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General

  • Target

    file.exe

  • Size

    1.8MB

  • Sample

    241122-efyx2stpey

  • MD5

    60f886c3617266309ac54c0775b86a1e

  • SHA1

    41f813ff0d3455bd4edc34770c6b96066a35ad8c

  • SHA256

    ff7b32c4800fb94bfd1cd6b2380b85009a9655a4f7018d117e3285f9d5b2986f

  • SHA512

    658b6db64dc96a1212fec4bda02beaeb0a41a29c5fb89a854a15999ba0e632754a9fa5ab647084dec78b6d757318d6a7917c19e7e3ef1cc66789d02e6bf4e097

  • SSDEEP

    49152:bqzY90Y24zHWuK0C7RmyKQ1LpxWST1EUtdIrXd4BjjI:OqCUC7Rv7sSWUnIrtmfI

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
1
006700e5a2ab05704bbb0c589b88924d

Extracted

Family

stealc

Botnet

mars

C2

http://185.215.113.206

Attributes
  • url_path

    /c4becf79229cb002.php

Targets

    • Target

      file.exe

    • Size

      1.8MB

    • MD5

      60f886c3617266309ac54c0775b86a1e

    • SHA1

      41f813ff0d3455bd4edc34770c6b96066a35ad8c

    • SHA256

      ff7b32c4800fb94bfd1cd6b2380b85009a9655a4f7018d117e3285f9d5b2986f

    • SHA512

      658b6db64dc96a1212fec4bda02beaeb0a41a29c5fb89a854a15999ba0e632754a9fa5ab647084dec78b6d757318d6a7917c19e7e3ef1cc66789d02e6bf4e097

    • SSDEEP

      49152:bqzY90Y24zHWuK0C7RmyKQ1LpxWST1EUtdIrXd4BjjI:OqCUC7Rv7sSWUnIrtmfI

    • 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.

    • Suspicious use of NtSetInformationThreadHideFromDebugger

MITRE ATT&CK Enterprise v15

Tasks

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