General

  • Target

    83e6fed97dce98d0c251582de36aedc7ec0c092bcec9b53e42768766135fdbb7

  • Size

    2.0MB

  • Sample

    250211-1nfmbssqbk

  • MD5

    852a4f9bc29a3959aca962d5213c4868

  • SHA1

    4e92397a31a828a2888922ba562c747a4e835adf

  • SHA256

    83e6fed97dce98d0c251582de36aedc7ec0c092bcec9b53e42768766135fdbb7

  • SHA512

    3a9dd4f3a378bb4ba028abf9782c85cef5dc765530d5fe6b93cd0a296e1558cdaa7d79a8357229e856afed99f6b5981a5b1791ed4ff772d82ccf6921de781801

  • SSDEEP

    49152:QZp1aOQ+k5iqKSVaLNq8sBFpuVGv7uaZsKWd8:4pnQ+k5cSONpsBFtv7uA

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

Targets

    • Target

      83e6fed97dce98d0c251582de36aedc7ec0c092bcec9b53e42768766135fdbb7

    • Size

      2.0MB

    • MD5

      852a4f9bc29a3959aca962d5213c4868

    • SHA1

      4e92397a31a828a2888922ba562c747a4e835adf

    • SHA256

      83e6fed97dce98d0c251582de36aedc7ec0c092bcec9b53e42768766135fdbb7

    • SHA512

      3a9dd4f3a378bb4ba028abf9782c85cef5dc765530d5fe6b93cd0a296e1558cdaa7d79a8357229e856afed99f6b5981a5b1791ed4ff772d82ccf6921de781801

    • SSDEEP

      49152:QZp1aOQ+k5iqKSVaLNq8sBFpuVGv7uaZsKWd8:4pnQ+k5cSONpsBFtv7uA

    • Amadey

      Amadey bot is a simple trojan bot primarily used for collecting reconnaissance information.

    • Amadey family

    • Detects Rhadamanthys payload

    • Rhadamanthys

      Rhadamanthys is an info stealer written in C++ first seen in August 2022.

    • Rhadamanthys family

    • Suspicious use of NtCreateUserProcessOtherParentProcess

    • Identifies VirtualBox via ACPI registry values (likely anti-VM)

    • Downloads MZ/PE file

    • Modifies Windows Firewall

    • Uses browser remote debugging

      Can be used control the browser and steal sensitive information such as credentials and session cookies.

    • .NET Reactor proctector

      Detects an executable protected by an unregistered version of Eziriz's .NET Reactor.

    • 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 local email clients

      Email clients store some user data on disk where infostealers will often target it.

    • 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.

    • Accesses cryptocurrency files/wallets, possible credential harvesting

    • Checks installed software on the system

      Looks up Uninstall key entries in the registry to enumerate software on the system.

    • Enumerates connected drives

      Attempts to read the root path of hard drives other than the default C: drive.

    • Enumerates processes with tasklist

    • Suspicious use of NtSetInformationThreadHideFromDebugger

    • Suspicious use of SetThreadContext

    • UPX packed file

      Detects executables packed with UPX/modified UPX open source packer.

MITRE ATT&CK Enterprise v15

Tasks