General

  • Target

    2022-09-15-Nanocore-RAT-malspam-0322-UTC.eml

  • Size

    1.5MB

  • Sample

    220915-qbvwdaghcm

  • MD5

    84adadbf0159dec547d6a515a02d289d

  • SHA1

    863e7baa09baf00640867e1fb1569719df24a7c9

  • SHA256

    4b356d9d1b5cc79962509bd769b91d0bf6b554564e8239e3f33a8d8766c4d87c

  • SHA512

    b073dec6476e3bbf00bb29b503be2c1355bf7f5a5b4e331fc193fe53e80cf6e20cf3d10cea600e16156f1540f151c118208e5c06e499323139a502e460c56047

  • SSDEEP

    24576:a/AuiTZXBYAs96QpijzKrJn9KnDUo2+dZRMr8M4ym4t/uEy:gMBiLpP6bRnM45

Malware Config

Extracted

Family

nanocore

Version

1.2.2.0

C2

dera5nano.ddns.net:1010

107.182.129.248:1010

Mutex

5a26bcef-e67f-486a-8e48-1748cc7891a2

Attributes
  • activate_away_mode

    true

  • backup_connection_host

    107.182.129.248

  • backup_dns_server

    8.8.4.4

  • buffer_size

    65535

  • build_time

    2022-06-06T12:07:01.612898436Z

  • bypass_user_account_control

    false

  • bypass_user_account_control_data

    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

  • clear_access_control

    true

  • clear_zone_identifier

    false

  • connect_delay

    4000

  • connection_port

    1010

  • default_group

    Default

  • 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

    5a26bcef-e67f-486a-8e48-1748cc7891a2

  • mutex_timeout

    5000

  • prevent_system_sleep

    false

  • primary_connection_host

    dera5nano.ddns.net

  • 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

      Heat Exchanger Presentation.pdf

    • Size

      350KB

    • MD5

      0bddf31551cb915feaed7aef5ccf7ff0

    • SHA1

      47f6798c89adeccc3573fde7e59edd0405748d3d

    • SHA256

      6390be345fe2ff9b30d7733a3436df4cc91ce666d6cc53b693c5c47096c3ee84

    • SHA512

      3338eee3a338b5a09f1d7e915e9ef4ddcb22c171063f7553f90541ccb05b70dc5cc931bc13e19332f9e3ec0522c411eb9ecf1e9dd288e6249f03a95e9d2fbf0d

    • SSDEEP

      6144:3JNZLgI27s5b5jvPqwP7LuWemzw2nY84NvxdHi1NygI5si0xKWiT+Zq9gV:5NZEI2YvPqwPGcMMY845Sfi0x5iTEq9g

    Score
    1/10
    • Target

      Machinary Presentation.exe

    • Size

      910KB

    • MD5

      efd47ec7f797f124bf10402bdb4f4345

    • SHA1

      fd8001d24f58cb528fcac4c360f207d5c8995150

    • SHA256

      1b8211b6c45db62e042398a3d94c429941a3f91b26736cd4fdcb712b70d2c194

    • SHA512

      94c5313ef50690aeafbe396ecedd24f0a66523f244084a6d3f2a329915f9cab4d91e7316554d8f76ef7e4f4356f634b3dc5eb0dc081389fe3cf6cd322e86cb8a

    • SSDEEP

      12288:5FGnOhY8lylSx1TADqjJ5n8sKdirYJzwCk93ginKqPrW/DPvtDJ9fEP2xq+ello/:/GnOTrjr8D/zwCUZnKqPrW/Df9M+Ea

    • 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.

    • Adds Run key to start application

    • Checks whether UAC is enabled

    • Suspicious use of SetThreadContext

MITRE ATT&CK Matrix ATT&CK v6

Execution

Scheduled Task

1
T1053

Persistence

Registry Run Keys / Startup Folder

1
T1060

Scheduled Task

1
T1053

Privilege Escalation

Scheduled Task

1
T1053

Defense Evasion

Modify Registry

2
T1112

Discovery

Query Registry

2
T1012

System Information Discovery

4
T1082

Tasks