General

  • Target

    DotStealerBuild.exe

  • Size

    5.6MB

  • Sample

    250118-d28hya1pcx

  • MD5

    d447b8a0fd9777227e0c6b69928ec62a

  • SHA1

    97e91e2a7887f233b6a32fbd489309dc04ae2dd8

  • SHA256

    da471727861921eeaf35b39dfcbb19a4d72a08eb7216a39c652d243f46476132

  • SHA512

    f6eaf46b6a0f7c9c2a196bded50e9e95408057e8a17745313d5a6a0de458cd7adc965cd2617fef6ce24facb3612de9472f4e7baa44e08f62f8dafe97059678ba

  • SSDEEP

    98304:aGl27OuKr+gvhf2U9Nzm31PMoslkqXf0FvUcwti78OqJ7TPBvc8X6Uc:adOuK6mn9NzgMoYkSIvUcwti7TQlvciE

Malware Config

Extracted

Family

gurcu

C2

https://api.telegram.org/bot8195096325:AAEfdm1fuFk97K8pczpcHYgsTQqP6fYw0UE/sendDocument?chat_id=-4697256632&caption=%F0%9F%92%A0DOTSTEALER%F0%9F%92%A0%0A%F0%9F%92%ABNew%20log:%0AIP:%20181.215.176.83%0AUsername:%20Admin%0ALocation:%20United%20Kingdom%20[GB],%20London,%20Englan

Targets

    • Target

      DotStealerBuild.exe

    • Size

      5.6MB

    • MD5

      d447b8a0fd9777227e0c6b69928ec62a

    • SHA1

      97e91e2a7887f233b6a32fbd489309dc04ae2dd8

    • SHA256

      da471727861921eeaf35b39dfcbb19a4d72a08eb7216a39c652d243f46476132

    • SHA512

      f6eaf46b6a0f7c9c2a196bded50e9e95408057e8a17745313d5a6a0de458cd7adc965cd2617fef6ce24facb3612de9472f4e7baa44e08f62f8dafe97059678ba

    • SSDEEP

      98304:aGl27OuKr+gvhf2U9Nzm31PMoslkqXf0FvUcwti78OqJ7TPBvc8X6Uc:adOuK6mn9NzgMoYkSIvUcwti7TQlvciE

    • Gurcu family

    • Gurcu, WhiteSnake

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

    • Checks computer location settings

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

    • 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.

    • 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