Overview

overview

10

Static

static

10

a4b196e112...10.exe

windows7-x64

10

a4b196e112...10.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    a4b196e112825232a260725c2651764ad8d2bdcc5974ee4b0a9c635c14b0eb10

  • Size

    690KB

  • Sample

    221001-3mk7jaddeq

  • MD5

    45bfee45177d62952de9c03f661c4b1a

  • SHA1

    e12804084039f235b768a21594c9e20b9ddb0d1b

  • SHA256

    a4b196e112825232a260725c2651764ad8d2bdcc5974ee4b0a9c635c14b0eb10

  • SHA512

    288247162e0cd2dca6e0d51890a70694a2ffaf0b0983f41f0048271c74af16a9eb8175c0e9f6fd91325ca93423aafd6816278e93520308ce53372e4f848f1264

  • SSDEEP

    12288:f9HFJ9rJxRX1uVVjoaWSoynxdO1FVBaOiRZTERfIhNkNCCLo9Ek5C/h9lI:JZ1xuVVjfFoynPaVBUR8f+kN10EBW

Score
10/10
darkcometguest16evasionpersistencerattrojan

Malware Config

Extracted

Family

darkcomet

Botnet

Guest16

C2

127.0.0.1:1604

Mutex

DC_MUTEX-7R3QTTQ

Attributes
  • InstallPath

    MSDCSC\msdcsc.exe

  • gencode

    NPore9Jz402K

  • install

    true

  • offline_keylogger

    true

  • persistence

    false

  • reg_key

    MicroUpdate

Targets

    • Target

      a4b196e112825232a260725c2651764ad8d2bdcc5974ee4b0a9c635c14b0eb10

    • Size

      690KB

    • MD5

      45bfee45177d62952de9c03f661c4b1a

    • SHA1

      e12804084039f235b768a21594c9e20b9ddb0d1b

    • SHA256

      a4b196e112825232a260725c2651764ad8d2bdcc5974ee4b0a9c635c14b0eb10

    • SHA512

      288247162e0cd2dca6e0d51890a70694a2ffaf0b0983f41f0048271c74af16a9eb8175c0e9f6fd91325ca93423aafd6816278e93520308ce53372e4f848f1264

    • SSDEEP

      12288:f9HFJ9rJxRX1uVVjoaWSoynxdO1FVBaOiRZTERfIhNkNCCLo9Ek5C/h9lI:JZ1xuVVjfFoynPaVBUR8f+kN10EBW

    Score
    10/10
    darkcometguest16evasionpersistencerattrojan

    • Darkcomet

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

      trojanratdarkcomet

    • Modifies WinLogon for persistence

      persistence

    • Modifies security service

      evasion

    • Windows security bypass

      evasiontrojan

    • Executes dropped EXE

    • Checks computer location settings

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

    • Loads dropped DLL

    • Windows security modification

      evasiontrojan

    • Adds Run key to start application

      persistence
    behavioral1behavioral2

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Winlogon Helper DLL

1
T1004

Modify Existing Service

1
T1031

Registry Run Keys / Startup Folder

1
T1060

Privilege Escalation

Defense Evasion

Modify Registry

5
T1112

Disabling Security Tools

2
T1089

Credential Access

Discovery

Query Registry

1
T1012

System Information Discovery

2
T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Tasks