Overview

overview

8

Static

static

3

WinSecurityUpdate.exe

windows10-2004-x64

8

WinSecurityUpdate.exe

windows11-21h2-x64

8

Sharing

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General

  • Target
    WinSecurityUpdate.exe
  • Size 8.0MB
  • Sample260602-xv4e7aet6n
  • SHA256 a9d7c24bfbb5e9935b25d693ac07bad952071aeeb1b5259df6fc8921d734058c
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
8/10
defense_evasionexecutionpersistencepyinstaller

Malware Config

Targets

    • Target
      WinSecurityUpdate.exe
    • Size 8.0MB
    • SHA256 a9d7c24bfbb5e9935b25d693ac07bad952071aeeb1b5259df6fc8921d734058c
    • MD5 SHA1 SHA512 SSDEEP TLSH
    Score
    8/10
    defense_evasionexecutionpersistencepyinstaller

    • Command and Scripting Interpreter: PowerShell

      Run Powershell and hide display window.

      execution

    • Event Triggered Execution: Image File Execution Options Injection

      persistence

    • Creates new service(s)

      persistenceexecution

    • Drops startup file

    • Executes dropped EXE

    • Loads dropped DLL

    • Modifies service settings

      Alters the configuration of existing services.

      defense_evasion

    • Adds Run key to start application

      persistence

    • Drops file in System32 directory

    • Hide Artifacts: Hidden Files and Directories

      defense_evasion
    behavioral1behavioral2

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

System Services

1
T1569

Service Execution

1
T1569.002

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

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

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

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

Hide Artifacts

2
T1564

Hidden Files and Directories

2
T1564.001

Modify Registry

1
T1112

Credential Access

Discovery

Peripheral Device Discovery

1
T1120

Query Registry

3
T1012

System Information Discovery

2
T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Tasks