General

  • Target

    file.exe

  • Size

    1.7MB

  • Sample

    241002-zze99szgpd

  • MD5

    48d1da4a5abcc06e5b66eceb3358798b

  • SHA1

    ef7f178c14b591875355ef9b0d4b0cb70f4160ac

  • SHA256

    bbbf8e47190ac2362630096db0b05371e693bf298be7a8ec2a18179595521fec

  • SHA512

    f2ab6369c3e01ce332a85a967d6aa7a04f9fa03786e7c93db403bd38f1a893c4e4fccdb1094657219e9650ec4bc7d64ec0794f872d198f85c61fc1e07fd6a02b

  • SSDEEP

    24576:8b4CErELvMBwEwWTt3ylNFzfYg72jaZxLDDf++iJH6/WctKaD5EKWqdCMUNAqCNz:7XGvLtl3pCj4xLDDf6s/WkFJ/g5

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

      48d1da4a5abcc06e5b66eceb3358798b

    • SHA1

      ef7f178c14b591875355ef9b0d4b0cb70f4160ac

    • SHA256

      bbbf8e47190ac2362630096db0b05371e693bf298be7a8ec2a18179595521fec

    • SHA512

      f2ab6369c3e01ce332a85a967d6aa7a04f9fa03786e7c93db403bd38f1a893c4e4fccdb1094657219e9650ec4bc7d64ec0794f872d198f85c61fc1e07fd6a02b

    • SSDEEP

      24576:8b4CErELvMBwEwWTt3ylNFzfYg72jaZxLDDf++iJH6/WctKaD5EKWqdCMUNAqCNz:7XGvLtl3pCj4xLDDf6s/WkFJ/g5

    • 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