Overview

overview

10

Static

static

b95aab4ab6...0e.exe

windows7-x64

10

b95aab4ab6...0e.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    b95aab4ab662ec879876add015f81eca69f7ce36c95d3235615498e015cff70e

  • Size

    752KB

  • Sample

    230130-e399laaf81

  • MD5

    7ae82a0eb34716b9157d187dc6fc92b0

  • SHA1

    37355e07e919c4f11e8891328ae6a33f5a9e1c98

  • SHA256

    b95aab4ab662ec879876add015f81eca69f7ce36c95d3235615498e015cff70e

  • SHA512

    8f5eac8d5169cf3b292408a9eea4e73c87b37cb10132ec98e3b29db71936f85c3932e4b9b2a9ab7a9750172a64c59351854262b39b3878f9664cd0ebc6e92a9d

  • SSDEEP

    12288:o977/I/+E7vLImA7AEiEbii6d3lDXAwmptdyETbb6K3cTRhwk:oFnXiEyJlDXpQyYiKs

Score
10/10
darkcometdcevasionpersistencerattrojan

Malware Config

Extracted

Family

darkcomet

Botnet

DC

C2

silentr0ck.no-ip.org:200

Mutex

DC_MUTEX-GFB9NCY

Attributes
  • InstallPath

    MSDCSC\msdcsc.exe

  • gencode

    wSXulC9TtV8h

  • install

    true

  • offline_keylogger

    true

  • persistence

    true

  • reg_key

    rundll32

Targets

    • Target

      b95aab4ab662ec879876add015f81eca69f7ce36c95d3235615498e015cff70e

    • Size

      752KB

    • MD5

      7ae82a0eb34716b9157d187dc6fc92b0

    • SHA1

      37355e07e919c4f11e8891328ae6a33f5a9e1c98

    • SHA256

      b95aab4ab662ec879876add015f81eca69f7ce36c95d3235615498e015cff70e

    • SHA512

      8f5eac8d5169cf3b292408a9eea4e73c87b37cb10132ec98e3b29db71936f85c3932e4b9b2a9ab7a9750172a64c59351854262b39b3878f9664cd0ebc6e92a9d

    • SSDEEP

      12288:o977/I/+E7vLImA7AEiEbii6d3lDXAwmptdyETbb6K3cTRhwk:oFnXiEyJlDXpQyYiKs

    Score
    10/10
    darkcometdcevasionpersistencerattrojan

    • Darkcomet

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

      trojanratdarkcomet

    • Modifies WinLogon for persistence

      persistence

    • 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

    • Drops file in System32 directory

    • 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

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Tasks