General

  • Target

    77e9b3740b0e2fd375cd1981ce2ad2ece335200794fa7eb92d4befee2094b9ce.exe

  • Size

    2.4MB

  • Sample

    240710-b8gyfszakl

  • MD5

    3cf711041254d965f4d100dfd2af83b5

  • SHA1

    567f213eabaf61bf82e941631dbecd518b61d089

  • SHA256

    77e9b3740b0e2fd375cd1981ce2ad2ece335200794fa7eb92d4befee2094b9ce

  • SHA512

    629f3136a6ebacf69800ed96000709c28ac096937c75cacb262394922779ab6cc613dd496e263ac02b41b998daa570771b68fd6a79b5d73fb3c4a45ef0bdb718

  • SSDEEP

    49152:QFBfSopK6xreRIkEGiQmckvN+tAi34M6znoX98vzzxDiDUGLz+y7LF1OjPur8:4fPI6rCRpbi+tAi7svzzxJ8LF1UG8

Malware Config

Extracted

Family

stealc

Botnet

hate

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

      77e9b3740b0e2fd375cd1981ce2ad2ece335200794fa7eb92d4befee2094b9ce.exe

    • Size

      2.4MB

    • MD5

      3cf711041254d965f4d100dfd2af83b5

    • SHA1

      567f213eabaf61bf82e941631dbecd518b61d089

    • SHA256

      77e9b3740b0e2fd375cd1981ce2ad2ece335200794fa7eb92d4befee2094b9ce

    • SHA512

      629f3136a6ebacf69800ed96000709c28ac096937c75cacb262394922779ab6cc613dd496e263ac02b41b998daa570771b68fd6a79b5d73fb3c4a45ef0bdb718

    • SSDEEP

      49152:QFBfSopK6xreRIkEGiQmckvN+tAi34M6znoX98vzzxDiDUGLz+y7LF1OjPur8:4fPI6rCRpbi+tAi7svzzxJ8LF1UG8

    • 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