General
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Target
2025-05-29_2e3abd26c9f13bc957e48b2a2a93fb8e_elex_virlock
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Size
201KB
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Sample
250529-3e7qkaznx3
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MD5
2e3abd26c9f13bc957e48b2a2a93fb8e
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SHA1
c22fd8fed21d23e1b5ddb472dbccce8607e372be
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SHA256
efa44bc30b626600dff275e7a088d0ef0825a2ef0370145fc191cc88309557d5
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SHA512
3691c95815163b3b311be1fdb5989baa9de0046e602fda1af02a430d8c92e07155a8daf8ced8d85a12919b28d2584a66dcc2cc1964cc9c6a464455bb36edbb5c
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SSDEEP
6144:yH65CvMzpDBeX0Y82/IZ0YLKOYdy4Svg:XzpsXw2/IZ0YLKO94Sv
Static task
static1
Behavioral task
behavioral1
Sample
2025-05-29_2e3abd26c9f13bc957e48b2a2a93fb8e_elex_virlock.exe
Resource
win10v2004-20250502-en
Behavioral task
behavioral2
Sample
2025-05-29_2e3abd26c9f13bc957e48b2a2a93fb8e_elex_virlock.exe
Resource
win11-20250502-en
Malware Config
Targets
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Target
2025-05-29_2e3abd26c9f13bc957e48b2a2a93fb8e_elex_virlock
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Size
201KB
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MD5
2e3abd26c9f13bc957e48b2a2a93fb8e
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SHA1
c22fd8fed21d23e1b5ddb472dbccce8607e372be
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SHA256
efa44bc30b626600dff275e7a088d0ef0825a2ef0370145fc191cc88309557d5
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SHA512
3691c95815163b3b311be1fdb5989baa9de0046e602fda1af02a430d8c92e07155a8daf8ced8d85a12919b28d2584a66dcc2cc1964cc9c6a464455bb36edbb5c
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SSDEEP
6144:yH65CvMzpDBeX0Y82/IZ0YLKOYdy4Svg:XzpsXw2/IZ0YLKO94Sv
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Modifies visibility of file extensions in Explorer
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UAC bypass
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Renames multiple (80) files with added filename extension
This suggests ransomware activity of encrypting all the files on the system.
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Blocklisted process makes network request
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Checks computer location settings
Looks up country code configured in the registry, likely geofence.
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Executes dropped EXE
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Adds Run key to start application
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Drops file in System32 directory
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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