Analysis

  • max time kernel
    149s
  • max time network
    148s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-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 2 IoCs

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

  • Checks computer location settings 2 TTPs 1 IoCs

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

  • Executes dropped EXE 2 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).

  • Program crash 1 IoCs
  • System Location Discovery: System Language Discovery 1 TTPs 5 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 behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 51 IoCs
  • Suspicious use of WriteProcessMemory 50 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:4768
    • 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
      • Checks computer location settings
      • 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:1344
      • 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:1460
        • C:\Windows\SysWOW64\explorer.exe
          "C:\Windows\SysWOW64\explorer.exe"
          4⤵
            PID:4628
            • C:\Windows\SysWOW64\WerFault.exe
              C:\Windows\SysWOW64\WerFault.exe -u -p 4628 -s 80
              5⤵
              • Program crash
              PID:2432
        • C:\Windows\Registration\taskhost.exe
          "C:\Windows\Registration\taskhost.exe"
          3⤵
          • Executes dropped EXE
          • Suspicious use of SetThreadContext
          • System Location Discovery: System Language Discovery
          • Suspicious use of AdjustPrivilegeToken
          • Suspicious use of WriteProcessMemory
          PID:4152
          • 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 behavior: GetForegroundWindowSpam
            • Suspicious use of AdjustPrivilegeToken
            PID:2748
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 4628 -ip 4628
      1⤵
        PID:4360

      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/1344-78-0x0000000075310000-0x0000000075400000-memory.dmp

