Analysis

  • max time kernel
    150s
  • max time network
    19s
  • platform
    windows7_x64
  • resource
    win7-20241010-en
  • resource tags

    arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system
  • submitted
    26/02/2025, 05:13

General

  • Target

    JaffaCakes118_23de3272cd0d500bf30c60ceaf052263.exe

  • Size

    802KB

  • MD5

    23de3272cd0d500bf30c60ceaf052263

  • SHA1

    95e2fc70e1e4460b8c4d3ce6d88c32003ae88ad4

  • SHA256

    6ab8ee60f32be9888a13765e4b15f88e60ed5a5fe0e783989cad192952c5f3ae

  • SHA512

    aedb4e0596230f92197436f9e97b978594e579dfa3337917da335c4e8e1d4700073329857ca072a4f05dea6e81a95631abe29759b857b447c9149fdaa633a305

  • SSDEEP

    24576:HdlTX3yCFJymZYnVrG2cQy6VjJYWw70+/:bTX3yC3ZYnVFzox/

Malware Config

Extracted

Family

darkcomet

Attributes
  • gencode

  • install

    false

  • offline_keylogger

    false

  • persistence

    false

rc4.plain

Extracted

Family

darkcomet

Botnet

Guest16

C2

h4xinc70.no-ip.org:20112

Mutex

DC_MUTEX-FAMJLZW

Attributes
  • InstallPath

    MSDCSC\msdcsc.exe

  • gencode

    $i$HD$YCZ3RG

  • install

    true

  • offline_keylogger

    true

  • persistence

    true

  • reg_key

    MicroUpdate

rc4.plain

Signatures

  • Darkcomet

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

  • Darkcomet family
  • Modifies WinLogon for persistence 2 TTPs 2 IoCs
  • Executes dropped EXE 4 IoCs
  • Loads dropped DLL 6 IoCs
  • Adds Run key to start application 2 TTPs 3 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 7 IoCs

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

  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious use of AdjustPrivilegeToken 49 IoCs
  • Suspicious use of WriteProcessMemory 54 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_23de3272cd0d500bf30c60ceaf052263.exe
    "C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_23de3272cd0d500bf30c60ceaf052263.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1680
    • C:\Windows\Microsoft.NET\Framework\v2.0.50727\AppLaunch.exe
      C:\Windows\Microsoft.NET\Framework\v2.0.50727\AppLaunch.exe
      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:2156
      • C:\Users\Admin\Documents\MSDCSC\msdcsc.exe
        "C:\Users\Admin\Documents\MSDCSC\msdcsc.exe"
        3⤵
        • Executes dropped EXE
        • System Location Discovery: System Language Discovery
        PID:2108
    • C:\Users\Admin\AppData\Local\Temp\System\nvSCvAPISvr.exe
      "C:\Users\Admin\AppData\Local\Temp\System\nvSCvAPISvr.exe"
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Adds Run key to start application
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:2252
      • C:\Users\Admin\AppData\Local\Temp\System\SiaPort.exe
        "C:\Users\Admin\AppData\Local\Temp\System\SiaPort.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:1416
        • C:\Windows\Microsoft.NET\Framework\v2.0.50727\AppLaunch.exe
          C:\Windows\Microsoft.NET\Framework\v2.0.50727\AppLaunch.exe
          4⤵
          • 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:2216
          • C:\Users\Admin\Documents\MSDCSC\msdcsc.exe
            "C:\Users\Admin\Documents\MSDCSC\msdcsc.exe"
            5⤵
            • Executes dropped EXE
            • System Location Discovery: System Language Discovery
            PID:2232

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Temp\System\SiaPort.exe

    Filesize

    802KB

    MD5

    23de3272cd0d500bf30c60ceaf052263

    SHA1

    95e2fc70e1e4460b8c4d3ce6d88c32003ae88ad4

    SHA256

    6ab8ee60f32be9888a13765e4b15f88e60ed5a5fe0e783989cad192952c5f3ae

    SHA512

    aedb4e0596230f92197436f9e97b978594e579dfa3337917da335c4e8e1d4700073329857ca072a4f05dea6e81a95631abe29759b857b447c9149fdaa633a305

