Resubmissions

25-08-2024 17:54

240825-wgzz6swfnf 10

25-08-2024 17:44

240825-wbe3tawdjc 10

General

  • Target

    https://mega.nz/file/t3kESB5b#5n0VPvVRYZOHqb_cnVQNqslCsvI9qsIP3h8Xl0RpYyA

  • Sample

    240825-wbe3tawdjc

Malware Config

Extracted

Family

gurcu

C2

https://api.telegram.org/bot6840643388:AAFx-w02hvJE3j8QWzCipTXQ-j2gGH45m_Y/sendDocument?chat_id=2024893777&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%20kb)%0A%E2%94%9C%E2%94%80%E2%94%80%20%F0%9F%93%84%20-%20BrowserDownloads.txt%20(0.26%20kb

https://api.telegram.org/bot6840643388:AAFx-w02hvJE3j8QWzCipTXQ-j2gGH45m_Y/sendMessage?chat_id=2024893777

https://api.telegram.org/bot6840643388:AAFx-w02hvJE3j8QWzCipTXQ-j2gGH45m_Y/getUpdates?offset=-

https://api.telegram.org/bot6840643388:AAFx-w02hvJE3j8QWzCipTXQ-j2gGH45m_Y/sendDocument?chat_id=2024893777&caption=%F0%9F%93%B8Screenshot%20take

Targets

    • Target

      https://mega.nz/file/t3kESB5b#5n0VPvVRYZOHqb_cnVQNqslCsvI9qsIP3h8Xl0RpYyA

    • 888RAT

      888RAT is an Android remote administration tool.

    • Android 888 RAT payload

    • Gurcu, WhiteSnake

      Gurcu is a malware stealer written in C#.

    • Credentials from Password Stores: Credentials from Web Browsers

      Malicious Access or copy of Web Browser Credential store.

    • ACProtect 1.3x - 1.4x DLL software

      Detects file using ACProtect software.

    • 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.

    • UPX packed file

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

    • 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.

    • AutoIT Executable

      AutoIT scripts compiled to PE executables.

    • Enumerates processes with tasklist

MITRE ATT&CK Enterprise v15

Tasks