General

  • Target
    sharkexecutorfree.exe
  • Size 15.8MB
  • Sample260707-ktrnsaet2y
  • SHA256 bdc7245d263a4e43eba5e5c5011034af8ca0871b051cf1161bd96b18725b7940
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Targets

    • Target
      sharkexecutorfree.exe
    • Size 15.8MB
    • SHA256 bdc7245d263a4e43eba5e5c5011034af8ca0871b051cf1161bd96b18725b7940
    • MD5 SHA1 SHA512 SSDEEP TLSH
    • Modifies WinLogon for persistence

    • Command and Scripting Interpreter: PowerShell

      Run Powershell and hide display window.

    • Checks computer location settings

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

    • Clipboard Data

      Adversaries may collect data stored in the clipboard from users copying information within or between applications.

    • Executes dropped EXE

    • Loads dropped DLL

    • Reads user/profile data of web browsers

      Infostealers often target stored browser data, which can include saved credentials etc.

    • Adds Run key to start application

    • Hide Artifacts: Hidden Window

      Windows that would typically be displayed when an application carries out an operation can be hidden.

    • Indicator Removal: Clear Persistence

      Clear artifacts associated with previously established persistence like scheduletasks on a host.

    • Looks up external IP address via web service

      Uses a legitimate IP lookup service to find the infected system's external IP.

    • Obfuscated Files or Information: Command Obfuscation

      Adversaries may obfuscate content during command execution to impede detection.

    • Enumerates processes with tasklist

    • Hide Artifacts: Hidden Files and Directories

    • UPX packed file

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

    • Target
      loader-o.pyc
    • Size 5KB
    • SHA256 fdadc581c68c4fd25ec48cf37d0a366e0dbae8bdb27924853a4950aacbeb1e8f
    • MD5 SHA1 SHA512 SSDEEP TLSH
    Score
    3/10

MITRE ATT&CK Enterprise v16

Tasks