Analysis

  • max time kernel
    150s
  • max time network
    150s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    08/10/2024, 20:03

General

  • Target

    24b43f22c10554fb53c649e0dd8b1fd9_JaffaCakes118.exe

  • Size

    756KB

  • MD5

    24b43f22c10554fb53c649e0dd8b1fd9

  • SHA1

    1e0412a9ce9f4b08cda04c14a278839dfdfeb693

  • SHA256

    b61b142137ce43d4061ff841f090158a742d31bfcafb2dffa40eae56fd991926

  • SHA512

    0c0db7bfb2074a5544033d03904bbfc2347c31cb0de6743aa281b7b946df804852640ba55bc374dc4f284b59eeec83f99a37765d79ce3eb25fdb023b8865ce47

  • SSDEEP

    12288:whuRH8dwXnls/WsbPPUzbDzfE6U7TKKuSBsBPj2urayrHt+VXVonKgjkw:whuF82Xls/WiH4D7gqTSB8C14+XU

Malware Config

Signatures

  • Darkcomet

    DarkComet is a remote access trojan (RAT) developed by Jean-Pierre Lesueur.

  • Modifies WinLogon for persistence 2 TTPs 1 IoCs
  • Modifies firewall policy service 3 TTPs 3 IoCs
  • Checks BIOS information in registry 2 TTPs 2 IoCs

    BIOS information is often read in order to detect sandboxing environments.

  • Executes dropped EXE 3 IoCs
  • Loads dropped DLL 12 IoCs
  • Adds Run key to start application 2 TTPs 2 IoCs
  • Writes to the Master Boot Record (MBR) 1 TTPs 2 IoCs

    Bootkits write to the MBR to gain persistence at a level below the operating system.

  • Suspicious use of SetThreadContext 4 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • System Location Discovery: System Language Discovery 1 TTPs 8 IoCs

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

  • Checks processor information in registry 2 TTPs 8 IoCs

    Processor information is often read in order to detect sandboxing environments.

  • Enumerates system info in registry 2 TTPs 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 46 IoCs
  • Suspicious use of SetWindowsHookEx 4 IoCs
  • Suspicious use of WriteProcessMemory 64 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\24b43f22c10554fb53c649e0dd8b1fd9_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\24b43f22c10554fb53c649e0dd8b1fd9_JaffaCakes118.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:2652
    • C:\Users\Admin\AppData\Local\Temp\24b43f22c10554fb53c649e0dd8b1fd9_JaffaCakes118.exe
      "C:\Users\Admin\AppData\Local\Temp\24b43f22c10554fb53c649e0dd8b1fd9_JaffaCakes118.exe"
      2⤵
      • Writes to the Master Boot Record (MBR)
      • Suspicious use of SetThreadContext
      • System Location Discovery: System Language Discovery
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:2928
      • C:\Users\Admin\AppData\Local\Temp\24b43f22c10554fb53c649e0dd8b1fd9_JaffaCakes118.exe
        "C:\Users\Admin\AppData\Local\Temp\24b43f22c10554fb53c649e0dd8b1fd9_JaffaCakes118.exe"
        3⤵
        • Modifies WinLogon for persistence
        • Checks BIOS information in registry
        • Loads dropped DLL
        • Adds Run key to start application
        • System Location Discovery: System Language Discovery
        • Checks processor information in registry
        • Enumerates system info in registry
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of WriteProcessMemory
        PID:2832
        • C:\Windows\SysWOW64\notepad.exe
          notepad
          4⤵
          • Adds Run key to start application
          • System Location Discovery: System Language Discovery
          PID:2572
        • C:\Windows\SysWOW64\explorer.exe
          "C:\Windows\SysWOW64\explorer.exe"
          4⤵
            PID:2800
          • C:\Users\Admin\AppData\Roaming\Windupdt\winupdate.exe
            "C:\Users\Admin\AppData\Roaming\Windupdt\winupdate.exe"
            4⤵
            • Executes dropped EXE
            • Loads dropped DLL
            • Suspicious use of SetThreadContext
            • System Location Discovery: System Language Discovery
            • Suspicious use of SetWindowsHookEx
            • Suspicious use of WriteProcessMemory
            PID:2376
            • C:\Users\Admin\AppData\Roaming\Windupdt\winupdate.exe
              "C:\Users\Admin\AppData\Roaming\Windupdt\winupdate.exe"
              5⤵
              • Executes dropped EXE
              • Loads dropped DLL
              • Writes to the Master Boot Record (MBR)
              • Suspicious use of SetThreadContext
              • System Location Discovery: System Language Discovery
              • Suspicious use of SetWindowsHookEx
              PID:1652
              • C:\Users\Admin\AppData\Roaming\Windupdt\winupdate.exe
                "C:\Users\Admin\AppData\Roaming\Windupdt\winupdate.exe"
                6⤵
                • Modifies firewall policy service
                • Checks BIOS information in registry
                • Executes dropped EXE
                • Loads dropped DLL
                • System Location Discovery: System Language Discovery
                • Checks processor information in registry
                • Enumerates system info in registry
                • Suspicious use of AdjustPrivilegeToken
                PID:1836
                • C:\Windows\SysWOW64\notepad.exe
                  C:\Windows\SysWOW64\notepad.exe
                  7⤵
                  • System Location Discovery: System Language Discovery
                  PID:836

