Overview

overview

10

Static

static

10

HowlClient.exe

windows7-x64

1

HowlClient.exe

windows10-2004-x64

9

Sharing

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General

  • Target
    HowlClient.exe
  • Size 81.2MB
  • Sample240816-27ed2stara
  • SHA256 16b5be77f064aeb7c6c9715b4522372f6cdfb765b088ee08c7694e82a9c565ad
  • MD5 SHA1 SHA512 SSDEEP
Score
10/10
pysilonevasionexecutionpersistencepyinstallerupx

Malware Config

Targets

    • Target
      HowlClient.exe
    • Size 81.2MB
    • SHA256 16b5be77f064aeb7c6c9715b4522372f6cdfb765b088ee08c7694e82a9c565ad
    • MD5 SHA1 SHA512 SSDEEP
    Score
    9/10
    evasionexecutionpersistenceupx

    • Enumerates VirtualBox DLL files

    • Command and Scripting Interpreter: PowerShell

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

      execution

    • Sets file to hidden

      Modifies file attributes to stop it showing in Explorer etc.

      evasion

    • Executes dropped EXE

    • Loads dropped DLL

    • UPX packed file

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

      upx

    • Adds Run key to start application

      persistence
    behavioral1behavioral2

MITRE ATT&CK Enterprise v15

Tasks