General

  • Target

    1bf9d23d442e10a752d5ff0bac0fc06a679fe36f8c289ea9243f5c6d94bed687

  • Size

    1.8MB

  • Sample

    241122-zazydaykft

  • MD5

    fc60fac3b512854df25f9a62a8982b5f

  • SHA1

    55bdf77f2f4e613f2aaf0a3cc22fc2e68678ac7e

  • SHA256

    1bf9d23d442e10a752d5ff0bac0fc06a679fe36f8c289ea9243f5c6d94bed687

  • SHA512

    0603ef0b95cd18343686abf01d0dd7fd7f55693bdcc308fd50d9a66de65f6c25c3401b21fc73aa91a7e50e3217fe127071faa836425eb0b650621422ce26389b

  • SSDEEP

    24576:jSW/ofKP26CwSz/h3O2In5iOSCeRWwBuP/xD7LCSWSA2yJNjsu9yk5H0RhbB9XfB:jp/w6CjZO2U5iOSNRbBuhC7LqQHANlB

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

      1bf9d23d442e10a752d5ff0bac0fc06a679fe36f8c289ea9243f5c6d94bed687

    • Size

      1.8MB

    • MD5

      fc60fac3b512854df25f9a62a8982b5f

    • SHA1

      55bdf77f2f4e613f2aaf0a3cc22fc2e68678ac7e

    • SHA256

      1bf9d23d442e10a752d5ff0bac0fc06a679fe36f8c289ea9243f5c6d94bed687

    • SHA512

      0603ef0b95cd18343686abf01d0dd7fd7f55693bdcc308fd50d9a66de65f6c25c3401b21fc73aa91a7e50e3217fe127071faa836425eb0b650621422ce26389b

    • SSDEEP

      24576:jSW/ofKP26CwSz/h3O2In5iOSCeRWwBuP/xD7LCSWSA2yJNjsu9yk5H0RhbB9XfB:jp/w6CjZO2U5iOSNRbBuhC7LqQHANlB

    • 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