General

  • Target

    amadka.exe

  • Size

    1.9MB

  • Sample

    240712-r32cxaxhrn

  • MD5

    fa215e26868ac811e72a8f1d3b78168a

  • SHA1

    d42f111e60f2165019378d6a89d34fe4cf2524c7

  • SHA256

    27172a6b23e5b19bfe4501895692fb39f8d5c8c89b19ef33b5f027e39cc6289f

  • SHA512

    1ac389b0a948e8b773ea09622d715b5db1e6a4aa745df8a7c28fce3d1fbb454716ed14e8e762b2a76dd233c40b663c0a942f3866a35aaacede79abeac42e8175

  • SSDEEP

    49152:DEePXECgKOBOYA1ANKSHAmHBTw6ShMS1LVO5RVQP7LM:DEePURf3AAlZu63YLGI

Malware Config

Extracted

Family

amadey

Version

4.30

Botnet

4dd39d

C2

http://77.91.77.82

Attributes
  • install_dir

    ad40971b6b

  • install_file

    explorti.exe

  • strings_key

    a434973ad22def7137dbb5e059b7081e

  • url_paths

    /Hun4Ko/index.php

rc4.plain

Extracted

Family

stealc

Botnet

hate

C2

http://85.28.47.30

Attributes
  • url_path

    /920475a59bac849d.php

Targets

    • Target

      amadka.exe

    • Size

      1.9MB

    • MD5

      fa215e26868ac811e72a8f1d3b78168a

    • SHA1

      d42f111e60f2165019378d6a89d34fe4cf2524c7

    • SHA256

      27172a6b23e5b19bfe4501895692fb39f8d5c8c89b19ef33b5f027e39cc6289f

    • SHA512

      1ac389b0a948e8b773ea09622d715b5db1e6a4aa745df8a7c28fce3d1fbb454716ed14e8e762b2a76dd233c40b663c0a942f3866a35aaacede79abeac42e8175

    • SSDEEP

      49152:DEePXECgKOBOYA1ANKSHAmHBTw6ShMS1LVO5RVQP7LM:DEePURf3AAlZu63YLGI

    • Amadey

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

    • Stealc

      Stealc is an infostealer written in C++.

    • 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.

    • Accesses cryptocurrency files/wallets, possible credential harvesting

    • 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