General

  • Target

    f47d3157c8670a7461b36b9231748eb3e8be0a1e910030fb29a885f0e6462032

  • Size

    5.7MB

  • Sample

    250125-qlk4xstrdx

  • MD5

    136c199d25f87f5c586c910adebb36b0

  • SHA1

    136e31ef977f3b4a1d6633c12c74ef3b12078e14

  • SHA256

    f47d3157c8670a7461b36b9231748eb3e8be0a1e910030fb29a885f0e6462032

  • SHA512

    845c65589311f282460bd05b68db255b9eeb96b15b68711e9de76999b8ec4b35de2d1166148057edaeb52f184a43ed1e35d3584158088abc7d2d19b5962552eb

  • SSDEEP

    98304:/zUkfpoF5ixi8fIvjFgLYC8MFVVRj7c1m8qucgbkI+d/yr9m5kTbFnrqJNLJ9kD9:/Igpm5T8fIL1MplGidxKuLU7

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

      f47d3157c8670a7461b36b9231748eb3e8be0a1e910030fb29a885f0e6462032

    • Size

      5.7MB

    • MD5

      136c199d25f87f5c586c910adebb36b0

    • SHA1

      136e31ef977f3b4a1d6633c12c74ef3b12078e14

    • SHA256

      f47d3157c8670a7461b36b9231748eb3e8be0a1e910030fb29a885f0e6462032

    • SHA512

      845c65589311f282460bd05b68db255b9eeb96b15b68711e9de76999b8ec4b35de2d1166148057edaeb52f184a43ed1e35d3584158088abc7d2d19b5962552eb

    • SSDEEP

      98304:/zUkfpoF5ixi8fIvjFgLYC8MFVVRj7c1m8qucgbkI+d/yr9m5kTbFnrqJNLJ9kD9:/Igpm5T8fIL1MplGidxKuLU7

    • 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

      Run Powershell and hide display window.

    • 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