Overview

overview

10

Static

static

8bd70b0cd4...d5.exe

windows7-x64

10

8bd70b0cd4...d5.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    8bd70b0cd4920456cc9105f9a6cb933cd4061125e7a3f2a7ef0c6e964f7f47d5

  • Size

    631KB

  • Sample

    221123-s7k26adc34

  • MD5

    9a04b9dd0be01c47737dd6014c002ff9

  • SHA1

    46824f75ee05bdb80b051b7affb6cb271d8b7476

  • SHA256

    8bd70b0cd4920456cc9105f9a6cb933cd4061125e7a3f2a7ef0c6e964f7f47d5

  • SHA512

    9c5f8d69a6fa146e9a2bfb02f8954cec04fbe7d2967a001a0781be47a75d9526a76380659a46b2b5cb5b135987f128da6441d2e8119e5aeec67d04ce64caa8f4

  • SSDEEP

    12288:x+h/yhmu0LuZmSYnV472X/+tNhqGERdjft7djMzAv/1mk2b7g:YueY5YnVs2v+t/qfRdjfth9I

Score
10/10
darkcometlevieux100persistencerattrojanupx

Malware Config

Extracted

Family

darkcomet

Botnet

Levieux100

C2

levieux.no-ip.biz:3080

Mutex

DC_MUTEX-MANUVG1

Attributes
  • InstallPath

    MSDCSC\msdcsc.exe

  • gencode

    AwsRZtgYnACw

  • install

    true

  • offline_keylogger

    true

  • persistence

    true

  • reg_key

    MicroUpdate

Targets

    • Target

      8bd70b0cd4920456cc9105f9a6cb933cd4061125e7a3f2a7ef0c6e964f7f47d5

    • Size

      631KB

    • MD5

      9a04b9dd0be01c47737dd6014c002ff9

    • SHA1

      46824f75ee05bdb80b051b7affb6cb271d8b7476

    • SHA256

      8bd70b0cd4920456cc9105f9a6cb933cd4061125e7a3f2a7ef0c6e964f7f47d5

    • SHA512

      9c5f8d69a6fa146e9a2bfb02f8954cec04fbe7d2967a001a0781be47a75d9526a76380659a46b2b5cb5b135987f128da6441d2e8119e5aeec67d04ce64caa8f4

    • SSDEEP

      12288:x+h/yhmu0LuZmSYnV472X/+tNhqGERdjft7djMzAv/1mk2b7g:YueY5YnVs2v+t/qfRdjfth9I

    Score
    10/10
    darkcometlevieux100persistencerattrojanupx

    • Darkcomet

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

      trojanratdarkcomet

    • Modifies WinLogon for persistence

      persistence

    • Executes dropped EXE

    • UPX packed file

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

      upx

    • Loads dropped DLL

    • Uses the VBS compiler for execution

    • Adds Run key to start application

      persistence

    • Drops desktop.ini file(s)

    • Drops file in System32 directory

    • Suspicious use of SetThreadContext

    behavioral1behavioral2

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Scripting

1
T1064

Persistence

Winlogon Helper DLL

1
T1004

Registry Run Keys / Startup Folder

1
T1060

Privilege Escalation

Defense Evasion

Modify Registry

2
T1112

Scripting

1
T1064

Credential Access

Discovery

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Tasks