Overview

overview

10

Static

static

10

628c23d063...f0.exe

windows7-x64

10

628c23d063...f0.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    628c23d063f84d1985f9b51a8841ccf9988bc2a31f1b8c6993f255b887ad6ff0

  • Size

    350KB

  • Sample

    221123-s5429adb49

  • MD5

    419bea8711945b4185825587a2e5b73d

  • SHA1

    f8f02d52acf2b828148a11c8e34526b08c5433a7

  • SHA256

    628c23d063f84d1985f9b51a8841ccf9988bc2a31f1b8c6993f255b887ad6ff0

  • SHA512

    5c5be665eab48de558005861a15eade944c8eca3738381d3e054a074224dfd50f0b1da5805f0da8691dae1c5578aefb6c9cb8a4af115759205aa41062412c5ff

  • SSDEEP

    6144:YD7cY2fgssM7Wirg9KXylmRiL+QMeC/i6isqX7UovnONztByipwxZFY05LLTMdW+:Yl8E4w5huat7UovONzbXwS0dMd0QZh9u

Score
10/10
darkcometwindows persistencerattrojanupx

Malware Config

Extracted

Family

darkcomet

Botnet

Windows

C2

darkcomet30.zapto.org:1604

192.168.1.4:1604
Mutex

DC_MUTEX-VYWT48W

Attributes
  • InstallPath

    MSDCSC\msdcsc.exe

  • gencode

    Qmcc37KssvVE

  • install

    true

  • offline_keylogger

    true

  • persistence

    false

  • reg_key

    MicroUpdate

Targets

    • Target

      628c23d063f84d1985f9b51a8841ccf9988bc2a31f1b8c6993f255b887ad6ff0

    • Size

      350KB

    • MD5

      419bea8711945b4185825587a2e5b73d

    • SHA1

      f8f02d52acf2b828148a11c8e34526b08c5433a7

    • SHA256

      628c23d063f84d1985f9b51a8841ccf9988bc2a31f1b8c6993f255b887ad6ff0

    • SHA512

      5c5be665eab48de558005861a15eade944c8eca3738381d3e054a074224dfd50f0b1da5805f0da8691dae1c5578aefb6c9cb8a4af115759205aa41062412c5ff

    • SSDEEP

      6144:YD7cY2fgssM7Wirg9KXylmRiL+QMeC/i6isqX7UovnONztByipwxZFY05LLTMdW+:Yl8E4w5huat7UovONzbXwS0dMd0QZh9u

    Score
    10/10
    darkcometwindows persistencerattrojanupx

    • 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

    • 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