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

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    Downloads

    • \Users\Admin\AppData\Roaming\Windupdt\winupdate.exe

      Filesize

      756KB

      MD5

      24b43f22c10554fb53c649e0dd8b1fd9

      SHA1

      1e0412a9ce9f4b08cda04c14a278839dfdfeb693

      SHA256

      b61b142137ce43d4061ff841f090158a742d31bfcafb2dffa40eae56fd991926

      SHA512

      0c0db7bfb2074a5544033d03904bbfc2347c31cb0de6743aa281b7b946df804852640ba55bc374dc4f284b59eeec83f99a37765d79ce3eb25fdb023b8865ce47

    • memory/2572-64-0x00000000001D0000-0x00000000001D1000-memory.dmp

      Filesize

      4KB

    • memory/2572-37-0x0000000000080000-0x0000000000081000-memory.dmp

      Filesize

      4KB

    • memory/2652-14-0x0000000000680000-0x0000000000780000-memory.dmp

      Filesize

      1024KB

    • memory/2832-22-0x0000000013140000-0x00000000131F6000-memory.dmp

      Filesize

      728KB

    • memory/2832-19-0x0000000013140000-0x00000000131F6000-memory.dmp

      Filesize

      728KB

    • memory/2832-35-0x0000000000400000-0x00000000004BD000-memory.dmp

      Filesize

      756KB

    • memory/2832-21-0x0000000013140000-0x00000000131F6000-memory.dmp

      Filesize

      728KB

    • memory/2832-30-0x0000000013140000-0x00000000131F6000-memory.dmp

      Filesize

      728KB

    • memory/2832-34-0x0000000013140000-0x00000000131F6000-memory.dmp

      Filesize

      728KB

    • memory/2832-29-0x0000000013140000-0x00000000131F6000-memory.dmp

      Filesize

      728KB

    • memory/2832-26-0x0000000013140000-0x00000000131F6000-memory.dmp

      Filesize

      728KB

    • memory/2832-25-0x0000000013140000-0x00000000131F6000-memory.dmp

      Filesize

      728KB

    • memory/2832-24-0x0000000013140000-0x00000000131F6000-memory.dmp

      Filesize

      728KB

    • memory/2832-23-0x0000000013140000-0x00000000131F6000-memory.dmp

      Filesize

      728KB

    • memory/2832-20-0x0000000013140000-0x00000000131F6000-memory.dmp

      Filesize

      728KB

    • memory/2928-5-0x0000000000400000-0x00000000004B1000-memory.dmp

      Filesize

      708KB

    • memory/2928-7-0x0000000000400000-0x00000000004B1000-memory.dmp

      Filesize

      708KB

    • memory/2928-33-0x0000000000400000-0x00000000004B1000-memory.dmp

      Filesize

      708KB

    • memory/2928-3-0x0000000000400000-0x00000000004B1000-memory.dmp

      Filesize

      708KB

    • memory/2928-11-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

      Filesize

      4KB

    • memory/2928-16-0x0000000000400000-0x00000000004B1000-memory.dmp

      Filesize

      708KB

    • memory/2928-13-0x0000000000400000-0x00000000004B1000-memory.dmp

      Filesize

      708KB