Overview

overview

10

Static

static

3

eddb245a5d...16.exe

windows7-x64

10

eddb245a5d...16.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    ce6c774bcbcb08ee2e11a539a45e70afc1282d04970d52b42020d8c761173b49

  • Size

    291KB

  • Sample

    240417-p6pgeagb63

  • MD5

    01513add1d9e805de24784913a252e3f

  • SHA1

    56b34582a34a41a9da3b680fdbe7136a2b343b4e

  • SHA256

    ce6c774bcbcb08ee2e11a539a45e70afc1282d04970d52b42020d8c761173b49

  • SHA512

    f774adc5baad09f3112dca3c088911246fc23a43b831069da12db06de741f75dede47b0b5f69189c71a138355705075f329ae31f446bc45fb16e9a068706e0eb

  • SSDEEP

    6144:ySpeh1zgHkZxm3Dsfo5hHaWA63t40bcj3zNRhWjtKy1f:Fp7EruDsfMhHaWdFbIIjc6

Score
10/10
darkcometguest16evasionpersistencerattrojanupx

Malware Config

Extracted

Family

darkcomet

Botnet

Guest16

C2

sussynv83dj893.duckdns.org:1604

Mutex

DC_MUTEX-RU83HNV

Attributes
  • InstallPath

    MSDCSC\msdcsc.exe

  • gencode

    MFz6heXQQ4jP

  • install

    true

  • offline_keylogger

    true

  • persistence

    false

  • reg_key

    MicroUpdate

Targets

    • Target

      eddb245a5dc0d8f70ffb66c033cbaa38ea4639d900739c5580bc37d86f258816.exe

    • Size

      350KB

    • MD5

      220fd88ed61a81dd7238c8385fc8c5f7

    • SHA1

      b4c6ea98e705912f38816bd4aff085871b1bae80

    • SHA256

      eddb245a5dc0d8f70ffb66c033cbaa38ea4639d900739c5580bc37d86f258816

    • SHA512

      355aad3cc89c3d6acaf53a7091903d6b0b4092e1f4c7bc6c41255a7aafce00d3807ddad4b5c027a0437938e17278f7a8d591a085b4e014fff8d6165fdeb6838f

    • SSDEEP

      6144:hSncRldcNYS996KFifeVjBpeExgVTFSXFoMc5RhCaL37wxM:Q4jcW7KEZlPzCy37

    Score
    10/10
    darkcometguest16evasionpersistencerattrojanupx

    • Darkcomet

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

      trojanratdarkcomet

    • Modifies WinLogon for persistence

      persistence

    • Sets file to hidden

      Modifies file attributes to stop it showing in Explorer etc.

      evasion

    • Checks computer location settings

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

    • Executes dropped EXE

    • Loads dropped DLL

    • UPX packed file

      Detects executables packed with UPX/modified UPX open source packer.

      upx

    • 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

Hide Artifacts

2
T1564

Hidden Files and Directories

2
T1564.001

Credential Access

Discovery

Query Registry

1
T1012

System Information Discovery

2
T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Resource Development

Reconnaissance

Tasks