Overview

overview

10

Static

static

_YNOO1.JS

windows7_x64

10

_YNOO1.JS

windows10_x64

10

_YNOO2.JS

windows7_x64

10

_YNOO2.JS

windows10_x64

10

Sharing

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General

  • Target

    #YNOO1AS0.ISO

  • Size

    1.2MB

  • Sample

    211029-sytmyadeg5

  • MD5

    20db56ec8e3303573fb75081ed93528e

  • SHA1

    dbc6ae87432142e74d5956992c519489ad2a2240

  • SHA256

    639a52ac0f48d8f50087a000045ca96697b82bac64354c24e943d05adf382f54

  • SHA512

    db040dddf91166a3d99994918e316f931e33ca7690dd320d4235332be646a9c141be16cb2241089759eb2b190c38d24b6ef4e319b97de18053df0ceedb7abd13

Score
10/10
nanocorevjw0rmevasionkeyloggerpersistencespywarestealertrojanworm

Malware Config

Extracted

Family

vjw0rm

C2

http://tdeasy.duckdns.org:6128

Extracted

Family

nanocore

Version

1.2.2.0

C2

nanoboss.duckdns.org:6129

Mutex

f795cec6-1cfb-44f9-898a-e041c33422fe

Attributes
  • activate_away_mode

    false

  • backup_connection_host

    nanoboss.duckdns.org

  • backup_dns_server

    8.8.4.4

  • buffer_size

    65535

  • build_time

    2021-08-10T14:25:49.368918836Z

  • bypass_user_account_control

    false

  • bypass_user_account_control_data

    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

  • clear_access_control

    true

  • clear_zone_identifier

    false

  • connect_delay

    4000

  • connection_port

    6129

  • 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

    f795cec6-1cfb-44f9-898a-e041c33422fe

  • mutex_timeout

    5000

  • prevent_system_sleep

    false

  • primary_connection_host

    nanoboss.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

Targets

    • Target

      _YNOO1.JS

    • Size

      16KB

    • MD5

      a1a3e5dae77dc6f0583baa8aba265e15

    • SHA1

      336a077a4bb9bd5256326d8499da778fa96ff253

    • SHA256

      293873306a36a941044538e83294552b6bb9ec7519be1c3d0f022b7e1eac204a

    • SHA512

      4924c89011c4871954f0fb816a16618039a94ffcbd5111eddf8a9b3aac0bf53d7a35f3dd737843c50bb91c3f282318c69ea0edeff18c0227abd08146b01830b7

    Score
    10/10
    vjw0rmpersistencetrojanworm

    • Vjw0rm

      Vjw0rm is a remote access trojan written in JavaScript.

      trojanwormvjw0rm

    • Blocklisted process makes network request

    • Drops startup file

    • Adds Run key to start application

      persistence
    behavioral1behavioral2

    • Target

      _YNOO2.JS

    • Size

      7KB

    • MD5

      aa7a0447437a65fe55dad70eb23ee51c

    • SHA1

      13a4ff9fbba5bf86c2943651bb253f28c09c0734

    • SHA256

      959484bfe98d39321a877e976a7cde13c9e2d0667a155dda17aeade58b68391c

    • SHA512

      e507b3065fb94d6610d72d6b723cabde19634eee11684b8864cc737fd530473be4989e9cb039a89b774952a5f881a6e6cbea834371817d31bb285b2ec2e117c4

    Score
    10/10
    nanocoreevasionkeyloggerpersistencespywarestealertrojan
    behavioral3behavioral4

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Scheduled Task

2
T1053

Persistence

Registry Run Keys / Startup Folder

2
T1060

Scheduled Task

2
T1053

Privilege Escalation

Scheduled Task

2
T1053

Defense Evasion

Modify Registry

2
T1112

Credential Access

Discovery

System Information Discovery

3
T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Tasks