General

  • Target

    generated30.exe

  • Size

    938KB

  • Sample

    250406-yflr9szlz4

  • MD5

    2517b502d7714a4e384044a0b6c2a157

  • SHA1

    aa974d57b3b42a1a72afbe2520ae7333e35d7531

  • SHA256

    66fc943f11f465b81234c1fd1a9dfecb87082fe2560a0b1865c2679a927c76c0

  • SHA512

    f3a87225fecced58e540bab65087e45f7340307b77673e566e7074354cf3f4668815ce56bf5f04fc6dba847a0330fc89cc7c8a4ca48d2b725e39a564f4ae46aa

  • SSDEEP

    24576:q7DB0lkqjVnlqud+/2P+A0+lyv0PTVbUkIaMUcfL8lNsO:q7F0lkqXfd+/9AHly8Pv6Ucz8

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%20youtube.com%20%5D%20were%20successfully%20grabbed%20from%20the%20Default%20profile%20of%20Microsoft%20Edg

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

Targets

    • Target

      generated30.exe

    • Size

      938KB

    • MD5

      2517b502d7714a4e384044a0b6c2a157

    • SHA1

      aa974d57b3b42a1a72afbe2520ae7333e35d7531

    • SHA256

      66fc943f11f465b81234c1fd1a9dfecb87082fe2560a0b1865c2679a927c76c0

    • SHA512

      f3a87225fecced58e540bab65087e45f7340307b77673e566e7074354cf3f4668815ce56bf5f04fc6dba847a0330fc89cc7c8a4ca48d2b725e39a564f4ae46aa

    • SSDEEP

      24576:q7DB0lkqjVnlqud+/2P+A0+lyv0PTVbUkIaMUcfL8lNsO:q7F0lkqXfd+/9AHly8Pv6Ucz8

    • 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