General

  • Target

    3a04b35b6da202ea6feed5086cb4650aca66af6e21e7b81cd58e46371dea2fbe

  • Size

    7.0MB

  • Sample

    250126-cntbeszmbr

  • MD5

    5763387d4b0ee5176988c00103f99006

  • SHA1

    639a700bbc6e5abca13f193bb97ffb69834c5cf5

  • SHA256

    3a04b35b6da202ea6feed5086cb4650aca66af6e21e7b81cd58e46371dea2fbe

  • SHA512

    30748a1f037be9eb7b8ec473dff41609c19c7fa74d108cd0bdeaff53b7573da64bdd407d9e85a47342d4d70cfdc5ae9e665e2fc9fd252da4f3b9afd9a164cd66

  • SSDEEP

    196608:KLGCu5pfaTXbCjDtf4acJ13pX06qVA/rBOWu:KLGCuMqgPFpXdq0

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

brat

C2

http://185.215.113.206

Attributes
  • url_path

    /c4becf79229cb002.php

Targets

    • Target

      3a04b35b6da202ea6feed5086cb4650aca66af6e21e7b81cd58e46371dea2fbe

    • Size

      7.0MB

    • MD5

      5763387d4b0ee5176988c00103f99006

    • SHA1

      639a700bbc6e5abca13f193bb97ffb69834c5cf5

    • SHA256

      3a04b35b6da202ea6feed5086cb4650aca66af6e21e7b81cd58e46371dea2fbe

    • SHA512

      30748a1f037be9eb7b8ec473dff41609c19c7fa74d108cd0bdeaff53b7573da64bdd407d9e85a47342d4d70cfdc5ae9e665e2fc9fd252da4f3b9afd9a164cd66

    • SSDEEP

      196608:KLGCu5pfaTXbCjDtf4acJ13pX06qVA/rBOWu:KLGCuMqgPFpXdq0

    • Amadey

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

    • Amadey family

    • Detects Healer an antivirus disabler dropper

    • Healer

      Healer an antivirus disabler dropper.

    • Healer family

    • Modifies Windows Defender DisableAntiSpyware settings

    • Modifies Windows Defender Real-time Protection settings

    • Modifies Windows Defender TamperProtection settings

    • Modifies Windows Defender notification settings

    • Stealc

      Stealc is an infostealer written in C++.

    • Stealc family

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

    • 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.

    • Windows security modification

    • 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