Analysis

  • max time kernel
    150s
  • 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
    02-12-2024 22:06

General

  • Target

    ba6497afbe0926644cd4a8c79a49504c_JaffaCakes118.exe

  • Size

    295KB

  • MD5

    ba6497afbe0926644cd4a8c79a49504c

  • SHA1

    bddd385a59ad965ea61b69d687cf72cd395c0777

  • SHA256

    257e2870a720fbf9235a0c949df587900913bf9049565f9a5471b57d854c5ac7

  • SHA512

    7d34b02d5a4544f064deecacc82ed303c27b6aa31b2d371e6b7533b8ed465f3bfeb784d349ee9402183a9c2f003875152b23be5a184af51c1fa22d784cdbca6a

  • SSDEEP

    6144:1xk4N6NLhWv+8+JDPQBP7tn8JA9sSFR8+qBQi2KC:1q4N0Wh+JDYBP7tnCA5F2fadKC

Malware Config

Signatures

  • Darkcomet

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

  • Darkcomet family
  • 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 2 IoCs

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

  • Executes dropped EXE 3 IoCs
  • Adds Run key to start application 2 TTPs 2 IoCs
  • Suspicious use of SetThreadContext 2 IoCs
  • UPX packed file 8 IoCs

    Detects executables packed with UPX/modified UPX open source packer.

  • Subvert Trust Controls: Mark-of-the-Web Bypass 1 TTPs 2 IoCs

    When files are downloaded from the Internet, they are tagged with a hidden NTFS Alternate Data Stream (ADS) named Zone.Identifier with a specific value known as the MOTW.

  • Enumerates physical storage devices 1 TTPs

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

  • System Location Discovery: System Language Discovery 1 TTPs 7 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
  • NTFS ADS 2 IoCs
  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious use of AdjustPrivilegeToken 51 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 28 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\ba6497afbe0926644cd4a8c79a49504c_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\ba6497afbe0926644cd4a8c79a49504c_JaffaCakes118.exe"
    1⤵
    • Checks computer location settings
    • Adds Run key to start application
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:404
    • C:\Windows\SysWOW64\cmd.exe
      "cmd"
      2⤵
      • Subvert Trust Controls: Mark-of-the-Web Bypass
      • System Location Discovery: System Language Discovery
      • NTFS ADS
      PID:4008
    • C:\Users\Admin\AppData\Local\Temp\ba6497afbe0926644cd4a8c79a49504c_JaffaCakes118.exe
      ba6497afbe0926644cd4a8c79a49504c_JaffaCakes118.exe
      2⤵
      • Checks BIOS information in registry
      • System Location Discovery: System Language Discovery
      • Checks processor information in registry
      • Enumerates system info in registry
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      PID:3244
    • C:\Users\Admin\AppData\Roaming\Microsoft\Protect\Credentials\taskhostt.exe
      "C:\Users\Admin\AppData\Roaming\Microsoft\Protect\Credentials\taskhostt.exe"
      2⤵
      • Checks computer location settings
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:928
      • C:\Windows\SysWOW64\cmd.exe
        "cmd"
        3⤵
        • Subvert Trust Controls: Mark-of-the-Web Bypass
        • System Location Discovery: System Language Discovery
        • NTFS ADS
        PID:1100
      • C:\Users\Admin\AppData\Roaming\Microsoft\Protect\Credentials\wmpnetvk.exe
        "C:\Users\Admin\AppData\Roaming\Microsoft\Protect\Credentials\wmpnetvk.exe"
        3⤵
        • Executes dropped EXE
        • Adds Run key to start application
        • Suspicious use of SetThreadContext
        • System Location Discovery: System Language Discovery
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of WriteProcessMemory
        PID:3400
        • C:\Users\Admin\AppData\Roaming\Microsoft\Protect\Credentials\wmpnetvk.exe
          wmpnetvk.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:2380

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Roaming\Microsoft\Protect\Credentials\taskhostt.exe

