General

  • Target

    721c2d0df508e30dcbb98a0547dd6cea4e5d9a417221e194df7d621f90ff4afe

  • Size

    5.5MB

  • Sample

    250125-ygfmmszkam

  • MD5

    aae8af3dba65abddce47f23ba0aa6917

  • SHA1

    0e1209e0ee437fd9dd005e679d109c826f31273e

  • SHA256

    721c2d0df508e30dcbb98a0547dd6cea4e5d9a417221e194df7d621f90ff4afe

  • SHA512

    5432275197b1cd9970e2589079769526f697bfb081f15cc69e6aba87359230ee050c21fc10cb1a3a88475ef382827def1e3855832e6affec3420c11c2ebc0f33

  • SSDEEP

    98304:703zUu6GlCLudVsGdET1W7QF6J/SJgChj+04v4QmM3PxveZcJOFKCT4:7GUu6GlVnsGaUkeqJfs00D/xmZdBT

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

      721c2d0df508e30dcbb98a0547dd6cea4e5d9a417221e194df7d621f90ff4afe

    • Size

      5.5MB

    • MD5

      aae8af3dba65abddce47f23ba0aa6917

    • SHA1

      0e1209e0ee437fd9dd005e679d109c826f31273e

    • SHA256

      721c2d0df508e30dcbb98a0547dd6cea4e5d9a417221e194df7d621f90ff4afe

    • SHA512

      5432275197b1cd9970e2589079769526f697bfb081f15cc69e6aba87359230ee050c21fc10cb1a3a88475ef382827def1e3855832e6affec3420c11c2ebc0f33

    • SSDEEP

      98304:703zUu6GlCLudVsGdET1W7QF6J/SJgChj+04v4QmM3PxveZcJOFKCT4:7GUu6GlVnsGaUkeqJfs00D/xmZdBT

    • 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