Overview

overview

10

Static

static

1

LCrypt0rX.vbs

windows10-2004-x64

10

LCrypt0rX.vbs

windows11-21h2-x64

10

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General

  • Target

    LCrypt0rX.vbs

  • Size

    30KB

  • Sample

    250508-gmseysywgs

  • MD5

    ec14c16e786084d7b22645b22c1e2e2b

  • SHA1

    4d8d49cc6820f3924c4b055481c951e46e53f70a

  • SHA256

    34f4bcd039f22cb5e674f7d4c170a4e7b4f457c92213de1273ac40ae945fd422

  • SHA512

    0c6704407f6a6330e6fc5156bc83e275f74c9734ffc10e6b083f099c2af13c6f4d2cd2f821738ea3b304b380d7daa705899f8bf3a19969e95ac2ccea320c300e

  • SSDEEP

    384:tjfviu3p49gax5F9W4eHCP5SSbAhMgQ5WQ9euIudDy9IkuDjPdONK04MeOaz:Zni421bWQ9JDjCKX

Score
10/10
defense_evasiondiscoveryexecutionimpactpersistenceprivilege_escalationransomwaretrojan

Malware Config

Targets

    • Target

      LCrypt0rX.vbs

    • Size

      30KB

    • MD5

      ec14c16e786084d7b22645b22c1e2e2b

    • SHA1

      4d8d49cc6820f3924c4b055481c951e46e53f70a

    • SHA256

      34f4bcd039f22cb5e674f7d4c170a4e7b4f457c92213de1273ac40ae945fd422

    • SHA512

      0c6704407f6a6330e6fc5156bc83e275f74c9734ffc10e6b083f099c2af13c6f4d2cd2f821738ea3b304b380d7daa705899f8bf3a19969e95ac2ccea320c300e

    • SSDEEP

      384:tjfviu3p49gax5F9W4eHCP5SSbAhMgQ5WQ9euIudDy9IkuDjPdONK04MeOaz:Zni421bWQ9JDjCKX

    Score
    10/10
    defense_evasiondiscoveryexecutionimpactpersistenceprivilege_escalationransomwaretrojan

    • Modifies WinLogon for persistence

      persistence

    • UAC bypass

      defense_evasiontrojan

    • Deletes shadow copies

      Ransomware often targets backup files to inhibit system recovery.

      ransomwaredefense_evasionimpactexecution

    • Blocklisted process makes network request

    • Blocks application from running via registry modification

      Adds application to list of disallowed applications.

      defense_evasion

    • Deletes backup catalog

      Uses wbadmin.exe to inhibit system recovery.

      ransomware

    • Disables RegEdit via registry modification

      defense_evasion

    • Disables Task Manager via registry modification

      defense_evasion

    • Drops file in Drivers directory

    • Event Triggered Execution: Image File Execution Options Injection

      persistence

    • Modifies Windows Firewall

      defense_evasion

    • Checks computer location settings

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

    • Adds Run key to start application

      persistence

    • Checks whether UAC is enabled

      defense_evasiontrojan

    • Command and Scripting Interpreter: PowerShell

      Using powershell.exe command.

      execution

    • Indicator Removal: Clear Persistence

      remove IFEO.

      defense_evasion

    • Drops file in System32 directory

    behavioral1behavioral2

MITRE ATT&CK Enterprise v16

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

2
T1059

PowerShell

1
T1059.001

Windows Management Instrumentation

1
T1047

Persistence

Boot or Logon Autostart Execution

2
T1547

Registry Run Keys / Startup Folder

1
T1547.001

Winlogon Helper DLL

1
T1547.004

Create or Modify System Process

1
T1543

Windows Service

1
T1543.003

Event Triggered Execution

2
T1546

Image File Execution Options Injection

1
T1546.012

Netsh Helper DLL

1
T1546.007

Privilege Escalation

Abuse Elevation Control Mechanism

1
T1548

Bypass User Account Control

1
T1548.002

Boot or Logon Autostart Execution

2
T1547

Registry Run Keys / Startup Folder

1
T1547.001

Winlogon Helper DLL

1
T1547.004

Create or Modify System Process

1
T1543

Windows Service

1
T1543.003

Event Triggered Execution

2
T1546

Image File Execution Options Injection

1
T1546.012

Netsh Helper DLL

1
T1546.007

Defense Evasion

Abuse Elevation Control Mechanism

1
T1548

Bypass User Account Control

1
T1548.002

Direct Volume Access

1
T1006

Impair Defenses

2
T1562

Disable or Modify System Firewall

1
T1562.004

Disable or Modify Tools

1
T1562.001

Indicator Removal

4
T1070

Clear Persistence

1
T1070.009

File Deletion

3
T1070.004

Modify Registry

4
T1112

Credential Access

Discovery

Peripheral Device Discovery

1
T1120

Query Registry

3
T1012

Remote System Discovery

1
T1018

System Information Discovery

4
T1082

System Network Configuration Discovery

1
T1016

Internet Connection Discovery

1
T1016.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Inhibit System Recovery

3
T1490

Tasks

OSZAR »