General

  • Target

    f5ff8a614f7c4b46d0b1e60dc1b0af7a8ceedb2e96155d8848d74ff16e48d7a5

  • Size

    2.1MB

  • Sample

    250224-qxpaqavny2

  • MD5

    78ec3bb0db3cee811be50f99dd89e2fe

  • SHA1

    1ec0122be4458914a8b07c7b0bf34faf47d14c19

  • SHA256

    f5ff8a614f7c4b46d0b1e60dc1b0af7a8ceedb2e96155d8848d74ff16e48d7a5

  • SHA512

    d36b32948ad76a558bbb3dbcbbdfeb911f581ab59b4a7502c09e5b4479b0fe9976cd473870f7dd7717da5c2639817c9990388d39f42e712410533b04893da082

  • SSDEEP

    49152:72uYHCURuAzQUhgo6/9xe69ewmorXSm9WqV68OAyf:yDigfzZh2/1JL1WI6Bf

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

      f5ff8a614f7c4b46d0b1e60dc1b0af7a8ceedb2e96155d8848d74ff16e48d7a5

    • Size

      2.1MB

    • MD5

      78ec3bb0db3cee811be50f99dd89e2fe

    • SHA1

      1ec0122be4458914a8b07c7b0bf34faf47d14c19

    • SHA256

      f5ff8a614f7c4b46d0b1e60dc1b0af7a8ceedb2e96155d8848d74ff16e48d7a5

    • SHA512

      d36b32948ad76a558bbb3dbcbbdfeb911f581ab59b4a7502c09e5b4479b0fe9976cd473870f7dd7717da5c2639817c9990388d39f42e712410533b04893da082

    • SSDEEP

      49152:72uYHCURuAzQUhgo6/9xe69ewmorXSm9WqV68OAyf:yDigfzZh2/1JL1WI6Bf

    • 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

      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