General
- Target lvrium_loader.exe
- Size 344KB
- Sample260626-wf87fsds6w
- SHA256 01b7656262ae2491b235b7b842a16826007d8e6d5a200be943d5dfa47ce4b95d
- MD5 7c41fcd45f8de4f14817af5899b3664e
- SHA1 0c631f4d11d2ddae0375e3e38dae21e86ca1bcc4
- SHA512 7c4ed8c8e43eaef60e7286e31f9a4de327220e235547ce21a81aba858f9be894f10c14b83efadc47003a9c3abb74f922767aa232cdd05adc929558bf1cc43685
- SSDEEP 6144:FSJHPAHHhDz6m0V052kTizVeIwZGb3oR1UUcudjnRg:OPiBDz8cdTiYZGb3y0Gy
- TLSH T11574292BD76349F8C467D138CBE797B2B030B84D0334795A1794CB313F52A645FAAA68
- 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
win11ltsc2024-20260618-en
Malware Config
Targets
-
- Target lvrium_loader.exe
- Size 344KB
- SHA256 01b7656262ae2491b235b7b842a16826007d8e6d5a200be943d5dfa47ce4b95d
- MD5 7c41fcd45f8de4f14817af5899b3664e
- SHA1 0c631f4d11d2ddae0375e3e38dae21e86ca1bcc4
- SHA512 7c4ed8c8e43eaef60e7286e31f9a4de327220e235547ce21a81aba858f9be894f10c14b83efadc47003a9c3abb74f922767aa232cdd05adc929558bf1cc43685
- SSDEEP 6144:FSJHPAHHhDz6m0V052kTizVeIwZGb3oR1UUcudjnRg:OPiBDz8cdTiYZGb3y0Gy
- TLSH T11574292BD76349F8C467D138CBE797B2B030B84D0334795A1794CB313F52A645FAAA68
- 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
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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.
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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.
-
Executes dropped EXE
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Registers new Windows logon scripts automatically executed at logon.
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Stops running service(s)
-
Adds Run key to start application
-
Contacts third-party web service commonly abused for C2
Legitimate web (hosting) services can be abused by malware authors to host malware or C2s.
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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.
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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
1Defense Evasion
Direct Volume Access
1Impair Defenses
2Disable or Modify Tools
1Indicator Removal
2File Deletion
2Modify Registry
6