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Overview

overview

10

Static

static

10

0387bac0c0...48.exe

windows7-x64

10

0387bac0c0...48.exe

windows10-2004-x64

10

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General

  • Target

    0387bac0c095a5d24fea2bcabdcd4748

  • Size

    693KB

  • Sample

    231229-zjvd9aade4

  • MD5

    0387bac0c095a5d24fea2bcabdcd4748

  • SHA1

    720be1352caf647d2df4fa8545933474e84efc4f

  • SHA256

    4c3273a1f018603e24b1caf53284c226fc8ef5ef0ced232605fe0e22e8f3a27b

  • SHA512

    efa46fca5e86e2be32ef2f12db6f9b1af2c84b0e0e6df8e593fd50eaf4aa97e53b600622b763dd8e47797a3977e2123eb9f1aa6c23001c85513fb5a4f4cb9715

  • SSDEEP

    12288:O8UaT9XY2siA0bMG09xD7I3Gg8ecgVvfBoCDBOQQYbVXpuy1f/gORixts:bUKoN0bUxgGa/pfBHDb+y1HgZ

Score
10/10
darkcometevasionpersistencerattrojan

Malware Config

Targets

    • Target

      0387bac0c095a5d24fea2bcabdcd4748

    • Size

      693KB

    • MD5

      0387bac0c095a5d24fea2bcabdcd4748

    • SHA1

      720be1352caf647d2df4fa8545933474e84efc4f

    • SHA256

      4c3273a1f018603e24b1caf53284c226fc8ef5ef0ced232605fe0e22e8f3a27b

    • SHA512

      efa46fca5e86e2be32ef2f12db6f9b1af2c84b0e0e6df8e593fd50eaf4aa97e53b600622b763dd8e47797a3977e2123eb9f1aa6c23001c85513fb5a4f4cb9715

    • SSDEEP

      12288:O8UaT9XY2siA0bMG09xD7I3Gg8ecgVvfBoCDBOQQYbVXpuy1f/gORixts:bUKoN0bUxgGa/pfBHDb+y1HgZ

    Score
    10/10
    darkcometevasionpersistencerattrojan

    • 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

    • 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.

    • Executes dropped EXE

    • Loads dropped DLL

    • Windows security modification

      evasiontrojan

    • Adds Run key to start application

      persistence

    • Suspicious use of SetThreadContext

    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

2
T1562

Disable or Modify Tools

2
T1562.001

Modify Registry

6
T1112

Credential Access

Discovery

Query Registry

1
T1012

Remote System Discovery

1
T1018

System Information Discovery

2
T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Tasks