Overview

overview

7

Static

static

3

ultraviewer.exe

windows10-2004-x64

7

ultraviewer.exe

windows11-ltsc_2024-x64

7

Sharing

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General

  • Target
    ultraviewer.exe
  • Size 3.5MB
  • Sample260806-pn445sbm5v
  • SHA256 169468ed8f7c755f834a7b2f95f077de5f0c94e79c9e1dcc63e9483616a9033a
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
7/10
adwarebootkitdefense_evasiondiscoveryexecutioninstallerpersistencespywaretrojanupx

Malware Config

Targets

    • Target
      ultraviewer.exe
    • Size 3.5MB
    • SHA256 169468ed8f7c755f834a7b2f95f077de5f0c94e79c9e1dcc63e9483616a9033a
    • MD5 SHA1 SHA512 SSDEEP TLSH
    Score
    7/10
    adwarebootkitdefense_evasiondiscoveryexecutioninstallerpersistencespywaretrojanupx

    • Executes dropped EXE

    • Loads dropped DLL

    • Stops running service(s)

      defense_evasionexecution

    • 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.

      bootkitpersistence

    • ConfuserEx .NET packer

      Detects ConfuserEx .NET packer.

    • Drops file in System32 directory

    • UPX packed file

      Detects executables packed with UPX/modified UPX open source packer.

      upx
    behavioral1behavioral2

MITRE ATT&CK Enterprise v16

Tasks