        Filesize

        960KB

      • memory/1344-173-0x0000000075310000-0x0000000075400000-memory.dmp

        Filesize

        960KB

      • memory/1344-72-0x0000000000400000-0x00000000004B8000-memory.dmp

        Filesize

        736KB

      • memory/1344-73-0x0000000000400000-0x00000000004B8000-memory.dmp

        Filesize

        736KB

      • memory/1344-75-0x0000000000400000-0x00000000004B8000-memory.dmp

        Filesize

        736KB

      • memory/1344-79-0x0000000000400000-0x00000000004B8000-memory.dmp

        Filesize

        736KB

      • memory/1344-80-0x0000000075310000-0x0000000075400000-memory.dmp

        Filesize

        960KB

      • memory/1460-114-0x0000000000C20000-0x0000000000C40000-memory.dmp

        Filesize

        128KB

      • memory/1460-118-0x0000000000C20000-0x0000000000C40000-memory.dmp

        Filesize

        128KB

      • memory/1460-99-0x0000000075310000-0x0000000075400000-memory.dmp

        Filesize

        960KB

      • memory/1460-100-0x0000000075310000-0x0000000075400000-memory.dmp

        Filesize

        960KB

      • memory/1460-101-0x0000000075310000-0x0000000075400000-memory.dmp

        Filesize

        960KB

      • memory/1460-102-0x0000000075310000-0x0000000075400000-memory.dmp

        Filesize

        960KB

      • memory/1460-109-0x0000000000C20000-0x0000000000C40000-memory.dmp

        Filesize

        128KB

      • memory/1460-110-0x0000000000C20000-0x0000000000C40000-memory.dmp

        Filesize

        128KB

      • memory/1460-111-0x0000000000C20000-0x0000000000C40000-memory.dmp

        Filesize

        128KB

      • memory/1460-117-0x0000000000C20000-0x0000000000C40000-memory.dmp

        Filesize

        128KB

      • memory/1460-123-0x0000000000C20000-0x0000000000C40000-memory.dmp

        Filesize

        128KB

      • memory/1460-104-0x0000000075310000-0x0000000075400000-memory.dmp

        Filesize

        960KB

      • memory/1460-105-0x0000000075310000-0x0000000075400000-memory.dmp

        Filesize

        960KB

      • memory/1460-106-0x0000000000C20000-0x0000000000C40000-memory.dmp

        Filesize

        128KB

      • memory/1460-107-0x0000000000C20000-0x0000000000C40000-memory.dmp

        Filesize

        128KB

      • memory/1460-108-0x0000000000C20000-0x0000000000C40000-memory.dmp

        Filesize

        128KB

      • memory/1460-112-0x0000000000C20000-0x0000000000C40000-memory.dmp

        Filesize

        128KB

      • memory/1460-113-0x0000000000C20000-0x0000000000C40000-memory.dmp

        Filesize

        128KB

      • memory/1460-95-0x0000000075310000-0x0000000075400000-memory.dmp

        Filesize

        960KB

      • memory/1460-115-0x0000000000C20000-0x0000000000C40000-memory.dmp

        Filesize

        128KB

      • memory/1460-116-0x0000000000C20000-0x0000000000C40000-memory.dmp

        Filesize

        128KB

      • memory/1460-97-0x0000000075310000-0x0000000075400000-memory.dmp

        Filesize

        960KB

      • memory/1460-119-0x0000000000C20000-0x0000000000C40000-memory.dmp

        Filesize

        128KB

      • memory/1460-120-0x0000000000C20000-0x0000000000C40000-memory.dmp

        Filesize

        128KB

      • memory/1460-121-0x0000000000C20000-0x0000000000C40000-memory.dmp

        Filesize

        128KB

      • memory/1460-122-0x0000000000C20000-0x0000000000C40000-memory.dmp

        Filesize

        128KB

      • memory/1460-125-0x0000000000C20000-0x0000000000C40000-memory.dmp

        Filesize

        128KB

      • memory/1460-126-0x0000000000C20000-0x0000000000C40000-memory.dmp

        Filesize

        128KB

      • memory/1460-146-0x0000000075310000-0x0000000075400000-memory.dmp

        Filesize

        960KB

      • memory/1460-147-0x0000000075310000-0x0000000075400000-memory.dmp

        Filesize

        960KB

      • memory/1460-148-0x0000000075310000-0x0000000075400000-memory.dmp

        Filesize

        960KB

      • memory/1460-149-0x0000000075310000-0x0000000075400000-memory.dmp

        Filesize

        960KB

      • memory/1460-153-0x0000000075310000-0x0000000075400000-memory.dmp

        Filesize

        960KB

      • memory/1460-154-0x0000000075310000-0x0000000075400000-memory.dmp

        Filesize

        960KB

      • memory/1460-157-0x0000000075310000-0x0000000075400000-memory.dmp

        Filesize

        960KB

      • memory/1460-150-0x0000000075310000-0x0000000075400000-memory.dmp

        Filesize

        960KB

      • memory/1460-127-0x0000000000C20000-0x0000000000C40000-memory.dmp

        Filesize

        128KB

      • memory/1460-103-0x0000000075310000-0x0000000075400000-memory.dmp

        Filesize

        960KB

      • memory/1460-98-0x0000000075310000-0x0000000075400000-memory.dmp

        Filesize

        960KB

      • memory/1460-96-0x0000000075310000-0x0000000075400000-memory.dmp

        Filesize

        960KB

      • memory/1460-85-0x0000000000400000-0x00000000004A0000-memory.dmp

        Filesize

        640KB

      • memory/1460-83-0x0000000000400000-0x00000000004A0000-memory.dmp

        Filesize

        640KB

      • memory/1460-86-0x0000000000C20000-0x0000000000C40000-memory.dmp

        Filesize

        128KB

      • memory/1460-183-0x0000000075310000-0x0000000075400000-memory.dmp

        Filesize

        960KB

      • memory/4768-33-0x00000000001C0000-0x00000000001E0000-memory.dmp

        Filesize

        128KB

