General

  • Target

    Portail commercial.exe

  • Size

    2.4MB

  • Sample

    230216-ntewrshd37

  • MD5

    146bfd0243ed2d774ac9c6668e52c479

  • SHA1

    d716bd0f15dcf5da625f649ddb720d1d007243c4

  • SHA256

    1b1b465907d70a5be723778e15933b70e5ba1154f0f5e4c023194065c8baeb7f

  • SHA512

    2b8877de3a1bb025933b920ad032ee738cabf61643a6ca294ae54039d288477569600237eec21091458a0f393fcf42c8dc9fc23f004e9d552b5dcded9b3a9a96

  • SSDEEP

    49152:i5MGYDz/oX2xZmsty1XXT+N3mbCJdSl6YevAt6S6wQnMZSxYN6+tDq:iiGYDz/l7y1Xa5mqs6Y2pFeZH6gDq

Malware Config

Extracted

Family

nanocore

Version

1.2.2.0

C2

hamzzagolozar.loseyourip.com:14981

Mutex

f76e5199-b9b0-45ae-b449-2e38e6b112aa

Attributes
  • activate_away_mode

    true

  • backup_connection_host

  • backup_dns_server

    8.8.4.4

  • buffer_size

    65535

  • build_time

    2022-07-01T00:24:26.401438736Z

  • bypass_user_account_control

    true

  • bypass_user_account_control_data

  • clear_access_control

    true

  • clear_zone_identifier

    false

  • connect_delay

    4000

  • connection_port

    14981

  • default_group

    SEGUN

  • 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

    f76e5199-b9b0-45ae-b449-2e38e6b112aa

  • mutex_timeout

    5000

  • prevent_system_sleep

    false

  • primary_connection_host

    hamzzagolozar.loseyourip.com

  • 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

Extracted

Family

bitrat

Version

1.38

C2

bitratluckshinjisix130.freeddns.org:7011

Attributes
  • communication_password

    4688fcb37886b8fed122f9514ecbb5ea

  • tor_process

    tor

Targets

    • Target

      Portail commercial.exe

    • Size

      2.4MB

    • MD5

      146bfd0243ed2d774ac9c6668e52c479

    • SHA1

      d716bd0f15dcf5da625f649ddb720d1d007243c4

    • SHA256

      1b1b465907d70a5be723778e15933b70e5ba1154f0f5e4c023194065c8baeb7f

    • SHA512

      2b8877de3a1bb025933b920ad032ee738cabf61643a6ca294ae54039d288477569600237eec21091458a0f393fcf42c8dc9fc23f004e9d552b5dcded9b3a9a96

    • SSDEEP

      49152:i5MGYDz/oX2xZmsty1XXT+N3mbCJdSl6YevAt6S6wQnMZSxYN6+tDq:iiGYDz/l7y1Xa5mqs6Y2pFeZH6gDq

    • BitRAT

      BitRAT is a remote access tool written in C++ and uses leaked source code from other families.

    • 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.

    • Executes dropped EXE

    • Loads dropped DLL

    • UPX packed file

      Detects executables packed with UPX/modified UPX open source packer.

    • Adds Run key to start application

    • Checks whether UAC is enabled

    • Suspicious use of NtSetInformationThreadHideFromDebugger

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v6

Tasks