General

  • Target

    e15cf45a152b8226f71615c032ad1550722362ddb39538e534d9c980db97f86c

  • Size

    1.8MB

  • Sample

    240815-yfwmgazfrb

  • MD5

    def3654e069f84ba23653a6bcbabfd8b

  • SHA1

    bb839c3ed200c0302b407e1e6ac9328a8af1384c

  • SHA256

    e15cf45a152b8226f71615c032ad1550722362ddb39538e534d9c980db97f86c

  • SHA512

    bb19c99650704e8f753617f0a9c44a192e71220b829bf59eec99671ea918d8933522e5951600ec540b44ed06cae4ee11cb4e74cdbf01f2ea67ef85d6cc2912d2

  • SSDEEP

    24576:kXpLxtX27M9BMFI/WQIWM6R+70qSlM9od9tQgDvRKO2yJLwrrVG7x/CEcP5JKBTJ:kjN85I/4WM4qSnv+gbQOxngEcRUzJt

Malware Config

Extracted

Family

amadey

Version

4.41

Botnet

0657d1

C2

http://185.215.113.19

Attributes
  • install_dir

    0d8f5eb8a7

  • install_file

    explorti.exe

  • strings_key

    6c55a5f34bb433fbd933a168577b1838

  • url_paths

    /Vi9leo/index.php

rc4.plain

Extracted

Family

stealc

Botnet

nord

C2

http://185.215.113.100

Attributes
  • url_path

    /e2b1563c6670f193.php

Extracted

Family

stealc

Botnet

kora

C2

http://185.215.113.100

Attributes
  • url_path

    /e2b1563c6670f193.php

Targets

    • Target

      e15cf45a152b8226f71615c032ad1550722362ddb39538e534d9c980db97f86c

    • Size

      1.8MB

    • MD5

      def3654e069f84ba23653a6bcbabfd8b

    • SHA1

      bb839c3ed200c0302b407e1e6ac9328a8af1384c

    • SHA256

      e15cf45a152b8226f71615c032ad1550722362ddb39538e534d9c980db97f86c

    • SHA512

      bb19c99650704e8f753617f0a9c44a192e71220b829bf59eec99671ea918d8933522e5951600ec540b44ed06cae4ee11cb4e74cdbf01f2ea67ef85d6cc2912d2

    • SSDEEP

      24576:kXpLxtX27M9BMFI/WQIWM6R+70qSlM9od9tQgDvRKO2yJLwrrVG7x/CEcP5JKBTJ:kjN85I/4WM4qSnv+gbQOxngEcRUzJt

    • Amadey

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

    • Stealc

      Stealc is an infostealer written in C++.

    • Credentials from Password Stores: Credentials from Web Browsers

      Malicious Access or copy of Web Browser Credential store.

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

    • Downloads MZ/PE file

    • 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

    • AutoIT Executable

      AutoIT scripts compiled to PE executables.

    • Suspicious use of NtSetInformationThreadHideFromDebugger

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v15

Tasks