Overview

overview

10

Static

static

10

Servo.exe

windows7-x64

10

Servo.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    Servo.exe

  • Size

    553KB

  • Sample

    230324-b34v2abe22

  • MD5

    a5024adbf456fb728d2acb0def071460

  • SHA1

    acda2fa3da707a7a1e7ab1246393380972584c58

  • SHA256

    b0f0b4c3d5da49fced977a24b84dcb13b292a983c705c0b0f8fd4b1307c9ea47

  • SHA512

    4f7a28238ceb4a5e89c1de82f818161fbec81bac7752d6a595cc61592527a674fc07e4688822ee1b421548d5ec59adcd7b7f8dd51cab464cc028881bff3109ab

  • SSDEEP

    12288:CLV6BtpmkIeY+4F7Ko4YKDbzsr0s2apK+85GY+xVncgIHQE2:gApfC74D4J38+RVnKHM

Score
10/10
nanocoreevasionkeyloggerspywarestealertrojan

Malware Config

Extracted

Family

nanocore

Version

1.2.2.0

C2

klept0wiz-33913.portmap.host:33913

Mutex

c58382e2-9185-4945-98c8-2877a8ff415c

Attributes
  • activate_away_mode

    true

  • backup_connection_host

    klept0wiz-33913.portmap.host

  • backup_dns_server

  • buffer_size

    65535

  • build_time

    2023-01-02T21:13:50.509197736Z

  • bypass_user_account_control

    false

  • bypass_user_account_control_data

    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

  • clear_access_control

    false

  • clear_zone_identifier

    false

  • connect_delay

    4000

  • connection_port

    33913

  • default_group

    Testing

  • 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

    c58382e2-9185-4945-98c8-2877a8ff415c

  • mutex_timeout

    5000

  • prevent_system_sleep

    false

  • primary_connection_host

    klept0wiz-33913.portmap.host

  • 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

      Servo.exe

    • Size

      553KB

    • MD5

      a5024adbf456fb728d2acb0def071460

    • SHA1

      acda2fa3da707a7a1e7ab1246393380972584c58

    • SHA256

      b0f0b4c3d5da49fced977a24b84dcb13b292a983c705c0b0f8fd4b1307c9ea47

    • SHA512

      4f7a28238ceb4a5e89c1de82f818161fbec81bac7752d6a595cc61592527a674fc07e4688822ee1b421548d5ec59adcd7b7f8dd51cab464cc028881bff3109ab

    • SSDEEP

      12288:CLV6BtpmkIeY+4F7Ko4YKDbzsr0s2apK+85GY+xVncgIHQE2:gApfC74D4J38+RVnKHM

    Score
    10/10
    nanocoreevasionkeyloggerspywarestealertrojan
    behavioral1behavioral2

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Scheduled Task

1
T1053

Persistence

Scheduled Task

1
T1053

Privilege Escalation

Scheduled Task

1
T1053

Defense Evasion

Credential Access

Discovery

System Information Discovery

1
T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Tasks