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Analysis

  • max time kernel
    150s
  • max time network
    142s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    24/11/2024, 21:31

General

  • Target

    974cac47e7b631754c9184e8bc84905f_JaffaCakes118.exe

  • Size

    322KB

  • MD5

    974cac47e7b631754c9184e8bc84905f

  • SHA1

    da80a570cf19a35babb40226d1e3907251f6b286

  • SHA256

    e03354e8c2cb5ae108a2806ecffe8758eb91830884b810c16e7f743e53ce238d

  • SHA512

    5fe9df9504c0c4bc413b8372c33c11886a54a767cc2c1cb49cbacb38492782bab83e6b3aacda311b207ab7ad851e43f379c8b8898a32eccae9482f650849f88e

  • SSDEEP

    6144:51TFYFW3qr6mdDe377FTJEC1h0EaS8Md10cphn6E3grMJencJxoz6wGlLi:5U6qzRy77FlEC12Enj3Q3cW6/l

Malware Config

Extracted

Family

darkcomet

Botnet

Normal

C2

carbonfibers.myftp.biz:1656

carbonfibers.linkpc.net:1656

Mutex

DC_MUTEX-5GX4X3J

Attributes
  • InstallPath

    System Services\svchost.exe

  • gencode

    ocw5E1nj2p5Z

  • install

    true

  • offline_keylogger

    true

  • password

    92496

  • persistence

    true

  • reg_key

    System Services Host

Signatures

  • Darkcomet

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

  • Darkcomet family
  • Modifies WinLogon for persistence 2 TTPs 1 IoCs
  • Sets file to hidden 1 TTPs 2 IoCs

    Modifies file attributes to stop it showing in Explorer etc.

  • Executes dropped EXE 2 IoCs
  • Loads dropped DLL 2 IoCs
  • Adds Run key to start application 2 TTPs 2 IoCs
  • Suspicious use of SetThreadContext 2 IoCs
  • UPX packed file 16 IoCs

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

  • Enumerates physical storage devices 1 TTPs

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

  • System Location Discovery: System Language Discovery 1 TTPs 9 IoCs

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

  • Suspicious behavior: EnumeratesProcesses 6 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 48 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 59 IoCs
  • Views/modifies file attributes 1 TTPs 2 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\974cac47e7b631754c9184e8bc84905f_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\974cac47e7b631754c9184e8bc84905f_JaffaCakes118.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2704
    • C:\Users\Admin\AppData\Local\Temp\974cac47e7b631754c9184e8bc84905f_JaffaCakes118.exe
      974cac47e7b631754c9184e8bc84905f_JaffaCakes118
      2⤵
      • Modifies WinLogon for persistence
      • Loads dropped DLL
      • Adds Run key to start application
      • System Location Discovery: System Language Discovery
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:2792
      • C:\Windows\SysWOW64\cmd.exe
        "C:\Windows\System32\cmd.exe" /k attrib "C:\Users\Admin\AppData\Local\Temp\974cac47e7b631754c9184e8bc84905f_JaffaCakes118.exe" +s +h
        3⤵
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:2692
        • C:\Windows\SysWOW64\attrib.exe
          attrib "C:\Users\Admin\AppData\Local\Temp\974cac47e7b631754c9184e8bc84905f_JaffaCakes118.exe" +s +h
          4⤵
          • Sets file to hidden
          • System Location Discovery: System Language Discovery
          • Views/modifies file attributes
          PID:1124
      • 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:2604
        • 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:2992
      • C:\Users\Admin\AppData\Roaming\System Services\svchost.exe
        "C:\Users\Admin\AppData\Roaming\System Services\svchost.exe"
        3⤵
        • Executes dropped EXE
        • Suspicious use of SetThreadContext
        • System Location Discovery: System Language Discovery
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of WriteProcessMemory
        PID:2840
        • C:\Users\Admin\AppData\Roaming\System Services\svchost.exe
          svchost
          4⤵
          • Executes dropped EXE
          • Adds Run key to start application
          • System Location Discovery: System Language Discovery
          • Suspicious behavior: GetForegroundWindowSpam
          • Suspicious use of AdjustPrivilegeToken
          • Suspicious use of SetWindowsHookEx
          • Suspicious use of WriteProcessMemory
          PID:580
          • C:\Windows\SysWOW64\notepad.exe
            notepad
            5⤵
            • System Location Discovery: System Language Discovery
            PID:1284

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • \Users\Admin\AppData\Roaming\System Services\svchost.exe

    Filesize

    322KB

    MD5

    974cac47e7b631754c9184e8bc84905f

    SHA1

    da80a570cf19a35babb40226d1e3907251f6b286

    SHA256

    e03354e8c2cb5ae108a2806ecffe8758eb91830884b810c16e7f743e53ce238d

    SHA512

    5fe9df9504c0c4bc413b8372c33c11886a54a767cc2c1cb49cbacb38492782bab83e6b3aacda311b207ab7ad851e43f379c8b8898a32eccae9482f650849f88e

  • memory/580-90-0x0000000000400000-0x00000000004BA000-memory.dmp

    Filesize

    744KB

  • memory/580-46-0x0000000000400000-0x00000000004BA000-memory.dmp

    Filesize

    744KB

  • memory/580-47-0x0000000000400000-0x00000000004BA000-memory.dmp

    Filesize

    744KB

  • memory/580-43-0x0000000000400000-0x00000000004BA000-memory.dmp

    Filesize

    744KB

  • memory/580-45-0x0000000000400000-0x00000000004BA000-memory.dmp

    Filesize

    744KB

  • memory/580-44-0x0000000000400000-0x00000000004BA000-memory.dmp

    Filesize

    744KB

  • memory/1284-48-0x0000000000080000-0x0000000000081000-memory.dmp

    Filesize

    4KB

  • memory/2704-19-0x00000000745A0000-0x0000000074B4B000-memory.dmp

    Filesize

    5.7MB

  • memory/2704-0-0x00000000745A1000-0x00000000745A2000-memory.dmp

    Filesize

    4KB

  • memory/2704-1-0x00000000745A0000-0x0000000074B4B000-memory.dmp

    Filesize

    5.7MB

  • memory/2704-2-0x00000000745A0000-0x0000000074B4B000-memory.dmp

    Filesize

    5.7MB

  • memory/2792-5-0x0000000000400000-0x00000000004BA000-memory.dmp

    Filesize

    744KB

  • memory/2792-14-0x0000000000400000-0x00000000004BA000-memory.dmp

    Filesize

    744KB

  • memory/2792-17-0x0000000000400000-0x00000000004BA000-memory.dmp

    Filesize

    744KB

  • memory/2792-15-0x0000000000400000-0x00000000004BA000-memory.dmp

    Filesize

    744KB

  • memory/2792-33-0x0000000000400000-0x00000000004BA000-memory.dmp

    Filesize

    744KB

  • memory/2792-7-0x0000000000400000-0x00000000004BA000-memory.dmp

    Filesize

    744KB

  • memory/2792-9-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

    Filesize

    4KB

  • memory/2792-12-0x0000000000400000-0x00000000004BA000-memory.dmp

    Filesize

    744KB

  • memory/2792-11-0x0000000000400000-0x00000000004BA000-memory.dmp

    Filesize

    744KB

  • memory/2792-3-0x0000000000400000-0x00000000004BA000-memory.dmp

    Filesize

    744KB

  • memory/2792-16-0x0000000000400000-0x00000000004BA000-memory.dmp

    Filesize

    744KB

  • memory/2792-18-0x0000000000400000-0x00000000004BA000-memory.dmp

    Filesize

    744KB