Analysis

  • max time kernel
    149s
  • max time network
    150s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-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
  • Executes dropped EXE 3 IoCs
  • Loads dropped DLL 4 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 46 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⤵
    • Loads dropped DLL
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:2548
    • C:\Windows\SysWOW64\cmd.exe
      /c net stop MpsSvc
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:1704
      • C:\Windows\SysWOW64\net.exe
        net stop MpsSvc
        3⤵
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:2908
        • C:\Windows\SysWOW64\net1.exe
          C:\Windows\system32\net1 stop MpsSvc
          4⤵
          • System Location Discovery: System Language Discovery
          PID:2300
    • C:\Users\Admin\AppData\Local\Temp\3b1ecaa75aea2d88f951ad45dad108d7e1ba9fdf56bcc34fcf7ab8b58c5eeee2.exe
      C:\Users\Admin\AppData\Local\Temp\3b1ecaa75aea2d88f951ad45dad108d7e1ba9fdf56bcc34fcf7ab8b58c5eeee2.exe
      2⤵
      • Modifies WinLogon for persistence
      • Executes dropped EXE
      • Loads dropped DLL
      • Adds Run key to start application
      • System Location Discovery: System Language Discovery
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:1464
      • C:\Users\Admin\Documents\MSDCSC\AppleMobileDevide.exe
        "C:\Users\Admin\Documents\MSDCSC\AppleMobileDevide.exe"
        3⤵
        • Executes dropped EXE
        • Loads dropped DLL
        • Suspicious use of SetThreadContext
        • System Location Discovery: System Language Discovery
        • Suspicious use of SetWindowsHookEx
        • Suspicious use of WriteProcessMemory
        PID:2912
        • C:\Windows\SysWOW64\cmd.exe
          /c net stop MpsSvc
          4⤵
          • System Location Discovery: System Language Discovery
          PID:1636
          • C:\Windows\SysWOW64\net.exe
            net stop MpsSvc
            5⤵
            • System Location Discovery: System Language Discovery
            PID:1280
            • C:\Windows\SysWOW64\net1.exe
              C:\Windows\system32\net1 stop MpsSvc
              6⤵
              • System Location Discovery: System Language Discovery
              PID:1520
        • 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:2108
          • C:\Windows\SysWOW64\notepad.exe
            notepad
            5⤵
            • System Location Discovery: System Language Discovery
            PID:1912

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

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

    Filesize

    788KB

    MD5

    615d3ff5f5ce005a389a449840076c60

    SHA1

    8cb3f195b4448968c98c78182168d305103095bd

    SHA256

    3b1ecaa75aea2d88f951ad45dad108d7e1ba9fdf56bcc34fcf7ab8b58c5eeee2

    SHA512

    63f5613736c2b9f1be812356279ae90b4c3d421b6e5737b3e54090bc72317c0e10d3061b4c084c8dc10a59ae3eb514af85bca1b07cfef526d12a08c8839472e0

  • memory/1464-8-0x0000000000400000-0x00000000004B2000-memory.dmp

    Filesize

    712KB

  • memory/1464-17-0x0000000000400000-0x00000000004B2000-memory.dmp

    Filesize

    712KB

  • memory/1464-6-0x0000000000400000-0x00000000004B2000-memory.dmp

    Filesize

    712KB

  • memory/1464-4-0x0000000000400000-0x00000000004B2000-memory.dmp

    Filesize

    712KB

  • memory/1464-13-0x0000000000400000-0x00000000004B2000-memory.dmp

    Filesize

    712KB

  • memory/1464-11-0x0000000000400000-0x00000000004B2000-memory.dmp

    Filesize

    712KB

  • memory/1464-9-0x0000000000400000-0x00000000004B2000-memory.dmp

    Filesize

    712KB

  • memory/1464-7-0x0000000000400000-0x00000000004B2000-memory.dmp

    Filesize

    712KB

  • memory/1464-99-0x0000000000400000-0x00000000004B2000-memory.dmp

    Filesize

    712KB

  • memory/1464-19-0x0000000000400000-0x00000000004B2000-memory.dmp

    Filesize

    712KB

  • memory/1464-15-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

    Filesize

    4KB

  • memory/1464-20-0x0000000000400000-0x00000000004B2000-memory.dmp

    Filesize

    712KB

  • memory/1464-3-0x0000000000400000-0x00000000004B2000-memory.dmp

    Filesize

    712KB

  • memory/1464-21-0x0000000000400000-0x00000000004B2000-memory.dmp

    Filesize

    712KB

  • memory/1912-56-0x0000000000080000-0x0000000000081000-memory.dmp

    Filesize

    4KB

  • memory/2108-55-0x0000000000400000-0x00000000004B2000-memory.dmp

    Filesize

    712KB

  • memory/2548-0-0x0000000000290000-0x0000000000294000-memory.dmp

    Filesize

    16KB

  • memory/2912-33-0x0000000000400000-0x0000000000411000-memory.dmp

    Filesize

    68KB