General

  • Target

    185df2ce9b94a1ff9df3a2559d73c26c6ca33fce80ae512f78e351760a766936

  • Size

    2.8MB

  • Sample

    240919-2fmw4svbrp

  • MD5

    21b2fe1f1ed5ff815bfdecc808972ae6

  • SHA1

    27c02e1f69985fc059de8ed1b01b6de2076af55d

  • SHA256

    185df2ce9b94a1ff9df3a2559d73c26c6ca33fce80ae512f78e351760a766936

  • SHA512

    1f9fdf8b6553e51e76164a21d79cdb4a8af5252cc1716ce0757176f9ed41ef0e0e171d156324a077ab56476847121ae1d5069c9f4ad49f9a1d0cb75e2e903cb2

  • SSDEEP

    49152:J9OonUhLfxiu9+Rfdw/6PoeWt5zQKH4T8VONvugjZ:J9Oon2Lfxiu9+Rfdw93t5V4gVOpugjZ

Malware Config

Extracted

Family

stealc

Botnet

rave

C2

http://185.215.113.103

Attributes
  • url_path

    /e2b1563c6670f193.php

Targets

    • Target

      185df2ce9b94a1ff9df3a2559d73c26c6ca33fce80ae512f78e351760a766936

    • Size

      2.8MB

    • MD5

      21b2fe1f1ed5ff815bfdecc808972ae6

    • SHA1

      27c02e1f69985fc059de8ed1b01b6de2076af55d

    • SHA256

      185df2ce9b94a1ff9df3a2559d73c26c6ca33fce80ae512f78e351760a766936

    • SHA512

      1f9fdf8b6553e51e76164a21d79cdb4a8af5252cc1716ce0757176f9ed41ef0e0e171d156324a077ab56476847121ae1d5069c9f4ad49f9a1d0cb75e2e903cb2

    • SSDEEP

      49152:J9OonUhLfxiu9+Rfdw/6PoeWt5zQKH4T8VONvugjZ:J9Oon2Lfxiu9+Rfdw93t5V4gVOpugjZ

    • 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.

    • 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

    • 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