General

  • Target

    98253e05db4faa3ad05aa1843e880710N.exe

  • Size

    1.8MB

  • Sample

    240807-ky6y9swdjn

  • MD5

    98253e05db4faa3ad05aa1843e880710

  • SHA1

    04a419c2d23b65775328cc8e897e5357ec1e5938

  • SHA256

    4358fd7c8502eb3007a60e97f42315dda81c8dda507e3e0913608bf643d6c9bd

  • SHA512

    9f8ece8a4fb78968fe066c98587ea5dc8632b3da901e3e01acd373930690dd456965889f6c62a060a31fb474938f33bf2ac435867f7e0ac67e0a8a01e66ff966

  • SSDEEP

    49152:kq13YiUJ+me6wlLB4cXZe2EmesjII2IdS8/YyjFy:kO3YPgDvl46guHjIpUD

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

default

C2

http://185.215.113.24

Attributes
  • url_path

    /e2b1563c6670f193.php

Targets

    • Target

      98253e05db4faa3ad05aa1843e880710N.exe

    • Size

      1.8MB

    • MD5

      98253e05db4faa3ad05aa1843e880710

    • SHA1

      04a419c2d23b65775328cc8e897e5357ec1e5938

    • SHA256

      4358fd7c8502eb3007a60e97f42315dda81c8dda507e3e0913608bf643d6c9bd

    • SHA512

      9f8ece8a4fb78968fe066c98587ea5dc8632b3da901e3e01acd373930690dd456965889f6c62a060a31fb474938f33bf2ac435867f7e0ac67e0a8a01e66ff966

    • SSDEEP

      49152:kq13YiUJ+me6wlLB4cXZe2EmesjII2IdS8/YyjFy:kO3YPgDvl46guHjIpUD

    • Amadey

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

    • Buer

      Buer is a new modular loader first seen in August 2019.

    • 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.

    • Loads dropped DLL

    • Reads data files stored by FTP clients

      Tries to access configuration files associated with programs like FileZilla.

    • Reads user/profile data of web browsers

      Infostealers often target stored browser data, which can include saved credentials etc.

    • Unsecured Credentials: Credentials In Files

      Steal credentials from unsecured files.

    • Accesses cryptocurrency files/wallets, possible credential harvesting

    • 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.

    • AutoIT Executable

      AutoIT scripts compiled to PE executables.

    • Suspicious use of NtSetInformationThreadHideFromDebugger

MITRE ATT&CK Enterprise v15

Tasks