General

  • Target
    2026-10-27_f92c282acbb568b82e9b0357ca6b8f11_blankgrabber_cobalt-strike_icedid_njrat_satacom
  • Size 12.9MB
  • Sample261027-zpr63sed82
  • SHA256 30d3b8de8e0a0d229ec217b3da7752ed5e14f0c33ab379ad5bec4cee51b55ec9
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Targets

    • Target
      2026-10-27_f92c282acbb568b82e9b0357ca6b8f11_blankgrabber_cobalt-strike_icedid_njrat_satacom
    • Size 12.9MB
    • SHA256 30d3b8de8e0a0d229ec217b3da7752ed5e14f0c33ab379ad5bec4cee51b55ec9
    • MD5 SHA1 SHA512 SSDEEP TLSH
    • Deletes Windows Defender Definitions

      Uses mpcmdrun utility to delete all AV definitions.

    • Detects BlankGrabber stealer in memory

    • Family: blankgrabber

      Blankgrabber is an infostealer written in Python and packaged with Pyinstaller.

    • Modifies WinLogon for persistence

    • Modifies Windows Defender Real-time Protection settings

    • Modifies Windows Defender notification settings

    • Modifies security service

    • Windows security bypass

    • Detects executables Discord URL observed in first stage droppers

    • Detects executables containing artifacts associated with disabling Widnows Defender

    • Detects executables embedding registry key / value combination indicative of disabling Windows Defen

    • Adds policy Run key to start application

    • Command and Scripting Interpreter: PowerShell

      Run Powershell and hide display window.

    • 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.

    • Stops running service(s)

    • Windows security modification

    • 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.

    • 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.

    • Modifies Security services

      Modifies the startup behavior of a security service.

    • Discovers running processes

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

    • Hide Artifacts: Hidden Files and Directories

MITRE ATT&CK Enterprise v16

Tasks