Resubmissions

28/09/2026, 20:16

260928-y2j6katx4n10

28/09/2026, 20:16

260928-y19ptssgld

11/09/2026, 10:21

260911-mdxafavshs10

11/09/2026, 10:20

260911-mdjdksvsgx3

30/06/2026, 11:52

260630-n13w6set2q10

30/06/2026, 11:28

260630-nlgemadx8w10

29/06/2026, 18:47

260629-xfpy9ad16r10

29/06/2026, 18:22

260629-wzwqgadv7j10

28/06/2026, 07:51

260628-jp3d2sgs6r10

27/06/2026, 21:59

260627-1wjnysdz8j10

General

  • Target
    4363463463464363463463463.exe
  • Size 10KB
  • Sample260623-ketjtsbt2r
  • SHA256 2fcad226b17131da4274e1b9f8f31359bdd325c9568665f08fd1f6c5d06a23ce
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Extracted

Credentials
  • Protocol

    ftp

  • Host

    sanghyun.nfile.net

  • Port

    21

  • Username

    anonymous

  • Password

    qkdansror-!!

Extracted

Family
  • lumma

C2
  • https://wifeplasterbakewis.shop/api

  • https://mealplayerpreceodsju.shop/api

  • https://bordersoarmanusjuw.shop/api

  • https://suitcaseacanehalk.shop/api

  • https://absentconvicsjawun.shop/api

  • https://pushjellysingeywus.shop/api

  • https://economicscreateojsu.shop/api

  • https://entitlementappwo.shop/api

  • https://palmeventeryjusk.shop/api

Extracted

Family
  • xworm

Version
  • 3.1

C2
  • profile-indians.gl.at.ply.gg:39017

Attributes
  • Install_directory

    %AppData%

  • install_file

    USB.exe

Extracted

Family
  • quasar

Version
  • 1.4.1

Botnet
  • botnet

C2
  • 165.227.31.192:22069

  • 193.161.193.99:64425

  • 193.161.193.99:60470

Mutex
  • 713051d4-4ad4-4ad0-b2ed-4ddd8fe2349d

Attributes
  • encryption_key

    684009117DF150EF232A2EE8AE172085964C1CF0

  • install_name

    System.exe

  • key_salt

    bfeb1e56fbcd973bb219022430a57843003d5644d21e62b9d4f180e7e6c33941

  • log_directory

    Logs

  • reconnect_delay

    3000

  • startup_key

    Office

  • subdirectory

    Winrar

Extracted

Path
  • C:\Users\Admin\AppData\Local\Temp\Files\!Please Read Me!.txt

  • wannacry

Ransom Note
  • Q: What's wrong with my files? A: Ooops, your important files are encrypted. It means you will not be able to access them anymore until they are decrypted. If you follow our instructions we guarantee that you can decrypt all your files quickly and safely! Let's start decrypting! Q: What do I do? A: First, you need to pay service fees for the decryption. Please send $300 worth of bitcoin to this bitcoin address: 15zGqZCTcys6eCjDkE3DypCjXi6QWRV6V1 Next, please find the decrypt software on your desktop, an executable file named "!WannaDecryptor!.exe". If it does not exsit, download the software from the address below. (You may need to disable your antivirus for a while.) rar password: wcry123 Run and follow the instructions! �
Wallets
  • 15zGqZCTcys6eCjDkE3DypCjXi6QWRV6V1

Targets

    • Target
      4363463463464363463463463.exe
    • Size 10KB
    • SHA256 2fcad226b17131da4274e1b9f8f31359bdd325c9568665f08fd1f6c5d06a23ce
    • MD5 SHA1 SHA512 SSDEEP TLSH
    • A stealer written in Python and packaged with Pyinstaller

    • An open source browser data exporter written in golang.

    • Deletes Windows Defender Definitions

      Uses mpcmdrun utility to delete all AV definitions.

    • Detect Neshta payload

    • Detect Xworm Payload

    • Detects DonutLoader

    • Detects KillMBR

    • Family: DonutLoader

      DonutLoader is a position-independent code that enables in-memory execution of VBScript, JScript, EXE, DLL files and dotNET assemblies.

    • Family: HackBrowserData

      An open source golang web browser extractor.

    • Family: InfinityLock Ransomware

      Also known as InfinityCrypt. Based on the open-source HiddenTear ransomware.

    • Family: KillMBR

      KillMBR is a trojan that attempts to overwrite the Master Boot Record.

    • Family: Lumma Stealer, LummaC

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

    • Family: Mimikatz

      mimikatz is an open source tool to dump credentials on Windows.

    • Family: Neshta

      Malware from the neshta family is designed to infect itself into other files to spread itself and cause damage.

    • Family: Quasar RAT

      Quasar is an open source Remote Access Tool.

    • Family: Wannacry

      WannaCry is a ransomware cryptoworm.

    • Family: Xworm

      Xworm is a remote access trojan written in C#.

    • Family: blankgrabber

      Blankgrabber is an infostealer written in Python and packaged with Pyinstaller.

    • Quasar payload

    • Suspicious use of NtCreateProcessExOtherParentProcess

    • Suspicious use of NtCreateUserProcessOtherParentProcess

    • mimikatz is an open source tool to dump credentials on Windows

    • Deletes shadow copies

      Ransomware often targets backup files to inhibit system recovery.

    • Badlisted process makes network request

      Network request originating from process or tool commonly abused by malware.

    • Boot or Logon Autostart Execution: Active Setup

      Adversaries may achieve persistence by adding a Registry key to the Active Setup of the local machine.

    • Command and Scripting Interpreter: PowerShell

      Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.

    • Disables one or more Microsoft Defender components

      Uses the Powershell Set-MpPreference cmdlet to disable one or more Microsoft Defender components.

    • Downloads MZ/PE file

    • Manipulates Digital Signatures

      Attackers can apply techniques such as changing the registry keys of authenticode & Cryptography to make their binary seem validly signed.

    • Modifies RDP port number used by Windows

    • Modifies Windows Firewall

    • Server Software Component: Terminal Services DLL

    • Sets service image path in registry

      This determines the executable launched when a service starts. It can be used to establish persistence.

    • Signed with revoked ConnectWise certificate

      Binary is signed using a ConnectWise certificate revoked for key compromise.

    • .NET Reactor proctector

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

    • Clipboard Data

      Adversaries may collect data stored in the clipboard from users copying information within or between applications.

    • Credentials from Password Stores: Windows Credential Manager

      Suspicious access to Credentials History.

    • Cryptocurrency Miner

      Makes network request to known mining pool URL.

    • Drops startup file

    • Executes dropped EXE

    • Loads dropped DLL

    • Reads WinSCP keys stored on the system

      Tries to access WinSCP stored sessions.

    • 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.

    • Accesses Microsoft Outlook profiles

    • 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.

    • Contacts third-party web service commonly abused for C2

      Legitimate web (hosting) services can be abused by malware authors to host malware or C2s.

    • Drops desktop.ini file(s)

    • 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.

    • Modifies WinLogon

    • Obfuscated Files or Information: Command Obfuscation

      Adversaries may obfuscate content during command execution to impede detection.

    • Drops autorun.inf file

      Malware can abuse Windows Autorun to spread further via attached volumes.

    • Drops file in System32 directory

    • Enumerates processes with tasklist

    • 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 v16

Tasks