General

  • Target

    a4c8487df15d27bad7699778b81dd6569c0b0e759bd0017f399b39cfa53bd1c5.exe

  • Size

    3.1MB

  • Sample

    250225-da1zsayns3

  • MD5

    d433e1dc943e6ea29d67cf72d2f6fecd

  • SHA1

    9964aa3e596d93673c4d84695dc94d6f1a9766cd

  • SHA256

    a4c8487df15d27bad7699778b81dd6569c0b0e759bd0017f399b39cfa53bd1c5

  • SHA512

    caab39684638d71e901b2915313c618baba27c015b0fc52c7503eb714dd4f9068bfadd30cd2d3e240ec925b003e9535e12ffdd5db3a610fcd056032ea925ca43

  • SSDEEP

    49152:ilagvlzW0uVozFx0z+IVQu8jFa0gVdWo0M+4M:iFUVozFizVQnZarVdb+4M

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

      a4c8487df15d27bad7699778b81dd6569c0b0e759bd0017f399b39cfa53bd1c5.exe

    • Size

      3.1MB

    • MD5

      d433e1dc943e6ea29d67cf72d2f6fecd

    • SHA1

      9964aa3e596d93673c4d84695dc94d6f1a9766cd

    • SHA256

      a4c8487df15d27bad7699778b81dd6569c0b0e759bd0017f399b39cfa53bd1c5

    • SHA512

      caab39684638d71e901b2915313c618baba27c015b0fc52c7503eb714dd4f9068bfadd30cd2d3e240ec925b003e9535e12ffdd5db3a610fcd056032ea925ca43

    • SSDEEP

      49152:ilagvlzW0uVozFx0z+IVQu8jFa0gVdWo0M+4M:iFUVozFizVQnZarVdb+4M

    • Amadey

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

    • Amadey family

    • GCleaner

      GCleaner is a Pay-Per-Install malware loader first discovered in early 2019.

    • Gcleaner family

    • 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

    • Suspicious use of NtSetInformationThreadHideFromDebugger

MITRE ATT&CK Enterprise v15

Tasks