Resubmissions

30/05/2024, 08:19

240530-j76t7acf6610

30/05/2024, 08:16

240530-j6cjyscf3310

30/05/2024, 08:10

240530-j244eabe3t10

30/05/2024, 07:54

240530-jrx74scc3710

General

  • Target
    Growtoken.exe
  • Size 1.2MB
  • Sample240530-j76t7acf66
  • SHA256 d44006982388af1f774550e394ebc9a613bbccd2e0dbedfdac871fee1872ad96
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Targets

    • Target
      Growtoken.exe
    • Size 1.2MB
    • SHA256 d44006982388af1f774550e394ebc9a613bbccd2e0dbedfdac871fee1872ad96
    • MD5 SHA1 SHA512 SSDEEP
    • Contains code to disable Windows Defender

      A .NET executable tasked with disabling Windows Defender capabilities such as realtime monitoring, blocking at first seen, etc.

    • Detects Eternity stealer

    • Eternity

      Eternity Project is a malware kit offering an info stealer, clipper, worm, coin miner, ransomware, and DDoS bot.

    • Modifies Windows Defender Real-time Protection settings

    • Checks for common network interception software

      Looks in the registry for tools like Wireshark or Fiddler commonly used to analyze network activity.

    • Command and Scripting Interpreter: PowerShell

      Run Powershell and hide display window.

    • Downloads MZ/PE file

    • Drops file in Drivers directory

    • Manipulates Digital Signatures

      Attackers can apply techniques such as changing the registry keys of authenticode & Cryptography to obtain their binary as valid.

    • Modifies Windows Firewall

    • Checks computer location settings

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

    • Drops startup file

    • 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.

    • Windows security modification

    • 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.

    • Enumerates connected drives

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

    • Drops file in System32 directory

MITRE ATT&CK Enterprise v15

Tasks