Analysis

  • max time kernel
    149s
  • max time network
    151s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    15-12-2024 13:00

General

  • Target

    f41ef2560568dbf67275f96faf20091f_JaffaCakes118.exe

  • Size

    1.1MB

  • MD5

    f41ef2560568dbf67275f96faf20091f

  • SHA1

    4c14b89ad8e17a2122f4e75e25b4aff1402d7a6c

  • SHA256

    e4165826c92dbf49de83364b1e148d71e56b3fa286ece7c666c4f375291ba2ae

  • SHA512

    f91835fef1fe879f0f4e6046a89660d7b675d4a37156ecf6e0983fb145587bf3ef331267e8be7f6eae49259c23daafbc89a35dd5b15925460934a278a0b38626

  • SSDEEP

    24576:GdlOOwjvfY1jXUJt/tn5qA8ls+F3TFcm7zDYvmVPflzaWH3IfUhlk/:GbwjnOXuFn5qhls+JTFb7BXlmWH34Uhy

Malware Config

Signatures

  • Darkcomet

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

  • Darkcomet family
  • Modifies WinLogon for persistence 2 TTPs 1 IoCs
  • Modifies firewall policy service 3 TTPs 3 IoCs
  • Modifies security service 2 TTPs 1 IoCs
  • Windows security bypass 2 TTPs 2 IoCs
  • Disables RegEdit via registry modification 1 IoCs
  • Sets file to hidden 1 TTPs 2 IoCs

    Modifies file attributes to stop it showing in Explorer etc.

  • Checks BIOS information in registry 2 TTPs 4 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
  • Windows security modification 2 TTPs 2 IoCs
  • Adds Run key to start application 2 TTPs 2 IoCs
  • Suspicious use of SetThreadContext 2 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • 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.

  • System Network Configuration Discovery: Internet Connection Discovery 1 TTPs 2 IoCs

    Adversaries may check for Internet connectivity on compromised systems.

  • Modifies registry class 9 IoCs
  • Runs ping.exe 1 TTPs 1 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 52 IoCs
  • Suspicious use of SetWindowsHookEx 3 IoCs
  • Suspicious use of WriteProcessMemory 49 IoCs
  • Views/modifies file attributes 1 TTPs 2 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\f41ef2560568dbf67275f96faf20091f_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\f41ef2560568dbf67275f96faf20091f_JaffaCakes118.exe"
    1⤵
    • Checks BIOS information in registry
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Modifies registry class
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:1732
    • C:\Users\Admin\AppData\Local\Temp\f41ef2560568dbf67275f96faf20091f_JaffaCakes118.exe
      2⤵
      • Modifies WinLogon for persistence
      • Checks computer location settings
      • Adds Run key to start application
      • System Location Discovery: System Language Discovery
      • Modifies registry class
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:4716
      • C:\Windows\SysWOW64\cmd.exe
        "C:\Windows\System32\cmd.exe" /k attrib "C:\Users\Admin\AppData\Local\Temp\f41ef2560568dbf67275f96faf20091f_JaffaCakes118.exe" +s +h
        3⤵
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:4860
        • C:\Windows\SysWOW64\attrib.exe
          attrib "C:\Users\Admin\AppData\Local\Temp\f41ef2560568dbf67275f96faf20091f_JaffaCakes118.exe" +s +h
          4⤵
          • Sets file to hidden
          • System Location Discovery: System Language Discovery
          • Views/modifies file attributes
          PID:4348
      • C:\Windows\SysWOW64\cmd.exe
        "C:\Windows\System32\cmd.exe" /k attrib "C:\Users\Admin\AppData\Local\Temp" +s +h
        3⤵
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:1204
        • C:\Windows\SysWOW64\attrib.exe
          attrib "C:\Users\Admin\AppData\Local\Temp" +s +h
          4⤵
          • Sets file to hidden
          • System Location Discovery: System Language Discovery
          • Views/modifies file attributes
          PID:732
      • C:\Windows\SysWOW64\cmd.exe
        "C:\Windows\System32\cmd.exe" /k ping 127.0.0.1 -n 4 && del "C:\Users\Admin\AppData\Local\Temp\f41ef2560568dbf67275f96faf20091f_JaffaCakes118.exe"
        3⤵
        • System Location Discovery: System Language Discovery
        • System Network Configuration Discovery: Internet Connection Discovery
        • Suspicious use of WriteProcessMemory
        PID:4816
        • C:\Windows\SysWOW64\PING.EXE
          ping 127.0.0.1 -n 4
          4⤵
          • System Location Discovery: System Language Discovery
          • System Network Configuration Discovery: Internet Connection Discovery
          • Runs ping.exe
          PID:4224
      • C:\Users\Admin\Documents\MSDCSC\msdcsc.exe
        "C:\Users\Admin\Documents\MSDCSC\msdcsc.exe"
        3⤵
        • Checks BIOS information in registry
        • Executes dropped EXE
        • Suspicious use of SetThreadContext
        • System Location Discovery: System Language Discovery
        • Modifies registry class
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of SetWindowsHookEx
        • Suspicious use of WriteProcessMemory
        PID:3280
        • C:\Users\Admin\Documents\MSDCSC\msdcsc.exe
          4⤵
          • Modifies firewall policy service
          • Modifies security service
          • Windows security bypass
          • Disables RegEdit via registry modification
          • Executes dropped EXE
          • Windows security modification
          • Adds Run key to start application
          • System Location Discovery: System Language Discovery
          • Suspicious behavior: GetForegroundWindowSpam
          • Suspicious use of AdjustPrivilegeToken
          • Suspicious use of SetWindowsHookEx
          PID:5032

