Overview

overview

10

Static

static

10

dc27c0a88d...dd.exe

windows7-x64

10

dc27c0a88d...dd.exe

windows10-2004-x64

10

Sharing

Copy URL
Twitter E-mail

General

  • Target

    dc27c0a88d38ac8b30573a8868c920bf2d537fe381950a85716d15e4343254dd.exe

  • Size

    659KB

  • Sample

    250107-qz5eqavqgn

  • MD5

    8f8f755df17f3dd61a628934b055b4b9

  • SHA1

    7841cb19673e4d23fda1eda402c0f6ca6b369dad

  • SHA256

    dc27c0a88d38ac8b30573a8868c920bf2d537fe381950a85716d15e4343254dd

  • SHA512

    2f36f64c61f975c6007962f08e21eb7fef8c3030f357d86cfe3d86ca456b1b02265895cb28ca631eee3882170345bbe224d044ac63af7ae931f3d7dcd0c29771

  • SSDEEP

    12288:O9HFJ9rJxRX1uVVjoaWSoynxdO1FVBaOiRZTERfIhNkNCCLo9Ek5C/hu:aZ1xuVVjfFoynPaVBUR8f+kN10EBU

Score
10/10
darkcometguest16discoveryevasionpersistencerattrojan

Malware Config

Extracted

Family

darkcomet

Botnet

Guest16

C2

46.105.250.97:1604

Mutex

DC_MUTEX-3TMAVLG

Attributes
  • InstallPath

    MSDCSC\msdcsc.exe

  • gencode

    l152Z1g7L1AT

  • install

    true

  • offline_keylogger

    true

  • persistence

    true

  • reg_key

    MicroUpdate

Targets

    • Target

      dc27c0a88d38ac8b30573a8868c920bf2d537fe381950a85716d15e4343254dd.exe

    • Size

      659KB

    • MD5

      8f8f755df17f3dd61a628934b055b4b9

    • SHA1

      7841cb19673e4d23fda1eda402c0f6ca6b369dad

    • SHA256

      dc27c0a88d38ac8b30573a8868c920bf2d537fe381950a85716d15e4343254dd

    • SHA512

      2f36f64c61f975c6007962f08e21eb7fef8c3030f357d86cfe3d86ca456b1b02265895cb28ca631eee3882170345bbe224d044ac63af7ae931f3d7dcd0c29771

    • SSDEEP

      12288:O9HFJ9rJxRX1uVVjoaWSoynxdO1FVBaOiRZTERfIhNkNCCLo9Ek5C/hu:aZ1xuVVjfFoynPaVBUR8f+kN10EBU

    Score
    10/10
    darkcometguest16discoveryevasionpersistencerattrojan

    • Darkcomet

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

      trojanratdarkcomet

    • Darkcomet family

      darkcomet

    • 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

    • Sets file to hidden

      Modifies file attributes to stop it showing in Explorer etc.

      evasion

    • Checks computer location settings

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

    • Deletes itself

    • Executes dropped EXE

    • Loads dropped DLL

    • Windows security modification

      evasiontrojan

    • Adds Run key to start application

      persistence
    behavioral1behavioral2

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

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

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

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

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Tasks