Overview

overview

9

Static

static

3

update.exe

windows11-21h2-x64

9

Sharing

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General

  • Target
    update.exe
  • Size 246KB
  • Sample260723-cafs6svsbv
  • SHA256 1fbd4db474167dde2992928e83440d7db4eb795b67ace8d95d96d617930b81d5
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
9/10
defense_evasionexecutionpersistencespywaretrojan

Malware Config

Targets

    • Target
      update.exe
    • Size 246KB
    • SHA256 1fbd4db474167dde2992928e83440d7db4eb795b67ace8d95d96d617930b81d5
    • MD5 SHA1 SHA512 SSDEEP TLSH
    Score
    9/10
    defense_evasionexecutionpersistencespywaretrojan

    • Enumerates VirtualBox registry keys

      defense_evasion

    • Command and Scripting Interpreter: PowerShell

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

      execution

    • Looks for VMWare services registry key.

      defense_evasion

    • Deletes itself

    • Drops startup file

    • Executes dropped EXE

    • Adds Run key to start application

      persistence
    behavioral1

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

Registry Run Keys / Startup Folder

1
T1547.001

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

Scheduled Task/Job

1
T1053

Scheduled Task

1
T1053.005

Defense Evasion

Modify Registry

2
T1112

Subvert Trust Controls

1
T1553

Install Root Certificate

1
T1553.004

Virtualization/Sandbox Evasion

2
T1497

Credential Access

Discovery

Query Registry

2
T1012

Virtualization/Sandbox Evasion

2
T1497

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Tasks