General

  • Target
    Screenshot 2025-08-29 at 15-15-43 Stitch - Projects.png
  • Size 37KB
  • Sample250902-maxrsstwft
  • SHA256 c94e908cf7bc52a054f2996153ceb7a237e94a3dd6adaac68ce144d1140c0502
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Extracted

Family
  • gurcu

C2
  • https://api.telegram.org/bot8481004479:AAGqPDdfK61k357MpdMkeMBYQAq5c_cEVLY/getM

  • https://api.telegram.org/bot8162817181:AAHSV2D0mTYwtNz7JyPSwJL8Z5Ug1bpzILw/getM

  • https://api.telegram.org/bot8341705913:AAHfJWn779AY-eJfupJceEa_gHKavsvIVOU/getM

  • https://api.telegram.org/bot7879460715:AAFxeeyD6xxE_cpuTQnIRZ7Qwr34CKSfxoM/getM

  • https://api.telegram.org/bot7879460715:AAFxeeyD6xxE_cpuTQnIRZ7Qwr34CKSfxoM/sendDocument?chat_id=7848641603&caption=%F0%9F%93%82%20-%20Browser%20data%0A%E2%94%9C%E2%94%80%E2%94%80%20%F0%9F%93%82%20-%20cookies%20%287.49%20kb%2

  • https://api.telegram.org/bot7879460715:AAFxeeyD6xxE_cpuTQnIRZ7Qwr34CKSfxoM/getUpdates?offset=-

  • https://api.telegram.org/bot8162817181:AAHSV2D0mTYwtNz7JyPSwJL8Z5Ug1bpzILw/sendMessage?chat_id=8341849344

  • https://api.telegram.org/bot8162817181:AAHSV2D0mTYwtNz7JyPSwJL8Z5Ug1bpzILw/getUpdates?offset=-

  • https://api.telegram.org/bot8162817181:AAHSV2D0mTYwtNz7JyPSwJL8Z5Ug1bpzILw/deleteWebhoo

  • https://api.telegram.org/bot8299752296:AAGCUbUU2BfgOetN7WS0ZxSZQpwV_I6BRNE/getM

  • https://api.telegram.org/bot8341705913:AAHfJWn779AY-eJfupJceEa_gHKavsvIVOU/sendMessage?chat_id=-4822898188

  • https://api.telegram.org/bot8299752296:AAGCUbUU2BfgOetN7WS0ZxSZQpwV_I6BRNE/sendMessage?chat_id=7848641603

Targets

    • Target
      Screenshot 2025-08-29 at 15-15-43 Stitch - Projects.png
    • Size 37KB
    • SHA256 c94e908cf7bc52a054f2996153ceb7a237e94a3dd6adaac68ce144d1140c0502
    • MD5 SHA1 SHA512 SSDEEP
    • A stealer written in Python and packaged with Pyinstaller

    • Blankgrabber family

    • Deletes Windows Defender Definitions

      Uses mpcmdrun utility to delete all AV definitions.

    • Gurcu family

    • Gurcu, WhiteSnake

      Gurcu aka WhiteSnake is a malware stealer written in C#.

    • Xmrig family

    • blankgrabber

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

    • xmrig

      XMRig is a high performance, open source, cross platform CPU/GPU miner.

    • XMRig Miner payload

    • Badlisted process makes network request

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

    • Command and Scripting Interpreter: PowerShell

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

    • Downloads MZ/PE file

    • Drops file in Drivers directory

    • Uses browser remote debugging

      Can be used control the browser and steal sensitive information such as credentials and session cookies.

    • Checks computer location settings

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

    • Clipboard Data

      Adversaries may collect data stored in the clipboard from users copying information within or between applications.

    • 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.

    • Unsecured Credentials: Credentials In Files

      Steal credentials from unsecured files.

    • Accesses cryptocurrency files/wallets, possible credential harvesting

    • Adds Run key to start application

    • Drops desktop.ini file(s)

    • Legitimate hosting services abused for malware hosting/C2

    • 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.

    • Enumerates processes with tasklist

    • UPX packed file

      Detects executables packed with UPX/modified UPX open source packer.

MITRE ATT&CK Enterprise v16

Tasks