General

  • Target

    file.exe

  • Size

    2.7MB

  • Sample

    240917-xbrbhsycmd

  • MD5

    712279324419025ee63fc94a1ccf6f20

  • SHA1

    df98f1100742652660c143fee112ae654e656e77

  • SHA256

    be7f24935fd8d815798b138fe873d29fd4502687bf4606c5b750696034dc6beb

  • SHA512

    7de01645dfc0d5ac94f155bc6998a1391a5a05ce1c092015dcbe0d9083e914a2fc502f305c29de9d3b8e4058339c4f8deab14abe68cad9545283d9d0e0eeec71

  • SSDEEP

    49152:MXM2c//pSy7J1QbBduDGqTAgs86cyRQQSg:D/pSy7JGBgy+B

Malware Config

Extracted

Family

stealc

Botnet

rave

C2

http://185.215.113.103

Attributes
  • url_path

    /e2b1563c6670f193.php

Extracted

Family

amadey

Version

4.41

Botnet

c7817d

C2

http://31.41.244.10

Attributes
  • install_dir

    0e8d0864aa

  • install_file

    svoutse.exe

  • strings_key

    5481b88a6ef75bcf21333988a4e47048

  • url_paths

    /Dem7kTu/index.php

rc4.plain

Targets

    • Target

      file.exe

    • Size

      2.7MB

    • MD5

      712279324419025ee63fc94a1ccf6f20

    • SHA1

      df98f1100742652660c143fee112ae654e656e77

    • SHA256

      be7f24935fd8d815798b138fe873d29fd4502687bf4606c5b750696034dc6beb

    • SHA512

      7de01645dfc0d5ac94f155bc6998a1391a5a05ce1c092015dcbe0d9083e914a2fc502f305c29de9d3b8e4058339c4f8deab14abe68cad9545283d9d0e0eeec71

    • SSDEEP

      49152:MXM2c//pSy7J1QbBduDGqTAgs86cyRQQSg:D/pSy7JGBgy+B

    • Amadey

      Amadey bot is a simple trojan bot primarily used for collecting reconnaissance information.

    • 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.

    • Executes dropped EXE

    • 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

    • Adds Run key to start application

    • Checks installed software on the system

      Looks up Uninstall key entries in the registry to enumerate software on the system.

    • AutoIT Executable

      AutoIT scripts compiled to PE executables.

    • Suspicious use of NtSetInformationThreadHideFromDebugger

MITRE ATT&CK Enterprise v15

Tasks