Overview

overview

10

Static

static

10

BlackedCurtains.exe

windows11-ltsc_2024-x64

10

Sharing

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General

  • Target
    BlackedCurtains.exe
  • Size 20.3MB
  • Sample260709-vnvtcset3j
  • SHA256 2e4700a6ee11d1f2246aa24716a54a002b66f14aea6246ab014880431d735de3
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
10/10
defense_evasionevasionexecutionpersistencetrojan

Malware Config

Targets

    • Target
      BlackedCurtains.exe
    • Size 20.3MB
    • SHA256 2e4700a6ee11d1f2246aa24716a54a002b66f14aea6246ab014880431d735de3
    • MD5 SHA1 SHA512 SSDEEP TLSH
    Score
    10/10
    defense_evasionevasionexecutionpersistencetrojan

    • Contains code to disable Windows Defender

      A .NET executable tasked with disabling Windows Defender capabilities such as realtime monitoring, blocking at first seen, etc.

    • Modifies Windows Defender DisableAntiSpyware settings

      evasiontrojan

    • Disables one or more Microsoft Defender components

      Uses the Powershell Set-MpPreference cmdlet to disable one or more Microsoft Defender components.

      defense_evasion

    • Modifies Windows Firewall

      defense_evasion

    • Windows security modification

      defense_evasiontrojan

    • Adds Run key to start application

      persistence

    • Command and Scripting Interpreter: PowerShell

      Using powershell.exe command.

      execution

    • Drops file in System32 directory

    behavioral1

MITRE ATT&CK Enterprise v16

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

Create or Modify System Process

2
T1543

Windows Service

2
T1543.003

Scheduled Task/Job

1
T1053

Scheduled Task

1
T1053.005

Privilege Escalation

Boot or Logon Autostart Execution

1
T1547

Registry Run Keys / Startup Folder

1
T1547.001

Create or Modify System Process

2
T1543

Windows Service

2
T1543.003

Scheduled Task/Job

1
T1053

Scheduled Task

1
T1053.005

Defense Evasion

Impair Defenses

4
T1562

Disable or Modify System Firewall

1
T1562.004

Disable or Modify Tools

3
T1562.001

Modify Registry

3
T1112

Credential Access

Discovery

Query Registry

1
T1012

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Tasks