General

  • Target

    179992d6479d949123d3600593a6b17c9855c1404b5d4a695b73a5f4cbfcb034.exe

  • Size

    1.8MB

  • Sample

    250207-nxrpqsyrbz

  • MD5

    3f495468c486c894e0e85ba227862b93

  • SHA1

    ca913ba54f9e1ea51a3da11ce3c68621d480521e

  • SHA256

    179992d6479d949123d3600593a6b17c9855c1404b5d4a695b73a5f4cbfcb034

  • SHA512

    7dc8b4d74dd14555c9a67b6f8c2e497ac698895e333560f31f4c182d55ae8927b165329a78dfcd13d181b92b66a7b43abb33e07e11f8c9b651bfc0cde260f2f7

  • SSDEEP

    49152:dc3XN4Mg2yqtl9AraHiBsWFDZlLohG4Jje39n:dcNBPyqb3hWFvKfy39n

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

stealc

Botnet

reno

C2

http://185.215.113.115

Attributes
  • url_path

    /c4becf79229cb002.php

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://paleboreei.biz/api

https://cozyhomevpibes.cyou/api

https://rampnatleadk.click/api

Extracted

Language
ps1
Deobfuscated
URLs
exe.dropper

http://185.215.113.16/defend/random.exe

Extracted

Family

redline

Botnet

cheat

C2

103.84.89.222:33791

Extracted

Family

asyncrat

Version

0.5.8

Botnet

Default

C2

159.100.19.137:7707

Mutex

yBu0GW2G5zAc

Attributes
  • delay

    3

  • install

    false

  • install_file

    svchost.exe

  • install_folder

    %AppData%

aes.plain

Extracted

Family

vidar

C2

https://t.me/sok33tn

https://steamcommunity.com/profiles/76561199824159981

Attributes
  • user_agent

    Mozilla/5.0 (Macintosh; Intel Mac OS X 10.15; rv:136.0) Gecko/20100101 Firefox/136.0

Targets

    • Target

      179992d6479d949123d3600593a6b17c9855c1404b5d4a695b73a5f4cbfcb034.exe

    • Size

      1.8MB

    • MD5

      3f495468c486c894e0e85ba227862b93

    • SHA1

      ca913ba54f9e1ea51a3da11ce3c68621d480521e

    • SHA256

      179992d6479d949123d3600593a6b17c9855c1404b5d4a695b73a5f4cbfcb034

    • SHA512

      7dc8b4d74dd14555c9a67b6f8c2e497ac698895e333560f31f4c182d55ae8927b165329a78dfcd13d181b92b66a7b43abb33e07e11f8c9b651bfc0cde260f2f7

    • SSDEEP

      49152:dc3XN4Mg2yqtl9AraHiBsWFDZlLohG4Jje39n:dcNBPyqb3hWFvKfy39n

    • Amadey

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

    • Amadey family

    • AsyncRat

      AsyncRAT is designed to remotely monitor and control other computers written in C#.

    • Asyncrat 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

    • Lumma Stealer, LummaC

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

    • Lumma family

    • Modifies Windows Defender DisableAntiSpyware settings

    • Modifies Windows Defender Real-time Protection settings

    • Modifies Windows Defender TamperProtection settings

    • Modifies Windows Defender notification settings

    • RedLine

      RedLine Stealer is a malware family written in C#, first appearing in early 2020.

    • Redline family

    • SectopRAT

      SectopRAT is a remote access trojan first seen in November 2019.

    • SectopRAT payload

    • Sectoprat family

    • Stealc

      Stealc is an infostealer written in C++.

    • Stealc family

    • StormKitty

      StormKitty is an open source info stealer written in C#.

    • StormKitty payload

    • Stormkitty family

    • VenomRAT

      Detects VenomRAT.

    • Venomrat family

    • Vidar

      Vidar is an infostealer based on Arkei stealer.

    • Vidar family

    • Enumerates VirtualBox registry keys

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

    • Blocklisted process makes network request

    • Command and Scripting Interpreter: PowerShell

      Using powershell.exe command.

    • Downloads MZ/PE file

    • Uses browser remote debugging

      Can be used control the browser and steal sensitive information such as credentials and session cookies.

    • .NET Reactor proctector

      Detects an executable protected by an unregistered version of Eziriz's .NET Reactor.

    • 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.

    • Writes to the Master Boot Record (MBR)

      Bootkits write to the MBR to gain persistence at a level below the operating system.

    • AutoIT Executable

      AutoIT scripts compiled to PE executables.

    • Enumerates processes with tasklist

    • Suspicious use of NtSetInformationThreadHideFromDebugger

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v15

Tasks