General

  • Target

    944754f7e7a1a78adcd634b032ef64f6feb99c3716e7c7c55f4bd203c2defc3b

  • Size

    2.7MB

  • Sample

    240919-2kq5bsvbqh

  • MD5

    49a0f58105b15585eafe81f380e5bf3c

  • SHA1

    dd9e1de64969bf032bfd72fe0b00714672b898da

  • SHA256

    944754f7e7a1a78adcd634b032ef64f6feb99c3716e7c7c55f4bd203c2defc3b

  • SHA512

    6472116c483c15eb102b70ad5da78f5b030ae1baac5ea7329612802f638df41659d13cc5fe0ed096c58a478c9ed63e978e59dde0d3e0a4eb85fd910a471191d6

  • SSDEEP

    49152:VMdtqN1Wae0/Hu0GsIkqVqJg6ky0onJiGmyjxzc6ecmLWAbI/:idtqN1Waewu0G9kqV+nJiGmyjxzcLcoq

Malware Config

Extracted

Family

stealc

Botnet

rave

C2

http://185.215.113.103

Attributes
  • url_path

    /e2b1563c6670f193.php

Targets

    • Target

      944754f7e7a1a78adcd634b032ef64f6feb99c3716e7c7c55f4bd203c2defc3b

    • Size

      2.7MB

    • MD5

      49a0f58105b15585eafe81f380e5bf3c

    • SHA1

      dd9e1de64969bf032bfd72fe0b00714672b898da

    • SHA256

      944754f7e7a1a78adcd634b032ef64f6feb99c3716e7c7c55f4bd203c2defc3b

    • SHA512

      6472116c483c15eb102b70ad5da78f5b030ae1baac5ea7329612802f638df41659d13cc5fe0ed096c58a478c9ed63e978e59dde0d3e0a4eb85fd910a471191d6

    • SSDEEP

      49152:VMdtqN1Wae0/Hu0GsIkqVqJg6ky0onJiGmyjxzc6ecmLWAbI/:idtqN1Waewu0G9kqV+nJiGmyjxzcLcoq

    • 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