General
- Target 2026-07-17_51ccaea48df7bf6bb539dac71fc970bb_elex_virlock
- Size 1.6MB
- Sample260718-ef76qaax8s
- SHA256 e41e70c097ab7967a78c18ef7fb66431984d8ed302724600ecc93acddde3e5e8
- MD5 51ccaea48df7bf6bb539dac71fc970bb
- SHA1 a3eec2efa2bf311e5701f8ab7e69fba2594755d8
- SHA512 54f7c1182d96e566f10d3f7b0d4a60b72d6a1e93fc701977b611c8bf3369b23677757ffec3b3ebf36df06671993be2346223dcb22122525115a0b02addd89277
- SSDEEP 12288:x6eDZpTUrNLD3iK7JCbmza/rD12BVTvgOKfmAj8IuAtjT9zA/p2xc:x6+TTcl3JCbmza/MBVs9fmY8IhtFw2C
- TLSH T1C475974FAAB9AF3AC87677AE6B1F5D7836C32CD638AA71059C78C93D72548CC0451D80
- MD5 SHA1 SHA512 SSDEEP TLSH
Static task
static1
Behavioral task
behavioral1
Sample
2026-07-17_51ccaea48df7bf6bb539dac71fc970bb_elex_virlock.exe
Resource
win10v2004-20260513-en
Behavioral task
behavioral2
Sample
2026-07-17_51ccaea48df7bf6bb539dac71fc970bb_elex_virlock.exe
Resource
win11ltsc2024-20260709-en
Malware Config
Targets
-
- Target 2026-07-17_51ccaea48df7bf6bb539dac71fc970bb_elex_virlock
- Size 1.6MB
- SHA256 e41e70c097ab7967a78c18ef7fb66431984d8ed302724600ecc93acddde3e5e8
- MD5 51ccaea48df7bf6bb539dac71fc970bb
- SHA1 a3eec2efa2bf311e5701f8ab7e69fba2594755d8
- SHA512 54f7c1182d96e566f10d3f7b0d4a60b72d6a1e93fc701977b611c8bf3369b23677757ffec3b3ebf36df06671993be2346223dcb22122525115a0b02addd89277
- SSDEEP 12288:x6eDZpTUrNLD3iK7JCbmza/rD12BVTvgOKfmAj8IuAtjT9zA/p2xc:x6+TTcl3JCbmza/MBVs9fmY8IhtFw2C
- TLSH T1C475974FAAB9AF3AC87677AE6B1F5D7836C32CD638AA71059C78C93D72548CC0451D80
- MD5 SHA1 SHA512 SSDEEP TLSH
-
Modifies visibility of file extensions in Explorer
-
UAC bypass
-
Renames multiple (141) files with added filename extension
This suggests ransomware activity of encrypting all the files on the system.
-
Checks BIOS information in registry
BIOS information is often read in order to detect sandboxing environments.
-
Checks computer location settings
Looks up country code configured in the registry, likely geofence.
-
Executes dropped EXE
-
Adds Run key to start application
-
Enumerates connected drives
Attempts to read the root path of hard drives other than the default C: drive.
-
Drops file in System32 directory
-
Executes a VBScript file via the Windows Script Host.
MITRE ATT&CK Enterprise v16
Execution
Command and Scripting Interpreter
3PowerShell
1Visual Basic
1Windows Command Shell
1Privilege 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