General

  • Target

    file.exe

  • Size

    2.9MB

  • Sample

    241214-zqe8xatqbx

  • MD5

    b2d635cd0d52ab71037418ae9af2ef35

  • SHA1

    c3d2b40b28462b999672410fb41851985e02f44d

  • SHA256

    9e50e178507bfcb2c061094e349182e01b5de9460ebdd4befd808f3d4efc78a8

  • SHA512

    eb1309a39a8e11f495123a98be02217a3263e29f3e4b5eaac50b59c5a38ce191858dc2144e9aa9e16d117bbbc5b9328d84577eaf500a6140408842a0ea9cb3bd

  • SSDEEP

    49152:BR/2myZcKDeGx+EAw25DD3icyyhQ96NwwzY3S775Jte:BRJyZcKDei+EAwaD3icZmqxzYi771e

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

xworm

C2

87.120.127.228:3512

Attributes
  • Install_directory

    %ProgramData%

  • install_file

    servicesw.exe

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

https://tacitglibbr.biz/api

https://impend-differ.biz/api

https://print-vexer.biz/api

https://dare-curbys.biz/api

https://covery-mover.biz/api

https://formy-spill.biz/api

https://dwell-exclaim.biz/api

https://zinc-sneark.biz/api

https://se-blurry.biz/api

https://drive-connect.cyou/api

Extracted

Family

stealc

Botnet

stok

C2

http://185.215.113.206

Attributes
  • url_path

    /c4becf79229cb002.php

Extracted

Family

lumma

C2

https://tacitglibbr.biz/api

https://immureprech.biz/api

https://deafeninggeh.biz/api

https://drive-connect.cyou/api

Targets

    • Target

      file.exe

    • Size

      2.9MB

    • MD5

      b2d635cd0d52ab71037418ae9af2ef35

    • SHA1

      c3d2b40b28462b999672410fb41851985e02f44d

    • SHA256

      9e50e178507bfcb2c061094e349182e01b5de9460ebdd4befd808f3d4efc78a8

    • SHA512

      eb1309a39a8e11f495123a98be02217a3263e29f3e4b5eaac50b59c5a38ce191858dc2144e9aa9e16d117bbbc5b9328d84577eaf500a6140408842a0ea9cb3bd

    • SSDEEP

      49152:BR/2myZcKDeGx+EAw25DD3icyyhQ96NwwzY3S775Jte:BRJyZcKDei+EAwaD3icZmqxzYi771e

    • Amadey

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

    • Amadey family

    • Detect Xworm Payload

    • 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

    • Xmrig family

    • Xworm

      Xworm is a remote access trojan written in C#.

    • Xworm family

    • xmrig

      XMRig is a high performance, open source, cross platform CPU/GPU miner.

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

    • XMRig Miner payload

    • 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

    • Sets service image path in registry

    • 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

    • Event Triggered Execution: Component Object Model Hijacking

      Adversaries may establish persistence by executing malicious content triggered by hijacked references to Component Object Model (COM) objects.

    • 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.

    • Enumerates connected drives

      Attempts to read the root path of hard drives other than the default C: drive.

    • 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.

    • Boot or Logon Autostart Execution: Authentication Package

      Suspicious Windows Authentication Registry Modification.

    • 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