    Filesize

    9KB

    MD5

    30c0fa38b260a9e5556639616b2e079e

    SHA1

    08513eb7b48103b8d9e891f1dc0640f8b0f9d909

    SHA256

    aae996e10a3db0a42c30b4d81474483939e0b11750f43f97e80ee20a3eca6dd7

    SHA512

    55a10dc49c59134886a43eb286db475b27cfde1e3a182e46c17eb0432482f976a1d7e07a2f9273ec46fff4b28376d2df1890cf102c07f59f8c5153d509a8bb35

  • C:\Users\Admin\AppData\Roaming\Microsoft\Protect\Credentials\wmpnetvk.exe

    Filesize

    295KB

    MD5

    ba6497afbe0926644cd4a8c79a49504c

    SHA1

    bddd385a59ad965ea61b69d687cf72cd395c0777

    SHA256

    257e2870a720fbf9235a0c949df587900913bf9049565f9a5471b57d854c5ac7

    SHA512

    7d34b02d5a4544f064deecacc82ed303c27b6aa31b2d371e6b7533b8ed465f3bfeb784d349ee9402183a9c2f003875152b23be5a184af51c1fa22d784cdbca6a

  • C:\Users\Admin\AppData\Roaming\Microsoft\Protect\Credentials\wmpnetvk.exe:ZONE.identifier

    Filesize

    27B

    MD5

    130a75a932a2fe57bfea6a65b88da8f6

    SHA1

    b66d7530d150d45c0a390bb3c2cd4ca4fc404d1c

    SHA256

    f2b79cae559d6772afc1c2ed9468988178f8b6833d5028a15dea73ce47d0196e

    SHA512

    6cd147c6f3af95803b7b0898e97ec2ed374c1f56a487b50e3d22003a67cec26a6fa12a3920b1b5624bde156f9601469ae3c7b7354fa8cf37be76c84121767eed

  • memory/404-0-0x0000000074B42000-0x0000000074B43000-memory.dmp

    Filesize

    4KB

  • memory/404-2-0x0000000074B40000-0x00000000750F1000-memory.dmp

    Filesize

    5.7MB

  • memory/404-40-0x0000000074B40000-0x00000000750F1000-memory.dmp

    Filesize

    5.7MB

  • memory/404-39-0x0000000074B40000-0x00000000750F1000-memory.dmp

    Filesize

    5.7MB

  • memory/404-38-0x0000000074B42000-0x0000000074B43000-memory.dmp

    Filesize

    4KB

  • memory/404-1-0x0000000074B40000-0x00000000750F1000-memory.dmp

    Filesize

    5.7MB

  • memory/928-43-0x0000000074B40000-0x00000000750F1000-memory.dmp

    Filesize

    5.7MB

  • memory/928-27-0x0000000074B42000-0x0000000074B43000-memory.dmp

    Filesize

    4KB

  • memory/928-42-0x0000000074B40000-0x00000000750F1000-memory.dmp

    Filesize

    5.7MB

  • memory/928-41-0x0000000074B42000-0x0000000074B43000-memory.dmp

    Filesize

    4KB

  • memory/928-29-0x0000000074B40000-0x00000000750F1000-memory.dmp

    Filesize

    5.7MB

  • memory/928-28-0x0000000074B40000-0x00000000750F1000-memory.dmp

    Filesize

    5.7MB

  • memory/3244-9-0x0000000013140000-0x00000000131FB000-memory.dmp

    Filesize

    748KB

  • memory/3244-14-0x0000000013140000-0x00000000131FB000-memory.dmp

    Filesize

    748KB

  • memory/3244-16-0x0000000013140000-0x00000000131FB000-memory.dmp

    Filesize

    748KB

  • memory/3244-15-0x0000000013140000-0x00000000131FB000-memory.dmp

    Filesize

    748KB

  • memory/3244-13-0x0000000003040000-0x0000000003041000-memory.dmp

    Filesize

    4KB

  • memory/3244-12-0x0000000013140000-0x00000000131FB000-memory.dmp

    Filesize

    748KB

  • memory/3244-11-0x0000000013140000-0x00000000131FB000-memory.dmp

    Filesize

    748KB

  • memory/3244-10-0x0000000013140000-0x00000000131FB000-memory.dmp

    Filesize

    748KB

  • memory/3244-8-0x0000000013140000-0x00000000131FB000-memory.dmp

    Filesize

    748KB