Resubmissions

05-08-2024 18:52

240805-xjempavemr 10

05-08-2024 18:51

240805-xhhyqayejf 10

General

  • Target

    waveTool.exe

  • Size

    544KB

  • Sample

    240805-xhhyqayejf

  • MD5

    a1d84d4f688025921352cd3d9f100461

  • SHA1

    6d905fa87c926af0ba5ded4b6585417449fc5b1a

  • SHA256

    5e7118d4d85c86fe2f3b98541694f1fcecb4cfc3c5de57ba2e9fffed7335a41f

  • SHA512

    2a492172d3db0669eff0ac8c1f358638c38578c72d1311e3a80d3614d969728187c62643e0b53956f8cd86adf2d2383d91e74d51234f5c2f5cbde32a80a77ee6

  • SSDEEP

    12288:2QnZ4kCDyG3HvxPUHLoSOaKjCObx3DXHcvPX1KeE9YJ:9nZ4kCTPxhDEOFzHc3X0eZ

Malware Config

Extracted

Family

nanocore

Version

1.2.2.0

C2

127.0.0.1:54984

Mutex

c2061050-265f-4002-913c-ea1f49d7f810

Attributes
  • activate_away_mode

    false

  • backup_connection_host

    127.0.0.1

  • backup_dns_server

    8.8.4.4

  • buffer_size

    65535

  • build_time

    2024-05-17T20:07:09.307958536Z

  • bypass_user_account_control

    false

  • bypass_user_account_control_data

    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

  • clear_access_control

    false

  • clear_zone_identifier

    false

  • connect_delay

    3814

  • connection_port

    54984

  • default_group

    Default

  • enable_debug_mode

    false

  • gc_threshold

    1.048576e+07

  • keep_alive_timeout

    29991

  • keyboard_logging

    false

  • lan_timeout

    2500

  • max_packet_size

    1.048576e+07

  • mutex

    c2061050-265f-4002-913c-ea1f49d7f810

  • mutex_timeout

    5000

  • prevent_system_sleep

    false

  • primary_connection_host

    127.0.0.1

  • primary_dns_server

    8.8.8.8

  • request_elevation

    false

  • restart_delay

    4997

  • run_delay

    0

  • run_on_startup

    false

  • set_critical_process

    false

  • timeout_interval

    5000

  • use_custom_dns_server

    false

  • version

    1.2.2.0

  • wan_timeout

    8000

Targets

    • Target

      waveTool.exe

    • Size

      544KB

    • MD5

      a1d84d4f688025921352cd3d9f100461

    • SHA1

      6d905fa87c926af0ba5ded4b6585417449fc5b1a

    • SHA256

      5e7118d4d85c86fe2f3b98541694f1fcecb4cfc3c5de57ba2e9fffed7335a41f

    • SHA512

      2a492172d3db0669eff0ac8c1f358638c38578c72d1311e3a80d3614d969728187c62643e0b53956f8cd86adf2d2383d91e74d51234f5c2f5cbde32a80a77ee6

    • SSDEEP

      12288:2QnZ4kCDyG3HvxPUHLoSOaKjCObx3DXHcvPX1KeE9YJ:9nZ4kCTPxhDEOFzHc3X0eZ

    • 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.

    • Suspicious use of SetThreadContext

MITRE ATT&CK Matrix ATT&CK v13

Defense Evasion

Modify Registry

1
T1112

Discovery

Query Registry

1
T1012

System Information Discovery

1
T1082

System Location Discovery

1
T1614

System Language Discovery

1
T1614.001

Tasks