Overview

overview

10

Static

static

3

6dfbe76e7f...33.exe

windows7-x64

10

6dfbe76e7f...33.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    6dfbe76e7f404086f2e87ac4b6dce733

  • Size

    451KB

  • Sample

    240121-zk5xdaaeb3

  • MD5

    6dfbe76e7f404086f2e87ac4b6dce733

  • SHA1

    74ab4f281961bf8c13326e91e9b3046de0e7697f

  • SHA256

    55a27e14085994cc3be28f29fd6458a7356bf09dce677bfb06ff5860371e315f

  • SHA512

    86d03ff1fa7851ee98be13bb71ea5b459c9b533dad361ee66c8bd495ef72cfb288ccbb3d9377133e6382f019a072801f45048a829ffc347ab4dd752e37faf5ab

  • SSDEEP

    6144:YSrKUPB2hoGyksAlNUyK/SlnhP3GV8ejmGrTTHNckz03X9Yxt5+94BMtoGKKaOt:YQGekfQynNR2VvHtm3X6xt5+SB

Score
10/10
darkcometguest16_minpersistencerattrojan

Malware Config

Extracted

Family

darkcomet

Botnet

Guest16_min

C2

galatsaray.zapto.org:1604

Mutex

DCMIN_MUTEX-UNB2GKC

Attributes
  • InstallPath

    DCSCMIN\IMDCSC.exe

  • gencode

    yR3baSHEb9MB

  • install

    true

  • offline_keylogger

    true

  • persistence

    false

  • reg_key

    DarkComet RAT

Targets

    • Target

      6dfbe76e7f404086f2e87ac4b6dce733

    • Size

      451KB

    • MD5

      6dfbe76e7f404086f2e87ac4b6dce733

    • SHA1

      74ab4f281961bf8c13326e91e9b3046de0e7697f

    • SHA256

      55a27e14085994cc3be28f29fd6458a7356bf09dce677bfb06ff5860371e315f

    • SHA512

      86d03ff1fa7851ee98be13bb71ea5b459c9b533dad361ee66c8bd495ef72cfb288ccbb3d9377133e6382f019a072801f45048a829ffc347ab4dd752e37faf5ab

    • SSDEEP

      6144:YSrKUPB2hoGyksAlNUyK/SlnhP3GV8ejmGrTTHNckz03X9Yxt5+94BMtoGKKaOt:YQGekfQynNR2VvHtm3X6xt5+SB

    Score
    10/10
    darkcometguest16_minpersistencerattrojan

    • Darkcomet

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

      trojanratdarkcomet

    • Modifies WinLogon for persistence

      persistence

    • Checks computer location settings

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

    • Executes dropped EXE

    • Loads dropped DLL

    • 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

Privilege Escalation

Boot or Logon Autostart Execution

2
T1547

Registry Run Keys / Startup Folder

1
T1547.001

Winlogon Helper DLL

1
T1547.004

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

Resource Development

Reconnaissance

Tasks