General

  • Target

    8b9be5a7eb0b1f86eaa4cfd8f05d1b9c58c44e3fb6fc6197d62eb6091b700f94N.exe

  • Size

    237KB

  • Sample

    250117-m3s93strcx

  • MD5

    5a303372ae38ee3c58fb5ebd3f278570

  • SHA1

    2cf673823a7ae89f4234ad7de717908787fca42b

  • SHA256

    8b9be5a7eb0b1f86eaa4cfd8f05d1b9c58c44e3fb6fc6197d62eb6091b700f94

  • SHA512

    08f6c0ee3a2491e7cece32b46fe013cec140ee9d0a0f0412f6a5d4a7063cdcb9f0449c4ac98c8d513fdedf925ed90c1410243aa09410ff828db85b66fea83737

  • SSDEEP

    3072:zr8WDrCMLUebnZ1AFO9KaL4NpVq8BxFRzaqF+o2GQJ7/JzqVfGv5fvpVQHGbTcW:PuM/bZ1AoLgVqwlL8pVRTcW

Malware Config

Extracted

Family

xworm

C2

81.236.193.88:7000

f8terat.ddns.net:7000

Attributes
  • Install_directory

    %AppData%

  • install_file

    chrome.exe

  • telegram

    https://api.telegram.org/bot6494530798:AAEbPuClZKHOLS6zHwCLBQgZW7x00IaQ8x0/sendMessage?chat_id=5456205643

Targets

    • Target

      8b9be5a7eb0b1f86eaa4cfd8f05d1b9c58c44e3fb6fc6197d62eb6091b700f94N.exe

    • Size

      237KB

    • MD5

      5a303372ae38ee3c58fb5ebd3f278570

    • SHA1

      2cf673823a7ae89f4234ad7de717908787fca42b

    • SHA256

      8b9be5a7eb0b1f86eaa4cfd8f05d1b9c58c44e3fb6fc6197d62eb6091b700f94

    • SHA512

      08f6c0ee3a2491e7cece32b46fe013cec140ee9d0a0f0412f6a5d4a7063cdcb9f0449c4ac98c8d513fdedf925ed90c1410243aa09410ff828db85b66fea83737

    • SSDEEP

      3072:zr8WDrCMLUebnZ1AFO9KaL4NpVq8BxFRzaqF+o2GQJ7/JzqVfGv5fvpVQHGbTcW:PuM/bZ1AoLgVqwlL8pVRTcW

    • Detect Xworm Payload

    • Neshta

      Malware from the neshta family is designed to infect itself into other files to spread itself and cause damage.

    • Neshta family

    • Xworm

      Xworm is a remote access trojan written in C#.

    • Xworm family

    • Command and Scripting Interpreter: PowerShell

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

    • Checks computer location settings

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

    • Drops startup file

    • Executes dropped EXE

    • Loads dropped DLL

    • Modifies system executable filetype association

    • Reads user/profile data of web browsers

      Infostealers often target stored browser data, which can include saved credentials etc.

    • 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.

MITRE ATT&CK Enterprise v15

Tasks