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Temp\1D0189E0.TMP

    Filesize

    78B

    MD5

    ef309b392e1aba61e593b2c8d0eaf7ad

    SHA1

    c3c7e2c3a066abe489be088ecf0167c3243f2bbf

    SHA256

    f33b66f10dbf72d15b93cf596171c0dedc33d2b927d0cf994d7a72c8adb8b76b

    SHA512

    838733e8569f8de3765a7a63f25703cfe5e36c06d6d55118358aa2d0414ff19bd8fd28fd24aad77bd09deed6265fa5ff92d2fac9289bb5addb142e6d724b58ef

  • C:\Users\Admin\Documents\MSDCSC\msdcsc.exe

    Filesize

    1.1MB

    MD5

    f41ef2560568dbf67275f96faf20091f

    SHA1

    4c14b89ad8e17a2122f4e75e25b4aff1402d7a6c

    SHA256

    e4165826c92dbf49de83364b1e148d71e56b3fa286ece7c666c4f375291ba2ae

    SHA512

    f91835fef1fe879f0f4e6046a89660d7b675d4a37156ecf6e0983fb145587bf3ef331267e8be7f6eae49259c23daafbc89a35dd5b15925460934a278a0b38626

  • memory/1732-26-0x00000000004D0000-0x0000000000518000-memory.dmp

    Filesize

    288KB

  • memory/1732-3-0x00000000004D0000-0x0000000000518000-memory.dmp

    Filesize

    288KB

  • memory/1732-7-0x00000000004D0000-0x0000000000518000-memory.dmp

    Filesize

    288KB

  • memory/1732-10-0x0000000000400000-0x00000000004C1000-memory.dmp

    Filesize

    772KB

  • memory/1732-13-0x00000000004D0000-0x0000000000518000-memory.dmp

    Filesize

    288KB

  • memory/1732-12-0x0000000000400000-0x00000000004C1000-memory.dmp

    Filesize

    772KB

  • memory/1732-11-0x0000000000400000-0x00000000004C1000-memory.dmp

    Filesize

    772KB

  • memory/1732-16-0x00000000004D0000-0x0000000000518000-memory.dmp

    Filesize

    288KB

  • memory/1732-28-0x0000000000400000-0x00000000004C1000-memory.dmp

    Filesize

    772KB

  • memory/1732-0-0x0000000000400000-0x00000000004C1000-memory.dmp

    Filesize

    772KB

  • memory/3280-103-0x0000000002010000-0x0000000002058000-memory.dmp

    Filesize

    288KB

  • memory/3280-100-0x0000000002010000-0x0000000002058000-memory.dmp

    Filesize

    288KB

  • memory/3280-116-0x0000000002010000-0x0000000002058000-memory.dmp

    Filesize

    288KB

  • memory/3280-98-0x0000000000400000-0x00000000004C1000-memory.dmp

    Filesize

    772KB

  • memory/3280-91-0x0000000002010000-0x0000000002058000-memory.dmp

    Filesize

    288KB

  • memory/3280-118-0x0000000000400000-0x00000000004C1000-memory.dmp

    Filesize

    772KB

  • memory/3280-97-0x0000000000400000-0x00000000004C1000-memory.dmp

    Filesize

    772KB

  • memory/3280-99-0x0000000000400000-0x00000000004C1000-memory.dmp

