Overview

overview

10

Static

static

10

69ab63c43d...7N.exe

windows7-x64

10

69ab63c43d...7N.exe

windows10-2004-x64

10

Analysis

  • max time kernel
    114s
  • max time network
    124s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    18-10-2024 10:22

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General

  • Target

    69ab63c43dcc7832042f204315203140ad370a54b6b8aa1bad70b02628e26d57N.exe

  • Size

    747KB

  • MD5

    3836b53342a37d161cb58d2d4474c4e0

  • SHA1

    83b4321ef1863c342960ad53387f3003e67c864b

  • SHA256

    69ab63c43dcc7832042f204315203140ad370a54b6b8aa1bad70b02628e26d57

  • SHA512

    b61d998fe141f673cef968b903245bc9e3774bdf6dfda80e81678fdf7e392b4af0c56ef24cfc75b98a967ecf3b9e36fb1660cf639b62d999a845d38b4c8233ef

  • SSDEEP

    12288:pk0QVlhmPojAPTMEsUTg0oChO/Q2JbsbjPbN5qhRTtYe3f+Iw86k/9/+/qMd0QZs:C0QRWoJEfg0oChGdJQbjPbNW5tYeP+Gz

Score
10/10
darkcometguest16discoveryevasionrattrojan

Malware Config

Extracted

Family

darkcomet

Botnet

Guest16

C2

197.31.192.25:5000

Mutex

DC_MUTEX-F54S21D

Attributes
  • gencode

    DUhvCRzrVklo

  • install

    false

  • offline_keylogger

    true

  • persistence

    false

Signatures

  • Darkcomet

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

    trojanratdarkcomet
  • Modifies firewall policy service 3 TTPs 6 IoCs
    evasion
  • Modifies security service 2 TTPs 2 IoCs
    evasion
  • Windows security bypass 2 TTPs 4 IoCs
    evasiontrojan
  • Disables RegEdit via registry modification 2 IoCs
    evasion
  • Disables Task Manager via registry modification
    evasion
  • Drops file in Drivers directory 1 IoCs
  • Sets file to hidden 1 TTPs 2 IoCs

    Modifies file attributes to stop it showing in Explorer etc.

    evasion
  • Checks computer location settings 2 TTPs 1 IoCs

    Looks up country code configured in the registry, likely geofence.

  • Windows security modification 2 TTPs 2 IoCs
    evasiontrojan
  • Suspicious use of SetThreadContext 1 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.

    discovery
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 48 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 17 IoCs
  • System policy modification 1 TTPs 3 IoCs
    evasion
  • Views/modifies file attributes 1 TTPs 2 IoCs
    evasion

Processes

  • C:\Users\Admin\AppData\Local\Temp\69ab63c43dcc7832042f204315203140ad370a54b6b8aa1bad70b02628e26d57N.exe
    "C:\Users\Admin\AppData\Local\Temp\69ab63c43dcc7832042f204315203140ad370a54b6b8aa1bad70b02628e26d57N.exe"
    1⤵
    • Modifies firewall policy service
    • Modifies security service
    • Windows security bypass
    • Disables RegEdit via registry modification
    • Drops file in Drivers directory
    • Checks computer location settings
    • Windows security modification
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    • System policy modification
    PID:2124
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /k attrib "C:\Users\Admin\AppData\Local\Temp\69ab63c43dcc7832042f204315203140ad370a54b6b8aa1bad70b02628e26d57N.exe" +s +h
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:3212
      • C:\Windows\SysWOW64\attrib.exe
        attrib "C:\Users\Admin\AppData\Local\Temp\69ab63c43dcc7832042f204315203140ad370a54b6b8aa1bad70b02628e26d57N.exe" +s +h
        3⤵
        • Sets file to hidden
        • System Location Discovery: System Language Discovery
        • Views/modifies file attributes
        PID:3168
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /k attrib "C:\Users\Admin\AppData\Local\Temp" +s +h
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:3136
      • C:\Windows\SysWOW64\attrib.exe
        attrib "C:\Users\Admin\AppData\Local\Temp" +s +h
        3⤵
        • Sets file to hidden
        • System Location Discovery: System Language Discovery
        • Views/modifies file attributes
        PID:1072
    • C:\Program Files (x86)\Internet Explorer\iexplore.exe
      "C:\Program Files (x86)\Internet Explorer\iexplore.exe"
      2⤵
      • Modifies firewall policy service
      • Modifies security service
      • Windows security bypass
      • Disables RegEdit via registry modification
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: GetForegroundWindowSpam
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      PID:4352

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • memory/2124-0-0x00000000022C0000-0x00000000022C1000-memory.dmp

    Filesize

    4KB

    Download

  • memory/2124-3-0x0000000000400000-0x00000000004C8000-memory.dmp

    Filesize

    800KB

    Download

  • memory/4352-2-0x0000000000400000-0x00000000004C8000-memory.dmp

    Filesize

    800KB

    Download