Overview

overview

10

Static

static

8340bd9cd5...4e.exe

windows7-x64

10

8340bd9cd5...4e.exe

windows10-2004-x64

8

Sharing

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General

  • Target

    8340bd9cd59f5d01147809a40b97255fca021236fb5301768cf745de300fa14e

  • Size

    1.1MB

  • Sample

    221029-wm78qshaf7

  • MD5

    845ee02217cc02dbe8b0fc34859d7d88

  • SHA1

    a50ef3d978ac9f57cbf1b3ba0370b1927f66a381

  • SHA256

    8340bd9cd59f5d01147809a40b97255fca021236fb5301768cf745de300fa14e

  • SHA512

    a4fd57a1622c8d8671650bded95f15d44d8656d0a5ca055653abee9fee031903a5832262d55c7a2f736fc3851721b230411a70cb82850ba07c8b67ee9a4f7499

  • SSDEEP

    24576:JTOpHCJKeZeDj7ywX0Mf5ST58ZTOpHPuWvygQlnjqMf5ST58p:RKeQzywX0mcTgBYQZqmcTo

Score
10/10
darkcometbotevasionpersistencerattrojan

Malware Config

Extracted

Family

darkcomet

Botnet

Bot

C2

rangekid15.no-ip.info:201

Mutex

DC_MUTEX-1PZGZJC

Attributes
  • InstallPath

    7899833/2938392.exe

  • gencode

    fZH04UXY1pT3

  • install

    true

  • offline_keylogger

    true

  • persistence

    true

  • reg_key

    Windows.dll

Targets

    • Target

      8340bd9cd59f5d01147809a40b97255fca021236fb5301768cf745de300fa14e

    • Size

      1.1MB

    • MD5

      845ee02217cc02dbe8b0fc34859d7d88

    • SHA1

      a50ef3d978ac9f57cbf1b3ba0370b1927f66a381

    • SHA256

      8340bd9cd59f5d01147809a40b97255fca021236fb5301768cf745de300fa14e

    • SHA512

      a4fd57a1622c8d8671650bded95f15d44d8656d0a5ca055653abee9fee031903a5832262d55c7a2f736fc3851721b230411a70cb82850ba07c8b67ee9a4f7499

    • SSDEEP

      24576:JTOpHCJKeZeDj7ywX0Mf5ST58ZTOpHPuWvygQlnjqMf5ST58p:RKeQzywX0mcTgBYQZqmcTo

    Score
    10/10
    darkcometbotevasionpersistencerattrojan

    • Darkcomet

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

      trojanratdarkcomet

    • Modifies WinLogon for persistence

      persistence

    • Modifies firewall policy service

      evasion

    • Disables RegEdit via registry modification

      evasion

    • Disables Task Manager via registry modification

      evasion

    • 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

Modify Existing Service

1
T1031

Registry Run Keys / Startup Folder

1
T1060

Privilege Escalation

Defense Evasion

Modify Registry

3
T1112

Credential Access

Discovery

Query Registry

1
T1012

System Information Discovery

2
T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Tasks