Overview

overview

10

Static

static

3374c55ffe...d1.exe

windows7_x64

10

3374c55ffe...d1.exe

windows10_x64

10

Sharing

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General

  • Target

    3374c55ffe6c9195a538e3720cfbdb18da9f682cbb047a6347cbc285f491ffd1

  • Size

    868KB

  • Sample

    200624-eehx6f245n

  • MD5

    8b682031e43a69d340c0ea7f05b23542

  • SHA1

    0e9925fa0acdb9e377e43e6a0c4f4fa3582c8294

  • SHA256

    3374c55ffe6c9195a538e3720cfbdb18da9f682cbb047a6347cbc285f491ffd1

  • SHA512

    39c01453e01576daee56404477f9a251bf5a0ec841afc2457654232e0984176e20a08cfbed92c40716653605a0497683e5e70cff92e0a9a387b0da88be4a69f3

Score
10/10
darkcometbosspersistencerattrojanupx

Malware Config

Extracted

Family

darkcomet

Botnet

boss

C2

bestabbey.chickenkiller.com:1313

Mutex

DC_MUTEX-WTRM4LD

Attributes
  • InstallPath

    MSDCSC\msdcsc.exe

  • gencode

    A2h2fBZJ72xW

  • install

    true

  • offline_keylogger

    true

  • persistence

    true

  • reg_key

    MicroUpdate

Targets

    • Target

      3374c55ffe6c9195a538e3720cfbdb18da9f682cbb047a6347cbc285f491ffd1

    • Size

      868KB

    • MD5

      8b682031e43a69d340c0ea7f05b23542

    • SHA1

      0e9925fa0acdb9e377e43e6a0c4f4fa3582c8294

    • SHA256

      3374c55ffe6c9195a538e3720cfbdb18da9f682cbb047a6347cbc285f491ffd1

    • SHA512

      39c01453e01576daee56404477f9a251bf5a0ec841afc2457654232e0984176e20a08cfbed92c40716653605a0497683e5e70cff92e0a9a387b0da88be4a69f3

    Score
    10/10
    darkcometbosspersistencerattrojanupx

    • Darkcomet

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

      trojanratdarkcomet

    • Modifies WinLogon for persistence

      persistence

    • Executes dropped EXE

    • UPX packed file

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

      upx

    • 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

Scheduled Task

1
T1053

Persistence

Winlogon Helper DLL

1
T1004

Registry Run Keys / Startup Folder

1
T1060

Scheduled Task

1
T1053

Privilege Escalation

Scheduled Task

1
T1053

Defense Evasion

Modify Registry

3
T1112

Install Root Certificate

1
T1130

Credential Access

Discovery

System Information Discovery

1
T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Tasks