General

  • Target

    1bbab54c70efe5ef9438a1482ba2d9b1_JaffaCakes118

  • Size

    852KB

  • Sample

    240506-kwyvwaaa87

  • MD5

    1bbab54c70efe5ef9438a1482ba2d9b1

  • SHA1

    5fff0bd6c3cf5a1143cac498de18b036be8c1a24

  • SHA256

    c4166f3f398f28621eb722ba42651504c89ab29a8daaa7867d42959510a17157

  • SHA512

    2f4df87d07ac45a867d34114ce8ad63a0d71e9a49c7b64f53499c0fbfe635efd75a1cdb84f13997338bc1a9eede2c7119af09195ad2aa73d59ece94c3d18b7a3

  • SSDEEP

    24576:WroERi1U7WG5tgtNy2iuTCQN3pLP7rXTouQkzeC+4EFq:WcjUCGrgtNHTh1zpQ1OSq

Malware Config

Extracted

Family

nanocore

Version

1.2.2.0

C2

tats2lou.ddns.net:56098

91.192.100.55:56098

Mutex

617021b9-e22d-4cf7-ace8-dfe1dd6a12ba

Attributes
  • activate_away_mode

    false

  • backup_connection_host

    91.192.100.55

  • backup_dns_server

  • buffer_size

    65538

  • build_time

    2019-01-11T14:07:24.133867036Z

  • bypass_user_account_control

    false

  • bypass_user_account_control_data

    PD94bWwgdmVyc2lvbj0iMS4wIiBlbmNvZGluZz0iVVRGLTE2Ij8+DQo8VGFzayB2ZXJzaW9uPSIxLjIiIHhtbG5zPSJodHRwOi8vc2NoZW1hcy5taWNyb3NvZnQuY29tL3dpbmRvd3MvMjAwNC8wMi9taXQvdGFzayI+DQogIDxSZWdpc3RyYXRpb25JbmZvIC8+DQogIDxUcmlnZ2VycyAvPg0KICA8UHJpbmNpcGFscz4NCiAgICA8UHJpbmNpcGFsIGlkPSJBdXRob3IiPg0KICAgICAgPExvZ29uVHlwZT5JbnRlcmFjdGl2ZVRva2VuPC9Mb2dvblR5cGU+DQogICAgICA8UnVuTGV2ZWw+SGlnaGVzdEF2YWlsYWJsZTwvUnVuTGV2ZWw+DQogICAgPC9QcmluY2lwYWw+DQogIDwvUHJpbmNpcGFscz4NCiAgPFNldHRpbmdzPg0KICAgIDxNdWx0aXBsZUluc3RhbmNlc1BvbGljeT5QYXJhbGxlbDwvTXVsdGlwbGVJbnN0YW5jZXNQb2xpY3k+DQogICAgPERpc2FsbG93U3RhcnRJZk9uQmF0dGVyaWVzPmZhbHNlPC9EaXNhbGxvd1N0YXJ0SWZPbkJhdHRlcmllcz4NCiAgICA8U3RvcElmR29pbmdPbkJhdHRlcmllcz5mYWxzZTwvU3RvcElmR29pbmdPbkJhdHRlcmllcz4NCiAgICA8QWxsb3dIYXJkVGVybWluYXRlPnRydWU8L0FsbG93SGFyZFRlcm1pbmF0ZT4NCiAgICA8U3RhcnRXaGVuQXZhaWxhYmxlPmZhbHNlPC9TdGFydFdoZW5BdmFpbGFibGU+DQogICAgPFJ1bk9ubHlJZk5ldHdvcmtBdmFpbGFibGU+ZmFsc2U8L1J1bk9ubHlJZk5ldHdvcmtBdmFpbGFibGU+DQogICAgPElkbGVTZXR0aW5ncz4NCiAgICAgIDxTdG9wT25JZGxlRW5kPmZhbHNlPC9TdG9wT25JZGxlRW5kPg0KICAgICAgPFJlc3RhcnRPbklkbGU+ZmFsc2U8L1Jlc3RhcnRPbklkbGU+DQogICAgPC9JZGxlU2V0dGluZ3M+DQogICAgPEFsbG93U3RhcnRPbkRlbWFuZD50cnVlPC9BbGxvd1N0YXJ0T25EZW1hbmQ+DQogICAgPEVuYWJsZWQ+dHJ1ZTwvRW5hYmxlZD4NCiAgICA8SGlkZGVuPmZhbHNlPC9IaWRkZW4+DQogICAgPFJ1bk9ubHlJZklkbGU+ZmFsc2U8L1J1bk9ubHlJZklkbGU+DQogICAgPFdha2VUb1J1bj5mYWxzZTwvV2FrZVRvUnVuPg0KICAgIDxFeGVjdXRpb25UaW1lTGltaXQ+UFQwUzwvRXhlY3V0aW9uVGltZUxpbWl0Pg0KICAgIDxQcmlvcml0eT40PC9Qcmlvcml0eT4NCiAgPC9TZXR0aW5ncz4NCiAgPEFjdGlvbnMgQ29udGV4dD0iQXV0aG9yIj4NCiAgICA8RXhlYz4NCiAgICAgIDxDb21tYW5kPiIjRVhFQ1VUQUJMRVBBVEgiPC9Db21tYW5kPg0KICAgICAgPEFyZ3VtZW50cz4kKEFyZzApPC9Bcmd1bWVudHM+DQogICAgPC9FeGVjPg0KICA8L0FjdGlvbnM+DQo8L1Rhc2s+

  • clear_access_control

    false

  • clear_zone_identifier

    false

  • connect_delay

    4000

  • connection_port

    56098

  • default_group

    GLK2019

  • enable_debug_mode

    true

  • gc_threshold

    1.0485772e+07

  • keep_alive_timeout

    30000

  • keyboard_logging

    false

  • lan_timeout

    2500

  • max_packet_size

    1.0485772e+07

  • mutex

    617021b9-e22d-4cf7-ace8-dfe1dd6a12ba

  • mutex_timeout

    5000

  • prevent_system_sleep

    false

  • primary_connection_host

    tats2lou.ddns.net

  • primary_dns_server

  • request_elevation

    true

  • restart_delay

    5000

  • 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

    8009

Targets

    • Target

      Document.scr

    • Size

      917KB

    • MD5

      25f74fb91d4b71a459db538c562edb3a

    • SHA1

      011fb3c097e64dfba0e585c87fa2fbd251acc2f7

    • SHA256

      70f29f3bb4ae5fa06042ea2f8c6f08567b61132dc44afb73ff69784e7ad46c14

    • SHA512

      9e05b7b0f192f118aefd008dff8b287ab195bad6376484a15ba22ca83f5137a88bf658f16f7e4ef6dc9974eac029780ba3d1abc9d266dea7993e347fd5ee3d2a

    • SSDEEP

      24576:f2O/GlsKOP/6jpOKq3A+4fQeLeHawmxhKbH3rUO46Gro0H:bP/6m3YfpGawmxUT3iky

    • 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

    • Adds Run key to start application

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v15

Tasks