General

  • Target

    79fce6fb5bfdb1152efc6a6c3a55a6118ac637be4022808f1e44e2fd43afb135

  • Size

    1.8MB

  • Sample

    240708-f98vsavcrl

  • MD5

    23ebf51581f8c49a8cc24cbb3773e56d

  • SHA1

    924200e9134b3af8770548c4988559e0eb10a2b0

  • SHA256

    79fce6fb5bfdb1152efc6a6c3a55a6118ac637be4022808f1e44e2fd43afb135

  • SHA512

    7fdd07e92b40920ae91b7f4eb7ea9b43be426f31447e1b4d1cb6f5f1efb72fe11dd7f9830419766302a333074c613977192605c76f0499cb52acd2db4b994641

  • SSDEEP

    49152:PrtR3S7HMExbsyrz/U8A+5QttDOKjeL/U056OWxY+:jt0sExbZfABDOker5N4

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

Nice

C2

http://85.28.47.30

Attributes
  • url_path

    /920475a59bac849d.php

Targets

    • Target

      79fce6fb5bfdb1152efc6a6c3a55a6118ac637be4022808f1e44e2fd43afb135

    • Size

      1.8MB

    • MD5

      23ebf51581f8c49a8cc24cbb3773e56d

    • SHA1

      924200e9134b3af8770548c4988559e0eb10a2b0

    • SHA256

      79fce6fb5bfdb1152efc6a6c3a55a6118ac637be4022808f1e44e2fd43afb135

    • SHA512

      7fdd07e92b40920ae91b7f4eb7ea9b43be426f31447e1b4d1cb6f5f1efb72fe11dd7f9830419766302a333074c613977192605c76f0499cb52acd2db4b994641

    • SSDEEP

      49152:PrtR3S7HMExbsyrz/U8A+5QttDOKjeL/U056OWxY+:jt0sExbZfABDOker5N4

    • 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