hxxp://www[.]ultraviewer[.]net | Triage™

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Overview

overview

8

Static

static

1

URLScan

urlscan

1

http://www.ultraview...

windows10-ltsc_2021-x64

8

Sharing

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General

Target
http://www.ultraviewer.net
Sample260905-vdbmqseh83

Score

8^/10

adware bootkit defense_evasion discovery execution installer persistence ransomware spyware trojan upx

Static task

static1

URLScan task

urlscan1

Behavioral task

behavioral1

Sample

http://www.ultraviewer.net

Resource

win10ltsc2021-20260513-en

windows10-ltsc_2021-x64

37 signatures

900 seconds

adware bootkit defense_evasion discovery execution installer persistence ransomware spyware trojan upx

Malware Config

Targets

- Target
  http://www.ultraviewer.net
Score

8^/10

adware bootkit defense_evasion discovery execution installer persistence ransomware spyware trojan upx
- Downloads MZ/PE file
- Executes dropped EXE
- Loads dropped DLL
- Stops running service(s)
  defense_evasion execution
- Checks installed software on the system
  Looks up Uninstall key entries in the registry to enumerate software on the system.
  discovery
- Network Share Discovery
  Attempt to gather information on host network.
  discovery
- Writes to the Master Boot Record (MBR)
  Bootkits write to the MBR to gain persistence at a level below the operating system.
  bootkit persistence
- Drops file in System32 directory
- UPX packed file
  Detects executables packed with UPX/modified UPX open source packer.
  upx
behavioral1

MITRE ATT&CK Enterprise v16

Reconnaissance

Resource Development

Initial Access

Execution

System Services

Service Execution

Persistence

Create or Modify System Process

Windows Service

Pre-OS Boot

Bootkit

Privilege Escalation

Create or Modify System Process

Windows Service

Defense Evasion

Impair Defenses

Modify Registry

Pre-OS Boot

Bootkit

Subvert Trust Controls

Install Root Certificate

Credential Access

Discovery

Browser Information Discovery

Network Share Discovery

Query Registry

Remote System Discovery

System Information Discovery

System Location Discovery

System Language Discovery

System Time Discovery

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Service Stop

Tasks

static1

urlscan1

behavioral1

adwarebootkitdefense_evasiondiscoveryexecutioninstallerpersistenceransomwarespywaretrojanupx

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