General

  • Target

    file.exe

  • Size

    1.8MB

  • Sample

    241120-pbs64sxbnl

  • MD5

    ebe6de9be122d27057536193303f1f89

  • SHA1

    199b00d481006678f3a2db4902910a883be2f275

  • SHA256

    bace923f8be90bf0f398e9310d52723265e250651cb36115bc233ca3300160a6

  • SHA512

    c10afdf10124390958160a5fc5b2ac7eeaa3ed4705a8b4bba89aa1ac17128fa8979cf9081b1997a9d8a03ed6c2c756878da9a8b96162c84b1f3b52eab55ee5d8

  • SSDEEP

    49152:2IQaFswVmOsXVQ8VUoKKa7T2oJnBFuC9:2pa6UmHXV1U/Ka32SL1

Malware Config

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

Extracted

Family

stealc

Botnet

mars

C2

http://185.215.113.206

Attributes
  • url_path

    /c4becf79229cb002.php

Targets

    • Target

      file.exe

    • Size

      1.8MB

    • MD5

      ebe6de9be122d27057536193303f1f89

    • SHA1

      199b00d481006678f3a2db4902910a883be2f275

    • SHA256

      bace923f8be90bf0f398e9310d52723265e250651cb36115bc233ca3300160a6

    • SHA512

      c10afdf10124390958160a5fc5b2ac7eeaa3ed4705a8b4bba89aa1ac17128fa8979cf9081b1997a9d8a03ed6c2c756878da9a8b96162c84b1f3b52eab55ee5d8

    • SSDEEP

      49152:2IQaFswVmOsXVQ8VUoKKa7T2oJnBFuC9:2pa6UmHXV1U/Ka32SL1

    • 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.

    • Checks computer location settings

      Looks up country code configured in the registry, likely geofence.

    • 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 user/profile data of web browsers

      Infostealers often target stored browser data, which can include saved credentials etc.

    • Windows security modification

    • 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.

    • Enumerates processes with tasklist

    • Suspicious use of NtSetInformationThreadHideFromDebugger

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v15

Tasks