Overview

overview

10

Static

static

4986848f62...75.exe

windows7-x64

10

4986848f62...75.exe

windows10-2004-x64

1

Sharing

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General

  • Target

    4986848f6207538a84edd2a743bf5516b4f0f1c590c921a8cb41f3a02e4a5175

  • Size

    1.1MB

  • Sample

    221126-cj6qysha7t

  • MD5

    c9c5d851a63a1453821c448809b9d979

  • SHA1

    7f7d95e0d21b1fc3e892c54197ab03938c36828b

  • SHA256

    4986848f6207538a84edd2a743bf5516b4f0f1c590c921a8cb41f3a02e4a5175

  • SHA512

    23808e72d542e9b534377c0979b10fec87d483c2ef21f721bc736e9720e801c6a6b56c64a1704bb084a8df6e78ecf70f6ce631fad4a39940bfc2f4ffb6ae35ce

  • SSDEEP

    24576:2y7DFR9KwHS+MASroQTph+G8u0ORwMTRGTIwX4cxgFWYS0k:Q0ORBN9mgdSF

Score
10/10
darkcometupdateevasionpersistencerattrojan

Malware Config

Extracted

Family

darkcomet

Botnet

update

C2

oliv33r.ddns.net:9033

Mutex

DC_MUTEX-D8Z54GK

Attributes
  • InstallPath

    MSDCSC\msdcsc.exe

  • gencode

    Ht63gFPXLsUs

  • install

    true

  • offline_keylogger

    true

  • password

    9123

  • persistence

    true

  • reg_key

    MicroUpdate

Targets

    • Target

      4986848f6207538a84edd2a743bf5516b4f0f1c590c921a8cb41f3a02e4a5175

    • Size

      1.1MB

    • MD5

      c9c5d851a63a1453821c448809b9d979

    • SHA1

      7f7d95e0d21b1fc3e892c54197ab03938c36828b

    • SHA256

      4986848f6207538a84edd2a743bf5516b4f0f1c590c921a8cb41f3a02e4a5175

    • SHA512

      23808e72d542e9b534377c0979b10fec87d483c2ef21f721bc736e9720e801c6a6b56c64a1704bb084a8df6e78ecf70f6ce631fad4a39940bfc2f4ffb6ae35ce

    • SSDEEP

      24576:2y7DFR9KwHS+MASroQTph+G8u0ORwMTRGTIwX4cxgFWYS0k:Q0ORBN9mgdSF

    Score
    10/10
    darkcometupdateevasionpersistencerattrojan

    • Darkcomet

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

      trojanratdarkcomet

    • Modifies WinLogon for persistence

      persistence

    • Disables Task Manager via registry modification

      evasion

    • Executes dropped EXE

    • Sets file to hidden

      Modifies file attributes to stop it showing in Explorer etc.

      evasion

    • 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

Hidden Files and Directories

2
T1158

Registry Run Keys / Startup Folder

1
T1060

Privilege Escalation

Defense Evasion

Modify Registry

2
T1112

Hidden Files and Directories

2
T1158

Credential Access

Discovery

System Information Discovery

1
T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Tasks