Analysis

  • max time kernel
    150s
  • max time network
    121s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    07-01-2025 17:18

General

  • Target

    9b476881db7aef7dbedcce78017129b37667ea282d0c99566a38cfa94e343821.exe

  • Size

    759KB

  • MD5

    ab5e0c9fbbf7cd002742a751c290a0c0

  • SHA1

    ef61e32aadd9ebfc674c4f951c860f2d952b639d

  • SHA256

    9b476881db7aef7dbedcce78017129b37667ea282d0c99566a38cfa94e343821

  • SHA512

    7e79dae7dc598113d4488d7b2460c174284b4b0ad530c49a091d987c1c42c323edb769c030510613023c569924f5036878a133f8dd81050f17ae3c15bcd5f2f8

  • SSDEEP

    12288:qM3iXBPCO36urpV5HODRH0xh9W1gx7K8hiz1v8hvwxUj1ShwONxyibDwdB:oqEdTE0X9WSxG8IZv8hI21ShFNxyoMj

Malware Config

Extracted

Family

darkcomet

Botnet

MusicAGO

C2

mantrust.noip.me:3013

Mutex

DC_MUTEX-80DX6FJ

Attributes
  • gencode

    5GYC98Amy0Ur

  • install

    false

  • offline_keylogger

    true

  • persistence

    false

Signatures

  • Darkcomet

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

  • Darkcomet family
  • Executes dropped EXE 3 IoCs
  • Loads dropped DLL 2 IoCs
  • Obfuscated with Agile.Net obfuscator 1 IoCs

    Detects use of the Agile.Net commercial obfuscator, which is capable of entity renaming and control flow obfuscation.

  • 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 6 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 50 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 44 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\9b476881db7aef7dbedcce78017129b37667ea282d0c99566a38cfa94e343821.exe
    "C:\Users\Admin\AppData\Local\Temp\9b476881db7aef7dbedcce78017129b37667ea282d0c99566a38cfa94e343821.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:2900
    • C:\Windows\Microsoft.NET\Framework\v2.0.50727\AppLaunch.exe
      "C:\Windows\Microsoft.NET\Framework\v2.0.50727\AppLaunch.exe"
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      PID:284
    • C:\Users\Admin\AppData\Roaming\Microsoft FxCop\wmiApSrv.exe
      "C:\Users\Admin\AppData\Roaming\Microsoft FxCop\wmiApSrv.exe"
      2⤵
      • 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:2664
      • C:\Users\Admin\AppData\Roaming\Microsoft FxCop\SamSs.exe
        "C:\Users\Admin\AppData\Roaming\Microsoft FxCop\SamSs.exe"
        3⤵
        • Executes dropped EXE
        • Suspicious use of SetThreadContext
        • System Location Discovery: System Language Discovery
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of WriteProcessMemory
        PID:2720
        • C:\Windows\Microsoft.NET\Framework\v2.0.50727\AppLaunch.exe
          "C:\Windows\Microsoft.NET\Framework\v2.0.50727\AppLaunch.exe"
          4⤵
          • System Location Discovery: System Language Discovery
          • Suspicious use of AdjustPrivilegeToken
          PID:1836
    • C:\Users\Admin\AppData\Roaming\Microsoft FxCop\wmiApSrv.exe
      "C:\Users\Admin\AppData\Roaming\Microsoft FxCop\wmiApSrv.exe"
      2⤵
      • Executes dropped EXE
      • Adds Run key to start application
      • System Location Discovery: System Language Discovery
      • Suspicious use of AdjustPrivilegeToken
      PID:2928

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Roaming\Microsoft FxCop\wmiApSrv.exe

    Filesize

    18KB

    MD5

    97235ac11c44acda447e9b8b393ae1da

    SHA1

    370e8a69c78e677dfccc40aceb7238cd8b8596eb

    SHA256

    10017309dab7a06278fdac82ee487e63b2f6ea4ec1309e2e31928d1323885698

    SHA512

    ff44929eaed0ef767122f065071c1030f5987835e17fbe516898c724b4beffee9f827e3378b552480f07629aa76dc1a1370b8ede5edb8f6bdb7b22245d044f0b

  • \Users\Admin\AppData\Roaming\Microsoft FxCop\SamSs.exe

    Filesize

    759KB

    MD5

    ab5e0c9fbbf7cd002742a751c290a0c0

    SHA1

    ef61e32aadd9ebfc674c4f951c860f2d952b639d

    SHA256

    9b476881db7aef7dbedcce78017129b37667ea282d0c99566a38cfa94e343821

    SHA512

    7e79dae7dc598113d4488d7b2460c174284b4b0ad530c49a091d987c1c42c323edb769c030510613023c569924f5036878a133f8dd81050f17ae3c15bcd5f2f8

  • memory/284-18-0x0000000000400000-0x00000000004B2000-memory.dmp

    Filesize

    712KB

  • memory/284-8-0x0000000000400000-0x00000000004B2000-memory.dmp

    Filesize

    712KB

  • memory/284-13-0x0000000000400000-0x00000000004B2000-memory.dmp

    Filesize

    712KB

  • memory/284-19-0x0000000000400000-0x00000000004B2000-memory.dmp

    Filesize

    712KB

  • memory/284-14-0x0000000000400000-0x00000000004B2000-memory.dmp

    Filesize

    712KB

  • memory/284-10-0x0000000000400000-0x00000000004B2000-memory.dmp

    Filesize

    712KB

  • memory/284-17-0x0000000000400000-0x00000000004B2000-memory.dmp

    Filesize

    712KB

  • memory/284-29-0x0000000000400000-0x00000000004B2000-memory.dmp

    Filesize

    712KB

  • memory/284-12-0x0000000000400000-0x00000000004B2000-memory.dmp

    Filesize

    712KB

  • memory/284-15-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

    Filesize

    4KB

  • memory/284-6-0x0000000000400000-0x00000000004B2000-memory.dmp

    Filesize

    712KB

  • memory/284-7-0x0000000000400000-0x00000000004B2000-memory.dmp

    Filesize

    712KB

  • memory/284-28-0x0000000000400000-0x00000000004B2000-memory.dmp

    Filesize

    712KB

  • memory/284-11-0x0000000000400000-0x00000000004B2000-memory.dmp

    Filesize

    712KB

  • memory/1836-56-0x0000000000400000-0x00000000004B2000-memory.dmp

    Filesize

    712KB

  • memory/2664-27-0x0000000074660000-0x0000000074C0B000-memory.dmp

    Filesize

    5.7MB

  • memory/2664-30-0x0000000074660000-0x0000000074C0B000-memory.dmp

    Filesize

    5.7MB

  • memory/2664-34-0x0000000074660000-0x0000000074C0B000-memory.dmp

    Filesize

    5.7MB

  • memory/2900-3-0x0000000074660000-0x0000000074C0B000-memory.dmp

    Filesize

    5.7MB

  • memory/2900-2-0x0000000074660000-0x0000000074C0B000-memory.dmp

    Filesize

    5.7MB

  • memory/2900-1-0x0000000074660000-0x0000000074C0B000-memory.dmp

    Filesize

    5.7MB

  • memory/2900-0-0x0000000074661000-0x0000000074662000-memory.dmp

    Filesize

    4KB