Overview

overview

10

Static

static

3

WinLocker.exe

windows11-21h2-x64

10

Sharing

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General

  • Target

    WinLocker.exe

  • Size

    2.5MB

  • Sample

    241121-slbxcssrgw

  • MD5

    8db22c05021308aa1f21e00b7c754510

  • SHA1

    df1a966bcee343fcc47466a7987d439d3e7fbc6d

  • SHA256

    4f3dc347f531ef6a408c5f432952a458a0ba635644647e9a8de1982f5428dce2

  • SHA512

    53e3c137710ebcdfff7c8caf75235fdcf230dc980829978c31226b4a3e356b8717d9e94e5aa6e70855d89e734de9db892dee759f7201bda2c81a172e69bf6c9c

  • SSDEEP

    49152:7zf6V1jqp9ekTD4SxfHLqY+xKkmyLW5RhM0glT:7zyV0pJfOtIFIlT

Score
10/10
bootkitdiscoveryevasionpersistencetrojan

Malware Config

Targets

    • Target

      WinLocker.exe

    • Size

      2.5MB

    • MD5

      8db22c05021308aa1f21e00b7c754510

    • SHA1

      df1a966bcee343fcc47466a7987d439d3e7fbc6d

    • SHA256

      4f3dc347f531ef6a408c5f432952a458a0ba635644647e9a8de1982f5428dce2

    • SHA512

      53e3c137710ebcdfff7c8caf75235fdcf230dc980829978c31226b4a3e356b8717d9e94e5aa6e70855d89e734de9db892dee759f7201bda2c81a172e69bf6c9c

    • SSDEEP

      49152:7zf6V1jqp9ekTD4SxfHLqY+xKkmyLW5RhM0glT:7zyV0pJfOtIFIlT

    Score
    10/10
    bootkitdiscoveryevasionpersistencetrojan

    • UAC bypass

      evasiontrojan

    • Event Triggered Execution: Image File Execution Options Injection

      persistence

    • Adds Run key to start application

      persistence

    • Checks whether UAC is enabled

      evasiontrojan

    • Writes to the Master Boot Record (MBR)

      Bootkits write to the MBR to gain persistence at a level below the operating system.

      bootkitpersistence
    behavioral1

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

1
T1547

Registry Run Keys / Startup Folder

1
T1547.001

Event Triggered Execution

1
T1546

Image File Execution Options Injection

1
T1546.012

Pre-OS Boot

1
T1542

Bootkit

1
T1542.003

Privilege Escalation

Abuse Elevation Control Mechanism

1
T1548

Bypass User Account Control

1
T1548.002

Boot or Logon Autostart Execution

1
T1547

Registry Run Keys / Startup Folder

1
T1547.001

Event Triggered Execution

1
T1546

Image File Execution Options Injection

1
T1546.012

Defense Evasion

Abuse Elevation Control Mechanism

1
T1548

Bypass User Account Control

1
T1548.002

Impair Defenses

1
T1562

Disable or Modify Tools

1
T1562.001

Modify Registry

3
T1112

Pre-OS Boot

1
T1542

Bootkit

1
T1542.003

Credential Access

Discovery

System Information Discovery

2
T1082

System Location Discovery

1
T1614

System Language Discovery

1
T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Tasks