General

  • Target
    2026-08-13_6b2b2e96c270f0fa50ebbd03d5ae6329_coinminer_dosia_poet-rat_quasar-rat_snatch
  • Size 26.9MB
  • Sample260813-lbef6sem5z
  • SHA256 c67b71ff5583e87a5006260399989ba5a63acf28ae5db00776abf7606933fa2c
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Targets

    • Target
      2026-08-13_6b2b2e96c270f0fa50ebbd03d5ae6329_coinminer_dosia_poet-rat_quasar-rat_snatch
    • Size 26.9MB
    • SHA256 c67b71ff5583e87a5006260399989ba5a63acf28ae5db00776abf7606933fa2c
    • MD5 SHA1 SHA512 SSDEEP TLSH
    • Deletes Windows Defender Definitions

      Uses mpcmdrun utility to delete all AV definitions.

    • Modifies WinLogon for persistence

    • Modifies Windows Defender DisableAntiSpyware settings

    • Modifies Windows Defender Real-time Protection settings

    • Looks for VirtualBox Guest Additions in registry

    • Renames multiple (918) files with added filename extension

      This suggests ransomware activity of encrypting all the files on the system.

    • Command and Scripting Interpreter: PowerShell

      Run Powershell and hide display window.

    • Disables Task Manager via registry modification

    • Drops file in Drivers directory

    • Looks for VMWare Tools registry key

    • Creates a file in the Startup directory

      A file was written to a Windows startup folder. Files in these directories are executed automatically when a user logs on or an application initializes.

    • Credentials from Password Stores: Windows Credential Manager

      Suspicious access to Credentials History.

    • Event Triggered Execution: Component Object Model Hijacking

      Adversaries may establish persistence by executing malicious content triggered by hijacked references to Component Object Model (COM) objects.

    • Executes dropped EXE

    • Modifies file permissions

    • 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

    • Contacts third-party web service commonly abused for C2

      Legitimate web (hosting) services can be abused by malware authors to host malware or C2s.

    • 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.

    • Discovers running processes

      Running process information can be used to identify security tools or plan follow-on actions.

    • Drops file in System32 directory

MITRE ATT&CK Enterprise v16

Tasks