General

  • Target

    runtime.exe

  • Size

    44KB

  • Sample

    240909-jm914szhlg

  • MD5

    b73cf29c0ea647c353e4771f0697c41f

  • SHA1

    3e5339b80dcfbdc80d946fc630c657654ef58de7

  • SHA256

    edd76f144bbdbfc060f7cb7e19863f89eb55863efc1a913561d812083b6306cd

  • SHA512

    2274d4c1e0ef72dc7e73b977e315ddd5472ec35a52e3449b1f6b87336ee18ff8966fed0451d19d24293fde101e0c231a3caa08b7bd0047a18a41466c2525e2e8

  • SSDEEP

    768:fcbuPx+zgDwfIH/335cJX2om4VQRIEvmg5+FOKo5h:flxT1H/335C2ozVQRItgMF4h

Malware Config

Extracted

Family

amadey

Version

4.41

Botnet

1176f2

C2

http://185.215.113.19

Attributes
  • install_dir

    417fd29867

  • install_file

    ednfoki.exe

  • strings_key

    183201dc3defc4394182b4bff63c4065

  • url_paths

    /CoreOPT/index.php

rc4.plain

Extracted

Family

xworm

C2

exonic-hacks.com:1920

Attributes
  • Install_directory

    %Userprofile%

  • install_file

    Windows.exe

Targets

    • Target

      runtime.exe

    • Size

      44KB

    • MD5

      b73cf29c0ea647c353e4771f0697c41f

    • SHA1

      3e5339b80dcfbdc80d946fc630c657654ef58de7

    • SHA256

      edd76f144bbdbfc060f7cb7e19863f89eb55863efc1a913561d812083b6306cd

    • SHA512

      2274d4c1e0ef72dc7e73b977e315ddd5472ec35a52e3449b1f6b87336ee18ff8966fed0451d19d24293fde101e0c231a3caa08b7bd0047a18a41466c2525e2e8

    • SSDEEP

      768:fcbuPx+zgDwfIH/335cJX2om4VQRIEvmg5+FOKo5h:flxT1H/335C2ozVQRItgMF4h

    • Amadey

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

    • Contains code to disable Windows Defender

      A .NET executable tasked with disabling Windows Defender capabilities such as realtime monitoring, blocking at first seen, etc.

    • Detect Xworm Payload

    • StormKitty

      StormKitty is an open source info stealer written in C#.

    • StormKitty payload

    • Xworm

      Xworm is a remote access trojan written in C#.

    • Credentials from Password Stores: Credentials from Web Browsers

      Malicious Access or copy of Web Browser Credential store.

    • Command and Scripting Interpreter: PowerShell

      Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.

    • Downloads MZ/PE file

    • Checks computer location settings

      Looks up country code configured in the registry, likely geofence.

    • Drops startup file

    • Executes dropped EXE

    • Reads user/profile data of web browsers

      Infostealers often target stored browser data, which can include saved credentials etc.

    • Accesses cryptocurrency files/wallets, possible credential harvesting

    • 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.

    • Looks up external IP address via web service

      Uses a legitimate IP lookup service to find the infected system's external IP.

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v15

Tasks