General

  • Target

    116854f209d06698e30c8c808d2719dfe2080bc93c117afded75921fdd394457

  • Size

    1.8MB

  • Sample

    240816-k4wqgszhlk

  • MD5

    bdfa4cd7ad016ffb80d0cedadffd8928

  • SHA1

    28fbf41c514dfcac06e59534aec31783098a0586

  • SHA256

    116854f209d06698e30c8c808d2719dfe2080bc93c117afded75921fdd394457

  • SHA512

    f80a4c5473462304625598d90040684e9854c5cc88d8a702a952a9ae734f16b6be1ff660ee572356a83eb6b1de85d90aef10c1a15d23248c7032ce577f14de95

  • SSDEEP

    49152:hJ+tyhCr4DpWZXuJa2kdvAfR368n51eqHAf6TZ/l:X+tqHNGi88Ik/

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

      116854f209d06698e30c8c808d2719dfe2080bc93c117afded75921fdd394457

    • Size

      1.8MB

    • MD5

      bdfa4cd7ad016ffb80d0cedadffd8928

    • SHA1

      28fbf41c514dfcac06e59534aec31783098a0586

    • SHA256

      116854f209d06698e30c8c808d2719dfe2080bc93c117afded75921fdd394457

    • SHA512

      f80a4c5473462304625598d90040684e9854c5cc88d8a702a952a9ae734f16b6be1ff660ee572356a83eb6b1de85d90aef10c1a15d23248c7032ce577f14de95

    • SSDEEP

      49152:hJ+tyhCr4DpWZXuJa2kdvAfR368n51eqHAf6TZ/l:X+tqHNGi88Ik/

    • 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.

    • 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

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v15

Tasks