General

  • Target

    79e3c982bccb1dfc82910ab4a93080f1bb98f406e170751f118a6e49a0955e35

  • Size

    5.5MB

  • Sample

    250125-yldnvazlcp

  • MD5

    37dba1eb6b423de4bc99daa73ad84735

  • SHA1

    6e1857c13eff12a4af572ea4e0290774355bd068

  • SHA256

    79e3c982bccb1dfc82910ab4a93080f1bb98f406e170751f118a6e49a0955e35

  • SHA512

    2f80a10403e86fc25f0006398ff9c7710beaf981da15afcda9fae6a1e55b9aee194412223abd39462f8556e97f82fa977c1d076167b5fa30dd467db88783b053

  • SSDEEP

    98304:+D+rKebSGX1X+i6Uc2zB8EQd+Et/DSL5z7LQUVEmuMAFM/xQIwfh8w1q:9K2N0+Et+1XLQHmPaIO

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

      79e3c982bccb1dfc82910ab4a93080f1bb98f406e170751f118a6e49a0955e35

    • Size

      5.5MB

    • MD5

      37dba1eb6b423de4bc99daa73ad84735

    • SHA1

      6e1857c13eff12a4af572ea4e0290774355bd068

    • SHA256

      79e3c982bccb1dfc82910ab4a93080f1bb98f406e170751f118a6e49a0955e35

    • SHA512

      2f80a10403e86fc25f0006398ff9c7710beaf981da15afcda9fae6a1e55b9aee194412223abd39462f8556e97f82fa977c1d076167b5fa30dd467db88783b053

    • SSDEEP

      98304:+D+rKebSGX1X+i6Uc2zB8EQd+Et/DSL5z7LQUVEmuMAFM/xQIwfh8w1q:9K2N0+Et+1XLQHmPaIO

    • 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