Resubmissions

10-09-2022 07:46

220910-jlylpadeak 10

General

  • Target

    PURCHASE ORDER #07092022.exe

  • Size

    269KB

  • Sample

    220910-jlylpadeak

  • MD5

    3d7909a4c69d7965f3ce0d9c9afb47e0

  • SHA1

    a4ef26b0768ea38c307d334269beebe4bfcd8026

  • SHA256

    1feec92d18902bbc841954145ee920e2dff92ed61759b17e451d8e59b95336ef

  • SHA512

    103e810968679629c373983834d440d8d4b1804b65cc5ece99e1e5bf8005ea56db1d2f369ba56ef3efe675b14cb1675d85b6955bf8f27b3a5be8b5ab17572a37

  • SSDEEP

    6144:YZyB96qbOLUTnHfJBng++++4+++++++0++++++++YmZL+:0vUOL+nzg++++4+++++++0+++++++

Malware Config

Extracted

Family

nanocore

Version

1.2.2.0

C2

79.110.62.158:4089

127.0.0.1:4089

Mutex

9afffa13-03db-4357-8000-31753020feef

Attributes
  • activate_away_mode

    true

  • backup_connection_host

    127.0.0.1

  • backup_dns_server

    8.8.4.4

  • buffer_size

    65535

  • build_time

    2022-06-21T14:39:46.685878836Z

  • bypass_user_account_control

    true

  • bypass_user_account_control_data

  • clear_access_control

    true

  • clear_zone_identifier

    false

  • connect_delay

    4000

  • connection_port

    4089

  • 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

    9afffa13-03db-4357-8000-31753020feef

  • mutex_timeout

    5033

  • prevent_system_sleep

    false

  • primary_connection_host

    79.110.62.158

  • 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

      PURCHASE ORDER #07092022.exe

    • Size

      269KB

    • MD5

      3d7909a4c69d7965f3ce0d9c9afb47e0

    • SHA1

      a4ef26b0768ea38c307d334269beebe4bfcd8026

    • SHA256

      1feec92d18902bbc841954145ee920e2dff92ed61759b17e451d8e59b95336ef

    • SHA512

      103e810968679629c373983834d440d8d4b1804b65cc5ece99e1e5bf8005ea56db1d2f369ba56ef3efe675b14cb1675d85b6955bf8f27b3a5be8b5ab17572a37

    • SSDEEP

      6144:YZyB96qbOLUTnHfJBng++++4+++++++0++++++++YmZL+:0vUOL+nzg++++4+++++++0+++++++

    • 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

    • Suspicious use of SetThreadContext

MITRE ATT&CK Matrix ATT&CK v6

Persistence

Registry Run Keys / Startup Folder

1
T1060

Defense Evasion

Modify Registry

1
T1112

Discovery

Query Registry

1
T1012

System Information Discovery

2
T1082

Tasks