Overview

overview

10

Static

static

10

Defender.exe

windows11-21h2-x64

9

Sharing

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General

  • Target

    Defender.exe

  • Size

    101.7MB

  • Sample

    241124-tyc6matrhl

  • MD5

    4639f7017af991701fff3d146503e89a

  • SHA1

    fa01f0919cfcc14ce13f10ef788525117f7972da

  • SHA256

    9aba31cd70bb74c0a15d8776f6f513680447a6982eb9f0a56bb0d1e12bba8428

  • SHA512

    62d77a2396abe0b8de36537d13524f1d098e6bde1cbc574900a1c2c470e9ab902d63d332669586d9b4f2a4fefe9e7da4f9a53b5644a79eb28db53e90c35f9408

  • SSDEEP

    3145728:U4i5r79S6xjKcBaNJ2qHO5i29enGUDd+mA28NFnmSkkr8:Ap5SWNaNPHCi2uzA28NxF

Score
10/10
pysilondiscoveryevasionexecutionpersistenceprivilege_escalationpyinstaller

Malware Config

Targets

    • Target

      Defender.exe

    • Size

      101.7MB

    • MD5

      4639f7017af991701fff3d146503e89a

    • SHA1

      fa01f0919cfcc14ce13f10ef788525117f7972da

    • SHA256

      9aba31cd70bb74c0a15d8776f6f513680447a6982eb9f0a56bb0d1e12bba8428

    • SHA512

      62d77a2396abe0b8de36537d13524f1d098e6bde1cbc574900a1c2c470e9ab902d63d332669586d9b4f2a4fefe9e7da4f9a53b5644a79eb28db53e90c35f9408

    • SSDEEP

      3145728:U4i5r79S6xjKcBaNJ2qHO5i29enGUDd+mA28NFnmSkkr8:Ap5SWNaNPHCi2uzA28NxF

    Score
    9/10
    discoveryevasionexecutionpersistenceprivilege_escalation

    • Enumerates VirtualBox DLL files

    • Command and Scripting Interpreter: PowerShell

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

      execution

    • Sets file to hidden

      Modifies file attributes to stop it showing in Explorer etc.

      evasion

    • Event Triggered Execution: Component Object Model Hijacking

      Adversaries may establish persistence by executing malicious content triggered by hijacked references to Component Object Model (COM) objects.

      persistenceprivilege_escalation

    • Executes dropped EXE

    • Loads dropped DLL

    • Modifies system executable filetype association

      persistence

    • Adds Run key to start application

      persistence

    • Checks installed software on the system

      Looks up Uninstall key entries in the registry to enumerate software on the system.

      discovery

    • Drops desktop.ini file(s)

    • Legitimate hosting services abused for malware hosting/C2

    • Checks system information in the registry

      System information is often read in order to detect sandboxing environments.

    behavioral1

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

1
T1059

PowerShell

1
T1059.001

Persistence

Boot or Logon Autostart Execution

1
T1547

Registry Run Keys / Startup Folder

1
T1547.001

Event Triggered Execution

2
T1546

Change Default File Association

1
T1546.001

Component Object Model Hijacking

1
T1546.015

Privilege Escalation

Boot or Logon Autostart Execution

1
T1547

Registry Run Keys / Startup Folder

1
T1547.001

Event Triggered Execution

2
T1546

Change Default File Association

1
T1546.001

Component Object Model Hijacking

1
T1546.015

Defense Evasion

Hide Artifacts

2
T1564

Hidden Files and Directories

2
T1564.001

Modify Registry

3
T1112

Virtualization/Sandbox Evasion

1
T1497

Credential Access

Discovery

File and Directory Discovery

1
T1083

Query Registry

3
T1012

System Information Discovery

3
T1082

System Location Discovery

1
T1614

System Language Discovery

1
T1614.001

Virtualization/Sandbox Evasion

1
T1497

Lateral Movement

Collection

Command and Control

Web Service

1
T1102

Exfiltration

Impact

Tasks