Overview

overview

8

Static

static

5

HertaBlock.exe

windows10-2004-x64

8

HertaBlock.exe

windows11-21h2-x64

8

Sharing

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General

  • Target
    HertaBlock.exe
  • Size 961KB
  • Sample260517-vc2grsbt2w
  • SHA256 f169c98edc64ec4beaf53042b324051cdbaddfc15eb49243c545cf8dd3c77b6d
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
8/10
defense_evasionexecutionransomwareupx

Malware Config

Targets

    • Target
      HertaBlock.exe
    • Size 961KB
    • SHA256 f169c98edc64ec4beaf53042b324051cdbaddfc15eb49243c545cf8dd3c77b6d
    • MD5 SHA1 SHA512 SSDEEP TLSH
    Score
    8/10
    defense_evasionexecutionransomwareupx

    • Disables RegEdit via registry modification

      defense_evasion

    • Disables Task Manager via registry modification

      defense_evasion

    • Disables cmd.exe use via registry modification

      defense_evasion

    • Checks computer location settings

      Looks up country code configured in the registry, likely geofence.

    • Command and Scripting Interpreter: PowerShell

      Using powershell.exe command.

      execution

    • Sets desktop wallpaper using registry

      ransomware

    • UPX packed file

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

      upx
    behavioral1behavioral2

MITRE ATT&CK Enterprise v16

Tasks