General
-
Target
2024-06-08_31e335ae276174f3ebd6bc5a0e31c372_virlock
-
Size
788KB
-
Sample
240608-m6kr4sbh67
-
MD5
31e335ae276174f3ebd6bc5a0e31c372
-
SHA1
0576caf6c842ca2020b3b60537d9003df66a708a
-
SHA256
f7c1d35530e5959c695e2138faeadf4bc3da8744d1c37cee0f9602b37a3e80fd
-
SHA512
85d35c92434fa13d6938e6366c92b74bfaf583d93ec71730983f31b13ee8f661275914f22abf1d79ab54d28cd703a5e72ffb0dcdc938a29916e9b3182cea625b
-
SSDEEP
12288:T5aGoupHgfH1fMvKkwxCt3m5FH/nPGl6QLy7Bju60xgrIvvOp8tLQ1YpH9hyo:V9pS1vkVG/nAul048tc1Ydt
Static task
static1
Behavioral task
behavioral1
Sample
2024-06-08_31e335ae276174f3ebd6bc5a0e31c372_virlock.exe
Resource
win7-20240220-en
Behavioral task
behavioral2
Sample
2024-06-08_31e335ae276174f3ebd6bc5a0e31c372_virlock.exe
Resource
win10v2004-20240508-en
Malware Config
Targets
-
-
Target
2024-06-08_31e335ae276174f3ebd6bc5a0e31c372_virlock
-
Size
788KB
-
MD5
31e335ae276174f3ebd6bc5a0e31c372
-
SHA1
0576caf6c842ca2020b3b60537d9003df66a708a
-
SHA256
f7c1d35530e5959c695e2138faeadf4bc3da8744d1c37cee0f9602b37a3e80fd
-
SHA512
85d35c92434fa13d6938e6366c92b74bfaf583d93ec71730983f31b13ee8f661275914f22abf1d79ab54d28cd703a5e72ffb0dcdc938a29916e9b3182cea625b
-
SSDEEP
12288:T5aGoupHgfH1fMvKkwxCt3m5FH/nPGl6QLy7Bju60xgrIvvOp8tLQ1YpH9hyo:V9pS1vkVG/nAul048tc1Ydt
Score10/10-
Modifies visibility of file extensions in Explorer
-
Renames multiple (61) 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
-
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