General

  • Target

    625a809fbd5a74bf0a084034cca09bd347580fe5e93cce80db392cfc2a365865.exe

  • Size

    3.1MB

  • Sample

    241124-d3hnxasjhv

  • MD5

    9a60bc49b318e09ef6f3c4a3201cfbf9

  • SHA1

    940c75ffd50cc991b233f29c5136d1df8a02f433

  • SHA256

    625a809fbd5a74bf0a084034cca09bd347580fe5e93cce80db392cfc2a365865

  • SHA512

    c21f3af34786b0fe19d191cb780d63e4567d5415800ddef020d5a2a75f64f9280596bb5f98d57b51073d9cb74ed3b354458a87785dc4dfe880195da2ef4a7b37

  • SSDEEP

    98304:Eou0zuDl3DUcyQcN2k3/bk37CZ1Rdp39Hh:Eou0zuDl39LCZb3th

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

      625a809fbd5a74bf0a084034cca09bd347580fe5e93cce80db392cfc2a365865.exe

    • Size

      3.1MB

    • MD5

      9a60bc49b318e09ef6f3c4a3201cfbf9

    • SHA1

      940c75ffd50cc991b233f29c5136d1df8a02f433

    • SHA256

      625a809fbd5a74bf0a084034cca09bd347580fe5e93cce80db392cfc2a365865

    • SHA512

      c21f3af34786b0fe19d191cb780d63e4567d5415800ddef020d5a2a75f64f9280596bb5f98d57b51073d9cb74ed3b354458a87785dc4dfe880195da2ef4a7b37

    • SSDEEP

      98304:Eou0zuDl3DUcyQcN2k3/bk37CZ1Rdp39Hh:Eou0zuDl39LCZb3th

    • 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