General

  • Target

    ab661318567c5a20613fdf84997cf64b90e5b269e9e6b1f1a1cd4b21ee240d4d

  • Size

    1.8MB

  • Sample

    240907-z5ynssyblb

  • MD5

    93b66b2752bced2a3d1394c0e8f22ff3

  • SHA1

    fab6ee5d8fd8899ce53b132853ade5ed4ca3d201

  • SHA256

    ab661318567c5a20613fdf84997cf64b90e5b269e9e6b1f1a1cd4b21ee240d4d

  • SHA512

    ac75eda84cf5d6d2a4a198024b17c270c6b380f598d56632eb62a242d2a97f446942f755a989c2eb34a01f5692c632650dfefc9cb47b74fd97b532343b9c0854

  • SSDEEP

    24576:xyf8wQB6SFIpQo4X37rocOmadpl52R8ORAEnd+fZYfs3CLf1EbHJfezragvccTo:AEbglIXTCdplAPhfsyLuTte3vvctDxy

Malware Config

Extracted

Family

amadey

Version

4.41

Botnet

c7817d

C2

http://31.41.244.10

Attributes
  • install_dir

    0e8d0864aa

  • install_file

    svoutse.exe

  • strings_key

    5481b88a6ef75bcf21333988a4e47048

  • url_paths

    /Dem7kTu/index.php

rc4.plain

Extracted

Family

stealc

Botnet

rave

C2

http://185.215.113.103

Attributes
  • url_path

    /e2b1563c6670f193.php

Targets

    • Target

      ab661318567c5a20613fdf84997cf64b90e5b269e9e6b1f1a1cd4b21ee240d4d

    • Size

      1.8MB

    • MD5

      93b66b2752bced2a3d1394c0e8f22ff3

    • SHA1

      fab6ee5d8fd8899ce53b132853ade5ed4ca3d201

    • SHA256

      ab661318567c5a20613fdf84997cf64b90e5b269e9e6b1f1a1cd4b21ee240d4d

    • SHA512

      ac75eda84cf5d6d2a4a198024b17c270c6b380f598d56632eb62a242d2a97f446942f755a989c2eb34a01f5692c632650dfefc9cb47b74fd97b532343b9c0854

    • SSDEEP

      24576:xyf8wQB6SFIpQo4X37rocOmadpl52R8ORAEnd+fZYfs3CLf1EbHJfezragvccTo:AEbglIXTCdplAPhfsyLuTte3vvctDxy

    • Amadey

      Amadey bot is a simple trojan bot primarily used for collecting reconnaissance information.

    • Stealc

      Stealc is an infostealer written in C++.

    • Credentials from Password Stores: Credentials from Web Browsers

      Malicious Access or copy of Web Browser Credential store.

    • Identifies VirtualBox via ACPI registry values (likely anti-VM)

    • Downloads MZ/PE file

    • 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

    • Identifies Wine through registry keys

      Wine is a compatibility layer capable of running Windows applications, which can be used as sandboxing environment.

    • Loads dropped DLL

    • 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.

    • Accesses cryptocurrency files/wallets, possible credential harvesting

    • Adds Run key to start application

    • Checks installed software on the system

      Looks up Uninstall key entries in the registry to enumerate software on the system.

    • AutoIT Executable

      AutoIT scripts compiled to PE executables.

    • Suspicious use of NtSetInformationThreadHideFromDebugger

MITRE ATT&CK Enterprise v15

Tasks