General

  • Target

    d0bfb34dd258ddb7dd879faf1e979e1e75a266d63d6eff9036851582fb5930a4

  • Size

    5.7MB

  • Sample

    250125-rglekaxndq

  • MD5

    c4c9e43e08214618f2e9a9040f81538e

  • SHA1

    7287e802614f21de27ddb83b7d212de7f1829e22

  • SHA256

    d0bfb34dd258ddb7dd879faf1e979e1e75a266d63d6eff9036851582fb5930a4

  • SHA512

    8fd9fc6f5e53860200fa0ea6de680b78a59c4fa89e597df037d4b7d2313583592361374ce9ecf4a5832fd605566fb0360b6eadc08e5254114cc9ac6950c04e85

  • SSDEEP

    98304:OEpplnHtsXBeP4wiU7QiK8cOnKxatfUeWV7sxoGa7cRwMAQDEbUoK8wyDX8vo+Z:PpplqXBewwTl5K7D7swAEbUoKOGo

Malware Config

Extracted

Language
ps1
Deobfuscated
URLs
exe.dropper

http://185.215.113.16/defend/random.exe

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

brat

C2

http://185.215.113.206

Attributes
  • url_path

    /c4becf79229cb002.php

Targets

    • Target

      d0bfb34dd258ddb7dd879faf1e979e1e75a266d63d6eff9036851582fb5930a4

    • Size

      5.7MB

    • MD5

      c4c9e43e08214618f2e9a9040f81538e

    • SHA1

      7287e802614f21de27ddb83b7d212de7f1829e22

    • SHA256

      d0bfb34dd258ddb7dd879faf1e979e1e75a266d63d6eff9036851582fb5930a4

    • SHA512

      8fd9fc6f5e53860200fa0ea6de680b78a59c4fa89e597df037d4b7d2313583592361374ce9ecf4a5832fd605566fb0360b6eadc08e5254114cc9ac6950c04e85

    • SSDEEP

      98304:OEpplnHtsXBeP4wiU7QiK8cOnKxatfUeWV7sxoGa7cRwMAQDEbUoK8wyDX8vo+Z:PpplqXBewwTl5K7D7swAEbUoKOGo

    • Amadey

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

    • Amadey family

    • Stealc

      Stealc is an infostealer written in C++.

    • Stealc family

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

    • Blocklisted process makes network request

    • Command and Scripting Interpreter: PowerShell

      Using powershell.exe command.

    • 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.

    • 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

MITRE ATT&CK Enterprise v15

Tasks