Analysis

  • max time kernel
    150s
  • max time network
    150s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    04-01-2025 00:13

General

  • Target

    JaffaCakes118_76820646e34735e5c96dc6a213721e3e.exe

  • Size

    679KB

  • MD5

    76820646e34735e5c96dc6a213721e3e

  • SHA1

    a686538a25ddbd0bd80034ccee2e2e81d16e8bf3

  • SHA256

    e350b3b114a4de8395368a5a333ce71a2037aaa9685eae8f0c946c2d461e5f9f

  • SHA512

    5ee7dbd8f9e1aa1b68fe5005d35a6e7a1ec064da1baf695a8459660a5d49943acf7d208be2646dd2d8a7a20b0fe57932db33484e87b7ea28180a46dbaff01f7b

  • SSDEEP

    12288:24av+00DAsSQvZ+6pocqQIcyvjSiyjRCmCwrLD+BEsK4HY9YNVzYKj86syB05Nl:24ZDAGv/ocqQIVjyjTrL6uCvNpYOcl

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
  • Sets file to hidden 1 TTPs 1 IoCs

    Modifies file attributes to stop it showing in Explorer etc.

  • 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 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 8 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 6 IoCs
  • Runs ping.exe 1 TTPs 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 48 IoCs
  • Suspicious use of SetWindowsHookEx 3 IoCs
  • Suspicious use of WriteProcessMemory 43 IoCs
  • Views/modifies file attributes 1 TTPs 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_76820646e34735e5c96dc6a213721e3e.exe
    "C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_76820646e34735e5c96dc6a213721e3e.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Modifies registry class
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:608
    • C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_76820646e34735e5c96dc6a213721e3e.exe
      "C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_76820646e34735e5c96dc6a213721e3e.exe"
      2⤵
      • Modifies WinLogon for persistence
      • Checks computer location settings
      • Adds Run key to start application
      • System Location Discovery: System Language Discovery
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:4552
      • 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:1432
        • 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:2100
      • C:\Windupdt\winupdate.exe
        "C:\Windupdt\winupdate.exe"
        3⤵
        • Executes dropped EXE
        • Suspicious use of SetThreadContext
        • System Location Discovery: System Language Discovery
        • Modifies registry class
        • Suspicious use of SetWindowsHookEx
        • Suspicious use of WriteProcessMemory
        PID:2696
        • C:\Windupdt\winupdate.exe
          "C:\Windupdt\winupdate.exe"
          4⤵
          • Executes dropped EXE
          • Adds Run key to start application
          • System Location Discovery: System Language Discovery
          • Suspicious use of AdjustPrivilegeToken
          • Suspicious use of SetWindowsHookEx
          PID:4876
      • C:\Windows\SysWOW64\cmd.exe
        "C:\Windows\System32\cmd.exe" /k ping 127.0.0.1 -n 5 > NUL&del "C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_76820646e34735e5c96dc6a213721e3e.exe"
        3⤵
        • System Location Discovery: System Language Discovery
        • System Network Configuration Discovery: Internet Connection Discovery
        • Suspicious use of WriteProcessMemory
        PID:3216
        • C:\Windows\SysWOW64\PING.EXE
          ping 127.0.0.1 -n 5
          4⤵
          • System Location Discovery: System Language Discovery
          • System Network Configuration Discovery: Internet Connection Discovery
          • Runs ping.exe
          PID:4504

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Windupdt\winupdate.exe

    Filesize

    679KB

    MD5

    76820646e34735e5c96dc6a213721e3e

    SHA1

    a686538a25ddbd0bd80034ccee2e2e81d16e8bf3

    SHA256

    e350b3b114a4de8395368a5a333ce71a2037aaa9685eae8f0c946c2d461e5f9f

    SHA512

    5ee7dbd8f9e1aa1b68fe5005d35a6e7a1ec064da1baf695a8459660a5d49943acf7d208be2646dd2d8a7a20b0fe57932db33484e87b7ea28180a46dbaff01f7b

