General

  • Target

    file.exe

  • Size

    1.7MB

  • Sample

    241202-z7a1hsyran

  • MD5

    aaf97a006916fda6d6a7e4f83d4b6e82

  • SHA1

    85b798c05b0e09cd1bb63c15ab6a20c341a8fdd9

  • SHA256

    2cd6ecd99b8db19c7e39d220b2054d30017a7d9898e8d709d81600903db16064

  • SHA512

    f266d8349c26039a6b00eef266a68e8a1b0019d8874612a35914e45a52939e7c74eb080e344a5c7ce82a475ddc52dfb10f609f007c51bf03bf83afd51c95adf0

  • SSDEEP

    24576:wZNS+pAZYFYUz0gFYTo1J9f6aMCK07DwuPCuttAzc7hTDdaFGaIRwxoElu2Gqwll:wZeuFxCo1J9f67C/Cbc1dI4wZuGA

Malware Config

Extracted

Family

stealc

Botnet

drum

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

      aaf97a006916fda6d6a7e4f83d4b6e82

    • SHA1

      85b798c05b0e09cd1bb63c15ab6a20c341a8fdd9

    • SHA256

      2cd6ecd99b8db19c7e39d220b2054d30017a7d9898e8d709d81600903db16064

    • SHA512

      f266d8349c26039a6b00eef266a68e8a1b0019d8874612a35914e45a52939e7c74eb080e344a5c7ce82a475ddc52dfb10f609f007c51bf03bf83afd51c95adf0

    • SSDEEP

      24576:wZNS+pAZYFYUz0gFYTo1J9f6aMCK07DwuPCuttAzc7hTDdaFGaIRwxoElu2Gqwll:wZeuFxCo1J9f67C/Cbc1dI4wZuGA

    • 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

    • Checks installed software on the system

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

    • Looks up external IP address via web service

      Uses a legitimate IP lookup service to find the infected system's external IP.

    • Drops file in System32 directory

    • Suspicious use of NtSetInformationThreadHideFromDebugger

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v15

Tasks