General

  • Target

    file.exe

  • Size

    1.7MB

  • Sample

    241001-219avayfnh

  • MD5

    83cff6b913ca9f1badfd5d727507123f

  • SHA1

    553a2a65d02133826c7139d13346ee74c760ba14

  • SHA256

    5c6e0133b3ec87c5c062a9fe0132f0b1ac6bb1de63f4f5f2da8006d2075f849b

  • SHA512

    7e5b17f8b0c14a00543f7b95ce693e93908f19fb3b41020710136c9f34655cd3119cfd92c7ebd592d76e69338cbeb8a16ef11923369963d7cc02bd56f8e8b6a7

  • SSDEEP

    49152:A81fxm5gSUekOfa/NCobJNVmp/jxNY9CC3lI:Z1fxMHYNCUujxYCc

Malware Config

Extracted

Family

stealc

Botnet

doma

C2

http://185.215.113.37

Attributes
  • url_path

    /e2b1563c6670f193.php

Targets

    • Target

      file.exe

    • Size

      1.7MB

    • MD5

      83cff6b913ca9f1badfd5d727507123f

    • SHA1

      553a2a65d02133826c7139d13346ee74c760ba14

    • SHA256

      5c6e0133b3ec87c5c062a9fe0132f0b1ac6bb1de63f4f5f2da8006d2075f849b

    • SHA512

      7e5b17f8b0c14a00543f7b95ce693e93908f19fb3b41020710136c9f34655cd3119cfd92c7ebd592d76e69338cbeb8a16ef11923369963d7cc02bd56f8e8b6a7

    • SSDEEP

      49152:A81fxm5gSUekOfa/NCobJNVmp/jxNY9CC3lI:Z1fxMHYNCUujxYCc

    • Stealc

      Stealc is an infostealer written in C++.

    • 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