General

  • Target

    a8b6bae3666f4750edbc70c8ec4022adfd63c198c250a6493abf073fa0396da7.exe

  • Size

    2.3MB

  • Sample

    240708-bq5a2awakk

  • MD5

    0e15d707e4bbc954e8cd0ca021dca506

  • SHA1

    11fca71ca79f7ca3d51a9a3b4b08234ba6e425a6

  • SHA256

    a8b6bae3666f4750edbc70c8ec4022adfd63c198c250a6493abf073fa0396da7

  • SHA512

    37b00cbf71b53736ea0daf5179710945d7040a554913bff43a35aa91c80c0896103fc8f372b959411539826eba177110d32c038e05a9e4e86eb17847c60465b9

  • SSDEEP

    49152:VC5DbSy31A+a1LdjoPPWq9uH7zigDI8vTeGmWS6E1iCa013tD6qe:w5SPFhlkPUHXLDI6TZm2MiG1tmq

Malware Config

Extracted

Family

stealc

Botnet

Nice

C2

http://85.28.47.30

Attributes
  • url_path

    /920475a59bac849d.php

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

Targets

    • Target

      a8b6bae3666f4750edbc70c8ec4022adfd63c198c250a6493abf073fa0396da7.exe

    • Size

      2.3MB

    • MD5

      0e15d707e4bbc954e8cd0ca021dca506

    • SHA1

      11fca71ca79f7ca3d51a9a3b4b08234ba6e425a6

    • SHA256

      a8b6bae3666f4750edbc70c8ec4022adfd63c198c250a6493abf073fa0396da7

    • SHA512

      37b00cbf71b53736ea0daf5179710945d7040a554913bff43a35aa91c80c0896103fc8f372b959411539826eba177110d32c038e05a9e4e86eb17847c60465b9

    • SSDEEP

      49152:VC5DbSy31A+a1LdjoPPWq9uH7zigDI8vTeGmWS6E1iCa013tD6qe:w5SPFhlkPUHXLDI6TZm2MiG1tmq

    • 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.

    • Suspicious use of NtSetInformationThreadHideFromDebugger

MITRE ATT&CK Enterprise v15

Tasks