General

  • Target
    SteaMidra-6.5.6-Setup.exe
  • Size 275.2MB
  • Sample260731-dx4n7aam2s
  • SHA256 eb29037a3f829dd5efc6b467699074eef87671eb72b16826cdf3bf857c98082a
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Targets

    • Target
      SteaMidra-6.5.6-Setup.exe
    • Size 275.2MB
    • SHA256 eb29037a3f829dd5efc6b467699074eef87671eb72b16826cdf3bf857c98082a
    • MD5 SHA1 SHA512 SSDEEP TLSH
    • Renames multiple (6135) files with added filename extension

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

    • Badlisted process makes network request

      Network request originating from process or tool commonly abused by malware.

    • Command and Scripting Interpreter: PowerShell

      Powershell Invoke Web Request.

    • Downloads MZ/PE file

    • 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

    • 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

    • Checks installed software on the system

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

    • Contacts third-party web service commonly abused for C2

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

    • Drops desktop.ini file(s)

    • Enumerates connected drives

      Attempts to read the root path of hard drives other than the default C: drive.

    • Network Service Discovery

      Attempt to gather information on host's network.

    • Detected potential entity reuse from brand GOOGLE.

    • Drops file in System32 directory

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v16

Tasks