Overview

overview

10

Static

static

1

limclean.bat

windows10-2004-x64

10

limclean.bat

windows11-ltsc_2024-x64

10

Sharing

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General

  • Target
    limclean.bat
  • Size 6.1MB
  • Sample261005-p5btxstblc
  • SHA256 8ad1e81b511ad76a0dca74d39d82b8d7932d584d2047fb602b1ae4dd2eb6bada
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
10/10
defense_evasiondiscoveryexecutionpersistence

Malware Config

Targets

    • Target
      limclean.bat
    • Size 6.1MB
    • SHA256 8ad1e81b511ad76a0dca74d39d82b8d7932d584d2047fb602b1ae4dd2eb6bada
    • MD5 SHA1 SHA512 SSDEEP TLSH
    Score
    10/10
    defense_evasiondiscoveryexecutionpersistence

    • Modifies WinLogon for persistence

      persistence

    • Command and Scripting Interpreter: PowerShell

      Run Powershell and hide display window.

      execution

    • Checks computer location settings

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

    • Executes dropped EXE

    • Deobfuscate/Decode Files or Information

      Payload decoded via CertUtil.

      defense_evasion

    • Enumerates connected drives

      Attempts to read the root path of hard drives other than the default C: drive.

    • Looks up external IP address via web service

      Uses a legitimate IP lookup service to find the infected system's external IP.

      discovery
    behavioral1behavioral2

MITRE ATT&CK Enterprise v16

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

2
T1059

PowerShell

1
T1059.001

Windows Command Shell

1
T1059.003

Scheduled Task/Job

1
T1053

Scheduled Task

1
T1053.005

Persistence

Boot or Logon Autostart Execution

1
T1547

Winlogon Helper DLL

1
T1547.004

Scheduled Task/Job

1
T1053

Scheduled Task

1
T1053.005

Privilege Escalation

Boot or Logon Autostart Execution

1
T1547

Winlogon Helper DLL

1
T1547.004

Scheduled Task/Job

1
T1053

Scheduled Task

1
T1053.005

Defense Evasion

Deobfuscate/Decode Files or Information

1
T1140

Modify Registry

1
T1112

Credential Access

Discovery

Peripheral Device Discovery

1
T1120

Query Registry

3
T1012

Remote System Discovery

1
T1018

System Information Discovery

3
T1082

System Network Configuration Discovery

3
T1016

Internet Connection Discovery

2
T1016.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Tasks