Overview

overview

10

Static

static

10

NuclearClient.exe

windows10-2004-x64

10

NuclearClient.exe

windows11-ltsc_2024-x64

10

Resubmissions

19/07/2026, 15:18

260719-spnekafz9t10

18/07/2026, 19:49

260718-yjyw1aev4w

18/07/2026, 19:44

260718-yf6gnsa19n10

Sharing

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General

  • Target
    NuclearClient.exe
  • Size 251KB
  • Sample260718-yf6gnsa19n
  • SHA256 6b68f03bfad72725d013033bd318e9216fe7430306229917b16324f654026173
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
10/10
darkcometguest16discoverypersistencerattrojanupx

Malware Config

Extracted

Family

  • darkcomet

Botnet

  • Guest16

C2

  • ndc9rod27.localto.net:4277

Mutex

  • DC_MUTEX-N56H0XS

Attributes
  • InstallPath

    MSDCSC\msdcsc.exe

  • gencode

    yQx8kTgaWHCN

  • install

    true

  • offline_keylogger

    true

  • persistence

    true

  • reg_key

    MicroUpdate

rc4.plain

Targets

    • Target
      NuclearClient.exe
    • Size 251KB
    • SHA256 6b68f03bfad72725d013033bd318e9216fe7430306229917b16324f654026173
    • MD5 SHA1 SHA512 SSDEEP TLSH
    Score
    10/10
    guest16discoverydarkcometpersistencerattrojanupx

    • Family: Darkcomet

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

      trojanratdarkcomet

    • Modifies WinLogon for persistence

      persistence

    • Checks computer location settings

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

    • Executes dropped EXE

    • Adds Run key to start application

      persistence

    • UPX packed file

      Detects executables packed with UPX/modified UPX open source packer.

      upx
    behavioral1behavioral2

MITRE ATT&CK Enterprise v16

Tasks