Overview

overview

10

Static

static

10

ddnet-desyncer.exe

windows10-2004-x64

10

Sharing

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General

  • Target
    ddnet-desyncer.exe
  • Size 658KB
  • Sample261023-rhbazset7l
  • SHA256 4a36fa8a40f67d0d4e3f451989d121f033a42b923bc5c675d5a9e4a31cd82a1f
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
10/10
darkcometguest16defense_evasiondiscoveryexecutionpersistencerattrojan

Malware Config

Extracted

Family

  • darkcomet

Botnet

  • Guest16

C2

  • 5.39.202.124:1604

Mutex

  • DC_MUTEX-CMRAGCZ

Attributes
  • InstallPath

    MSDCSC\msdcsc.exe

  • gencode

    2XnXxlLt4FeZ

  • install

    true

  • offline_keylogger

    true

  • persistence

    true

  • reg_key

    MicroUpdate

rc4.plain

Targets

    • Target
      ddnet-desyncer.exe
    • Size 658KB
    • SHA256 4a36fa8a40f67d0d4e3f451989d121f033a42b923bc5c675d5a9e4a31cd82a1f
    • MD5 SHA1 SHA512 SSDEEP TLSH
    Score
    10/10
    guest16defense_evasiondiscoveryexecutiondarkcometpersistencerattrojan

    • Family: Darkcomet

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

      trojanratdarkcomet

    • Modifies WinLogon for persistence

      persistence

    • Modifies firewall policy service

      defense_evasion

    • Modifies security service

      defense_evasion

    • Windows security bypass

      defense_evasiontrojan

    • Disables RegEdit via registry modification

      defense_evasion

    • Disables Task Manager via registry modification

      defense_evasion

    • Sets file to hidden

      Modifies file attributes to stop it showing in Explorer etc.

      defense_evasion

    • Checks computer location settings

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

    • Deletes itself

      defense_evasion

    • Executes dropped EXE

    • Windows security modification

      defense_evasiontrojan

    • Adds Run key to start application

      persistence

    • Enumerates connected drives

      Attempts to read the root path of hard drives other than the default C: drive.

    • Program crash

    • Suspicious use of SetThreadContext

    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

2
T1547

Registry Run Keys / Startup Folder

1
T1547.001

Winlogon Helper DLL

1
T1547.004

Create or Modify System Process

2
T1543

Windows Service

2
T1543.003

Privilege Escalation

Boot or Logon Autostart Execution

2
T1547

Registry Run Keys / Startup Folder

1
T1547.001

Winlogon Helper DLL

1
T1547.004

Create or Modify System Process

2
T1543

Windows Service

2
T1543.003

Defense Evasion

Hide Artifacts

2
T1564

Hidden Files and Directories

2
T1564.001

Impair Defenses

3
T1562

Disable or Modify System Firewall

1
T1562.004

Disable or Modify Tools

2
T1562.001

Indicator Removal

1
T1070

File Deletion

1
T1070.004

Modify Registry

7
T1112

Credential Access

Discovery

Peripheral Device Discovery

2
T1120

Query Registry

2
T1012

System Information Discovery

3
T1082

System Location Discovery

1
T1614

System Language Discovery

1
T1614.001

Lateral Movement

Collection

Video Capture

1
T1125

Command and Control

Exfiltration

Impact

Tasks