General

  • Target

    file.exe

  • Size

    1.7MB

  • Sample

    241126-k3wdbs1kep

  • MD5

    e7423cd132a8b0550213c0fb9175ae31

  • SHA1

    378d1048fecb53673ea33b910ae2d8ae08e578a5

  • SHA256

    a80a31d0c26650521c50df60611832e214a9fde86a8eae0ca3d05356ae9e0e63

  • SHA512

    7f35984008878a5bbbdca9ba891304720669f631ec6f4560dbf148bcbabc61434502a0313bed93eeeaf01691335732a06b70c7b8a228d4f6946419910ee0bb73

  • SSDEEP

    49152:woefc2gUyHcqm0QD22qg/5LKI75mJKqkwKIT:w5fcFUyHm0C221mIqz

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

      file.exe

    • Size

      1.7MB

    • MD5

      e7423cd132a8b0550213c0fb9175ae31

    • SHA1

      378d1048fecb53673ea33b910ae2d8ae08e578a5

    • SHA256

      a80a31d0c26650521c50df60611832e214a9fde86a8eae0ca3d05356ae9e0e63

    • SHA512

      7f35984008878a5bbbdca9ba891304720669f631ec6f4560dbf148bcbabc61434502a0313bed93eeeaf01691335732a06b70c7b8a228d4f6946419910ee0bb73

    • SSDEEP

      49152:woefc2gUyHcqm0QD22qg/5LKI75mJKqkwKIT:w5fcFUyHm0C221mIqz

    • Amadey

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

    • Amadey family

    • CryptBot

      CryptBot is a C++ stealer distributed widely in bundle with other software.

    • Cryptbot family

    • Detect Poverty Stealer Payload

    • Detects CryptBot payload

      CryptBot is a C++ stealer distributed widely in bundle with other software.

    • Modifies Windows Defender Real-time Protection settings

    • Poverty Stealer

      Poverty Stealer is a crypto and infostealer written in C++.

    • Povertystealer 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.

    • Windows security modification

    • 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

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v15

Tasks