General

  • Target

    NEWORDER736648833.scr.exe

  • Size

    1.2MB

  • Sample

    221011-lv22kshabm

  • MD5

    35e0c0fe9fbec6f870542d34703544a3

  • SHA1

    c11b28d1a26745b9eb19f84619d1362c64d05df8

  • SHA256

    b0c5a3e2456d9df495e299db88e2431ab0133ea2327d885f6234ecf8ba5805e9

  • SHA512

    e52163770da3030b034f700b7d46f4f2a7ba5db9b5b06244598b0d843fcc3ca9184a9cf134f2d4e711c74f037401cf8a5b4e90703cf705ca60ddbf86e9f70863

  • SSDEEP

    24576:0AOcZ2i7H0AknChev6tUM2y0waKKV8gyUcztVqEubl83o9ZkbgH:iG0Pnx5yvqV8gJWfqEUU2ZkE

Malware Config

Extracted

Family

nanocore

Version

1.2.2.0

C2

mrjeffy.duckdns.org:43147

Mutex

762143b0-4a71-4961-bdc0-dc92d1e3db2b

Attributes
  • activate_away_mode

    true

  • backup_connection_host

    mrjeffy.duckdns.org

  • backup_dns_server

    8.8.4.4

  • buffer_size

    65535

  • build_time

    2022-07-15T08:44:26.326041736Z

  • bypass_user_account_control

    true

  • bypass_user_account_control_data

  • clear_access_control

    true

  • clear_zone_identifier

    false

  • connect_delay

    4000

  • connection_port

    43147

  • default_group

    MY TIME HAS COME

  • 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

    762143b0-4a71-4961-bdc0-dc92d1e3db2b

  • mutex_timeout

    5000

  • prevent_system_sleep

    false

  • primary_connection_host

    mrjeffy.duckdns.org

  • 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

      NEWORDER736648833.scr.exe

    • Size

      1.2MB

    • MD5

      35e0c0fe9fbec6f870542d34703544a3

    • SHA1

      c11b28d1a26745b9eb19f84619d1362c64d05df8

    • SHA256

      b0c5a3e2456d9df495e299db88e2431ab0133ea2327d885f6234ecf8ba5805e9

    • SHA512

      e52163770da3030b034f700b7d46f4f2a7ba5db9b5b06244598b0d843fcc3ca9184a9cf134f2d4e711c74f037401cf8a5b4e90703cf705ca60ddbf86e9f70863

    • SSDEEP

      24576:0AOcZ2i7H0AknChev6tUM2y0waKKV8gyUcztVqEubl83o9ZkbgH:iG0Pnx5yvqV8gJWfqEUU2ZkE

    • NanoCore

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

    • Executes dropped EXE

    • Checks computer location settings

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

    • Loads dropped DLL

    • Adds Run key to start application

    • Checks whether UAC is enabled

    • 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

3
T1082

Tasks