General

  • Target

    https://bazaar.abuse.ch/sample/2c2d57d1ea08595db9a8a6c1bf8dbe40fac57a9b784eff00c4095c72fce80e98/

  • Sample

    230721-j9vjyadd4t

Malware Config

Extracted

Family

gurcu

C2

https://api.telegram.org/bot6237712604:AAESgAGfaQ0EUC8eWgMd7kpAW_FEGRDRfDs/sendMessage?chat_id=880824160

Targets

    • Target

      https://bazaar.abuse.ch/sample/2c2d57d1ea08595db9a8a6c1bf8dbe40fac57a9b784eff00c4095c72fce80e98/

    • Gurcu, WhiteSnake

      Gurcu is a malware stealer written in C#.

    • Checks computer location settings

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

    • Executes dropped EXE

    • Reads user/profile data of web browsers

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

    • Accesses Microsoft Outlook profiles

    • Checks installed software on the system

      Looks up Uninstall key entries in the registry to enumerate software on the system.

    • Looks up external IP address via web service

      Uses a legitimate IP lookup service to find the infected system's external IP.

    • Drops file in System32 directory

MITRE ATT&CK Enterprise v15

Tasks