Overview

overview

10

Static

static

3

jaffacakes...ng.exe

windows10-2004-x64

10

jaffacakes...ng.exe

windows11-ltsc_2024-x64

5

Sharing

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General

  • Target
    jaffacakes118_Trojan-Downloader.Win32.Upatre.gung.4b1377253a05ba79948d188dc112f52e
  • Size 420KB
  • Sample261006-rctkdacs2k
  • SHA256 382e5fa163752e8d3e249fd8fb1d1380a899f9f7c52ed91091c87db0154e70a0
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
10/10
darkcomethackeddefense_evasiondiscoveryexecutionpersistencerattrojanupx

Malware Config

Extracted

Family

  • darkcomet

Botnet

  • HACKED

C2

  • connect777.ddns.net:1604

Mutex

  • DC_MUTEX-MQH10PR

Attributes
  • InstallPath

    MSDCSC\msdcsc.exe

  • gencode

    LrWTTLkBSWrA

  • install

    true

  • offline_keylogger

    true

  • persistence

    true

  • reg_key

    MicroUpdate

rc4.plain

Targets

    • Target
      jaffacakes118_Trojan-Downloader.Win32.Upatre.gung.4b1377253a05ba79948d188dc112f52e
    • Size 420KB
    • SHA256 382e5fa163752e8d3e249fd8fb1d1380a899f9f7c52ed91091c87db0154e70a0
    • MD5 SHA1 SHA512 SSDEEP TLSH
    Score
    10/10
    hackeddefense_evasiondiscoveryexecutiondarkcometpersistencerattrojanupx

    • 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

    • 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

    • Suspicious use of SetThreadContext

    • UPX packed file

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

      upx
    behavioral1behavioral2

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

Query Registry

1
T1012

System Information Discovery

2
T1082

System Location Discovery

1
T1614

System Language Discovery

1
T1614.001

System Network Configuration Discovery

1
T1016

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Tasks