General

  • Target

    241220-dn17psykfm_pw_infected.zip

  • Size

    1.7MB

  • Sample

    241220-d3s5msynfr

  • MD5

    903e3642f031ad6c4639cdd5cdcebf93

  • SHA1

    8249b478a072bbf719b22375c6dffa2cbbbab580

  • SHA256

    6180c898a763301d6df8892e9942ddde4f7f13095fdc4cf8091b94ae6248126d

  • SHA512

    903c257d044f2639f7841067c6cc8bd189ba6296778ebce3cfe9d23651996b1e2ec4750c7397dc15532906d7cad91a2169855d84ebb66ac89363843d53284672

  • SSDEEP

    49152:tuOwiXjmu0wjwuIGdVx00KHo2WTkm1VhBp6a9v22sIlrG:tuliZXjwGdVxRK/qz1Hb6Wv9sIlq

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

lumma

C2

https://sordid-snaked.cyou/api

https://awake-weaves.cyou/api

https://wrathful-jammy.cyou/api

https://debonairnukk.xyz/api

https://diffuculttan.xyz/api

https://effecterectz.xyz/api

https://deafeninggeh.biz/api

https://immureprech.biz/api

Extracted

Family

cryptbot

Targets

    • Target

      241220-dn17psykfm_pw_infected.zip

    • Size

      1.7MB

    • MD5

      903e3642f031ad6c4639cdd5cdcebf93

    • SHA1

      8249b478a072bbf719b22375c6dffa2cbbbab580

    • SHA256

      6180c898a763301d6df8892e9942ddde4f7f13095fdc4cf8091b94ae6248126d

    • SHA512

      903c257d044f2639f7841067c6cc8bd189ba6296778ebce3cfe9d23651996b1e2ec4750c7397dc15532906d7cad91a2169855d84ebb66ac89363843d53284672

    • SSDEEP

      49152:tuOwiXjmu0wjwuIGdVx00KHo2WTkm1VhBp6a9v22sIlrG:tuliZXjwGdVxRK/qz1Hb6Wv9sIlq

    • 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

    • Detect Vidar Stealer

    • Lumma Stealer, LummaC

      Lumma or LummaC is an infostealer written in C++ first seen in August 2022.

    • Lumma family

    • Modifies Windows Defender Real-time Protection settings

    • Suspicious use of NtCreateUserProcessOtherParentProcess

    • Vidar

      Vidar is an infostealer based on Arkei stealer.

    • Vidar family

    • Enumerates VirtualBox registry keys

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

    • 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 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.

    • Unsecured Credentials: Credentials In Files

      Steal credentials from unsecured files.

    • 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.

    • Legitimate hosting services abused for malware hosting/C2

    • AutoIT Executable

      AutoIT scripts compiled to PE executables.

    • Suspicious use of NtSetInformationThreadHideFromDebugger

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v15

Tasks