Overview

overview

10

Static

static

F2JC6A4V49B7.js

windows7_x64

10

F2JC6A4V49B7.js

windows10_x64

10

Sharing

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General

  • Target

    F2JC6A4V49B7.js

  • Size

    81KB

  • Sample

    211014-wlv7saaba6

  • MD5

    e9e4fc8abb66f8c5fcf22de751661a85

  • SHA1

    0473d2d0d1049d350c0c4bf7d14abad002425106

  • SHA256

    f3238d349b2650f8e0446a2f73ef3d3fefec5d40268ebdf7eb42bc2ac8adec9e

  • SHA512

    0d5253b9892eaa58c0622712978e9fee38e2e38ab6756b63936b6878fc7b65439e6567a65b2fdb39baff4b1e22bb81afba1344396e66f155bacded0c12bc5334

Score
10/10
nanocorevjw0rmevasionkeyloggerpersistencespywarestealertrojanworm

Malware Config

Extracted

Family

vjw0rm

C2

http://6800js.duckdns.org:6800

Extracted

Family

nanocore

Version

1.2.2.0

C2

fridayac.duckdns.org:8090

Mutex

6c5167df-4717-4e82-ab70-3a201017d990

Attributes
  • activate_away_mode

    true

  • backup_connection_host

    fridayac.duckdns.org

  • backup_dns_server

    8.8.4.4

  • buffer_size

    65535

  • build_time

    2021-07-20T18:05:52.679087536Z

  • bypass_user_account_control

    true

  • bypass_user_account_control_data

  • clear_access_control

    true

  • clear_zone_identifier

    false

  • connect_delay

    4000

  • connection_port

    8090

  • default_group

    FRIDAY AC

  • 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

    6c5167df-4717-4e82-ab70-3a201017d990

  • mutex_timeout

    5000

  • prevent_system_sleep

    false

  • primary_connection_host

    fridayac.duckdns.org

  • primary_dns_server

    8.8.8.8

  • request_elevation

    true

  • restart_delay

    5000

  • run_delay

    0

  • run_on_startup

    true

  • set_critical_process

    true

  • timeout_interval

    5000

  • use_custom_dns_server

    false

  • version

    1.2.2.0

  • wan_timeout

    8000

Targets

    • Target

      F2JC6A4V49B7.js

    • Size

      81KB

    • MD5

      e9e4fc8abb66f8c5fcf22de751661a85

    • SHA1

      0473d2d0d1049d350c0c4bf7d14abad002425106

    • SHA256

      f3238d349b2650f8e0446a2f73ef3d3fefec5d40268ebdf7eb42bc2ac8adec9e

    • SHA512

      0d5253b9892eaa58c0622712978e9fee38e2e38ab6756b63936b6878fc7b65439e6567a65b2fdb39baff4b1e22bb81afba1344396e66f155bacded0c12bc5334

    Score
    10/10
    vjw0rmpersistencetrojanwormnanocoreevasionkeyloggerspywarestealer

    • NanoCore

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

      keyloggertrojanstealerspywarenanocore

    • Vjw0rm

      Vjw0rm is a remote access trojan written in JavaScript.

      trojanwormvjw0rm

    • Windows security bypass

      evasiontrojan

    • Blocklisted process makes network request

    • Downloads MZ/PE file

    • Executes dropped EXE

    • Drops startup file

    • Windows security modification

      evasiontrojan

    • Adds Run key to start application

      persistence

    • Suspicious use of NtSetInformationThreadHideFromDebugger

    • Suspicious use of SetThreadContext

    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

Disabling Security Tools

2
T1089

Modify Registry

4
T1112

Install Root Certificate

1
T1130

Credential Access

Discovery

System Information Discovery

1
T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Tasks