    Filesize

    772KB

  • memory/4716-23-0x0000000000400000-0x00000000004AF000-memory.dmp

    Filesize

    700KB

  • memory/4716-20-0x0000000000400000-0x00000000004AF000-memory.dmp

    Filesize

    700KB

  • memory/4716-21-0x0000000000400000-0x00000000004AF000-memory.dmp

    Filesize

    700KB

  • memory/4716-87-0x0000000000400000-0x00000000004AF000-memory.dmp

    Filesize

    700KB

  • memory/4716-18-0x0000000000400000-0x00000000004AF000-memory.dmp

    Filesize

    700KB

  • memory/5032-120-0x0000000000400000-0x00000000004AF000-memory.dmp

    Filesize

    700KB

  • memory/5032-123-0x0000000000400000-0x00000000004AF000-memory.dmp

    Filesize

    700KB

  • memory/5032-114-0x0000000000400000-0x00000000004AF000-memory.dmp

    Filesize

    700KB

  • memory/5032-113-0x0000000000400000-0x00000000004AF000-memory.dmp

    Filesize

    700KB

  • memory/5032-111-0x0000000000400000-0x00000000004AF000-memory.dmp

    Filesize

    700KB

  • memory/5032-112-0x0000000000400000-0x00000000004AF000-memory.dmp

    Filesize

    700KB

  • memory/5032-108-0x0000000000400000-0x00000000004AF000-memory.dmp

    Filesize

    700KB

  • memory/5032-119-0x0000000000400000-0x00000000004AF000-memory.dmp

    Filesize

    700KB

  • memory/5032-110-0x0000000000400000-0x00000000004AF000-memory.dmp

    Filesize

    700KB

  • memory/5032-121-0x0000000000400000-0x00000000004AF000-memory.dmp

    Filesize

    700KB

  • memory/5032-122-0x0000000000400000-0x00000000004AF000-memory.dmp

    Filesize

    700KB

  • memory/5032-115-0x0000000000400000-0x00000000004AF000-memory.dmp

    Filesize

    700KB

  • memory/5032-124-0x0000000000400000-0x00000000004AF000-memory.dmp

    Filesize

    700KB

  • memory/5032-125-0x0000000000400000-0x00000000004AF000-memory.dmp

    Filesize

    700KB

  • memory/5032-126-0x0000000000400000-0x00000000004AF000-memory.dmp

    Filesize

    700KB

  • memory/5032-127-0x0000000000400000-0x00000000004AF000-memory.dmp

    Filesize

    700KB

  • memory/5032-128-0x0000000000400000-0x00000000004AF000-memory.dmp

    Filesize

    700KB

  • memory/5032-129-0x0000000000400000-0x00000000004AF000-memory.dmp

    Filesize

    700KB

  • memory/5032-130-0x0000000000400000-0x00000000004AF000-memory.dmp

    Filesize

    700KB

  • memory/5032-131-0x0000000000400000-0x00000000004AF000-memory.dmp

    Filesize

    700KB

  • memory/5032-132-0x0000000000400000-0x00000000004AF000-memory.dmp

    Filesize

    700KB