General

  • Target

    e106c7d47aa2546fb2a2f53a0ec26cc5beb1c39eb4d50927d35bb03ad3b211ff

  • Size

    1.8MB

  • Sample

    240706-twp3eavcml

  • MD5

    28e316defe36cba8e0812869245a5268

  • SHA1

    9721632e16cdd212da1ed418cafee85b59b0c959

  • SHA256

    e106c7d47aa2546fb2a2f53a0ec26cc5beb1c39eb4d50927d35bb03ad3b211ff

  • SHA512

    45ec3a3804846ce7fb987c88b331ccc5faf347b24ccf474ace258f2649569548b41c16530bc5e66fb5233c7478d2e8b7ed13a00e4230184e584b852729634a8d

  • SSDEEP

    49152:agYnxOAbl3WPrsfLZLxpIFQnp8ev9kUn26jC+FN:VYnU2GkLZ1pIFem6jV

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

      e106c7d47aa2546fb2a2f53a0ec26cc5beb1c39eb4d50927d35bb03ad3b211ff

    • Size

      1.8MB

    • MD5

      28e316defe36cba8e0812869245a5268

    • SHA1

      9721632e16cdd212da1ed418cafee85b59b0c959

    • SHA256

      e106c7d47aa2546fb2a2f53a0ec26cc5beb1c39eb4d50927d35bb03ad3b211ff

    • SHA512

      45ec3a3804846ce7fb987c88b331ccc5faf347b24ccf474ace258f2649569548b41c16530bc5e66fb5233c7478d2e8b7ed13a00e4230184e584b852729634a8d

    • SSDEEP

      49152:agYnxOAbl3WPrsfLZLxpIFQnp8ev9kUn26jC+FN:VYnU2GkLZ1pIFem6jV

    • Amadey

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

    • Buer

      Buer is a new modular loader first seen in August 2019.

    • 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