  • C:\Users\Admin\AppData\Local\Temp\System\nvSCvAPISvr.exe

    Filesize

    23KB

    MD5

    d951441b22e739047bcf51e663d20e6c

    SHA1

    12ac40540762c32308944e51d781d3ca8b2dfc0e

    SHA256

    4d17dc5e4a2a261372ee650c9cd44a54d932c0db752ebe91e4353159114d6596

    SHA512

    55ea6acd8d3dad5b2bce197aac186f5232f30610638f8243370f1017b9b3ffce79a6b5c84cc548fc9050793683e30fddb632447dfd56e04b925ce4cab76b8fd0

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

    Filesize

    54KB

    MD5

    0f01571a3e4c71eb4313175aae86488e

    SHA1

    2ba648afe2cd52edf5f25e304f77d457abf7ac0e

    SHA256

    8cc51c4c2efc8c6a401aa83a0aeced0925d5d9d2a43192f35561893cdf704022

    SHA512

    159dfbb7d385bf92f4fc48ca389b89d69f6c2616e90dfa056e725d7da78a3702694a28f9c5cab7b55adc4d4dbd7bfe5d272c8b1c9931e3ac95f6326d74576794

  • memory/1680-1-0x00000000740A0000-0x000000007464B000-memory.dmp

    Filesize

    5.7MB

  • memory/1680-2-0x00000000740A0000-0x000000007464B000-memory.dmp

    Filesize

    5.7MB

  • memory/1680-73-0x00000000740A0000-0x000000007464B000-memory.dmp

    Filesize

    5.7MB

  • memory/1680-72-0x00000000740A0000-0x000000007464B000-memory.dmp

    Filesize

    5.7MB

  • memory/1680-0-0x00000000740A1000-0x00000000740A2000-memory.dmp

    Filesize

    4KB

  • memory/2156-37-0x0000000000400000-0x00000000004C3000-memory.dmp

    Filesize

    780KB

  • memory/2156-13-0x0000000000400000-0x00000000004C3000-memory.dmp

    Filesize

    780KB

  • memory/2156-21-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

    Filesize

    4KB

  • memory/2156-19-0x0000000000400000-0x00000000004C3000-memory.dmp

    Filesize

    780KB

  • memory/2156-24-0x0000000000400000-0x00000000004C3000-memory.dmp

    Filesize

    780KB

  • memory/2156-17-0x0000000000400000-0x00000000004C3000-memory.dmp

    Filesize

    780KB

  • memory/2156-25-0x0000000000400000-0x00000000004C3000-memory.dmp

    Filesize

    780KB

  • memory/2156-23-0x0000000000400000-0x00000000004C3000-memory.dmp

    Filesize

    780KB

  • memory/2156-27-0x0000000000400000-0x00000000004C3000-memory.dmp

    Filesize

    780KB

  • memory/2156-11-0x0000000000400000-0x00000000004C3000-memory.dmp

    Filesize

    780KB

  • memory/2156-9-0x0000000000400000-0x00000000004C3000-memory.dmp

    Filesize

    780KB

  • memory/2156-20-0x0000000000400000-0x00000000004C3000-memory.dmp

    Filesize

    780KB

  • memory/2156-49-0x0000000000400000-0x00000000004C3000-memory.dmp

    Filesize

    780KB

  • memory/2156-7-0x0000000000400000-0x00000000004C3000-memory.dmp

    Filesize

    780KB

  • memory/2156-15-0x0000000000400000-0x00000000004C3000-memory.dmp

    Filesize

    780KB

  • memory/2216-62-0x0000000000400000-0x00000000004C3000-memory.dmp

    Filesize

    780KB