Overview

overview

10

Static

static

3

12a39d099a...JC.exe

windows7-x64

10

12a39d099a...JC.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    12a39d099a6744863a5349b84e91fc582e4956a5060d61597de43cdcbba8df7e_JC.exe

  • Size

    572KB

  • Sample

    231011-rgc37aea96

  • MD5

    2916c6e4cefea97681e5f7d39afe1baa

  • SHA1

    8d5204e5661d704522b6f18864bd6c1b8299eba7

  • SHA256

    12a39d099a6744863a5349b84e91fc582e4956a5060d61597de43cdcbba8df7e

  • SHA512

    a9374834b014acd1db897bf65af12186a68e5bc3c52d8232a8b5a1354ed854cf0c4049101b3a1419e7f89f34dad6ef6b0189fbfc8afd829ef9f0da601f2365c3

  • SSDEEP

    12288:c725kpw/OOjPmp68Nd92Gklr0fSuqjarukE96fGJK/koUY:PSpwRmp5NdHklZdd6u

Score
10/10
nanocoreevasionkeyloggerspywarestealertrojan

Malware Config

Extracted

Family

nanocore

Version

1.2.2.0

C2

103.212.81.155:47216

Blissdonworkforceworkchop.ddns.net:47216
Mutex

a2d56896-25ac-4f8f-84c1-19da88623f34

Attributes
  • activate_away_mode

    true

  • backup_connection_host

    Blissdonworkforceworkchop.ddns.net

  • backup_dns_server

  • buffer_size

    65535

  • build_time

    2023-07-07T03:32:12.523334636Z

  • 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

    47216

  • default_group

    WORKCHOPFORCE

  • 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

    a2d56896-25ac-4f8f-84c1-19da88623f34

  • mutex_timeout

    5000

  • prevent_system_sleep

    false

  • primary_connection_host

    103.212.81.155

  • primary_dns_server

  • 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

Targets

    • Target

      12a39d099a6744863a5349b84e91fc582e4956a5060d61597de43cdcbba8df7e_JC.exe

    • Size

      572KB

    • MD5

      2916c6e4cefea97681e5f7d39afe1baa

    • SHA1

      8d5204e5661d704522b6f18864bd6c1b8299eba7

    • SHA256

      12a39d099a6744863a5349b84e91fc582e4956a5060d61597de43cdcbba8df7e

    • SHA512

      a9374834b014acd1db897bf65af12186a68e5bc3c52d8232a8b5a1354ed854cf0c4049101b3a1419e7f89f34dad6ef6b0189fbfc8afd829ef9f0da601f2365c3

    • SSDEEP

      12288:c725kpw/OOjPmp68Nd92Gklr0fSuqjarukE96fGJK/koUY:PSpwRmp5NdHklZdd6u

    Score
    10/10
    nanocoreevasionkeyloggerspywarestealertrojan

    • NanoCore

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

      keyloggertrojanstealerspywarenanocore

    • Checks computer location settings

      Looks up country code configured in the registry, likely geofence.

    • Checks whether UAC is enabled

      evasiontrojan

    • Suspicious use of SetThreadContext

    behavioral1behavioral2

MITRE ATT&CK Enterprise v15

Tasks