Overview

overview

10

Static

static

10

9dba654fc2...a6.exe

windows7-x64

10

9dba654fc2...a6.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    9dba654fc2787dcfaddb3aeb91a6439dc90426b4018314fff12e849ad55425a6

  • Size

    253KB

  • Sample

    220725-ah77aaefg9

  • MD5

    c46471072e24a8522a63f1ce3196c75e

  • SHA1

    f33ed92ed09fe3f731cff93bf36c651fecc51d35

  • SHA256

    9dba654fc2787dcfaddb3aeb91a6439dc90426b4018314fff12e849ad55425a6

  • SHA512

    d0b69024301ba28be9efa5c75bca6bc345c50711cbd9e31563bf65c972df21165f92166689b94cb980fbaade47e1b7708d80fe9c3f85003067a4710e547637b2

Score
10/10
darkcometguest16evasionpersistencerattrojanupx

Malware Config

Extracted

Family

darkcomet

Botnet

Guest16

C2

letomaniydh.ddns.net:1604

letomaniydh.ddns.net:27015

192.168.0.47:27015
Mutex

DC_MUTEX-3F06PJ9

Attributes
  • InstallPath

    MSDCSC\msdcsc.exe

  • gencode

    Jnj0qClCtnH3

  • install

    true

  • offline_keylogger

    false

  • persistence

    false

  • reg_key

    MicroUpdate

Targets

    • Target

      9dba654fc2787dcfaddb3aeb91a6439dc90426b4018314fff12e849ad55425a6

    • Size

      253KB

    • MD5

      c46471072e24a8522a63f1ce3196c75e

    • SHA1

      f33ed92ed09fe3f731cff93bf36c651fecc51d35

    • SHA256

      9dba654fc2787dcfaddb3aeb91a6439dc90426b4018314fff12e849ad55425a6

    • SHA512

      d0b69024301ba28be9efa5c75bca6bc345c50711cbd9e31563bf65c972df21165f92166689b94cb980fbaade47e1b7708d80fe9c3f85003067a4710e547637b2

    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

    • Disables RegEdit via registry modification

      evasion

    • Disables Task Manager via registry modification

      evasion

    • Executes dropped EXE

    • Sets file to hidden

      Modifies file attributes to stop it showing in Explorer etc.

      evasion

    • 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

Hidden Files and Directories

2
T1158

Registry Run Keys / Startup Folder

1
T1060

Privilege Escalation

Defense Evasion

Modify Registry

7
T1112

Disabling Security Tools

2
T1089

Hidden Files and Directories

2
T1158

Credential Access

Discovery

Query Registry

1
T1012

System Information Discovery

2
T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Tasks