Overview

overview

10

Static

static

f1b994f93c...f3.exe

windows7-x64

10

f1b994f93c...f3.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    f1b994f93c8867633ba81a83ed1936cd0ed2a9843395858853a84ac55f06b0f3

  • Size

    1.4MB

  • Sample

    221128-skx37sce85

  • MD5

    12b07070fba39278fc68fe477300f7ea

  • SHA1

    5926bdd2e3ad13e1f14372e17268652f3cd0b301

  • SHA256

    f1b994f93c8867633ba81a83ed1936cd0ed2a9843395858853a84ac55f06b0f3

  • SHA512

    2a901218bf7ef4f92866859df55f667ee81e059819a0e81131f1d003a20a4d73b7dafc5dcd299c3480e7d080fd04995fa78e2dd9ac1bd61230f163ad4cf8b4f8

  • SSDEEP

    12288:HD+UoyWevH5fVoIvUIiZIBTbnMoosJ0PE2F9n2RED1HWVLnLBp:HKUoGf5fVlDR1jMLDx2SR2VL1p

Score
10/10
nanocoreevasionkeyloggerpersistencespywarestealertrojan

Malware Config

Extracted

Family

nanocore

Version

1.2.2.0

C2

cheapshoes.ddns.net:5777

Mutex

6e19e92d-ffc6-44e3-b837-a6da2e2d37f0

Attributes
  • activate_away_mode

    true

  • backup_connection_host

  • backup_dns_server

    8.8.4.4

  • buffer_size

    65535

  • build_time

    2014-12-10T20:17:34.898812336Z

  • bypass_user_account_control

    true

  • bypass_user_account_control_data

  • clear_access_control

    true

  • clear_zone_identifier

    true

  • connect_delay

    4000

  • connection_port

    5777

  • 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

    6e19e92d-ffc6-44e3-b837-a6da2e2d37f0

  • mutex_timeout

    5000

  • prevent_system_sleep

    true

  • primary_connection_host

    cheapshoes.ddns.net

  • 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

      f1b994f93c8867633ba81a83ed1936cd0ed2a9843395858853a84ac55f06b0f3

    • Size

      1.4MB

    • MD5

      12b07070fba39278fc68fe477300f7ea

    • SHA1

      5926bdd2e3ad13e1f14372e17268652f3cd0b301

    • SHA256

      f1b994f93c8867633ba81a83ed1936cd0ed2a9843395858853a84ac55f06b0f3

    • SHA512

      2a901218bf7ef4f92866859df55f667ee81e059819a0e81131f1d003a20a4d73b7dafc5dcd299c3480e7d080fd04995fa78e2dd9ac1bd61230f163ad4cf8b4f8

    • SSDEEP

      12288:HD+UoyWevH5fVoIvUIiZIBTbnMoosJ0PE2F9n2RED1HWVLnLBp:HKUoGf5fVlDR1jMLDx2SR2VL1p

    Score
    10/10
    persistencenanocoreevasionkeyloggerspywarestealertrojan

    • Modifies WinLogon for persistence

      persistence

    • NanoCore

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

      keyloggertrojanstealerspywarenanocore

    • Executes dropped EXE

    • Checks computer location settings

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

    • Loads dropped DLL

    • Checks whether UAC is enabled

      evasiontrojan

    • Drops desktop.ini file(s)

    • Suspicious use of SetThreadContext

    behavioral1behavioral2

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Winlogon Helper DLL

1
T1004

Privilege Escalation

Defense Evasion

Modify Registry

1
T1112

Credential Access

Discovery

Query Registry

1
T1012

System Information Discovery

3
T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Tasks