000000000478000-memory.dmp

    Filesize

    480KB

  • memory/2720-32-0x0000000000400000-0x0000000000478000-memory.dmp

    Filesize

    480KB

  • memory/2720-15-0x0000000000400000-0x0000000000478000-memory.dmp

    Filesize

    480KB

  • memory/2720-17-0x0000000000400000-0x0000000000478000-memory.dmp

    Filesize

    480KB

  • memory/2720-19-0x0000000000400000-0x0000000000478000-memory.dmp

    Filesize

    480KB

  • memory/2720-30-0x0000000000400000-0x0000000000478000-memory.dmp

    Filesize

    480KB

  • memory/2720-6-0x0000000000400000-0x0000000000478000-memory.dmp

    Filesize

    480KB

  • memory/2720-4-0x0000000000400000-0x0000000000478000-memory.dmp

    Filesize

    480KB

  • memory/2720-24-0x0000000000400000-0x0000000000478000-memory.dmp

    Filesize

    480KB

  • memory/2720-25-0x0000000000400000-0x0000000000478000-memory.dmp

    Filesize

    480KB

  • memory/2720-29-0x0000000000400000-0x0000000000478000-memory.dmp

    Filesize

    480KB

  • memory/3644-1-0x00000000753D0000-0x0000000075981000-memory.dmp

    Filesize

    5.7MB

  • memory/3644-0-0x00000000753D2000-0x00000000753D3000-memory.dmp

    Filesize

    4KB

  • memory/3644-2-0x00000000753D0000-0x0000000075981000-memory.dmp

    Filesize

    5.7MB

  • memory/3644-12-0x00000000753D0000-0x0000000075981000-memory.dmp

    Filesize

    5.7MB

  • memory/3644-9-0x0000000000AD0000-0x0000000000AE0000-memory.dmp

    Filesize

    64KB