Overview

overview

10

Static

static

8

417dd0fc26...48.exe

windows7_x64

10

417dd0fc26...48.exe

windows10_x64

10

Sharing

Copy URL
Twitter E-mail

General

  • Target

    417dd0fc267b52a099e6d21e2f587448

  • Size

    252KB

  • Sample

    201117-ff5v78ch1x

  • MD5

    d87a0b6ff3b80619eff6a91dcbbc92f2

  • SHA1

    2bd496d9718547ba4ff87aab82ef78e7d020b586

  • SHA256

    bdca22b50a716ac1106fce8eb7fbb0df989bbf381329e952d16be68dc01c6477

  • SHA512

    da4d7b6ddb9ac15f82ed0e9452e4e90e474c3b22a2b4eb859f3e34033676d1e6e117278a1c65a22ba27a3ba4199c8b5334b8d036d139a3e5071f917c8026df1e

Score
10/10
darkcometguest16evasionpersistencerattrojanupx

Malware Config

Extracted

Family

darkcomet

Botnet

Guest16

C2

batchlove.hopto.org:1605

Mutex

DC_MUTEX-Y0UZCZQ

Attributes
  • InstallPath

    MSDCSC\msdcsc.exe

  • gencode

    KmnWlesUz91w

  • install

    true

  • offline_keylogger

    true

  • persistence

    true

  • reg_key

    MicroUpdate

Targets

    • Target

      417dd0fc267b52a099e6d21e2f587448

    • Size

      252KB

    • MD5

      d87a0b6ff3b80619eff6a91dcbbc92f2

    • SHA1

      2bd496d9718547ba4ff87aab82ef78e7d020b586

    • SHA256

      bdca22b50a716ac1106fce8eb7fbb0df989bbf381329e952d16be68dc01c6477

    • SHA512

      da4d7b6ddb9ac15f82ed0e9452e4e90e474c3b22a2b4eb859f3e34033676d1e6e117278a1c65a22ba27a3ba4199c8b5334b8d036d139a3e5071f917c8026df1e

    Score
    10/10
    darkcometguest16evasionpersistencerattrojanupx

    • Darkcomet

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

      trojanratdarkcomet

    • Modifies WinLogon for persistence

      persistence

    • Modifies firewall policy service

      evasion

    • Modifies security service

      evasion

    • Windows security bypass

      evasiontrojan

    • Disables RegEdit via registry modification

      evasion

    • Disables Task Manager via registry modification

      evasion

    • Executes dropped EXE

    • Sets file to hidden

      Modifies file attributes to stop it showing in Explorer etc.

      evasion

    • 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

    • Windows security modification

      evasiontrojan

    • Adds Run key to start application

      persistence

    • Suspicious use of SetThreadContext

    behavioral1behavioral2

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Winlogon Helper DLL

1
T1004

Modify Existing Service

2
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