General

  • Target

    001b1e6a60f512808cbaea7d6be9d2303ede9e1effc6451724f5d69d68ceaa14.exe

  • Size

    39.3MB

  • Sample

    250221-qfdsnaspck

  • MD5

    d2c8ae12e59a4a4ea508db4c6fa036b8

  • SHA1

    ab1112be6099078c62bca22f44aa91d727084a04

  • SHA256

    001b1e6a60f512808cbaea7d6be9d2303ede9e1effc6451724f5d69d68ceaa14

  • SHA512

    b6f6a502ade8ce1a34b60a6986ef956cddf6a86840d2f13a2a868f779c71c835ef5ecc0e128095bc44d01063e20afb6a6d16ed5e688eec17488ad49c2ee4c06e

  • SSDEEP

    786432:0DIjXH0oq+wzHhIm9/P3J7qoQYFjfrsZ7Iz8+lBOde6fBBrZ:0DAX0lzB/9/vJ7XJTsNIJB8BBrZ

Malware Config

Extracted

Family

gurcu

C2

https://api.telegram.org/bot7258239318:AAE_J6DhWLSRk9YOV8l1ienRdy5HsJZuR6I/sendDocument?chat_id=-1002245526003&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/bot7258239318:AAE_J6DhWLSRk9YOV8l1ienRdy5HsJZuR6I/sendMessage?chat_id=-1002245526003

https://api.telegram.org/bot7258239318:AAE_J6DhWLSRk9YOV8l1ienRdy5HsJZuR6I/getUpdates?offset=-

https://api.telegram.org/bot7258239318:AAE_J6DhWLSRk9YOV8l1ienRdy5HsJZuR6I/sendDocument?chat_id=-1002245526003&caption=%F0%9F%93%B8Screenshot%20take

Targets

    • Target

      001b1e6a60f512808cbaea7d6be9d2303ede9e1effc6451724f5d69d68ceaa14.exe

    • Size

      39.3MB

    • MD5

      d2c8ae12e59a4a4ea508db4c6fa036b8

    • SHA1

      ab1112be6099078c62bca22f44aa91d727084a04

    • SHA256

      001b1e6a60f512808cbaea7d6be9d2303ede9e1effc6451724f5d69d68ceaa14

    • SHA512

      b6f6a502ade8ce1a34b60a6986ef956cddf6a86840d2f13a2a868f779c71c835ef5ecc0e128095bc44d01063e20afb6a6d16ed5e688eec17488ad49c2ee4c06e

    • SSDEEP

      786432:0DIjXH0oq+wzHhIm9/P3J7qoQYFjfrsZ7Iz8+lBOde6fBBrZ:0DAX0lzB/9/vJ7XJTsNIJB8BBrZ

    • 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

    • Modifies WinLogon for persistence

    • Process spawned unexpected child process

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

    • Suspicious use of NtCreateProcessExOtherParentProcess

    • Suspicious use of NtCreateUserProcessOtherParentProcess

    • Contacts a large (2332) amount of remote hosts

      This may indicate a network scan to discover remotely running services.

    • Command and Scripting Interpreter: PowerShell

      Using powershell.exe command.

    • Stops running service(s)

    • Checks BIOS information in registry

      BIOS information is often read in order to detect sandboxing environments.

    • 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.

    • Drops file in System32 directory

    • Enumerates processes with tasklist

    • Suspicious use of NtSetInformationThreadHideFromDebugger

    • Suspicious use of SetThreadContext

    • UPX packed file

      Detects executables packed with UPX/modified UPX open source packer.

MITRE ATT&CK Enterprise v15

Tasks