Overview

overview

10

Static

static

1

robux.exe.html

windows11-21h2-x64

10

Sharing

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General

  • Target
    robux.exe.html
  • Size 38KB
  • Sample260804-t9avmsvfqc
  • SHA256 59dc7f9ba4396d0c102adf2a7f2e5d6d6b3d4566ef0e63f8983b69308663419d
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
10/10
darkcometguest16defense_evasiondiscoveryexecutionpersistencerattrojanupx

Malware Config

Extracted

Family

  • darkcomet

Botnet

  • Guest16

C2

  • mmc8fbyusa.localto.net:10950

Mutex

  • DC_MUTEX-XWU21AP

Attributes
  • InstallPath

    MSDCSC\msdcsc.exe

  • gencode

    GFuxYGWA3RGB

  • install

    true

  • offline_keylogger

    true

  • persistence

    true

  • reg_key

    MicroUpdate

rc4.plain

Targets

    • Target
      robux.exe.html
    • Size 38KB
    • SHA256 59dc7f9ba4396d0c102adf2a7f2e5d6d6b3d4566ef0e63f8983b69308663419d
    • MD5 SHA1 SHA512 SSDEEP TLSH
    Score
    10/10
    guest16defense_evasiondiscoveryexecutiondarkcometpersistencerattrojanupx

    • Family: Darkcomet

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

      trojanratdarkcomet

    • Modifies WinLogon for persistence

      persistence

    • Boot or Logon Autostart Execution: Active Setup

      Adversaries may achieve persistence by adding a Registry key to the Active Setup of the local machine.

      persistence

    • Downloads MZ/PE file

    • Sets file to hidden

      Modifies file attributes to stop it showing in Explorer etc.

      defense_evasion

    • Executes dropped EXE

    • Adds Run key to start application

      persistence

    • UPX packed file

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

      upx
    behavioral1

MITRE ATT&CK Enterprise v16

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

1
T1059

Windows Command Shell

1
T1059.003

Persistence

Boot or Logon Autostart Execution

3
T1547

Active Setup

1
T1547.014

Registry Run Keys / Startup Folder

1
T1547.001

Winlogon Helper DLL

1
T1547.004

Privilege Escalation

Boot or Logon Autostart Execution

3
T1547

Active Setup

1
T1547.014

Registry Run Keys / Startup Folder

1
T1547.001

Winlogon Helper DLL

1
T1547.004

Defense Evasion

Hide Artifacts

2
T1564

Hidden Files and Directories

2
T1564.001

Modify Registry

3
T1112

Subvert Trust Controls

1
T1553

SIP and Trust Provider Hijacking

1
T1553.003

Credential Access

Discovery

Browser Information Discovery

1
T1217

Query Registry

1
T1012

System Information Discovery

2
T1082

System Location Discovery

1
T1614

System Language Discovery

1
T1614.001

System Time Discovery

1
T1124

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Tasks