General

  • Target

    37db0ea23cbe799519ef16df20fe5f4432687fc105e7a553255971947d65933c.exe

  • Size

    5.5MB

  • Sample

    250227-c4tbcs1yew

  • MD5

    b87174eb2b1afcdf9eccc2cb5b43e466

  • SHA1

    0d85c10a2d83eda5952e380a5d4a87fb0da3c328

  • SHA256

    37db0ea23cbe799519ef16df20fe5f4432687fc105e7a553255971947d65933c

  • SHA512

    103d48f579f72e520692ab66ee9a7a87b64dc324aeb0cc3ebdfe12ee5ff8cecebe7da859974b7500a39d6110ef2a136a05826b5fa50202267f19c5d0ec004eaf

  • SSDEEP

    98304:fwP/HO5KUM4TzBkL9cxQFe5BdrDXhMkC4ixAHHBkWG657G0otgyJj0tmm9XyfUbO:YP/E84mcxWAdPR6kGYmMyfUbFuN

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

reno

C2

http://185.215.113.115

Attributes
  • url_path

    /c4becf79229cb002.php

Targets

    • Target

      37db0ea23cbe799519ef16df20fe5f4432687fc105e7a553255971947d65933c.exe

    • Size

      5.5MB

    • MD5

      b87174eb2b1afcdf9eccc2cb5b43e466

    • SHA1

      0d85c10a2d83eda5952e380a5d4a87fb0da3c328

    • SHA256

      37db0ea23cbe799519ef16df20fe5f4432687fc105e7a553255971947d65933c

    • SHA512

      103d48f579f72e520692ab66ee9a7a87b64dc324aeb0cc3ebdfe12ee5ff8cecebe7da859974b7500a39d6110ef2a136a05826b5fa50202267f19c5d0ec004eaf

    • SSDEEP

      98304:fwP/HO5KUM4TzBkL9cxQFe5BdrDXhMkC4ixAHHBkWG657G0otgyJj0tmm9XyfUbO:YP/E84mcxWAdPR6kGYmMyfUbFuN

    • Amadey

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

    • Amadey family

    • Stealc

      Stealc is an infostealer written in C++.

    • Stealc family

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

    • 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.

    • Reads user/profile data of local email clients

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

    • 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.

    • Suspicious use of NtSetInformationThreadHideFromDebugger

MITRE ATT&CK Enterprise v15

Tasks