      • memory/4768-34-0x00000000001C0000-0x00000000001E0000-memory.dmp

        Filesize

        128KB

      • memory/4768-77-0x0000000075310000-0x0000000075400000-memory.dmp

        Filesize

        960KB

      • memory/4768-61-0x0000000075310000-0x0000000075400000-memory.dmp

        Filesize

        960KB

      • memory/4768-63-0x0000000075310000-0x0000000075400000-memory.dmp

        Filesize

        960KB

      • memory/4768-65-0x0000000075310000-0x0000000075400000-memory.dmp

        Filesize

        960KB

      • memory/4768-67-0x0000000075310000-0x0000000075400000-memory.dmp

        Filesize

        960KB

      • memory/4768-69-0x0000000075310000-0x0000000075400000-memory.dmp

        Filesize

        960KB

      • memory/4768-76-0x0000000075310000-0x0000000075400000-memory.dmp

        Filesize

        960KB

      • memory/4768-68-0x0000000075310000-0x0000000075400000-memory.dmp

        Filesize

        960KB

      • memory/4768-62-0x0000000075310000-0x0000000075400000-memory.dmp

        Filesize

        960KB

      • memory/4768-59-0x0000000075310000-0x0000000075400000-memory.dmp

        Filesize

        960KB

      • memory/4768-19-0x00000000001C0000-0x00000000001E0000-memory.dmp

        Filesize

        128KB

      • memory/4768-20-0x00000000001C0000-0x00000000001E0000-memory.dmp

        Filesize

        128KB

      • memory/4768-21-0x00000000001C0000-0x00000000001E0000-memory.dmp

        Filesize

        128KB

      • memory/4768-22-0x00000000001C0000-0x00000000001E0000-memory.dmp

        Filesize

        128KB

      • memory/4768-23-0x00000000001C0000-0x00000000001E0000-memory.dmp

        Filesize

        128KB

      • memory/4768-24-0x00000000001C0000-0x00000000001E0000-memory.dmp

        Filesize

        128KB

      • memory/4768-25-0x00000000001C0000-0x00000000001E0000-memory.dmp

        Filesize

        128KB

      • memory/4768-26-0x00000000001C0000-0x00000000001E0000-memory.dmp

        Filesize

        128KB

      • memory/4768-27-0x00000000001C0000-0x00000000001E0000-memory.dmp

        Filesize

        128KB

      • memory/4768-28-0x00000000001C0000-0x00000000001E0000-memory.dmp

        Filesize

        128KB

      • memory/4768-29-0x00000000001C0000-0x00000000001E0000-memory.dmp

        Filesize

        128KB

      • memory/4768-30-0x00000000001C0000-0x00000000001E0000-memory.dmp

        Filesize

        128KB

      • memory/4768-31-0x00000000001C0000-0x00000000001E0000-memory.dmp

        Filesize

        128KB

      • memory/4768-32-0x00000000001C0000-0x00000000001E0000-memory.dmp

        Filesize

        128KB

      • memory/4768-0-0x00000000001C0000-0x00000000001E0000-memory.dmp

        Filesize

        128KB

      • memory/4768-60-0x0000000075310000-0x0000000075400000-memory.dmp

        Filesize

        960KB

      • memory/4768-35-0x00000000001C0000-0x00000000001E0000-memory.dmp

        Filesize

        128KB

      • memory/4768-36-0x00000000001C0000-0x00000000001E0000-memory.dmp

        Filesize

        128KB

      • memory/4768-37-0x00000000001C0000-0x00000000001E0000-memory.dmp

        Filesize

        128KB

      • memory/4768-39-0x00000000001C0000-0x00000000001E0000-memory.dmp

        Filesize

        128KB

      • memory/4768-38-0x00000000001C0000-0x00000000001E0000-memory.dmp

        Filesize

        128KB

      • memory/4768-40-0x00000000001C0000-0x00000000001E0000-memory.dmp

        Filesize

        128KB

      • memory/4768-42-0x00000000001C0000-0x00000000001E0000-memory.dmp

        Filesize

        128KB

      • memory/4768-41-0x00000000001C0000-0x00000000001E0000-memory.dmp

        Filesize

        128KB

      • memory/4768-44-0x00000000001C0000-0x00000000001E0000-memory.dmp

        Filesize

        128KB

      • memory/4768-45-0x00000000001C0000-0x00000000001E0000-memory.dmp

        Filesize

        128KB

      • memory/4768-43-0x00000000001C0000-0x00000000001E0000-memory.dmp

        Filesize

        128KB

      • memory/4768-46-0x00000000001C0000-0x00000000001E0000-memory.dmp

        Filesize

        128KB

      • memory/4768-48-0x00000000001C0000-0x00000000001E0000-memory.dmp

        Filesize

        128KB

      • memory/4768-47-0x00000000001C0000-0x00000000001E0000-memory.dmp

        Filesize

        128KB

      • memory/4768-18-0x0000000075310000-0x0000000075400000-memory.dmp

        Filesize

        960KB

      • memory/4768-17-0x0000000075310000-0x0000000075400000-memory.dmp

        Filesize

        960KB

      • memory/4768-16-0x0000000075310000-0x0000000075400000-memory.dmp

        Filesize

        960KB

      • memory/4768-15-0x0000000075310000-0x0000000075400000-memory.dmp

        Filesize

        960KB

      • memory/4768-14-0x0000000075310000-0x0000000075400000-memory.dmp

        Filesize

        960KB

      • memory/4768-13-0x0000000075310000-0x0000000075400000-memory.dmp

        Filesize

        960KB

      • memory/4768-11-0x0000000075310000-0x0000000075400000-memory.dmp

        Filesize

        960KB

      • memory/4768-12-0x0000000075310000-0x0000000075400000-memory.dmp

        Filesize

        960KB

      • memory/4768-10-0x0000000075310000-0x0000000075400000-memory.dmp

        Filesize

        960KB

      • memory/4768-9-0x0000000075330000-0x0000000075331000-memory.dmp

        Filesize

        4KB

      • memory/4768-237-0x0000000075310000-0x0000000075400000-memory.dmp

        Filesize

        960KB