General

  • Target

    file.exe

  • Size

    5.6MB

  • Sample

    241213-ck49hsvnet

  • MD5

    3442efc1a403eaeee70cc2a6729ee87b

  • SHA1

    9fcc1af6ba397c0fcfb979af53e2e76c406e6080

  • SHA256

    34443c63e5b3678dfd5df2e83fb1c70dcad8fbaa658a25bcde512e216e8d4a1c

  • SHA512

    869bf4a24dbafe05a43872c6ff0ff437685df6dba97519fc1a58ce96ea2166a01162a77043f4ff52d488301e3d7f34f7c9c71cfa19b4ebad512a626c8ca43dca

  • SSDEEP

    98304:tJRl27OuKr+gvhf2U9Nzm31PMoslkqXf0FvUcwti78OqJ7TPBvc8X6UcG:tWOuK6mn9NzgMoYkSIvUcwti7TQlvcih

Malware Config

Extracted

Family

gurcu

C2

https://api.telegram.org/bot7733030005:AAEneIh4MdJeCVQCr4Pys9pel6q03FCPCi0/sendDocument?chat_id=7538374929&caption=%F0%9F%93%82%20-%20Browser%20data%0A%E2%94%9C%E2%94%80%E2%94%80%20%F0%9F%93%82%20-%20cookies(0.25%20kb

https://api.telegram.org/bot7733030005:AAEneIh4MdJeCVQCr4Pys9pel6q03FCPCi0/sendMessage?chat_id=7538374929

https://api.telegram.org/bot7733030005:AAEneIh4MdJeCVQCr4Pys9pel6q03FCPCi0/getUpdates?offset=-

https://api.telegram.org/bot7733030005:AAEneIh4MdJeCVQCr4Pys9pel6q03FCPCi0/sendDocument?chat_id=7538374929&caption=%F0%9F%93%B8Screenshot%20take

Targets

    • Target

      file.exe

    • Size

      5.6MB

    • MD5

      3442efc1a403eaeee70cc2a6729ee87b

    • SHA1

      9fcc1af6ba397c0fcfb979af53e2e76c406e6080

    • SHA256

      34443c63e5b3678dfd5df2e83fb1c70dcad8fbaa658a25bcde512e216e8d4a1c

    • SHA512

      869bf4a24dbafe05a43872c6ff0ff437685df6dba97519fc1a58ce96ea2166a01162a77043f4ff52d488301e3d7f34f7c9c71cfa19b4ebad512a626c8ca43dca

    • SSDEEP

      98304:tJRl27OuKr+gvhf2U9Nzm31PMoslkqXf0FvUcwti78OqJ7TPBvc8X6UcG:tWOuK6mn9NzgMoYkSIvUcwti7TQlvcih

    • Gurcu family

    • Gurcu, WhiteSnake

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

    • MilleniumRat

      MilleniumRat is a remote access trojan written in C#.

    • Milleniumrat family

    • 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