Resubmissions

16/08/2026, 17:26

260816-v1anysttex7

16/08/2026, 16:03

260816-thp59adr8x7

General

  • Target
    UltraViewer_setup_6.6.124_en.exe
  • Size 3.5MB
  • Sample260816-thp59adr8x
  • SHA256 020aac79a14717e316a593155ca778dd3e253b888bf62633b174838d35df7f41
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Targets

    • Target
      UltraViewer_setup_6.6.124_en.exe
    • Size 3.5MB
    • SHA256 020aac79a14717e316a593155ca778dd3e253b888bf62633b174838d35df7f41
    • MD5 SHA1 SHA512 SSDEEP TLSH
    • Executes dropped EXE

    • Loads dropped DLL

    • Stops running service(s)

    • Checks installed software on the system

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

    • Network Share Discovery

      Attempt to gather information on host network.

    • Writes to the Master Boot Record (MBR)

      Bootkits write to the MBR to gain persistence at a level below the operating system.

    • 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.

MITRE ATT&CK Enterprise v16

Tasks