General
-
Target
2025-05-15_597876344a8093f657f1bcc5d578c9b3_elex_virlock
-
Size
207KB
-
Sample
250515-d6tkksyrv9
-
MD5
597876344a8093f657f1bcc5d578c9b3
-
SHA1
140c1b8194060f64b13d71a42d79ed7f8bfb0287
-
SHA256
2af9b8849db6e79262a1ea540a47e959606ea37345c094de6602c80ad8bb7a0b
-
SHA512
1f38be00fe26e2bb2d6039a7a0228b8dc374801d2cc457d785f41d6007ab77c29a99eb88aff1062ff8b674a1d00384447dbcbbd33b294b3837f571e81e0c94d0
-
SSDEEP
6144:XX9JwsTgnysqz829S6zhlj5sx36mJas9R96aXBdGSbGmLTZsGAVrGiGqGlG6GjGq:XX9JwYgnpS8gS6zhlj5sx36Dsg3x4PYx
Static task
static1
Behavioral task
behavioral1
Sample
2025-05-15_597876344a8093f657f1bcc5d578c9b3_elex_virlock.exe
Resource
win10v2004-20250502-en
Behavioral task
behavioral2
Sample
2025-05-15_597876344a8093f657f1bcc5d578c9b3_elex_virlock.exe
Resource
win11-20250502-en
Malware Config
Targets
-
-
Target
2025-05-15_597876344a8093f657f1bcc5d578c9b3_elex_virlock
-
Size
207KB
-
MD5
597876344a8093f657f1bcc5d578c9b3
-
SHA1
140c1b8194060f64b13d71a42d79ed7f8bfb0287
-
SHA256
2af9b8849db6e79262a1ea540a47e959606ea37345c094de6602c80ad8bb7a0b
-
SHA512
1f38be00fe26e2bb2d6039a7a0228b8dc374801d2cc457d785f41d6007ab77c29a99eb88aff1062ff8b674a1d00384447dbcbbd33b294b3837f571e81e0c94d0
-
SSDEEP
6144:XX9JwsTgnysqz829S6zhlj5sx36mJas9R96aXBdGSbGmLTZsGAVrGiGqGlG6GjGq:XX9JwYgnpS8gS6zhlj5sx36Dsg3x4PYx
-
Modifies visibility of file extensions in Explorer
-
UAC bypass
-
Renames multiple (88) 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
-
Adds Run key to start application
-
Drops file in System32 directory
-
MITRE ATT&CK Enterprise v16
Privilege Escalation
Abuse Elevation Control Mechanism
1Bypass User Account Control
1Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Defense Evasion
Abuse Elevation Control Mechanism
1Bypass User Account Control
1Hide Artifacts
1Hidden Files and Directories
1Impair Defenses
1Disable or Modify Tools
1Modify Registry
4Credential Access
Credentials from Password Stores
1Credentials from Web Browsers
1Unsecured Credentials
1Credentials In Files
1