General

Malware Config

Extracted

Family

xworm

Version

5.0

C2

154.216.19.12:7000

Mutex

QHMc6qbZcmJeh5Wz

Attributes
  • install_file

    USB.exe

  • telegram

    https://api.telegram.org/bot7830414956:AAEyqRgiEQW-DV0wawv6-EaJ6kx7dVhrDyc

aes.plain
aes.plain
aes.plain

Extracted

Family

gurcu

C2

https://api.telegram.org/bot7830414956:AAEyqRgiEQW-DV0wawv6-EaJ6kx7dVhrDyc/sendMessage?chat_id=-4652967507

https://api.telegram.org/bot7833034082:AAHrtbPzgrxV0U2nPIcyRGepQ0loVNSKN94/sendMessage?chat_id=-4563001294

https://api.telegram.org/bot7991608689:AAFUN71TMgyF_fzKFz6tyyBijaijI3s82tk/sendMessage?chat_id=-4563001294

Targets

    • Detect Xworm Payload

    • Gurcu family

    • Gurcu, WhiteSnake

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

    • Suspicious use of NtCreateUserProcessOtherParentProcess

    • Xworm

      Xworm is a remote access trojan written in C#.

    • Xworm family

    • Blocklisted process makes network request

    • Command and Scripting Interpreter: PowerShell

      Powershell Invoke Web Request.

    • Downloads MZ/PE file

    • 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

    • 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.

    • AutoIT Executable

      AutoIT scripts compiled to PE executables.

    • Enumerates processes with tasklist

    • UPX packed file

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

MITRE ATT&CK Enterprise v15

Tasks