General

  • Target

    97ff6d62d89db8bc6052b771e0d7ca15601461b7ef746b0638db058812e56cb2

  • Size

    2.1MB

  • Sample

    250224-qnckkavks4

  • MD5

    a3ec4b44e7677c12a76bf51f45480133

  • SHA1

    15587b7a0420115e979461490689a79beca64118

  • SHA256

    97ff6d62d89db8bc6052b771e0d7ca15601461b7ef746b0638db058812e56cb2

  • SHA512

    4d1dfb16076f0fd17c2d6a0bfe221af69dda9bf7e75f82a13f64e5bd732ff56e7f42b36864b0e07c3ae78bcb459124e700640e03ba0a416121ae7146ea4bf075

  • SSDEEP

    49152:SIp7K7IffJNc+2H/ZL0M/mfnejq0aGhdM6rz8J:r9JNz2BLV+neu0aGLH

Malware Config

Extracted

Language
ps1
Deobfuscated
URLs
exe.dropper

http://185.215.113.16/defend/random.exe

Extracted

Language
ps1
Deobfuscated
URLs
exe.dropper

http://185.215.113.16/mine/random.exe

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

amadey

Version

5.21

Botnet

a4d2cd

C2

http://cobolrationumelawrtewarms.com

http://�������� jlgenfekjlfnvtgpegkwr.xyz

Attributes
  • install_dir

    a58456755d

  • install_file

    Gxtuum.exe

  • strings_key

    00fadbeacf092dfd58b48ef4ac68f826

  • url_paths

    /3ofn3jf3e2ljk/index.php

rc4.plain

Extracted

Family

systembc

C2

towerbingobongoboom.com

93.186.202.3

Attributes
  • dns

    5.132.191.104

Extracted

Language
ps1
Deobfuscated
URLs
exe.dropper

http://185.215.113.16/defend/random.exe

Targets

    • Target

      97ff6d62d89db8bc6052b771e0d7ca15601461b7ef746b0638db058812e56cb2

    • Size

      2.1MB

    • MD5

      a3ec4b44e7677c12a76bf51f45480133

    • SHA1

      15587b7a0420115e979461490689a79beca64118

    • SHA256

      97ff6d62d89db8bc6052b771e0d7ca15601461b7ef746b0638db058812e56cb2

    • SHA512

      4d1dfb16076f0fd17c2d6a0bfe221af69dda9bf7e75f82a13f64e5bd732ff56e7f42b36864b0e07c3ae78bcb459124e700640e03ba0a416121ae7146ea4bf075

    • SSDEEP

      49152:SIp7K7IffJNc+2H/ZL0M/mfnejq0aGhdM6rz8J:r9JNz2BLV+neu0aGLH

    • Amadey

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

    • Amadey family

    • Detect Vidar Stealer

    • Detects Healer an antivirus disabler dropper

    • GCleaner

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

    • Gcleaner family

    • Healer

      Healer an antivirus disabler dropper.

    • Healer family

    • Modifies Windows Defender DisableAntiSpyware settings

    • Modifies Windows Defender Real-time Protection settings

    • Modifies Windows Defender TamperProtection settings

    • Modifies Windows Defender notification settings

    • SystemBC

      SystemBC is a proxy and remote administration tool first seen in 2019.

    • Systembc family

    • Vidar

      Vidar is an infostealer based on Arkei stealer.

    • Vidar family

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

    • Blocklisted process makes network request

    • Command and Scripting Interpreter: PowerShell

      Using powershell.exe command.

    • Command and Scripting Interpreter: PowerShell

      Run Powershell and hide display window.

    • 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 data files stored by FTP clients

      Tries to access configuration files associated with programs like FileZilla.

    • Reads user/profile data of local email clients

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

    • Reads user/profile data of web browsers

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

    • Unsecured Credentials: Credentials In Files

      Steal credentials from unsecured files.

    • Windows security modification

    • 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.

    • AutoIT Executable

      AutoIT scripts compiled to PE executables.

    • Suspicious use of NtSetInformationThreadHideFromDebugger

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v15

Tasks