  • memory/608-0-0x0000000000400000-0x000000000074E000-memory.dmp

    Filesize

    3.3MB

  • memory/608-1-0x0000000002E00000-0x0000000002E03000-memory.dmp

    Filesize

    12KB

  • memory/608-2-0x0000000002E50000-0x0000000002E51000-memory.dmp

    Filesize

    4KB

  • memory/608-25-0x0000000002DF0000-0x0000000002DF1000-memory.dmp

    Filesize

    4KB

  • memory/608-24-0x00000000024D0000-0x00000000024D1000-memory.dmp

    Filesize

    4KB

  • memory/608-23-0x0000000002E50000-0x0000000002E51000-memory.dmp

    Filesize

    4KB

  • memory/608-22-0x0000000002E50000-0x0000000002E51000-memory.dmp

    Filesize

    4KB

  • memory/608-21-0x0000000002E50000-0x0000000002E51000-memory.dmp

    Filesize

    4KB

  • memory/608-20-0x0000000002E50000-0x0000000002E51000-memory.dmp

    Filesize

    4KB

  • memory/608-19-0x0000000002E50000-0x0000000002E51000-memory.dmp

    Filesize

    4KB

  • memory/608-18-0x0000000002E50000-0x0000000002E51000-memory.dmp

    Filesize

    4KB

  • memory/608-17-0x0000000002E50000-0x0000000002E51000-memory.dmp

    Filesize

    4KB

  • memory/608-16-0x0000000002E50000-0x0000000002E51000-memory.dmp

    Filesize

    4KB

  • memory/608-15-0x0000000002E60000-0x0000000002E61000-memory.dmp

    Filesize

    4KB

  • memory/608-14-0x0000000002E60000-0x0000000002E61000-memory.dmp

    Filesize

    4KB

  • memory/608-13-0x0000000002E60000-0x0000000002E61000-memory.dmp

    Filesize

    4KB

  • memory/608-12-0x0000000002E60000-0x0000000002E61000-memory.dmp

    Filesize

    4KB

  • memory/608-11-0x0000000002E60000-0x0000000002E61000-memory.dmp

    Filesize

    4KB

  • memory/608-9-0x0000000002E60000-0x0000000002E61000-memory.dmp

    Filesize

    4KB

  • memory/608-8-0x0000000002E60000-0x0000000002E61000-memory.dmp

    Filesize

    4KB

  • memory/608-7-0x0000000002E60000-0x0000000002E61000-memory.dmp

    Filesize

    4KB

  • memory/608-6-0x0000000002E60000-0x0000000002E61000-memory.dmp

    Filesize

    4KB

  • memory/608-5-0x0000000002E60000-0x0000000002E61000-memory.dmp

    Filesize

    4KB

  • memory/608-4-0x0000000002E60000-0x0000000002E61000-memory.dmp

    Filesize

    4KB

  • memory/608-3-0x0000000002E60000-0x0000000002E61000-memory.dmp

    Filesize

    4KB

  • memory/608-10-0x0000000002E60000-0x0000000002E61000-memory.dmp

    Filesize

    4KB

  • memory/608-30-0x00000000024C0000-0x00000000024C1000-memory.dmp

    Filesize

    4KB

  • memory/608-31-0x0000000002E20000-0x0000000002E21000-memory.dmp

    Filesize

    4KB

  • memory/608-44-0x0000000002E90000-0x0000000002E91000-memory.dmp

    Filesize

    4KB

  • memory/608-43-0x0000000002FB0000-0x0000000002FB1000-memory.dmp

    Filesize

    4KB

  • memory/608-42-0x0000000002E80000-0x0000000002E81000-memory.dmp

    Filesize

    4KB

  • memory/608-41-0x0000000003000000-0x0000000003001000-memory.dmp

    Filesize

    4KB

  • memory/608-40-0x0000000003010000-0x0000000003011000-memory.dmp

    Filesize

    4KB

  • memory/608-46-0x0000000003020000-0x0000000003021000-memory.dmp

    Filesize

    4KB

  • memory/608-45-0x0000000002FD0000-0x0000000002FD1000-memory.dmp

    Filesize

    4KB

  • memory/608-39-0x0000000002FE0000-0x0000000002FE1000-memory.dmp

    Filesize

    4KB

  • memory/608-38-0x0000000002FF0000-0x0000000002FF1000-memory.dmp

    Filesize

