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
    02-01-2025 21:55

General

  • Target

    3b1ecaa75aea2d88f951ad45dad108d7e1ba9fdf56bcc34fcf7ab8b58c5eeee2.exe

  • Size

    788KB

  • MD5

    615d3ff5f5ce005a389a449840076c60

  • SHA1

    8cb3f195b4448968c98c78182168d305103095bd

  • SHA256

    3b1ecaa75aea2d88f951ad45dad108d7e1ba9fdf56bcc34fcf7ab8b58c5eeee2

  • SHA512

    63f5613736c2b9f1be812356279ae90b4c3d421b6e5737b3e54090bc72317c0e10d3061b4c084c8dc10a59ae3eb514af85bca1b07cfef526d12a08c8839472e0

  • SSDEEP

    24576:nydhdSZQgDjhwXklxaUpOh+bVtDSLVIlAiTc1iq:7Zd/WOxavh4VILVWAiTEj

Malware Config

Extracted

Family

darkcomet

Botnet

Hack

C2

gnx.zapto.org:1604

Mutex

DC_MUTEX-JPB8HU8

Attributes
  • InstallPath

    MSDCSC\AppleMobileDevide.exe

  • gencode

    H0ZSpRUYyeXZ

  • install

    true

  • offline_keylogger

    true

  • persistence

    true

  • reg_key

    MicroUpdate

Signatures

  • Darkcomet

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

  • Darkcomet family
  • Modifies WinLogon for persistence 2 TTPs 1 IoCs
  • Checks computer location settings 2 TTPs 1 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
  • Enumerates physical storage devices 1 TTPs

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

  • System Location Discovery: System Language Discovery 1 TTPs 11 IoCs

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

  • Runs net.exe
  • Suspicious use of AdjustPrivilegeToken 48 IoCs
  • Suspicious use of SetWindowsHookEx 3 IoCs
  • Suspicious use of WriteProcessMemory 64 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\3b1ecaa75aea2d88f951ad45dad108d7e1ba9fdf56bcc34fcf7ab8b58c5eeee2.exe
    "C:\Users\Admin\AppData\Local\Temp\3b1ecaa75aea2d88f951ad45dad108d7e1ba9fdf56bcc34fcf7ab8b58c5eeee2.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:2072
    • C:\Windows\SysWOW64\cmd.exe
      /c net stop MpsSvc
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:5076
      • C:\Windows\SysWOW64\net.exe
        net stop MpsSvc
        3⤵
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:1888
        • C:\Windows\SysWOW64\net1.exe
          C:\Windows\system32\net1 stop MpsSvc
          4⤵
          • System Location Discovery: System Language Discovery
          PID:4996
    • C:\Users\Admin\AppData\Local\Temp\3b1ecaa75aea2d88f951ad45dad108d7e1ba9fdf56bcc34fcf7ab8b58c5eeee2.exe
      C:\Users\Admin\AppData\Local\Temp\3b1ecaa75aea2d88f951ad45dad108d7e1ba9fdf56bcc34fcf7ab8b58c5eeee2.exe
      2⤵
      • Modifies WinLogon for persistence
      • Checks computer location settings
      • Executes dropped EXE
      • Adds Run key to start application
      • System Location Discovery: System Language Discovery
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:4088
      • C:\Users\Admin\Documents\MSDCSC\AppleMobileDevide.exe
        "C:\Users\Admin\Documents\MSDCSC\AppleMobileDevide.exe"
        3⤵
        • Executes dropped EXE
        • Suspicious use of SetThreadContext
        • System Location Discovery: System Language Discovery
        • Suspicious use of SetWindowsHookEx
        • Suspicious use of WriteProcessMemory
        PID:4684
        • C:\Windows\SysWOW64\cmd.exe
          /c net stop MpsSvc
          4⤵
          • System Location Discovery: System Language Discovery
          PID:5028
          • C:\Windows\SysWOW64\net.exe
            net stop MpsSvc
            5⤵
            • System Location Discovery: System Language Discovery
            PID:2924
            • C:\Windows\SysWOW64\net1.exe
              C:\Windows\system32\net1 stop MpsSvc
              6⤵
              • System Location Discovery: System Language Discovery
              PID:1540
        • C:\Users\Admin\Documents\MSDCSC\AppleMobileDevide.exe
          C:\Users\Admin\Documents\MSDCSC\AppleMobileDevide.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
          • Suspicious use of WriteProcessMemory
          PID:4648
          • C:\Windows\SysWOW64\notepad.exe
            notepad
            5⤵
            • System Location Discovery: System Language Discovery
            PID:3452

