General

  • Target

    42ee113ccf756a8e8950cb81a36558e707f20f59aef11401ca08269cce065c0f.exe

  • Size

    2.9MB

  • Sample

    241220-ermddszmhl

  • MD5

    b48526e3264a9ebf9ae221df76f8511e

  • SHA1

    51141f95d23355a1891b88e470b2c9a3e44ba92e

  • SHA256

    42ee113ccf756a8e8950cb81a36558e707f20f59aef11401ca08269cce065c0f

  • SHA512

    ad26656d29e916e06d26de91f0da8703c1f677bd369196e282f6e1eec3a0baca504a564607b4e6f7d18b8ac350428aaff01e2f39ccc435715526daaae1a0e100

  • SSDEEP

    49152:isilqKky+KMCXclIjF9ML4Im3AS7Vsu2yBxXQWxu58xdS:5iIKgKMCYO9ML+AS55BmWcY

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

      42ee113ccf756a8e8950cb81a36558e707f20f59aef11401ca08269cce065c0f.exe

    • Size

      2.9MB

    • MD5

      b48526e3264a9ebf9ae221df76f8511e

    • SHA1

      51141f95d23355a1891b88e470b2c9a3e44ba92e

    • SHA256

      42ee113ccf756a8e8950cb81a36558e707f20f59aef11401ca08269cce065c0f

    • SHA512

      ad26656d29e916e06d26de91f0da8703c1f677bd369196e282f6e1eec3a0baca504a564607b4e6f7d18b8ac350428aaff01e2f39ccc435715526daaae1a0e100

    • SSDEEP

      49152:isilqKky+KMCXclIjF9ML4Im3AS7Vsu2yBxXQWxu58xdS:5iIKgKMCYO9ML+AS55BmWcY

    • 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.

    • Drops startup file

    • 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

    • 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