Overview

overview

10

Static

static

10

6fb39550af...18.exe

windows7-x64

10

6fb39550af...18.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    6fb39550af45f2dc0026807b865abdae_JaffaCakes118

  • Size

    1.3MB

  • Sample

    240524-yxq4bahe3w

  • MD5

    6fb39550af45f2dc0026807b865abdae

  • SHA1

    3a4c66aafd208fbb6d6de285da1b4d3fcacef5ba

  • SHA256

    bebbecb78848b69e1e94a853025004a231585231cd46f88770a247fe23aaab46

  • SHA512

    c8baa9d3af257f1849808d1c712a4dc010e5a1b690bea9c6f95f80983612279f1af9fce98c420ac5427f97548135df074c01a755a8afca4ca48efdd95d6e1868

  • SSDEEP

    24576:yZ1xuVVjfFoynPaVBUR8f+kN10EdqZ1xuVVjfFoynPaVBUR8f+kN10EB:yQDgok30BQDgok30

Score
10/10
darkcometguest1evasionpersistencerattrojan

Malware Config

Extracted

Family

darkcomet

Botnet

Guest1

C2

q987456.no-ip.org:1604

Mutex

DC_MUTEX-8R1N50E

Attributes
  • InstallPath

    letvinchawf.exe

  • gencode

    unW7jz41CsYl

  • install

    true

  • offline_keylogger

    true

  • persistence

    false

  • reg_key

    letvinchawf.exe

Targets

    • Target

      6fb39550af45f2dc0026807b865abdae_JaffaCakes118

    • Size

      1.3MB

    • MD5

      6fb39550af45f2dc0026807b865abdae

    • SHA1

      3a4c66aafd208fbb6d6de285da1b4d3fcacef5ba

    • SHA256

      bebbecb78848b69e1e94a853025004a231585231cd46f88770a247fe23aaab46

    • SHA512

      c8baa9d3af257f1849808d1c712a4dc010e5a1b690bea9c6f95f80983612279f1af9fce98c420ac5427f97548135df074c01a755a8afca4ca48efdd95d6e1868

    • SSDEEP

      24576:yZ1xuVVjfFoynPaVBUR8f+kN10EdqZ1xuVVjfFoynPaVBUR8f+kN10EB:yQDgok30BQDgok30

    Score
    10/10
    darkcometguest1evasionpersistencerattrojan

    • 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

    • Checks computer location settings

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

    • Executes dropped EXE

    • Loads dropped DLL

    • Windows security modification

      evasiontrojan

    • Adds Run key to start application

      persistence
    behavioral1behavioral2

MITRE ATT&CK Matrix ATT&CK v13

Initial Access

Execution

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

Modify Registry

7
T1112

Impair Defenses

2
T1562

Disable or Modify Tools

2
T1562.001

Credential Access

Discovery

Query Registry

1
T1012

System Information Discovery

2
T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Resource Development

Reconnaissance

Tasks