Overview

overview

10

Static

static

10

66db285985...c4.exe

windows7-x64

10

66db285985...c4.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    66db285985f556e7e42d089e9eda4bca7cf71530079f9ae1ef9817ea84d21bc4

  • Size

    252KB

  • Sample

    221001-3mysmacbc5

  • MD5

    6cae60795b0fc4e9f61e9ebb1e816fc0

  • SHA1

    8d8fc584ff9a299fac713ad4c15d9b4b067ea48f

  • SHA256

    66db285985f556e7e42d089e9eda4bca7cf71530079f9ae1ef9817ea84d21bc4

  • SHA512

    70129a0491ca9af017fe703f5a2ef42af7e1384f84298bd5fd43c0f8db80e7c754d7bbdb7e62112fe07c702bbdce2502e933dcf1c21410e058bb27ae069ef537

  • SSDEEP

    6144:ncNYk1yuwEDBum3qYWnl0pd0EX3Zq2b6wfIDYm0PHQ/9:ncWkbgTYWnYnt/IDYhPM

Score
10/10
darkcometguest16evasionpersistencerattrojanupx

Malware Config

Extracted

Family

darkcomet

Botnet

Guest16

C2

190.140.32.95:1604

Mutex

DC_MUTEX-SBEVJX1

Attributes
  • InstallPath

    MSDCSC\msdcsc.exe

  • gencode

    l333XCQCQ04W

  • install

    true

  • offline_keylogger

    true

  • persistence

    false

  • reg_key

    MicroUpdate

Targets

    • Target

      66db285985f556e7e42d089e9eda4bca7cf71530079f9ae1ef9817ea84d21bc4

    • Size

      252KB

    • MD5

      6cae60795b0fc4e9f61e9ebb1e816fc0

    • SHA1

      8d8fc584ff9a299fac713ad4c15d9b4b067ea48f

    • SHA256

      66db285985f556e7e42d089e9eda4bca7cf71530079f9ae1ef9817ea84d21bc4

    • SHA512

      70129a0491ca9af017fe703f5a2ef42af7e1384f84298bd5fd43c0f8db80e7c754d7bbdb7e62112fe07c702bbdce2502e933dcf1c21410e058bb27ae069ef537

    • SSDEEP

      6144:ncNYk1yuwEDBum3qYWnl0pd0EX3Zq2b6wfIDYm0PHQ/9:ncWkbgTYWnYnt/IDYhPM

    Score
    10/10
    darkcometguest16evasionpersistencerattrojanupx

    • Darkcomet

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

      trojanratdarkcomet

    • Modifies WinLogon for persistence

      persistence

    • Modifies firewall policy service

      evasion

    • Modifies security service

      evasion

    • Windows security bypass

      evasiontrojan

    • Executes dropped EXE

    • UPX packed file

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

      upx

    • Checks computer location settings

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

    • Loads dropped DLL

    • Windows security modification

      evasiontrojan

    • Adds Run key to start application

      persistence
    behavioral1behavioral2

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Winlogon Helper DLL

1
T1004

Modify Existing Service

2
T1031

Registry Run Keys / Startup Folder

1
T1060

Privilege Escalation

Defense Evasion

Modify Registry

7
T1112

Disabling Security Tools

2
T1089

Credential Access

Discovery

Query Registry

1
T1012

System Information Discovery

2
T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Tasks