General

  • Target

    file.exe

  • Size

    1.7MB

  • Sample

    241126-htr87swrar

  • MD5

    39150cb5924999ed343818b23d52319f

  • SHA1

    5e32677c6eb3e4abd9400645e5c79601e3379964

  • SHA256

    a02e0441ef8f1c4768bf648c73f2a3210828a6f62836acbf73a3c93bae91747a

  • SHA512

    c0d48d9a6fe6cf508e800023b7aa76dfa85a337967ba2fc5a2e5b4c0060b00799d0ac2a5a41f7206f7ab4dd09606c4923a12f57c9e31ce31facc7d99394e32aa

  • SSDEEP

    49152:Cet9kKkybAPv/oSi8cDPZrmosVxWNU5M:/bHkyuHk8czQos/UAM

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

      39150cb5924999ed343818b23d52319f

    • SHA1

      5e32677c6eb3e4abd9400645e5c79601e3379964

    • SHA256

      a02e0441ef8f1c4768bf648c73f2a3210828a6f62836acbf73a3c93bae91747a

    • SHA512

      c0d48d9a6fe6cf508e800023b7aa76dfa85a337967ba2fc5a2e5b4c0060b00799d0ac2a5a41f7206f7ab4dd09606c4923a12f57c9e31ce31facc7d99394e32aa

    • SSDEEP

      49152:Cet9kKkybAPv/oSi8cDPZrmosVxWNU5M:/bHkyuHk8czQos/UAM

    • 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

    • Suspicious use of NtCreateUserProcessOtherParentProcess

    • 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