Overview

overview

10

Static

static

10

13a9b67591...d3.exe

windows7_x64

10

13a9b67591...d3.exe

windows10-2004_x64

10

Sharing

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General

  • Target

    13a9b67591848e9500b93b7e22a11e0adaee46774b55f6a3c1e543b4d7cc3fd3

  • Size

    658KB

  • Sample

    220630-vjhcgaehd7

  • MD5

    c46b0c1ead56ed1933dd375b6b22e1f2

  • SHA1

    97f05c8a9847e8e396d5916deb831466111ae2a4

  • SHA256

    13a9b67591848e9500b93b7e22a11e0adaee46774b55f6a3c1e543b4d7cc3fd3

  • SHA512

    83cbc641d4a32cb2e8a92c5bb8a7e57e024be7ce977896997cff70e9cb307f7038a40085192d0160058fb195e49e817dcf2cc19286773121a4ec9b2a1e41681c

Score
10/10
darkcometsazanpersistencerattrojan

Malware Config

Extracted

Family

darkcomet

Botnet

Sazan

C2

85.98.17.207:1604

Mutex

DC_MUTEX-T147BU8

Attributes
  • InstallPath

    MSDCSC\msdcsc.exe

  • gencode

    LMpE3BXrLHns

  • install

    true

  • offline_keylogger

    true

  • persistence

    true

  • reg_key

    JokerRinaHack

Targets

    • Target

      13a9b67591848e9500b93b7e22a11e0adaee46774b55f6a3c1e543b4d7cc3fd3

    • Size

      658KB

    • MD5

      c46b0c1ead56ed1933dd375b6b22e1f2

    • SHA1

      97f05c8a9847e8e396d5916deb831466111ae2a4

    • SHA256

      13a9b67591848e9500b93b7e22a11e0adaee46774b55f6a3c1e543b4d7cc3fd3

    • SHA512

      83cbc641d4a32cb2e8a92c5bb8a7e57e024be7ce977896997cff70e9cb307f7038a40085192d0160058fb195e49e817dcf2cc19286773121a4ec9b2a1e41681c

    Score
    10/10
    darkcometsazanpersistencerattrojan

    • Darkcomet

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

      trojanratdarkcomet

    • Modifies WinLogon for persistence

      persistence

    • Executes dropped EXE

    • Checks computer location settings

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

    • Loads dropped DLL

    • Adds Run key to start application

      persistence
    behavioral1behavioral2

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Winlogon Helper DLL

1
T1004

Registry Run Keys / Startup Folder

1
T1060

Privilege Escalation

Defense Evasion

Modify Registry

2
T1112

Credential Access

Discovery

Query Registry

1
T1012

System Information Discovery

2
T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Tasks