Overview

overview

10

Static

static

PO#4018-30...df.exe

windows7_x64

10

PO#4018-30...df.exe

windows10_x64

10

Sharing

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General

  • Target

    PO#4018-308875.pdf.exe

  • Size

    765KB

  • Sample

    210120-76ckk5f496

  • MD5

    d90049e2aff303588e499820e0d9078c

  • SHA1

    1153f298db7e6aeed9c3a55c907dfa474ae9155f

  • SHA256

    761e77be2bbf6089f04b1901c44548bd4ff5ac873a74b1ca0e0604bb902eff22

  • SHA512

    0ab4d1ccd24fa3174750b69f929c8dc34334f88941f1708e5edc2fdb7498636aa0c441bb9bb7e54a1ebb246500ddbfddbdbccfd4fe1ec7ee16c14229af1f9e89

Score
10/10
nanocoreevasionkeyloggerpersistenceransomwarespywarestealertrojan

Malware Config

Extracted

Family

nanocore

Version

1.2.2.0

C2

185.162.88.26:20911

fenixalec.ddns.net:20911
Mutex

4c844ad7-de78-4c04-815b-d468ebb89811

Attributes
  • activate_away_mode

    true

  • backup_connection_host

    fenixalec.ddns.net

  • backup_dns_server

    8.8.4.4

  • buffer_size

    65535

  • build_time

    2020-10-25T21:31:56.793896536Z

  • bypass_user_account_control

    true

  • bypass_user_account_control_data

  • clear_access_control

    true

  • clear_zone_identifier

    true

  • connect_delay

    4000

  • connection_port

    20911

  • default_group

    2021 GREATEST

  • 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

    4c844ad7-de78-4c04-815b-d468ebb89811

  • mutex_timeout

    5000

  • prevent_system_sleep

    true

  • primary_connection_host

    185.162.88.26

  • primary_dns_server

    8.8.8.8

  • 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

      PO#4018-308875.pdf.exe

    • Size

      765KB

    • MD5

      d90049e2aff303588e499820e0d9078c

    • SHA1

      1153f298db7e6aeed9c3a55c907dfa474ae9155f

    • SHA256

      761e77be2bbf6089f04b1901c44548bd4ff5ac873a74b1ca0e0604bb902eff22

    • SHA512

      0ab4d1ccd24fa3174750b69f929c8dc34334f88941f1708e5edc2fdb7498636aa0c441bb9bb7e54a1ebb246500ddbfddbdbccfd4fe1ec7ee16c14229af1f9e89

    Score
    10/10
    nanocoreevasionkeyloggerpersistenceransomwarespywarestealertrojan

    • NanoCore

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

      keyloggertrojanstealerspywarenanocore

    • Executes dropped EXE

    • Loads dropped DLL

    • Adds Run key to start application

      persistence

    • Checks whether UAC is enabled

      evasiontrojan

    • Enumerates physical storage devices

      Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

      ransomware

    • Suspicious use of SetThreadContext

    behavioral1behavioral2

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

1
T1060

Privilege Escalation

Defense Evasion

Modify Registry

1
T1112

Credential Access

Discovery

System Information Discovery

2
T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Tasks