General

  • Target

    file.exe

  • Size

    1.7MB

  • Sample

    241123-j5kh6s1phw

  • MD5

    9669088834eac5ce82390081d8ba345e

  • SHA1

    440930fb6eb8145f1faf1333b735541c93ba8486

  • SHA256

    099be17313be4a4d993d9491bd4c3153fec62299c8de01b32600e16a1b63cb25

  • SHA512

    79340656a33fa58f7e4fc59ddaf8db335895e1ed3a8accb451ee2a0b874d7758dd244db5c46ecf51edecbc45b2ca73f77b2535c5592464ba6e68ac0fa578898b

  • SSDEEP

    24576:M8ZtqtQUeQK5wHm3CZ7IFcLPDornR9QAOnKtmp522vqRqHvIe:9N5py5ImLP0ntOKYD2ijg

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

      9669088834eac5ce82390081d8ba345e

    • SHA1

      440930fb6eb8145f1faf1333b735541c93ba8486

    • SHA256

      099be17313be4a4d993d9491bd4c3153fec62299c8de01b32600e16a1b63cb25

    • SHA512

      79340656a33fa58f7e4fc59ddaf8db335895e1ed3a8accb451ee2a0b874d7758dd244db5c46ecf51edecbc45b2ca73f77b2535c5592464ba6e68ac0fa578898b

    • SSDEEP

      24576:M8ZtqtQUeQK5wHm3CZ7IFcLPDornR9QAOnKtmp522vqRqHvIe:9N5py5ImLP0ntOKYD2ijg

    • 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