Overview

overview

10

Static

static

64a3d79521...f8.exe

windows7-x64

10

64a3d79521...f8.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    64a3d795217f0ccfdf970234df1e6ca97946f8c17287d715c3dac1cd240f16f8

  • Size

    438KB

  • Sample

    221001-3nd5lsddgp

  • MD5

    742019382bc9a828b8484f76df7afc02

  • SHA1

    5bbd0b7f08680bbfaab4f97168fe025df25f8a9e

  • SHA256

    64a3d795217f0ccfdf970234df1e6ca97946f8c17287d715c3dac1cd240f16f8

  • SHA512

    9004d2e85ac926aa35cb2dd9e96b448b1bc412519753f71387f8673cf1da2d1b9d927ad59eb927ca32708dab50a027039b5b35633b7a563c44d97f4712eb1f8f

  • SSDEEP

    6144:3YpRNQuZi9+neeKGn4SBIz0Bpv/8Ykw+aS05ukvj3Z1LnHEHLXqR9VTfbBOX:Ip/1Fxn+G8S+aLdDZ1ziL6RrT0

Score
10/10
darkcometguest16persistencerattrojan

Malware Config

Extracted

Family

darkcomet

Botnet

Guest16

C2

zhenar42.zapto.org:1604

Mutex

DC_MUTEX-U5BDK0P

Attributes
  • InstallPath

    MSDCSC\msdcsc.exe

  • gencode

    d6NERcemLYqc

  • install

    true

  • offline_keylogger

    true

  • persistence

    false

  • reg_key

    MicroUpdate

Targets

    • Target

      64a3d795217f0ccfdf970234df1e6ca97946f8c17287d715c3dac1cd240f16f8

    • Size

      438KB

    • MD5

      742019382bc9a828b8484f76df7afc02

    • SHA1

      5bbd0b7f08680bbfaab4f97168fe025df25f8a9e

    • SHA256

      64a3d795217f0ccfdf970234df1e6ca97946f8c17287d715c3dac1cd240f16f8

    • SHA512

      9004d2e85ac926aa35cb2dd9e96b448b1bc412519753f71387f8673cf1da2d1b9d927ad59eb927ca32708dab50a027039b5b35633b7a563c44d97f4712eb1f8f

    • SSDEEP

      6144:3YpRNQuZi9+neeKGn4SBIz0Bpv/8Ykw+aS05ukvj3Z1LnHEHLXqR9VTfbBOX:Ip/1Fxn+G8S+aLdDZ1ziL6RrT0

    Score
    10/10
    darkcometguest16persistencerattrojan

    • 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