General
-
Target
2024-06-12_e9dd937a1e45c18df0e7076d7c368801_virlock
-
Size
121KB
-
Sample
240612-23b35avakb
-
MD5
e9dd937a1e45c18df0e7076d7c368801
-
SHA1
5e43f2e32d94b4c4a560b90e5c9b5368e14fa750
-
SHA256
3d08c8f5ea07b82a7d16ec8d681215b94b4574f4a434279bfa5ea64c19af2842
-
SHA512
a99b72549b4dd5a6f3fe34c6400db2ff794c4bf2eeb7c776f5140bbc3a58989c02d27bbaaa9fe3d19fb6d7e6b585ed581f2877006fadb42e9d74fc969a399a40
-
SSDEEP
1536:4FscAhHjx0LBZMCaWTXGTPIoCGlhxNwaK1CQ3GNE5VbrYnMUg/adOJgxxC:4yfDC2EoNwaO514xZdOJgnC
Static task
static1
Behavioral task
behavioral1
Sample
2024-06-12_e9dd937a1e45c18df0e7076d7c368801_virlock.exe
Resource
win7-20240611-en
Behavioral task
behavioral2
Sample
2024-06-12_e9dd937a1e45c18df0e7076d7c368801_virlock.exe
Resource
win10v2004-20240611-en
Malware Config
Targets
-
-
Target
2024-06-12_e9dd937a1e45c18df0e7076d7c368801_virlock
-
Size
121KB
-
MD5
e9dd937a1e45c18df0e7076d7c368801
-
SHA1
5e43f2e32d94b4c4a560b90e5c9b5368e14fa750
-
SHA256
3d08c8f5ea07b82a7d16ec8d681215b94b4574f4a434279bfa5ea64c19af2842
-
SHA512
a99b72549b4dd5a6f3fe34c6400db2ff794c4bf2eeb7c776f5140bbc3a58989c02d27bbaaa9fe3d19fb6d7e6b585ed581f2877006fadb42e9d74fc969a399a40
-
SSDEEP
1536:4FscAhHjx0LBZMCaWTXGTPIoCGlhxNwaK1CQ3GNE5VbrYnMUg/adOJgxxC:4yfDC2EoNwaO514xZdOJgnC
Score10/10-
Modifies visibility of file extensions in Explorer
-
Renames multiple (80) 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.
-
Deletes itself
-
Executes dropped EXE
-
Loads dropped DLL
-
Adds Run key to start application
-
Drops file in System32 directory
-
MITRE ATT&CK Matrix ATT&CK v13
Privilege Escalation
Abuse Elevation Control Mechanism
1Bypass User Account Control
1Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1