Analysis

  • max time kernel
    148s
  • max time network
    147s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    16-10-2024 23:37

General

  • Target

    4fa46c9cc60a82e8f8c36ce3b222c400_JaffaCakes118.exe

  • Size

    620KB

  • MD5

    4fa46c9cc60a82e8f8c36ce3b222c400

  • SHA1

    a6e7f529eb00eb892e6c9948bb63b4ec402c483d

  • SHA256

    6b4b703aac09a525c969e781657c83a189522c7fe1f20c371e89c0ffcc32653e

  • SHA512

    1efce889855266711968712c6349435679fa3fb8f57bb30c6d651de217cfa9f707cd984bcd16ecfef7dc85022a7cf62f2e56508e817e36ce3853582fead4627c

  • SSDEEP

    12288:3ZeVQkTrvj4VIP/MGzSVUbn4RhjRE/WX0NZLS15CKTOZs05REsjfhNcMvq:3wQkTf4VI3bWWD4fjRr0Ne5CrZs6vrIZ

Malware Config

Signatures

  • Darkcomet

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

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

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

  • Executes dropped EXE 2 IoCs
  • Loads dropped DLL 3 IoCs
  • Adds Run key to start application 2 TTPs 1 IoCs
  • Suspicious use of SetThreadContext 4 IoCs
  • Drops file in Windows directory 3 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • System Location Discovery: System Language Discovery 1 TTPs 6 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 12 IoCs

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

  • Enumerates system info in registry 2 TTPs 3 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 64 IoCs
  • Suspicious use of WriteProcessMemory 55 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\4fa46c9cc60a82e8f8c36ce3b222c400_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\4fa46c9cc60a82e8f8c36ce3b222c400_JaffaCakes118.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2344
    • C:\Users\Admin\AppData\Local\Temp\4fa46c9cc60a82e8f8c36ce3b222c400_JaffaCakes118.exe
      "C:\Users\Admin\AppData\Local\Temp\4fa46c9cc60a82e8f8c36ce3b222c400_JaffaCakes118.exe"
      2⤵
      • Modifies WinLogon for persistence
      • Checks BIOS information in registry
      • Loads dropped DLL
      • Adds Run key to start application
      • Suspicious use of SetThreadContext
      • Drops file in Windows directory
      • 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:824
      • C:\Windows\SysWOW64\explorer.exe
        "C:\Windows\SysWOW64\explorer.exe"
        3⤵
        • Suspicious use of SetThreadContext
        • System Location Discovery: System Language Discovery
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of WriteProcessMemory
        PID:2736
        • C:\Windows\SysWOW64\explorer.exe
          "C:\Windows\SysWOW64\explorer.exe"
          4⤵
          • Checks BIOS information in registry
          • System Location Discovery: System Language Discovery
          • Checks processor information in registry
          • Enumerates system info in registry
          • Suspicious behavior: GetForegroundWindowSpam
          • Suspicious use of AdjustPrivilegeToken
          PID:1312
      • C:\Windows\Registration\taskhost.exe
        "C:\Windows\Registration\taskhost.exe"
        3⤵
        • Executes dropped EXE
        • Loads dropped DLL
        • Suspicious use of SetThreadContext
        • System Location Discovery: System Language Discovery
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of WriteProcessMemory
        PID:2688
        • C:\Windows\Registration\taskhost.exe
          "C:\Windows\Registration\taskhost.exe"
          4⤵
          • Checks BIOS information in registry
          • Executes dropped EXE
          • System Location Discovery: System Language Discovery
          • Checks processor information in registry
          • Enumerates system info in registry
          • Suspicious use of AdjustPrivilegeToken
          PID:2280

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Windows\Registration\taskhost.exe

    Filesize

    620KB

    MD5

    4fa46c9cc60a82e8f8c36ce3b222c400

    SHA1

    a6e7f529eb00eb892e6c9948bb63b4ec402c483d

    SHA256

    6b4b703aac09a525c969e781657c83a189522c7fe1f20c371e89c0ffcc32653e

    SHA512

    1efce889855266711968712c6349435679fa3fb8f57bb30c6d651de217cfa9f707cd984bcd16ecfef7dc85022a7cf62f2e56508e817e36ce3853582fead4627c

