General

  • Target

    8d0c1a493536b602bfd6b637198b17cde4c582ee10c268aaf6bccf9102f91bb1N.exe

  • Size

    3.7MB

  • Sample

    250225-be2e1azrt2

  • MD5

    1b5326d132da7401f2b78120b15b0080

  • SHA1

    856f65e10855f6e4c3e29911689cad0855ac0f3f

  • SHA256

    8d0c1a493536b602bfd6b637198b17cde4c582ee10c268aaf6bccf9102f91bb1

  • SHA512

    53405724b39f0c669976da0ce44aaec9f235405f307a43cd14220ee342d14496b1fff46243a84290d0fb859587189bdf39c7f4e7b2a3e07ce7e3c544d8a1b371

  • SSDEEP

    98304:xJ4lwVHB2wqxWsi98NPDU0Gq22uHHIIg70agoADqWPZhXnw:b0ChAWsiqNLU0LJuHoAOk73w

Malware Config

Extracted

Family

amadey

Version

4.42

Botnet

9c9aa5

C2

http://185.215.113.43

Attributes
  • install_dir

    abc3bc1985

  • install_file

    skotes.exe

  • strings_key

    8a35cf2ea38c2817dba29a4b5b25dcf0

  • url_paths

    /Zu7JuNko/index.php

rc4.plain

Extracted

Family

stealc

Botnet

reno

C2

http://185.215.113.115

Attributes
  • url_path

    /c4becf79229cb002.php

Targets

    • Target

      8d0c1a493536b602bfd6b637198b17cde4c582ee10c268aaf6bccf9102f91bb1N.exe

    • Size

      3.7MB

    • MD5

      1b5326d132da7401f2b78120b15b0080

    • SHA1

      856f65e10855f6e4c3e29911689cad0855ac0f3f

    • SHA256

      8d0c1a493536b602bfd6b637198b17cde4c582ee10c268aaf6bccf9102f91bb1

    • SHA512

      53405724b39f0c669976da0ce44aaec9f235405f307a43cd14220ee342d14496b1fff46243a84290d0fb859587189bdf39c7f4e7b2a3e07ce7e3c544d8a1b371

    • SSDEEP

      98304:xJ4lwVHB2wqxWsi98NPDU0Gq22uHHIIg70agoADqWPZhXnw:b0ChAWsiqNLU0LJuHoAOk73w

    • Amadey

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

    • Amadey family

    • GCleaner

      GCleaner is a Pay-Per-Install malware loader first discovered in early 2019.

    • Gcleaner family

    • Stealc

      Stealc is an infostealer written in C++.

    • Stealc family

    • Identifies VirtualBox via ACPI registry values (likely anti-VM)

    • Downloads MZ/PE file

    • Uses browser remote debugging

      Can be used control the browser and steal sensitive information such as credentials and session cookies.

    • 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 local email clients

      Email clients store some user data on disk where infostealers will often target it.

    • Reads user/profile data of web browsers

      Infostealers often target stored browser data, which can include saved credentials etc.

    • Unsecured Credentials: Credentials In Files

      Steal credentials from unsecured files.

    • Accesses cryptocurrency files/wallets, possible credential harvesting

    • Adds Run key to start application

    • Checks installed software on the system

      Looks up Uninstall key entries in the registry to enumerate software on the system.

    • Suspicious use of NtSetInformationThreadHideFromDebugger

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v15

Tasks