General

  • Target
    2026-08-14_951070690277029079eae530f088f5cd_cryptbot_icedid_luca-stealer_njrat_stealc
  • Size 115.5MB
  • Sample260815-csbbeadm9t
  • SHA256 eedb39df4e5c24881f31c507dcc9146f4c53d20f7dd67397c3bc02845950c886
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Targets

    • Target
      2026-08-14_951070690277029079eae530f088f5cd_cryptbot_icedid_luca-stealer_njrat_stealc
    • Size 115.5MB
    • SHA256 eedb39df4e5c24881f31c507dcc9146f4c53d20f7dd67397c3bc02845950c886
    • MD5 SHA1 SHA512 SSDEEP TLSH
    • Contains code to disable Windows Defender

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

    • Modifies WinLogon for persistence

    • Modifies Windows Defender DisableAntiSpyware settings

    • Modifies Windows Defender Real-time Protection settings

    • Modifies security service

    • Deletes shadow copies

      Ransomware often targets backup files to inhibit system recovery.

    • Modifies boot configuration data using bcdedit

    • Command and Scripting Interpreter: PowerShell

      Using powershell.exe command.

    • Command and Scripting Interpreter: PowerShell

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

    • Deletes system backups

      Uses wbadmin.exe to inhibit system recovery.

    • Downloads MZ/PE file

    • Drops file in Drivers directory

    • Modify Registry: Disable Windows Driver Blocklist

      Disable Windows Driver Blocklist via Registry.

    • Boot or Logon Autostart Execution: LSASS Driver

      Adversaries may modify or add LSASS drivers to obtain persistence on compromised systems.

    • Checks BIOS information in registry

      BIOS information is often read in order to detect sandboxing environments.

    • Checks computer location settings

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

    • Executes dropped EXE

    • Loads dropped DLL

    • Discovers running processes

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

    • Drops file in System32 directory

    • Executes a VBScript file via the Windows Script Host.

MITRE ATT&CK Enterprise v16

Tasks