Overview

overview

10

Static

static

F-Launcher.exe

windows7_x64

10

F-Launcher.exe

windows10_x64

10

Sharing

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General

  • Target

    F-Launcher.exe

  • Size

    1.1MB

  • Sample

    210721-62m85mgr26

  • MD5

    6c592736cf6ae24c1d7e5d051234fdbd

  • SHA1

    dcfddb9aed55a79e38287ddd4e849728d61b67c7

  • SHA256

    846d82f6f9d6b965ef683cd91724d72917263cf21e9f0f7e4ed2cb4f1ceacce8

  • SHA512

    e5d7692eec1fbdf05c87164951d93a911c0c2308e700d5b7543852c98d31fddfc2c2ed043a514def3a1d9e5fe7317b3771f148dad2c900a3e58e3454e1e6fad1

Score
10/10
darkcometnjratggnyan catevasionpersistencerattrojan

Malware Config

Extracted

Family

darkcomet

Botnet

GG

C2

secret92.ddns.net:82

Mutex

DC_MUTEX-A6ET8RQ

Attributes
  • InstallPath

    MSDCSC\msdcsc.exe

  • gencode

    oqyLUmi211Cb

  • install

    true

  • offline_keylogger

    true

  • persistence

    true

  • reg_key

    MicroUpdate

Extracted

Family

njrat

Version

0.7NC

Botnet

NYAN CAT

C2

secret92.ddns.net:8082

Mutex

0c3398f1458

Attributes
  • reg_key

    0c3398f1458

  • splitter

    @!#&^%$

Targets

    • Target

      F-Launcher.exe

    • Size

      1.1MB

    • MD5

      6c592736cf6ae24c1d7e5d051234fdbd

    • SHA1

      dcfddb9aed55a79e38287ddd4e849728d61b67c7

    • SHA256

      846d82f6f9d6b965ef683cd91724d72917263cf21e9f0f7e4ed2cb4f1ceacce8

    • SHA512

      e5d7692eec1fbdf05c87164951d93a911c0c2308e700d5b7543852c98d31fddfc2c2ed043a514def3a1d9e5fe7317b3771f148dad2c900a3e58e3454e1e6fad1

    Score
    10/10
    darkcometnjratggnyan catevasionpersistencerattrojan

    • Darkcomet

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

      trojanratdarkcomet

    • Modifies WinLogon for persistence

      persistence

    • Modifies security service

      evasion

    • Windows security bypass

      evasiontrojan

    • njRAT/Bladabindi

      Widely used RAT written in .NET.

      trojannjrat

    • Executes dropped EXE

    • 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.

    • Loads dropped DLL

    • Windows security modification

      evasiontrojan

    • Adds Run key to start application

      persistence
    behavioral1behavioral2

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Winlogon Helper DLL

1
T1004

Modify Existing Service

1
T1031

Hidden Files and Directories

2
T1158

Registry Run Keys / Startup Folder

1
T1060

Privilege Escalation

Defense Evasion

Modify Registry

7
T1112

Disabling Security Tools

2
T1089

Hidden Files and Directories

2
T1158

Credential Access

Discovery

Query Registry

1
T1012

System Information Discovery

2
T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Tasks