Overview

overview

10

Static

static

66cbf78bef...cc.exe

windows7-x64

10

66cbf78bef...cc.exe

windows10-2004-x64

3

Sharing

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General

  • Target

    66cbf78bef04886de9f7dacc6b7dffe919a87011bfe482fd8ddfbe7bf791fbcc

  • Size

    705KB

  • Sample

    221126-2vlbtsef9y

  • MD5

    5d5ae2dfec782528dbf7022a5e153c2e

  • SHA1

    ad267543c3953a315fd585b274c61e8ade393219

  • SHA256

    66cbf78bef04886de9f7dacc6b7dffe919a87011bfe482fd8ddfbe7bf791fbcc

  • SHA512

    358052014ed4f8e8419a4ce67d18230c33aebc6d3f9005dbacf096a8d2011f125664d4d3547a4bbe90ce32e60733931278acdca2e8929c3ff84128375ea1670a

  • SSDEEP

    12288:bFa3rg0Tn+1rOO1lNqkLVmJWq88ILe4xwirKeuDZJfyIUdmgeCX5W2/oooJA1ooq:s00Tn+JNqkVLnlxwuKvDasCXJoooJA1O

Score
10/10
darkcometguest16_minpersistencerattrojan

Malware Config

Extracted

Family

darkcomet

Botnet

Guest16_min

C2

amnizia.no-ip.org:1604

Mutex

DCMIN_MUTEX-T34E8EC

Attributes
  • InstallPath

    DCSCMIN\IMDCSC.exe

  • gencode

    hD7ZKwX5TTz1

  • install

    true

  • offline_keylogger

    true

  • persistence

    false

  • reg_key

    DarkComet RAT

Targets

    • Target

      66cbf78bef04886de9f7dacc6b7dffe919a87011bfe482fd8ddfbe7bf791fbcc

    • Size

      705KB

    • MD5

      5d5ae2dfec782528dbf7022a5e153c2e

    • SHA1

      ad267543c3953a315fd585b274c61e8ade393219

    • SHA256

      66cbf78bef04886de9f7dacc6b7dffe919a87011bfe482fd8ddfbe7bf791fbcc

    • SHA512

      358052014ed4f8e8419a4ce67d18230c33aebc6d3f9005dbacf096a8d2011f125664d4d3547a4bbe90ce32e60733931278acdca2e8929c3ff84128375ea1670a

    • SSDEEP

      12288:bFa3rg0Tn+1rOO1lNqkLVmJWq88ILe4xwirKeuDZJfyIUdmgeCX5W2/oooJA1ooq:s00Tn+JNqkVLnlxwuKvDasCXJoooJA1O

    Score
    10/10
    darkcometguest16_minpersistencerattrojan

    • Darkcomet

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

      trojanratdarkcomet

    • Modifies WinLogon for persistence

      persistence

    • Executes dropped EXE

    • Loads dropped DLL

    • Adds Run key to start application

      persistence

    • Suspicious use of SetThreadContext

    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

System Information Discovery

1
T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Tasks