General
- Target lvrium_loader.exe
- Size 323KB
- Sample260626-tk74vadt3r
- SHA256 7b3b062479e2f9678790f3d90afc2312441e8418114c115eb32abed85188455d
- MD5 8c0aacaf1ec0d60d9036875ae757d78f
- SHA1 04a5c8b61d1c91080aecf31e8db804525d363f3c
- SHA512 350fe22af318a006f8b6216120a6c4f379dad283fff94b4b96fcf1152aaf30f75874cb4277d0d7addabc21aa350944edbafacc52c8c5b95ff0de6bcf65d6f4e4
- SSDEEP 6144:VbI2B0LDS/rwYxqGTWniizYu4200SraUUZahQvjdjAe2Y:FEDSwGTWniil00M0l
- TLSH T1F564296BEB6248F8C157C03496E7A376B031BC4D0334BA1A1795DB313F11E654FAAE68
- 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 323KB
- SHA256 7b3b062479e2f9678790f3d90afc2312441e8418114c115eb32abed85188455d
- MD5 8c0aacaf1ec0d60d9036875ae757d78f
- SHA1 04a5c8b61d1c91080aecf31e8db804525d363f3c
- SHA512 350fe22af318a006f8b6216120a6c4f379dad283fff94b4b96fcf1152aaf30f75874cb4277d0d7addabc21aa350944edbafacc52c8c5b95ff0de6bcf65d6f4e4
- SSDEEP 6144:VbI2B0LDS/rwYxqGTWniizYu4200SraUUZahQvjdjAe2Y:FEDSwGTWniil00M0l
- TLSH T1F564296BEB6248F8C157C03496E7A376B031BC4D0334BA1A1795DB313F11E654FAAE68
- 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.
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Event Triggered Execution: Image File Execution Options Injection
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Sets service image path in registry
This determines the executable launched when a service starts. It can be used to establish persistence.
-
Registers new Windows logon scripts automatically executed at logon.
-
Stops running service(s)
-
Adds Run key to start application
-
Drops file in System32 directory
MITRE ATT&CK Enterprise v16
Execution
Command and Scripting Interpreter
1PowerShell
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
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
1Defense Evasion
Direct Volume Access
1Impair Defenses
2Disable or Modify Tools
1Indicator Removal
2File Deletion
2Modify Registry
5