Overview

overview

10

Static

static

10

7c0419ba2a...c7.exe

windows7-x64

10

7c0419ba2a...c7.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    7c0419ba2a9a126e8193f3efd67a5aea331de825c0bbbf89ef3950ea08b766c7

  • Size

    756KB

  • Sample

    221003-tlmjjaebc8

  • MD5

    6d3942d9fe24a9da8310d6991ea77030

  • SHA1

    60bf0552c3b6a37ee840382792cb5e837c88e4fe

  • SHA256

    7c0419ba2a9a126e8193f3efd67a5aea331de825c0bbbf89ef3950ea08b766c7

  • SHA512

    bf31936ce761718ef6daf755db7c9a10a42420022c57a42f575eb52f1a8bce6208f34b72b97ff150d5bba03346537eaf8f4bb958e71bddf309cb3e4bbe2ff594

  • SSDEEP

    12288:y9HFJ9rJxRX1uVVjoaWSoynxdO1FVBaOiRZTERfIhNkNCCLo9Ek5C/h1:eZ1xuVVjfFoynPaVBUR8f+kN10EB3

Score
10/10
darkcometvictimepersistencerattrojan

Malware Config

Extracted

Family

darkcomet

Botnet

victime

C2

88.139.111.187:1604

Mutex

DC_MUTEX-5014XJ2

Attributes
  • InstallPath

    MSDCSC\msdcsc.exe

  • gencode

    BFM60zGFMdWM

  • install

    true

  • offline_keylogger

    true

  • persistence

    false

  • reg_key

    MicroUpdate

Targets

    • Target

      7c0419ba2a9a126e8193f3efd67a5aea331de825c0bbbf89ef3950ea08b766c7

    • Size

      756KB

    • MD5

      6d3942d9fe24a9da8310d6991ea77030

    • SHA1

      60bf0552c3b6a37ee840382792cb5e837c88e4fe

    • SHA256

      7c0419ba2a9a126e8193f3efd67a5aea331de825c0bbbf89ef3950ea08b766c7

    • SHA512

      bf31936ce761718ef6daf755db7c9a10a42420022c57a42f575eb52f1a8bce6208f34b72b97ff150d5bba03346537eaf8f4bb958e71bddf309cb3e4bbe2ff594

    • SSDEEP

      12288:y9HFJ9rJxRX1uVVjoaWSoynxdO1FVBaOiRZTERfIhNkNCCLo9Ek5C/h1:eZ1xuVVjfFoynPaVBUR8f+kN10EB3

    Score
    10/10
    darkcometvictimepersistencerattrojan

    • Darkcomet

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

      trojanratdarkcomet

    • Modifies WinLogon for persistence

      persistence

    • Executes dropped EXE

    • Checks computer location settings

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

    • Loads dropped DLL

    • Adds Run key to start application

      persistence
    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

Query Registry

1
T1012

System Information Discovery

2
T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Tasks