General

  • Target

    841e3ab686e632551e2229d68366490832987ab47d308c54f6817f3e13a5ff52.exe

  • Size

    1.7MB

  • Sample

    241120-df63zszdql

  • MD5

    b3cec29dfcc248bc4f4f33ff5ba14470

  • SHA1

    389dc1f719b34841eaa55c8e81ce0f773fea3acf

  • SHA256

    841e3ab686e632551e2229d68366490832987ab47d308c54f6817f3e13a5ff52

  • SHA512

    85803678ee823025990a8377b0b51335be58365bc1fcabff37e4ed1330b93438bbbb94e40908f3ccaea4631ba5d155d0391198ee3639630bd981cfedfdc5828a

  • SSDEEP

    49152:eZVwZPBu0P7eKyJFw0RfC4xtyZZ3z5Xz+lQQCf2cj9:eV+PBbLdCbDY3t2HG

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

      841e3ab686e632551e2229d68366490832987ab47d308c54f6817f3e13a5ff52.exe

    • Size

      1.7MB

    • MD5

      b3cec29dfcc248bc4f4f33ff5ba14470

    • SHA1

      389dc1f719b34841eaa55c8e81ce0f773fea3acf

    • SHA256

      841e3ab686e632551e2229d68366490832987ab47d308c54f6817f3e13a5ff52

    • SHA512

      85803678ee823025990a8377b0b51335be58365bc1fcabff37e4ed1330b93438bbbb94e40908f3ccaea4631ba5d155d0391198ee3639630bd981cfedfdc5828a

    • SSDEEP

      49152:eZVwZPBu0P7eKyJFw0RfC4xtyZZ3z5Xz+lQQCf2cj9:eV+PBbLdCbDY3t2HG

    • 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

    • Detects CryptBot payload

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

    • Modifies Windows Defender Real-time Protection settings

    • 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

MITRE ATT&CK Enterprise v15

Tasks