Overview

overview

10

Static

static

cd5bcc1fa2...4e.exe

windows7-x64

10

cd5bcc1fa2...4e.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    cd5bcc1fa279d9ecc49060a291ca60b414ccf4decbe88633b22159238c17834e

  • Size

    871KB

  • Sample

    221128-sdsvxaca49

  • MD5

    f9a888a62c5c54338a8516428730d7f4

  • SHA1

    642da4c08c157d9baa6ad79d40ff2432d7e174d9

  • SHA256

    cd5bcc1fa279d9ecc49060a291ca60b414ccf4decbe88633b22159238c17834e

  • SHA512

    531305795fbb608c006dfa04cd5ad16861c3a359ab805be14cc305e5861c37eeeb3d77b9ea5650137f619636c66f7378785d7c1b91a43467d017c7fab2c15def

  • SSDEEP

    12288:6ulbNxAOzA4EVE/dvm4L/Nxb79U7T0hozJyyhcjs8jT:6ulxxH7GEFvmKFR7a7TrLw

Score
10/10
nanocoreevasionkeyloggerpersistencespywarestealertrojan

Malware Config

Extracted

Family

nanocore

Attributes
  • activate_away_mode

    false

  • backup_connection_host

  • backup_dns_server

  • buffer_size

    0

  • build_time

    0001-01-01T00:00:00Z

  • bypass_user_account_control

    false

  • bypass_user_account_control_data

  • clear_access_control

    false

  • clear_zone_identifier

    false

  • connect_delay

    0

  • connection_port

    0

  • default_group

  • enable_debug_mode

    false

  • gc_threshold

    0

  • keep_alive_timeout

    0

  • keyboard_logging

    false

  • lan_timeout

    0

  • max_packet_size

    0

  • mutex

  • mutex_timeout

    0

  • prevent_system_sleep

    false

  • primary_connection_host

  • primary_dns_server

  • request_elevation

    false

  • restart_delay

    0

  • run_delay

    0

  • run_on_startup

    false

  • set_critical_process

    false

  • timeout_interval

    0

  • use_custom_dns_server

    false

  • version

  • wan_timeout

    0

Targets

    • Target

      cd5bcc1fa279d9ecc49060a291ca60b414ccf4decbe88633b22159238c17834e

    • Size

      871KB

    • MD5

      f9a888a62c5c54338a8516428730d7f4

    • SHA1

      642da4c08c157d9baa6ad79d40ff2432d7e174d9

    • SHA256

      cd5bcc1fa279d9ecc49060a291ca60b414ccf4decbe88633b22159238c17834e

    • SHA512

      531305795fbb608c006dfa04cd5ad16861c3a359ab805be14cc305e5861c37eeeb3d77b9ea5650137f619636c66f7378785d7c1b91a43467d017c7fab2c15def

    • SSDEEP

      12288:6ulbNxAOzA4EVE/dvm4L/Nxb79U7T0hozJyyhcjs8jT:6ulxxH7GEFvmKFR7a7TrLw

    Score
    10/10
    nanocoreevasionkeyloggerpersistencespywarestealertrojan

    • 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