General

  • Target

    8b1fbd75e6fcdf963260148537cae0d876130656c343518a5d7623937d4f0881

  • Size

    1.7MB

  • Sample

    241121-vpp99sykcj

  • MD5

    af00fae5bf606001c0c6ef0b98fb54d0

  • SHA1

    a24fe73ec0b2d0190d3f6f068ca3c13a6cde4fd3

  • SHA256

    8b1fbd75e6fcdf963260148537cae0d876130656c343518a5d7623937d4f0881

  • SHA512

    e08d6691ed7092e2f569391ef89c6b3528630ff449372b064e06ebde2e7de482517e7407c81ce75a190d74936c64a0c31f5acc23efeffe6f54622184f780a5bc

  • SSDEEP

    24576:fVIhhuGqyQIrSITgOIubNQb6KAnOMK0HKKEfbULhQmo1936905EnoK5RLSEzqt9v:uh8IrZhrO2KAnOMg5fbULhQmo19Cnqb

Malware Config

Extracted

Family

stealc

Botnet

mars

C2

http://185.215.113.206

Attributes
  • url_path

    /c4becf79229cb002.php

Extracted

Family

amadey

Version

4.42

Botnet

9c9aa5

C2

http://185.215.113.43

Attributes
  • install_dir

    abc3bc1985

  • install_file

    skotes.exe

  • strings_key

    8a35cf2ea38c2817dba29a4b5b25dcf0

  • url_paths

    /Zu7JuNko/index.php

rc4.plain

Targets

    • Target

      8b1fbd75e6fcdf963260148537cae0d876130656c343518a5d7623937d4f0881

    • Size

      1.7MB

    • MD5

      af00fae5bf606001c0c6ef0b98fb54d0

    • SHA1

      a24fe73ec0b2d0190d3f6f068ca3c13a6cde4fd3

    • SHA256

      8b1fbd75e6fcdf963260148537cae0d876130656c343518a5d7623937d4f0881

    • SHA512

      e08d6691ed7092e2f569391ef89c6b3528630ff449372b064e06ebde2e7de482517e7407c81ce75a190d74936c64a0c31f5acc23efeffe6f54622184f780a5bc

    • SSDEEP

      24576:fVIhhuGqyQIrSITgOIubNQb6KAnOMK0HKKEfbULhQmo1936905EnoK5RLSEzqt9v:uh8IrZhrO2KAnOMg5fbULhQmo19Cnqb

    • Amadey

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

    • Amadey family

    • Stealc

      Stealc is an infostealer written in C++.

    • Stealc family

    • Identifies VirtualBox via ACPI registry values (likely anti-VM)

    • Downloads MZ/PE file

    • Uses browser remote debugging

      Can be used control the browser and steal sensitive information such as credentials and session cookies.

    • 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