  • memory/824-62-0x0000000000400000-0x00000000004B8000-memory.dmp

    Filesize

    736KB

  • memory/824-101-0x0000000000400000-0x00000000004B8000-memory.dmp

    Filesize

    736KB

  • memory/824-114-0x0000000077130000-0x0000000077240000-memory.dmp

    Filesize

    1.1MB

  • memory/824-67-0x0000000000400000-0x00000000004B8000-memory.dmp

    Filesize

    736KB

  • memory/824-68-0x0000000077130000-0x0000000077240000-memory.dmp

    Filesize

    1.1MB

  • memory/824-66-0x0000000077130000-0x0000000077240000-memory.dmp

    Filesize

    1.1MB

  • memory/824-65-0x0000000000400000-0x00000000004B8000-memory.dmp

    Filesize

    736KB

  • memory/824-63-0x0000000000400000-0x00000000004B8000-memory.dmp

    Filesize

    736KB

  • memory/2344-37-0x0000000000020000-0x0000000000040000-memory.dmp

    Filesize

    128KB

  • memory/2344-55-0x0000000077130000-0x0000000077240000-memory.dmp

    Filesize

    1.1MB

  • memory/2344-22-0x0000000000020000-0x0000000000040000-memory.dmp

    Filesize

    128KB

  • memory/2344-40-0x0000000000020000-0x0000000000040000-memory.dmp

    Filesize

    128KB

  • memory/2344-39-0x0000000000020000-0x0000000000040000-memory.dmp

    Filesize

    128KB

  • memory/2344-38-0x0000000000020000-0x0000000000040000-memory.dmp

    Filesize

    128KB

  • memory/2344-0-0x0000000000020000-0x0000000000040000-memory.dmp

    Filesize

    128KB

  • memory/2344-36-0x0000000000020000-0x0000000000040000-memory.dmp

    Filesize

    128KB

  • memory/2344-35-0x0000000000020000-0x0000000000040000-memory.dmp

    Filesize

    128KB

  • memory/2344-34-0x0000000000020000-0x0000000000040000-memory.dmp

    Filesize

    128KB

  • memory/2344-33-0x0000000000020000-0x0000000000040000-memory.dmp

    Filesize

    128KB

  • memory/2344-32-0x0000000000020000-0x0000000000040000-memory.dmp

    Filesize

    128KB

  • memory/2344-31-0x0000000000020000-0x0000000000040000-memory.dmp

    Filesize

    128KB

  • memory/2344-30-0x0000000000020000-0x0000000000040000-memory.dmp

    Filesize

    128KB

  • memory/2344-29-0x0000000000020000-0x0000000000040000-memory.dmp

    Filesize

    128KB

  • memory/2344-28-0x0000000000020000-0x0000000000040000-memory.dmp

    Filesize

    128KB

  • memory/2344-27-0x0000000000020000-0x0000000000040000-memory.dmp

    Filesize

    128KB

  • memory/2344-26-0x0000000000020000-0x0000000000040000-memory.dmp

    Filesize

    128KB

  • memory/2344-24-0x0000000000020000-0x0000000000040000-memory.dmp

    Filesize

    128KB

  • memory/2344-23-0x0000000000020000-0x0000000000040000-memory.dmp

    Filesize

    128KB

  • memory/2344-21-0x0000000000020000-0x0000000000040000-memory.dmp

    Filesize

    128KB

  • memory/2344-20-0x0000000000020000-0x0000000000040000-memory.dmp

    Filesize

    128KB

  • memory/2344-19-0x0000000000020000-0x0000000000040000-memory.dmp

    Filesize

    128KB

  • memory/2344-17-0x0000000000020000-0x0000000000040000-memory.dmp

    Filesize

    128KB

  • memory/2344-49-0x0000000077130000-0x0000000077240000-memory.dmp

    Filesize

    1.1MB

  • memory/2344-53-0x0000000077130000-0x0000000077240000-memory.dmp

    Filesize

    1.1MB

  • memory/2344-56-0x0000000077130000-0x0000000077240000-memory.dmp

    Filesize

    1.1MB

  • memory/2344-16-0x0000000000020000-0x0000000000040000-memory.dmp

    Filesize

    128KB

  • memory/2344-54-0x0000000077130000-0x0000000077240000-memory.dmp

    Filesize

    1.1MB

  • memory/2344-52-0x0000000077130000-0x0000000077240000-memory.dmp

    Filesize

    1.1MB

  • memory/2344-61-0x0000000077130000-0x0000000077240000-memory.dmp

    Filesize

    1.1MB

  • memory/2344-15-0x0000000000020000-0x0000000000040000-memory.dmp

    Filesize

    128KB

  • memory/2344-14-0x0000000000020000-0x0000000000040000-memory.dmp

    Filesize

    128KB

  • memory/2344-64-0x0000000077130000-0x0000000077240000-memory.dmp

    Filesize

    1.1MB

  • memory/2344-13-0x0000000000020000-0x0000000000040000-memory.dmp

    Filesize

    128KB

  • memory/2344-25-0x0000000000020000-0x0000000000040000-memory.dmp

    Filesize

    128KB

  • memory/2344-12-0x0000000000020000-0x0000000000040000-memory.dmp

    Filesize

    128KB

  • memory/2344-11-0x0000000000020000-0x0000000000040000-memory.dmp

    Filesize

    128KB

  • memory/2344-6-0x0000000077144000-0x0000000077145000-memory.dmp

    Filesize

    4KB

  • memory/2344-10-0x0000000077130000-0x0000000077240000-memory.dmp

    Filesize

    1.1MB

  • memory/2344-18-0x0000000000020000-0x0000000000040000-memory.dmp

    Filesize

    128KB

  • memory/2736-77-0x0000000000400000-0x00000000004A0000-memory.dmp

    Filesize

    640KB

  • memory/2736-89-0x0000000077130000-0x0000000077240000-memory.dmp

    Filesize

    1.1MB

  • memory/2736-88-0x0000000077130000-0x0000000077240000-memory.dmp

    Filesize

    1.1MB

  • memory/2736-94-0x0000000077130000-0x0000000077240000-memory.dmp

    Filesize

    1.1MB

  • memory/2736-93-0x0000000077130000-0x0000000077240000-memory.dmp

    Filesize

    1.1MB

  • memory/2736-92-0x0000000077130000-0x0000000077240000-memory.dmp

    Filesize

    1.1MB

  • memory/2736-91-0x0000000077130000-0x0000000077240000-memory.dmp

    Filesize

    1.1MB

  • memory/2736-71-0x0000000000400000-0x00000000004A0000-memory.dmp

    Filesize

    640KB

  • memory/2736-73-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

    Filesize

    4KB

  • memory/2736-75-0x0000000000400000-0x00000000004A0000-memory.dmp

    Filesize

    640KB

  • memory/2736-90-0x0000000077130000-0x0000000077240000-memory.dmp

    Filesize

    1.1MB

  • memory/2736-212-0x0000000077130000-0x0000000077240000-memory.dmp

    Filesize

    1.1MB