Analysis

  • max time kernel
    152s
  • max time network
    98s
  • platform
    windows7_x64
  • resource
    win7-20221111-en
  • resource tags

    arch:x64arch:x86image:win7-20221111-enlocale:en-usos:windows7-x64system
  • submitted
    23-11-2022 15:43

General

  • Target

    691c93715ef612042db053b78ee413e91151869a53d8b4431ae0db9e1087b842.exe

  • Size

    669KB

  • MD5

    13a3abab1f3ca40b9bc4f4ff2b558a03

  • SHA1

    726b227683170247215d4b166a9300b184bee157

  • SHA256

    691c93715ef612042db053b78ee413e91151869a53d8b4431ae0db9e1087b842

  • SHA512

    4c99b45a6bc1ed6db443bac9454db3c3964084b0f74eb013b3eb097701ef0881f40972f32583bb00b962058db57ee29cdff624fe20acb878caa7250c17294715

  • SSDEEP

    12288:y9HFJ9rJxRX1uVVjoaWSoynxdO1FVBaOiRZTERfIhNkNCCLo9Ek5C/hdog:eZ1xuVVjfFoynPaVBUR8f+kN10EBHog

Malware Config

Extracted

Family

darkcomet

Botnet

Omegle Spread

C2

imagineworms.servegame.com:25444

Mutex

DC_MUTEX-PPDVM7L

Attributes
  • InstallPath

    MSDCSC\msdcsc.exe

  • gencode

    eVap6A2UW66f

  • install

    true

  • offline_keylogger

    true

  • persistence

    true

  • reg_key

    MicrosoftMalisusProgramsRemovalTool

Signatures

  • Darkcomet

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

  • Modifies WinLogon for persistence 2 TTPs 1 IoCs
  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 2 IoCs
  • Adds Run key to start application 2 TTPs 3 IoCs
  • Suspicious use of SetThreadContext 1 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Suspicious use of AdjustPrivilegeToken 64 IoCs
  • Suspicious use of FindShellTrayWindow 3 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 10 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\691c93715ef612042db053b78ee413e91151869a53d8b4431ae0db9e1087b842.exe
    "C:\Users\Admin\AppData\Local\Temp\691c93715ef612042db053b78ee413e91151869a53d8b4431ae0db9e1087b842.exe"
    1⤵
    • Modifies WinLogon for persistence
    • Loads dropped DLL
    • Adds Run key to start application
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:940
    • C:\Users\Admin\Documents\MSDCSC\msdcsc.exe
      "C:\Users\Admin\Documents\MSDCSC\msdcsc.exe"
      2⤵
      • Executes dropped EXE
      • Adds Run key to start application
      • Suspicious use of SetThreadContext
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:1180
      • C:\Program Files (x86)\Internet Explorer\iexplore.exe
        "C:\Program Files (x86)\Internet Explorer\iexplore.exe"
        3⤵
        • Adds Run key to start application
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of SetWindowsHookEx
        PID:928
  • C:\Windows\SysWOW64\DllHost.exe
    C:\Windows\SysWOW64\DllHost.exe /Processid:{76D0CB12-7604-4048-B83C-1005C7DDC503}
    1⤵
    • Suspicious use of FindShellTrayWindow
    PID:268

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Temp\MY PORN PROFILE PICTURE.JPEG

    Filesize

    10KB

    MD5

    bb09d2e5e97bddb4c66a8f573f39f9e0

    SHA1

    d10696a2a8a8634192dc0b71fd04ea640ff28847

    SHA256

    e806d648e632aa979793c49833537e12e1ff6ac8a13705dd6802c9c51bf1f828

    SHA512

    0e3e6f4c0758f5be0c181b042712c5a895c7d61c4df16ac9525d4dd5f633a563fd470ac5f47ee5f615a3d9f660bf3d9cc10b5756894efe7e36df8d4b21fed4f9

  • C:\Users\Admin\AppData\Local\Temp\MY PORN PROFILE PICTURE.JPEG

    Filesize

    10KB

    MD5

    bb09d2e5e97bddb4c66a8f573f39f9e0

    SHA1

    d10696a2a8a8634192dc0b71fd04ea640ff28847

    SHA256

    e806d648e632aa979793c49833537e12e1ff6ac8a13705dd6802c9c51bf1f828

    SHA512

    0e3e6f4c0758f5be0c181b042712c5a895c7d61c4df16ac9525d4dd5f633a563fd470ac5f47ee5f615a3d9f660bf3d9cc10b5756894efe7e36df8d4b21fed4f9

  • C:\Users\Admin\Documents\MSDCSC\msdcsc.exe

    Filesize

    669KB

    MD5

    13a3abab1f3ca40b9bc4f4ff2b558a03

    SHA1

    726b227683170247215d4b166a9300b184bee157

    SHA256

    691c93715ef612042db053b78ee413e91151869a53d8b4431ae0db9e1087b842

    SHA512

    4c99b45a6bc1ed6db443bac9454db3c3964084b0f74eb013b3eb097701ef0881f40972f32583bb00b962058db57ee29cdff624fe20acb878caa7250c17294715

  • C:\Users\Admin\Documents\MSDCSC\msdcsc.exe

    Filesize

    669KB

    MD5

    13a3abab1f3ca40b9bc4f4ff2b558a03

    SHA1

    726b227683170247215d4b166a9300b184bee157

    SHA256

    691c93715ef612042db053b78ee413e91151869a53d8b4431ae0db9e1087b842

    SHA512

    4c99b45a6bc1ed6db443bac9454db3c3964084b0f74eb013b3eb097701ef0881f40972f32583bb00b962058db57ee29cdff624fe20acb878caa7250c17294715

  • \Users\Admin\Documents\MSDCSC\msdcsc.exe

    Filesize

    669KB

    MD5

    13a3abab1f3ca40b9bc4f4ff2b558a03

    SHA1

    726b227683170247215d4b166a9300b184bee157

    SHA256

    691c93715ef612042db053b78ee413e91151869a53d8b4431ae0db9e1087b842

    SHA512

    4c99b45a6bc1ed6db443bac9454db3c3964084b0f74eb013b3eb097701ef0881f40972f32583bb00b962058db57ee29cdff624fe20acb878caa7250c17294715

  • \Users\Admin\Documents\MSDCSC\msdcsc.exe

    Filesize

    669KB

    MD5

    13a3abab1f3ca40b9bc4f4ff2b558a03

    SHA1

    726b227683170247215d4b166a9300b184bee157

    SHA256

    691c93715ef612042db053b78ee413e91151869a53d8b4431ae0db9e1087b842

    SHA512

    4c99b45a6bc1ed6db443bac9454db3c3964084b0f74eb013b3eb097701ef0881f40972f32583bb00b962058db57ee29cdff624fe20acb878caa7250c17294715

  • memory/940-54-0x0000000074DE1000-0x0000000074DE3000-memory.dmp

    Filesize

    8KB

  • memory/1180-58-0x0000000000000000-mapping.dmp