General
- Target lvrium_loader.exe
- Size 334KB
- Sample260626-vmnzesc121
- SHA256 7e5d130f38af05d652f47081ca25bccfe77b41e46df3f624f1e1cb56b38f4fe9
- MD5 cdaa22f5d318ab2f61d246a266643869
- SHA1 9bb1448b38c1a55f199fb831ac4e8917554c5c1a
- SHA512 3b66cf964ad3fd5a112aeffab5bc9efbb1e9e9907fa8244957aa313607f023fcd388f7eb455cc88d390c58abbca6db282d8ae3248705ee89d45feeccddeff1a4
- SSDEEP 6144:EkT9EDttp0gosKGVeI+TsMUU6kHgdtdjKOt:UDt4gosK1TsNdf
- TLSH T18274292BEB6248F8C157E0789AE397B66030B84D03347A5A2794CB323F55F945FADE14
- MD5 SHA1 SHA512 SSDEEP TLSH
Static task
static1
Behavioral task
behavioral1
Sample
lvrium_loader.exe
Resource
win10v2004-20260513-en
Behavioral task
behavioral2
Sample
lvrium_loader.exe
Resource
win11ltsc2024-20260617-en
Malware Config
Targets
-
- Target lvrium_loader.exe
- Size 334KB
- SHA256 7e5d130f38af05d652f47081ca25bccfe77b41e46df3f624f1e1cb56b38f4fe9
- MD5 cdaa22f5d318ab2f61d246a266643869
- SHA1 9bb1448b38c1a55f199fb831ac4e8917554c5c1a
- SHA512 3b66cf964ad3fd5a112aeffab5bc9efbb1e9e9907fa8244957aa313607f023fcd388f7eb455cc88d390c58abbca6db282d8ae3248705ee89d45feeccddeff1a4
- SSDEEP 6144:EkT9EDttp0gosKGVeI+TsMUU6kHgdtdjKOt:UDt4gosK1TsNdf
- TLSH T18274292BEB6248F8C157E0789AE397B66030B84D03347A5A2794CB323F55F945FADE14
- MD5 SHA1 SHA512 SSDEEP TLSH
-
Modifies WinLogon for persistence
-
Deletes shadow copies
Ransomware often targets backup files to inhibit system recovery.
-
Adds policy Run key to start application
-
Boot or Logon Autostart Execution: Active Setup
Adversaries may achieve persistence by adding a Registry key to the Active Setup of the local machine.
-
Boot or Logon Autostart Execution: Port Monitors
Adversaries may use port monitors to run an adversary supplied DLL during system boot for persistence or privilege escalation.
-
Disables one or more Microsoft Defender components
Uses the Powershell Set-MpPreference cmdlet to disable one or more Microsoft Defender components.
-
Event Triggered Execution: AppInit DLLs
Adversaries may establish persistence and/or elevate privileges by executing malicious content triggered by AppInit DLLs loaded into processes.
-
Event Triggered Execution: Image File Execution Options Injection
-
Sets service image path in registry
This determines the executable launched when a service starts. It can be used to establish persistence.
-
Executes dropped EXE
-
Registers new Windows logon scripts automatically executed at logon.
-
Stops running service(s)
-
Adds Run key to start application
-
Looks up external IP address via web service
Uses a legitimate IP lookup service to find the infected system's external IP.
-
Drops file in System32 directory
MITRE ATT&CK Enterprise v16
Execution
Command and Scripting Interpreter
1PowerShell
1Scheduled Task/Job
1Scheduled Task
1System Services
1Service Execution
1Windows Management Instrumentation
1Persistence
Boot or Logon Autostart Execution
6Active Setup
1Port Monitors
1Registry Run Keys / Startup Folder
3Winlogon Helper DLL
1Boot or Logon Initialization Scripts
1Logon Script (Windows)
1Create or Modify System Process
2Windows Service
2Event Triggered Execution
2AppInit DLLs
1Image File Execution Options Injection
1Scheduled Task/Job
1Scheduled Task
1Privilege Escalation
Boot or Logon Autostart Execution
6Active Setup
1Port Monitors
1Registry Run Keys / Startup Folder
3Winlogon Helper DLL
1Boot or Logon Initialization Scripts
1Logon Script (Windows)
1Create or Modify System Process
2Windows Service
2Event Triggered Execution
2AppInit DLLs
1Image File Execution Options Injection
1Scheduled Task/Job
1Scheduled Task
1