General

  • Target

    479ab017e1026bbdd6da6e158c7ac8ce70857a31632722caa5d90c163b2a9009

  • Size

    2.7MB

  • Sample

    240921-y55xfa1gke

  • MD5

    50fe5f7713d832a9cc336d8604b2cd10

  • SHA1

    ec58dd0552af93fb7f00a58c978ea22e39c9f3d8

  • SHA256

    479ab017e1026bbdd6da6e158c7ac8ce70857a31632722caa5d90c163b2a9009

  • SHA512

    b6fca64f2a985371906779d137c64c228c5d2a1bb12fdb5067be68be6ae59a8dd43835706996d9936ded9e3eaec9ca7552c1924368473b1ff59371dd0ad250cd

  • SSDEEP

    49152:Y9OonUhLfxiu9+Rfdw/6PoeWt5zQKH4T8VONs:Y9Oon2Lfxiu9+Rfdw93t5V4gVO2

Malware Config

Extracted

Family

stealc

Botnet

rave

C2

http://185.215.113.103

Attributes
  • url_path

    /e2b1563c6670f193.php

Targets

    • Target

      479ab017e1026bbdd6da6e158c7ac8ce70857a31632722caa5d90c163b2a9009

    • Size

      2.7MB

    • MD5

      50fe5f7713d832a9cc336d8604b2cd10

    • SHA1

      ec58dd0552af93fb7f00a58c978ea22e39c9f3d8

    • SHA256

      479ab017e1026bbdd6da6e158c7ac8ce70857a31632722caa5d90c163b2a9009

    • SHA512

      b6fca64f2a985371906779d137c64c228c5d2a1bb12fdb5067be68be6ae59a8dd43835706996d9936ded9e3eaec9ca7552c1924368473b1ff59371dd0ad250cd

    • SSDEEP

      49152:Y9OonUhLfxiu9+Rfdw/6PoeWt5zQKH4T8VONs:Y9Oon2Lfxiu9+Rfdw93t5V4gVO2

    • 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.

    • Deletes itself

    • 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