General

  • Target

    7eccfb2ac45a99a369790670d0e81ccc19281b86cfaf8036b951870ebee22291

  • Size

    851KB

  • Sample

    221130-xltvdsfb94

  • MD5

    b21939c8f60b333a602450ce9ed8e5c8

  • SHA1

    999bfff04341d174c02978a42d572e96909192bc

  • SHA256

    7eccfb2ac45a99a369790670d0e81ccc19281b86cfaf8036b951870ebee22291

  • SHA512

    6bf7c99ad2aa4e83afbe5af99cdcccccb1bf00759b25c8c88ab5bccb074fddb4f205d35b6c9189fa5008ef27bad2984a6a20e2da4a7b032d72766b77d2cc4235

  • SSDEEP

    12288:kgrZqWiXsPnmx0Ap1OynaWM1ITRtEbmOkdbIIRkxJ5g7v:kgrwWiXEVAp1OydMUtEbbQEI65k

Malware Config

Extracted

Family

nanocore

Version

1.2.2.0

C2

45.137.22.36:4837

vps.rootlayer.net:4837

Mutex

a34ff911-f69f-4250-a136-9f7dda1ff095

Attributes
  • activate_away_mode

    true

  • backup_connection_host

    vps.rootlayer.net

  • backup_dns_server

    8.8.4.4

  • buffer_size

    65535

  • build_time

    2020-11-26T04:44:00.669256236Z

  • bypass_user_account_control

    true

  • bypass_user_account_control_data

  • clear_access_control

    true

  • clear_zone_identifier

    false

  • connect_delay

    4000

  • connection_port

    4837

  • default_group

    root1

  • enable_debug_mode

    true

  • gc_threshold

    1.048576e+07

  • keep_alive_timeout

    30000

  • keyboard_logging

    true

  • lan_timeout

    2500

  • max_packet_size

    1.048576e+07

  • mutex

    a34ff911-f69f-4250-a136-9f7dda1ff095

  • mutex_timeout

    5000

  • prevent_system_sleep

    false

  • primary_connection_host

    45.137.22.36

  • 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

      7eccfb2ac45a99a369790670d0e81ccc19281b86cfaf8036b951870ebee22291

    • Size

      851KB

    • MD5

      b21939c8f60b333a602450ce9ed8e5c8

    • SHA1

      999bfff04341d174c02978a42d572e96909192bc

    • SHA256

      7eccfb2ac45a99a369790670d0e81ccc19281b86cfaf8036b951870ebee22291

    • SHA512

      6bf7c99ad2aa4e83afbe5af99cdcccccb1bf00759b25c8c88ab5bccb074fddb4f205d35b6c9189fa5008ef27bad2984a6a20e2da4a7b032d72766b77d2cc4235

    • SSDEEP

      12288:kgrZqWiXsPnmx0Ap1OynaWM1ITRtEbmOkdbIIRkxJ5g7v:kgrwWiXEVAp1OydMUtEbbQEI65k

    • 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.

    • Checks whether UAC is enabled

    • Suspicious use of SetThreadContext

MITRE ATT&CK Matrix ATT&CK v6

Execution

Scheduled Task

1
T1053

Persistence

Scheduled Task

1
T1053

Privilege Escalation

Scheduled Task

1
T1053

Discovery

Query Registry

1
T1012

System Information Discovery

3
T1082

Tasks