General

  • Target

    data.dat.exe

  • Size

    5.7MB

  • Sample

    250119-sq6mjatpbj

  • MD5

    fb25fdd6ff14150c12aadd9ee2d1a132

  • SHA1

    3cfb3536cd95f0b45e3540241b29aaac8195969b

  • SHA256

    30aa5d63d57d96e48788efcf488f3fb7ba05354313a383f15d5c5caca632c87c

  • SHA512

    ffa52a7225aab5c5518d2ec872b20bb81a964b41205308cb72356e8f443b333a89239920989ffe032f5b5009d34ea04c4ffa8944e648633321c9a6685a3d9494

  • SSDEEP

    98304:m2+l27OuKr+gvhf2U9Nzm31PMoslkqXf0FvUcwti78OqJ7TPBvc8X6Ucz:moOuK6mn9NzgMoYkSIvUcwti7TQlvciE

Malware Config

Extracted

Family

gurcu

C2

https://api.telegram.org/bot8077286634:AAG1XHb6leJVqlqfJbmVoJd2ysHqXSznNdQ/sendDocument?chat_id=-1002258988684&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/bot8077286634:AAG1XHb6leJVqlqfJbmVoJd2ysHqXSznNdQ/sendMessage?chat_id=-1002258988684

https://api.telegram.org/bot8077286634:AAG1XHb6leJVqlqfJbmVoJd2ysHqXSznNdQ/sendDocument?chat_id=-1002258988684&caption=%F0%9F%93%B8Screenshot%20take

Targets

    • Target

      data.dat.exe

    • Size

      5.7MB

    • MD5

      fb25fdd6ff14150c12aadd9ee2d1a132

    • SHA1

      3cfb3536cd95f0b45e3540241b29aaac8195969b

    • SHA256

      30aa5d63d57d96e48788efcf488f3fb7ba05354313a383f15d5c5caca632c87c

    • SHA512

      ffa52a7225aab5c5518d2ec872b20bb81a964b41205308cb72356e8f443b333a89239920989ffe032f5b5009d34ea04c4ffa8944e648633321c9a6685a3d9494

    • SSDEEP

      98304:m2+l27OuKr+gvhf2U9Nzm31PMoslkqXf0FvUcwti78OqJ7TPBvc8X6Ucz:moOuK6mn9NzgMoYkSIvUcwti7TQlvciE

    • 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

    • Loads dropped DLL

    • 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