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General

  • Target

    https://download.oxy.cloud/d/bchi/2/858f276bb0052113f612791ea5f59928

  • Sample

    250316-w564dszqs8

Malware Config

Extracted

Family

phemedrone

C2

https://api.telegram.org/bot7940307483:AAEmmDBRKx8kRMTrlD986B7qCulYd2jfQHw/sendDocument

Extracted

Family

gurcu

C2

https://api.telegram.org/bot7940307483:AAEmmDBRKx8kRMTrlD986B7qCulYd2jfQHw/sendDocumen

Targets

    • Target

      https://download.oxy.cloud/d/bchi/2/858f276bb0052113f612791ea5f59928

    • DcRat

      DarkCrystal(DC) is a new .NET RAT active since June 2019 capable of loading additional plugins.

    • Dcrat family

    • Detect Umbral payload

    • Gurcu family

    • Gurcu, WhiteSnake

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

    • Phemedrone

      An information and wallet stealer written in C#.

    • Phemedrone family

    • Process spawned unexpected child process

      This typically indicates the parent process was compromised via an exploit or macro.

    • Umbral

      Umbral stealer is an opensource moduler stealer written in C#.

    • Umbral family

    • DCRat payload

      Detects payload of DCRat, commonly dropped by NSIS installers.

    • Uses browser remote debugging

      Can be used control the browser and steal sensitive information such as credentials and session cookies.

    • Executes dropped EXE

    • Reads data files stored by FTP clients

      Tries to access configuration files associated with programs like FileZilla.

    • Reads user/profile data of web browsers

      Infostealers often target stored browser data, which can include saved credentials etc.

    • Unsecured Credentials: Credentials In Files

      Steal credentials from unsecured files.

    • Looks up external IP address via web service

      Uses a legitimate IP lookup service to find the infected system's external IP.

    • Modifies WinLogon

MITRE ATT&CK Enterprise v15

Tasks