General

  • Target

    f3e3c4115bd289a528c02aae90a563e6b5dd6009e125d1fb142bcc7218cf068d.exe

  • Size

    2.8MB

  • Sample

    241220-kbcrxavlep

  • MD5

    0afe3bc3b68ddb4ebb3878a01a8bcd9a

  • SHA1

    aa25366b2677ee9e0029c3e12f9063742227fe1b

  • SHA256

    f3e3c4115bd289a528c02aae90a563e6b5dd6009e125d1fb142bcc7218cf068d

  • SHA512

    b8067a96567d3d73af408581a6b041758bcd77f8752d8a176a1253e978d832ced0e83f2775fb951f728ae06f11c6231171fe480ad454370116c47f45fbb52bab

  • SSDEEP

    24576:oW8IPnz3MNLz5g/oR+erMpAHuY7LGStg0Nn3WgCWED0CnO9lgJFbmK3Wj3zVK8bB:o5zlLrmStgq3WPRCOmAiZzr/9gcYK

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

stealc

Botnet

stok

C2

http://185.215.113.206

Attributes
  • url_path

    /c4becf79229cb002.php

Targets

    • Target

      f3e3c4115bd289a528c02aae90a563e6b5dd6009e125d1fb142bcc7218cf068d.exe

    • Size

      2.8MB

    • MD5

      0afe3bc3b68ddb4ebb3878a01a8bcd9a

    • SHA1

      aa25366b2677ee9e0029c3e12f9063742227fe1b

    • SHA256

      f3e3c4115bd289a528c02aae90a563e6b5dd6009e125d1fb142bcc7218cf068d

    • SHA512

      b8067a96567d3d73af408581a6b041758bcd77f8752d8a176a1253e978d832ced0e83f2775fb951f728ae06f11c6231171fe480ad454370116c47f45fbb52bab

    • SSDEEP

      24576:oW8IPnz3MNLz5g/oR+erMpAHuY7LGStg0Nn3WgCWED0CnO9lgJFbmK3Wj3zVK8bB:o5zlLrmStgq3WPRCOmAiZzr/9gcYK

    • Amadey

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

    • Amadey family

    • Detect Vidar Stealer

    • GCleaner

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

    • Gcleaner family

    • 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

    • Stealc

      Stealc is an infostealer written in C++.

    • Stealc family

    • 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.

    • Drops file in System32 directory

    • Suspicious use of NtSetInformationThreadHideFromDebugger

    • Suspicious use of SetThreadContext

    • UPX packed file

      Detects executables packed with UPX/modified UPX open source packer.

MITRE ATT&CK Enterprise v15

Tasks