General
-
Target
2024-06-12_d43e5d551c06cf4e8399f35aab2bd949_virlock
-
Size
121KB
-
Sample
240612-sheh3stbmr
-
MD5
d43e5d551c06cf4e8399f35aab2bd949
-
SHA1
e8a55c30500e9339e48407c5e216b3f0895f4efa
-
SHA256
043092cb12f7ebf12e7ae898a98b1d9c5e18b9e2821c98989db05cd2436bb5da
-
SHA512
a571f0f934b532b3f70536b0efce27c1bdfb7e13d6cc62b6d354c11f12279bec313c9dda3bee1a9225515db3f0a8c6aec9bb248aef33a5218f78f51973f7844a
-
SSDEEP
3072:T846BUO6UI7VKdgfuxMJ6n4pQJ6y/R5OELT:752IIT6JE4K77T
Static task
static1
Behavioral task
behavioral1
Sample
2024-06-12_d43e5d551c06cf4e8399f35aab2bd949_virlock.exe
Resource
win7-20240611-en
Behavioral task
behavioral2
Sample
2024-06-12_d43e5d551c06cf4e8399f35aab2bd949_virlock.exe
Resource
win10v2004-20240611-en
Malware Config
Targets
-
-
Target
2024-06-12_d43e5d551c06cf4e8399f35aab2bd949_virlock
-
Size
121KB
-
MD5
d43e5d551c06cf4e8399f35aab2bd949
-
SHA1
e8a55c30500e9339e48407c5e216b3f0895f4efa
-
SHA256
043092cb12f7ebf12e7ae898a98b1d9c5e18b9e2821c98989db05cd2436bb5da
-
SHA512
a571f0f934b532b3f70536b0efce27c1bdfb7e13d6cc62b6d354c11f12279bec313c9dda3bee1a9225515db3f0a8c6aec9bb248aef33a5218f78f51973f7844a
-
SSDEEP
3072:T846BUO6UI7VKdgfuxMJ6n4pQJ6y/R5OELT:752IIT6JE4K77T
Score10/10-
Modifies visibility of file extensions in Explorer
-
Renames multiple (79) files with added filename extension
This suggests ransomware activity of encrypting all the files on the system.
-
Checks computer location settings
Looks up country code configured in the registry, likely geofence.
-
Executes dropped EXE
-
Loads dropped DLL
-
Adds Run key to start application
-
Drops file in System32 directory
-
MITRE ATT&CK Enterprise v15
Privilege Escalation
Abuse Elevation Control Mechanism
1Bypass User Account Control
1Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1