General

  • Target

    742ce52cd8a692158fc20d0df48b688449c432f31a0d1854eda3f83d1324f76d

  • Size

    1.1MB

  • Sample

    221126-3nar7add32

  • MD5

    75342cdd702056910a3fce3b434cf1b1

  • SHA1

    02728d0ad5e5c1f34ee3bd77bb7af144f83438f9

  • SHA256

    742ce52cd8a692158fc20d0df48b688449c432f31a0d1854eda3f83d1324f76d

  • SHA512

    dd6dc0a07f0ffbbf0793c3e97d86de80720e6dca0216441b3ab46014975e186b975887a8cde3530b7a43fcbc078788ebe8df5fd065c0ac5779b98febaf7409ec

  • SSDEEP

    24576:Ktb20pkaCqT5TBWgNQ7aulZsRTXRDL6nY935ZSS6A:3Vg5tQ7aulZsRTXRD/55

Malware Config

Extracted

Family

nanocore

Version

1.2.2.0

C2

moftsvs.ig42.org:9045

212.7.192.242:9045

Mutex

c7bf44a3-7212-4d60-9ee3-f0991c8392f8

Attributes
  • activate_away_mode

    false

  • backup_connection_host

    212.7.192.242

  • backup_dns_server

    8.8.4.4

  • buffer_size

    65535

  • build_time

    2015-03-06T14:55:41.478810836Z

  • bypass_user_account_control

    true

  • bypass_user_account_control_data

  • clear_access_control

    false

  • clear_zone_identifier

    false

  • connect_delay

    4000

  • connection_port

    9045

  • default_group

    Default Team

  • 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

    c7bf44a3-7212-4d60-9ee3-f0991c8392f8

  • mutex_timeout

    5000

  • prevent_system_sleep

    false

  • primary_connection_host

    moftsvs.ig42.org

  • primary_dns_server

    8.8.8.8

  • request_elevation

    false

  • 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

      742ce52cd8a692158fc20d0df48b688449c432f31a0d1854eda3f83d1324f76d

    • Size

      1.1MB

    • MD5

      75342cdd702056910a3fce3b434cf1b1

    • SHA1

      02728d0ad5e5c1f34ee3bd77bb7af144f83438f9

    • SHA256

      742ce52cd8a692158fc20d0df48b688449c432f31a0d1854eda3f83d1324f76d

    • SHA512

      dd6dc0a07f0ffbbf0793c3e97d86de80720e6dca0216441b3ab46014975e186b975887a8cde3530b7a43fcbc078788ebe8df5fd065c0ac5779b98febaf7409ec

    • SSDEEP

      24576:Ktb20pkaCqT5TBWgNQ7aulZsRTXRDL6nY935ZSS6A:3Vg5tQ7aulZsRTXRD/55

    • 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

    • Detected potential entity reuse from brand microsoft.

    • Suspicious use of SetThreadContext

MITRE ATT&CK Matrix ATT&CK v6

Persistence

Registry Run Keys / Startup Folder

1
T1060

Defense Evasion

Modify Registry

2
T1112

Discovery

Query Registry

2
T1012

System Information Discovery

3
T1082

Tasks