General

  • Target

    certified true.exe

  • Size

    818KB

  • Sample

    230322-qlmyhsha32

  • MD5

    7673ff8e90adce44dbd6b0d1c355fd13

  • SHA1

    b66e9945d069b0c273318bf12aaab6052358bf87

  • SHA256

    cfee0fb48134e7fecf10d360e537299729b365a47e813c89aebbd167467cd35b

  • SHA512

    56d87b6452f1c05041885244dab46688dd155e0f990c47736e6524f0f0794cd7925755573e5dc8a7102c5396e7960450f79b9432271452b8c189e0acfc536810

  • SSDEEP

    12288:kCbgpteoqTcOQp9IMjsqSxE+anZZtOz9XxBqgGzJ2nY42yEml/:FgPvOR1brK29Xx7GF2JDB

Malware Config

Extracted

Family

nanocore

Version

1.2.2.0

C2

vailderprepaidvcarder.theworkpc.com:7007

127.0.0.1:7007

Mutex

0c3b28d5-4cb9-4a7a-afba-60e11f36351e

Attributes
  • activate_away_mode

    true

  • backup_connection_host

    127.0.0.1

  • backup_dns_server

    8.8.4.4

  • buffer_size

    65535

  • build_time

    2022-09-25T15:30:35.616793836Z

  • bypass_user_account_control

    true

  • bypass_user_account_control_data

  • clear_access_control

    true

  • clear_zone_identifier

    false

  • connect_delay

    4000

  • connection_port

    7007

  • default_group

    Bulleting

  • 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

    0c3b28d5-4cb9-4a7a-afba-60e11f36351e

  • mutex_timeout

    5000

  • prevent_system_sleep

    false

  • primary_connection_host

    vailderprepaidvcarder.theworkpc.com

  • 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

      certified true.exe

    • Size

      818KB

    • MD5

      7673ff8e90adce44dbd6b0d1c355fd13

    • SHA1

      b66e9945d069b0c273318bf12aaab6052358bf87

    • SHA256

      cfee0fb48134e7fecf10d360e537299729b365a47e813c89aebbd167467cd35b

    • SHA512

      56d87b6452f1c05041885244dab46688dd155e0f990c47736e6524f0f0794cd7925755573e5dc8a7102c5396e7960450f79b9432271452b8c189e0acfc536810

    • SSDEEP

      12288:kCbgpteoqTcOQp9IMjsqSxE+anZZtOz9XxBqgGzJ2nY42yEml/:FgPvOR1brK29Xx7GF2JDB

    • NanoCore

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

    • Checks computer location settings

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

    • Adds Run key to start application

    • Checks whether UAC is enabled

    • Suspicious use of SetThreadContext

MITRE ATT&CK Matrix ATT&CK v6

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

Discovery

Query Registry

1
T1012

System Information Discovery

3
T1082

Tasks