Overview

overview

10

Static

static

10

3F7658A27F...0B.exe

windows7-x64

10

3F7658A27F...0B.exe

windows10-2004-x64

10

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General

  • Target

    3F7658A27F67BEE2E61E5232CC9219AD6D0B02725300B.exe

  • Size

    1.7MB

  • Sample

    220723-lbb12sdea6

  • MD5

    acd1823f730bbae6f40b8a72d5c33b23

  • SHA1

    ba241da2b4624e5de319fcea2a339484181cecae

  • SHA256

    3f7658a27f67bee2e61e5232cc9219ad6d0b02725300bcc426ac527fc7099ab6

  • SHA512

    dd653a13ae4024341c4a0fbe230743c705e2d517c96e42daf5ada4f75c40f42b1a71b28fa166c83e73c323b53fc79f6b91b522de85622bde719e2c62e05c6b2e

Score
10/10
darkcometnanocoreguest16evasionkeyloggerpersistenceratspywarestealertrojan

Malware Config

Extracted

Family

darkcomet

Botnet

Guest16

C2

ratcentho.ddns.net:1605

Mutex

DC_MUTEX-XXBNAVR

Attributes
  • gencode

    imJcwLMrzv76

  • install

    false

  • offline_keylogger

    true

  • persistence

    false

Extracted

Family

nanocore

Version

1.2.2.0

C2

ratcentho.ddns.net:53896

ratcenthoo.ddns.net:53896
Mutex

c3ecc23e-d422-48ab-aba3-284b020fb031

Attributes
  • activate_away_mode

    true

  • backup_connection_host

    ratcenthoo.ddns.net

  • backup_dns_server

    8.8.4.4

  • buffer_size

    65535

  • build_time

    2021-10-24T17:06:49.017212336Z

  • bypass_user_account_control

    true

  • bypass_user_account_control_data

  • clear_access_control

    true

  • clear_zone_identifier

    false

  • connect_delay

    4000

  • connection_port

    53896

  • default_group

    Default

  • enable_debug_mode

    true

  • gc_threshold

    1.048576e+07

  • keep_alive_timeout

    30000

  • keyboard_logging

    false

  • lan_timeout

    2500

  • max_packet_size

    1.048576e+07

  • mutex

    c3ecc23e-d422-48ab-aba3-284b020fb031

  • mutex_timeout

    5000

  • prevent_system_sleep

    false

  • primary_connection_host

    ratcentho.ddns.net

  • primary_dns_server

    8.8.8.8

  • request_elevation

    true

  • restart_delay

    5000

  • run_delay

    0

  • run_on_startup

    false

  • set_critical_process

    true

  • timeout_interval

    5000

  • use_custom_dns_server

    false

  • version

    1.2.2.0

  • wan_timeout

    8000

Targets

    • Target

      3F7658A27F67BEE2E61E5232CC9219AD6D0B02725300B.exe

    • Size

      1.7MB

    • MD5

      acd1823f730bbae6f40b8a72d5c33b23

    • SHA1

      ba241da2b4624e5de319fcea2a339484181cecae

    • SHA256

      3f7658a27f67bee2e61e5232cc9219ad6d0b02725300bcc426ac527fc7099ab6

    • SHA512

      dd653a13ae4024341c4a0fbe230743c705e2d517c96e42daf5ada4f75c40f42b1a71b28fa166c83e73c323b53fc79f6b91b522de85622bde719e2c62e05c6b2e

    Score
    10/10
    darkcometnanocoreevasionkeyloggerpersistenceratspywarestealertrojan

    • Darkcomet

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

      trojanratdarkcomet

    • NanoCore

      NanoCore is a remote access tool (RAT) with a variety of capabilities.

      keyloggertrojanstealerspywarenanocore

    • Executes dropped EXE

    • Checks computer location settings

      Looks up country code configured in the registry, likely geofence.

    • Drops startup file

    • Loads dropped DLL

    • Adds Run key to start application

      persistence

    • Checks whether UAC is enabled

      evasiontrojan
    behavioral1behavioral2

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Scheduled Task

1
T1053

Persistence

Registry Run Keys / Startup Folder

1
T1060

Scheduled Task

1
T1053

Privilege Escalation

Scheduled Task

1
T1053

Defense Evasion

Modify Registry

1
T1112

Credential Access

Discovery

Query Registry

1
T1012

System Information Discovery

3
T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Tasks