General

  • Target

    dacha.exe

  • Size

    1.1MB

  • Sample

    210106-f5j3jsay2j

  • MD5

    d2896168ec4b24ac39096155a9c1702c

  • SHA1

    efc5425e2fc77c670610b84d32ad056669f65434

  • SHA256

    56ff58052d6128cceffa80774b6e54aec5064f631cdac6d5b589680ac4f8e11d

  • SHA512

    9fdf575cc04d6c1e843f4b01b299c1f72951c49255ff217cd6ead424171cc9768be13d875c441762447a2a31fbbe374eb4ea64cd4ebf5d6bdb6aacadb30bb7e2

Malware Config

Extracted

Family

nanocore

Version

1.2.2.0

C2

maniac.http80.info:54984

Mutex

b2c3cf01-4e33-40a5-aff4-7c4a10b125c0

Attributes
  • activate_away_mode

    true

  • backup_connection_host

    maniac.http80.info

  • backup_dns_server

    8.8.4.4

  • buffer_size

    65535

  • build_time

    2017-04-28T09:58:36.317020336Z

  • bypass_user_account_control

    true

  • bypass_user_account_control_data

  • clear_access_control

    true

  • clear_zone_identifier

    true

  • connect_delay

    4000

  • connection_port

    54984

  • default_group

    OKEB

  • 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

    b2c3cf01-4e33-40a5-aff4-7c4a10b125c0

  • mutex_timeout

    5000

  • prevent_system_sleep

    true

  • primary_connection_host

    maniac.http80.info

  • primary_dns_server

    8.8.8.8

  • request_elevation

    true

  • 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

      dacha.exe

    • Size

      1.1MB

    • MD5

      d2896168ec4b24ac39096155a9c1702c

    • SHA1

      efc5425e2fc77c670610b84d32ad056669f65434

    • SHA256

      56ff58052d6128cceffa80774b6e54aec5064f631cdac6d5b589680ac4f8e11d

    • SHA512

      9fdf575cc04d6c1e843f4b01b299c1f72951c49255ff217cd6ead424171cc9768be13d875c441762447a2a31fbbe374eb4ea64cd4ebf5d6bdb6aacadb30bb7e2

    • NanoCore

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

    • Executes dropped EXE

    • UPX packed file

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

    • Deletes itself

    • Drops startup file

    • 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

System Information Discovery

1
T1082

Tasks