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Overview

overview

10

Static

static

7

WinLock.exe

windows7-x64

10

WinLock.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    WinLock.exe

  • Size

    487KB

  • Sample

    240824-1bwssa1ale

  • MD5

    9f97b58176f9f5139929bcc9b292d776

  • SHA1

    cc7409a6a026177a47804ea44aa9cc83007d0747

  • SHA256

    cb9c0ac56597de591fb227b399a9e96dbef6ae6269a35070d9fc1f9e16fb5358

  • SHA512

    ed2afb424ab8499b71f1ad1dc9ac2e8db040a9afd9664b0145c16ffc426ea461db8b885907ace2146348bedb776a3c4cfce4f0c0fdb980ee99a17cd7ed488e34

  • SSDEEP

    12288:+R/y00bzAlvpYq1orkEHck8IzDqY33k0ero5lr:+fMgsvqY3Croj

Score
10/10
discoveryevasionexecutionpersistencetrojanupx

Malware Config

Targets

    • Target

      WinLock.exe

    • Size

      487KB

    • MD5

      9f97b58176f9f5139929bcc9b292d776

    • SHA1

      cc7409a6a026177a47804ea44aa9cc83007d0747

    • SHA256

      cb9c0ac56597de591fb227b399a9e96dbef6ae6269a35070d9fc1f9e16fb5358

    • SHA512

      ed2afb424ab8499b71f1ad1dc9ac2e8db040a9afd9664b0145c16ffc426ea461db8b885907ace2146348bedb776a3c4cfce4f0c0fdb980ee99a17cd7ed488e34

    • SSDEEP

      12288:+R/y00bzAlvpYq1orkEHck8IzDqY33k0ero5lr:+fMgsvqY3Croj

    Score
    10/10
    discoveryevasionexecutionpersistencetrojanupx

    • UAC bypass

      evasiontrojan

    • Windows security bypass

      evasiontrojan

    • Command and Scripting Interpreter: PowerShell

      Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.

      execution

    • Event Triggered Execution: Image File Execution Options Injection

      persistence

    • Checks computer location settings

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

    • UPX packed file

      Detects executables packed with UPX/modified UPX open source packer.

      upx

    • Windows security modification

      evasiontrojan

    • Adds Run key to start application

      persistence

    • Checks whether UAC is enabled

      evasiontrojan
    behavioral1behavioral2

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

1
T1059

PowerShell

1
T1059.001

Scheduled Task/Job

1
T1053

Scheduled Task

1
T1053.005

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

Scheduled Task/Job

1
T1053

Scheduled Task

1
T1053.005

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

Scheduled Task/Job

1
T1053

Scheduled Task

1
T1053.005

Defense Evasion

Abuse Elevation Control Mechanism

1
T1548

Bypass User Account Control

1
T1548.002

Impair Defenses

3
T1562

Disable or Modify Tools

3
T1562.001

Modify Registry

5
T1112

Credential Access

Discovery

Query Registry

2
T1012

System Information Discovery

3
T1082

System Location Discovery

1
T1614

System Language Discovery

1
T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Tasks