Overview

overview

10

Static

static

10

2025-04-20...er.exe

windows10-2004-x64

10

2025-04-20...er.exe

windows11-21h2-x64

10

Sharing

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General

  • Target

    2025-04-20_38836c26314605862f3ca3bfe0936b46_amadey_asyncrat_darkcomet_elex_karagany_nanocore_rhadamanthys_smoke-loader

  • Size

    648KB

  • Sample

    250420-qkw5sszjz8

  • MD5

    38836c26314605862f3ca3bfe0936b46

  • SHA1

    b68d2a35b2d9f5083e3b2574ec409c6dbb615fd1

  • SHA256

    3e151c518a16e949c618995aa6e38f509ff95f4fcc0f2a84a13a64f310e34e1b

  • SHA512

    dc0aecfe210fd1169eea3118ca09de6dcb4e53ad6a7aee25580df1b82b224fa551a4c961756fbf0a415ab77aec2a26867cfd16fe0358bb1024da80b9e7bdc67e

  • SSDEEP

    12288:k4u+fpcW7KEZlPzCy37N282g0LV6Btpmkkx6g2:k1+TKiRzC0NqgGApfkxI

Score
10/10
asyncratdarkcometnanocoredefaultguest16defense_evasiondiscoverykeyloggerpersistenceratspywarestealertrojanupx

Malware Config

Extracted

Family

nanocore

Version

1.2.2.0

C2

jvjv2044duck33.duckdns.org:54984

Mutex

2fda0c27-65af-4514-b648-0066e7bbf615

Attributes
  • activate_away_mode

    true

  • backup_connection_host

    jvjv2044duck33.duckdns.org

  • backup_dns_server

    8.8.4.4

  • buffer_size

    65535

  • build_time

    2025-01-27T20:01:11.197098036Z

  • bypass_user_account_control

    true

  • bypass_user_account_control_data

  • clear_access_control

    true

  • clear_zone_identifier

    false

  • connect_delay

    4000

  • connection_port

    54984

  • 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

    2fda0c27-65af-4514-b648-0066e7bbf615

  • mutex_timeout

    5000

  • prevent_system_sleep

    false

  • primary_connection_host

    jvjv2044duck33.duckdns.org

  • 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

Extracted

Family

asyncrat

Version

0.5.8

Botnet

Default

C2

jvjv2044duck33.duckdns.org:8808

Mutex

0fC8zJGwBBNm

Attributes
  • delay

    3

  • install

    true

  • install_file

    csrss.exe

  • install_folder

    %AppData%

aes.plain

Extracted

Family

darkcomet

Botnet

Guest16

C2

jvjv2044duck33.duckdns.org:1604

Mutex

DC_MUTEX-CK7UE3N

Attributes
  • InstallPath

    MSDCSC\msdcsc.exe

  • gencode

    Jp74nsvbhc4i

  • install

    true

  • offline_keylogger

    true

  • persistence

    true

  • reg_key

    MicroUpdate

rc4.plain

Targets

    • Target

      2025-04-20_38836c26314605862f3ca3bfe0936b46_amadey_asyncrat_darkcomet_elex_karagany_nanocore_rhadamanthys_smoke-loader

    • Size

      648KB

    • MD5

      38836c26314605862f3ca3bfe0936b46

    • SHA1

      b68d2a35b2d9f5083e3b2574ec409c6dbb615fd1

    • SHA256

      3e151c518a16e949c618995aa6e38f509ff95f4fcc0f2a84a13a64f310e34e1b

    • SHA512

      dc0aecfe210fd1169eea3118ca09de6dcb4e53ad6a7aee25580df1b82b224fa551a4c961756fbf0a415ab77aec2a26867cfd16fe0358bb1024da80b9e7bdc67e

    • SSDEEP

      12288:k4u+fpcW7KEZlPzCy37N282g0LV6Btpmkkx6g2:k1+TKiRzC0NqgGApfkxI

    Score
    10/10
    asyncratdarkcometnanocoredefaultguest16defense_evasiondiscoverykeyloggerpersistenceratspywarestealertrojanupx

    • AsyncRat

      AsyncRAT is designed to remotely monitor and control other computers written in C#.

      ratasyncrat

    • Asyncrat family

      asyncrat

    • Darkcomet

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

      trojanratdarkcomet

    • Darkcomet family

      darkcomet

    • Modifies WinLogon for persistence

      persistence

    • NanoCore

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

      keyloggertrojanstealerspywarenanocore

    • Nanocore family

      nanocore

    • Async RAT payload

      rat

    • Disables Task Manager via registry modification

      defense_evasion

    • Sets file to hidden

      Modifies file attributes to stop it showing in Explorer etc.

      defense_evasion

    • Checks computer location settings

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

    • Executes dropped EXE

    • Adds Run key to start application

      persistence

    • Checks whether UAC is enabled

      defense_evasiontrojan

    • UPX packed file

      Detects executables packed with UPX/modified UPX open source packer.

      upx
    behavioral1behavioral2

MITRE ATT&CK Enterprise v16

Reconnaissance

Resource Development

Initial Access

Execution

Scheduled Task/Job

1
T1053

Scheduled Task

1
T1053.005

Persistence

Boot or Logon Autostart Execution

2
T1547

Registry Run Keys / Startup Folder

1
T1547.001

Winlogon Helper DLL

1
T1547.004

Scheduled Task/Job

1
T1053

Scheduled Task

1
T1053.005

Privilege Escalation

Boot or Logon Autostart Execution

2
T1547

Registry Run Keys / Startup Folder

1
T1547.001

Winlogon Helper DLL

1
T1547.004

Scheduled Task/Job

1
T1053

Scheduled Task

1
T1053.005

Defense Evasion

Hide Artifacts

2
T1564

Hidden Files and Directories

2
T1564.001

Modify Registry

2
T1112

Credential Access

Discovery

Query Registry

1
T1012

System Information Discovery

3
T1082

System Location Discovery

1
T1614

System Language Discovery

1
T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Tasks