Overview

overview

10

Static

static

10

b4d47dffea...64.exe

windows7-x64

10

b4d47dffea...64.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    b4d47dffea5885e4a5a9b7d329949d2523fa6e528d24333f8ef719bbe5d71964

  • Size

    814KB

  • Sample

    221130-w7je4sea43

  • MD5

    74230b48a3527617281d77d88a876591

  • SHA1

    eb36e4e7a0a4a18cafe4405988542f3742aee86e

  • SHA256

    b4d47dffea5885e4a5a9b7d329949d2523fa6e528d24333f8ef719bbe5d71964

  • SHA512

    b3275c8f4d4069f81ac5467d641ef9fc7b36de8fcdfd97d2e47c22a3c894a494dc143cb4d5a4da85434f9d38a636ea2b31151c06e7d8f32f582fef0497dc9aec

  • SSDEEP

    12288:LifsksSl+IUfUGkk0lzSqfJhUIgWc4S5m48kA+WWgNhUO2NncLBwvgRTGJIKW3/u:eHZUZNaqWHgRRORBwvgRuS/81L

Score
10/10
darkcometmodiloaderserverpersistencerattrojan

Malware Config

Extracted

Family

darkcomet

Botnet

Server

C2

thaneveenz.no-ip.biz:1604

Mutex

DC_MUTEX-NZWP5K5

Attributes
  • InstallPath

    Program Files\winupdate\winupdate.exe

  • gencode

    7Jojid436QAA

  • install

    true

  • offline_keylogger

    true

  • persistence

    true

  • reg_key

    MicroUpdate

Targets

    • Target

      b4d47dffea5885e4a5a9b7d329949d2523fa6e528d24333f8ef719bbe5d71964

    • Size

      814KB

    • MD5

      74230b48a3527617281d77d88a876591

    • SHA1

      eb36e4e7a0a4a18cafe4405988542f3742aee86e

    • SHA256

      b4d47dffea5885e4a5a9b7d329949d2523fa6e528d24333f8ef719bbe5d71964

    • SHA512

      b3275c8f4d4069f81ac5467d641ef9fc7b36de8fcdfd97d2e47c22a3c894a494dc143cb4d5a4da85434f9d38a636ea2b31151c06e7d8f32f582fef0497dc9aec

    • SSDEEP

      12288:LifsksSl+IUfUGkk0lzSqfJhUIgWc4S5m48kA+WWgNhUO2NncLBwvgRTGJIKW3/u:eHZUZNaqWHgRRORBwvgRuS/81L

    Score
    10/10
    darkcometmodiloaderserverpersistencerattrojan

    • Darkcomet

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

      trojanratdarkcomet

    • ModiLoader, DBatLoader

      ModiLoader is a Delphi loader that misuses cloud services to download other malicious families.

      trojanmodiloader

    • Modifies WinLogon for persistence

      persistence

    • ModiLoader Second Stage

    • 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

    • Suspicious use of SetThreadContext

    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