General

  • Target

    generated21.exe

  • Size

    2.8MB

  • Sample

    250406-yf8xsszl14

  • MD5

    2ee4087423cdcc9ef14519db15f627b6

  • SHA1

    104667f7a390ce8d36a384365d6cca93dbff402f

  • SHA256

    28828524d62ba090c2a5a558afee71c10d4b4db87c6d73e074698ef4395b8bdc

  • SHA512

    9f68b9e4136cb60eb42729b58097b9185a833b77bb5a253d5492ba259f50cd1ec4ebda1f37184aada58c9f39eb6e02b48964e41e6deb5dc57a2305bcdd6f76eb

  • SSDEEP

    49152:ws0IXxtkqXfd+/9A9Acc125Zsl5hanCLm/+axysYC6syUkoPaPS2AJNySUP7k:wF6xtkqXf0FZjGsJWCLmctClVkoOSfJ0

Malware Config

Extracted

Family

gurcu

C2

https://api.telegram.org/bot6890762661:AAFmz6vcAEVtyRktHezAUxQESQdrtr_vvrQ/sendMessage?chat_id=6565043849

https://api.telegram.org/bot6890762661:AAFmz6vcAEVtyRktHezAUxQESQdrtr_vvrQ/sendDocument?chat_id=6565043849&caption=%F0%9F%A5%A0Cookies%20from%20these%20websites%20%5Bgmail.com%20github.com%20%5D%20were%20successfully%20grabbed%20from%20the%20Default%20profile%20of%20Chrom

https://api.telegram.org/bot6890762661:AAFmz6vcAEVtyRktHezAUxQESQdrtr_vvrQ/sendDocument?chat_id=6565043849&caption=%F0%9F%A5%A0Cookies%20from%20these%20websites%20%5Bgmail.com%20github.com%20%5D%20were%20successfully%20grabbed%20from%20the%20Default%20profile%20of%20Microsoft%20Edg

https://api.telegram.org/bot6890762661:AAFmz6vcAEVtyRktHezAUxQESQdrtr_vvrQ/getUpdates?offset=-

Targets

    • Target

      generated21.exe

    • Size

      2.8MB

    • MD5

      2ee4087423cdcc9ef14519db15f627b6

    • SHA1

      104667f7a390ce8d36a384365d6cca93dbff402f

    • SHA256

      28828524d62ba090c2a5a558afee71c10d4b4db87c6d73e074698ef4395b8bdc

    • SHA512

      9f68b9e4136cb60eb42729b58097b9185a833b77bb5a253d5492ba259f50cd1ec4ebda1f37184aada58c9f39eb6e02b48964e41e6deb5dc57a2305bcdd6f76eb

    • SSDEEP

      49152:ws0IXxtkqXfd+/9A9Acc125Zsl5hanCLm/+axysYC6syUkoPaPS2AJNySUP7k:wF6xtkqXf0FZjGsJWCLmctClVkoOSfJ0

    • Gurcu family

    • Gurcu, WhiteSnake

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

    • 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.

    • Executes dropped EXE

    • 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

    • 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.

    • Enumerates processes with tasklist

MITRE ATT&CK Enterprise v15

Tasks