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Temp\3b1ecaa75aea2d88f951ad45dad108d7e1ba9fdf56bcc34fcf7ab8b58c5eeee2.exe

    Filesize

    788KB

    MD5

    615d3ff5f5ce005a389a449840076c60

    SHA1

    8cb3f195b4448968c98c78182168d305103095bd

    SHA256

    3b1ecaa75aea2d88f951ad45dad108d7e1ba9fdf56bcc34fcf7ab8b58c5eeee2

    SHA512

    63f5613736c2b9f1be812356279ae90b4c3d421b6e5737b3e54090bc72317c0e10d3061b4c084c8dc10a59ae3eb514af85bca1b07cfef526d12a08c8839472e0

  • memory/2072-0-0x0000000003B20000-0x0000000003B24000-memory.dmp

    Filesize

    16KB

  • memory/3452-26-0x0000000000F40000-0x0000000000F41000-memory.dmp

    Filesize

    4KB

  • memory/4088-1-0x0000000000400000-0x00000000004B2000-memory.dmp

    Filesize

    712KB

  • memory/4088-3-0x0000000000400000-0x00000000004B2000-memory.dmp

    Filesize

    712KB

  • memory/4088-4-0x0000000000400000-0x00000000004B2000-memory.dmp

    Filesize

    712KB

  • memory/4088-5-0x0000000000400000-0x00000000004B2000-memory.dmp

    Filesize

    712KB

  • memory/4088-6-0x0000000000400000-0x00000000004B2000-memory.dmp

    Filesize

    712KB

  • memory/4088-29-0x0000000000400000-0x00000000004B2000-memory.dmp

    Filesize

    712KB

  • memory/4648-38-0x0000000000400000-0x00000000004B2000-memory.dmp

    Filesize

    712KB

  • memory/4648-35-0x0000000000400000-0x00000000004B2000-memory.dmp

    Filesize

    712KB

  • memory/4648-25-0x0000000000400000-0x00000000004B2000-memory.dmp

    Filesize

    712KB

  • memory/4648-28-0x0000000000400000-0x00000000004B2000-memory.dmp

    Filesize

    712KB

  • memory/4648-24-0x0000000000400000-0x00000000004B2000-memory.dmp

    Filesize

    712KB

  • memory/4648-31-0x0000000000400000-0x00000000004B2000-memory.dmp

    Filesize

    712KB

  • memory/4648-32-0x0000000000400000-0x00000000004B2000-memory.dmp

    Filesize

    712KB

  • memory/4648-33-0x0000000000400000-0x00000000004B2000-memory.dmp

    Filesize

    712KB

  • memory/4648-34-0x0000000000400000-0x00000000004B2000-memory.dmp

    Filesize

    712KB

  • memory/4648-27-0x0000000000400000-0x00000000004B2000-memory.dmp

    Filesize

    712KB

  • memory/4648-36-0x0000000000400000-0x00000000004B2000-memory.dmp

    Filesize

    712KB

  • memory/4648-37-0x0000000000400000-0x00000000004B2000-memory.dmp

    Filesize

    712KB

  • memory/4648-45-0x0000000000400000-0x00000000004B2000-memory.dmp

    Filesize

    712KB

  • memory/4648-39-0x0000000000400000-0x00000000004B2000-memory.dmp

    Filesize

    712KB

  • memory/4648-40-0x0000000000400000-0x00000000004B2000-memory.dmp

    Filesize

    712KB

  • memory/4648-41-0x0000000000400000-0x00000000004B2000-memory.dmp

    Filesize

    712KB

  • memory/4648-42-0x0000000000400000-0x00000000004B2000-memory.dmp

    Filesize

    712KB

  • memory/4648-43-0x0000000000400000-0x00000000004B2000-memory.dmp

    Filesize

    712KB

  • memory/4648-44-0x0000000000400000-0x00000000004B2000-memory.dmp

    Filesize

    712KB

  • memory/4684-19-0x0000000000400000-0x0000000000411000-memory.dmp

    Filesize

    68KB