    4KB

  • memory/608-37-0x0000000002FC0000-0x0000000002FC1000-memory.dmp

    Filesize

    4KB

  • memory/608-36-0x0000000002E70000-0x0000000002E71000-memory.dmp

    Filesize

    4KB

  • memory/608-35-0x0000000002E50000-0x0000000002E51000-memory.dmp

    Filesize

    4KB

  • memory/608-34-0x0000000002E60000-0x0000000002E61000-memory.dmp

    Filesize

    4KB

  • memory/608-47-0x0000000003040000-0x0000000003041000-memory.dmp

    Filesize

    4KB

  • memory/608-33-0x0000000002500000-0x0000000002501000-memory.dmp

    Filesize

    4KB

  • memory/608-32-0x0000000002540000-0x0000000002541000-memory.dmp

    Filesize

    4KB

  • memory/608-29-0x0000000000B10000-0x0000000000B11000-memory.dmp

    Filesize

    4KB

  • memory/608-28-0x0000000002E10000-0x0000000002E11000-memory.dmp

    Filesize

    4KB

  • memory/608-48-0x0000000000400000-0x000000000074E000-memory.dmp

    Filesize

    3.3MB

  • memory/608-50-0x0000000003350000-0x0000000003351000-memory.dmp

    Filesize

    4KB

  • memory/608-49-0x0000000003360000-0x0000000003361000-memory.dmp

    Filesize

    4KB

  • memory/608-54-0x0000000000400000-0x000000000074E000-memory.dmp

    Filesize

    3.3MB

  • memory/2696-68-0x0000000000400000-0x000000000074E000-memory.dmp

    Filesize

    3.3MB

  • memory/2696-80-0x0000000000400000-0x000000000074E000-memory.dmp

    Filesize

    3.3MB

  • memory/4552-51-0x0000000000400000-0x00000000004B3000-memory.dmp

    Filesize

    716KB

  • memory/4552-52-0x0000000000400000-0x00000000004B3000-memory.dmp

    Filesize

    716KB

  • memory/4552-67-0x0000000000400000-0x00000000004B3000-memory.dmp

    Filesize

    716KB

  • memory/4876-74-0x0000000000400000-0x00000000004B3000-memory.dmp

    Filesize

    716KB

  • memory/4876-76-0x0000000000400000-0x00000000004B3000-memory.dmp

    Filesize

    716KB

  • memory/4876-79-0x0000000000400000-0x00000000004B3000-memory.dmp

    Filesize

    716KB

  • memory/4876-78-0x0000000000400000-0x00000000004B3000-memory.dmp

    Filesize

    716KB

  • memory/4876-77-0x0000000000400000-0x00000000004B3000-memory.dmp

    Filesize

    716KB

  • memory/4876-81-0x0000000000400000-0x00000000004B3000-memory.dmp

    Filesize

    716KB

  • memory/4876-82-0x0000000000400000-0x00000000004B3000-memory.dmp

    Filesize

    716KB

  • memory/4876-83-0x0000000000400000-0x00000000004B3000-memory.dmp

    Filesize

    716KB

  • memory/4876-84-0x0000000000400000-0x00000000004B3000-memory.dmp

    Filesize

    716KB

  • memory/4876-85-0x0000000000400000-0x00000000004B3000-memory.dmp

    Filesize

    716KB

  • memory/4876-86-0x0000000000400000-0x00000000004B3000-memory.dmp

    Filesize

    716KB

  • memory/4876-87-0x0000000000400000-0x00000000004B3000-memory.dmp

    Filesize

    716KB

  • memory/4876-88-0x0000000000400000-0x00000000004B3000-memory.dmp

    Filesize

    716KB

  • memory/4876-89-0x0000000000400000-0x00000000004B3000-memory.dmp

    Filesize

    716KB

  • memory/4876-90-0x0000000000400000-0x00000000004B3000-memory.dmp

    Filesize

    716KB

  • memory/4876-91-0x0000000000400000-0x00000000004B3000-memory.dmp

    Filesize

    716KB

  • memory/4876-92-0x0000000000400000-0x00000000004B3000-memory.dmp

    Filesize

    716KB

  • memory/4876-93-0x0000000000400000-0x00000000004B3000-memory.dmp

    Filesize

    716KB