General
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Target
2024-11-06_eb1ed45871a228829fd767caf8a9e68b_virlock
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Size
565KB
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Sample
241106-db9nbasnhz
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MD5
eb1ed45871a228829fd767caf8a9e68b
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SHA1
9a5263907fc0a8b441ece1209df9d69cd6183036
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SHA256
2327093a4d4dd38ddd8e1c5dbeca6e7bb89d25f299d2a2f69a37b2e605cbf619
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SHA512
2ac55c2dc24d74bf0cbcc2e393785e105aa1dcca24553e2a7f4d8e8cb32f368f957f38a253a8d96464376eaae5556ca043e8a866b86a15a1846835606e8b3273
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SSDEEP
12288:cp5EV38aaBTXdxkyNLxON2cJX5xBHAbnHfqpjVKLrQvG:W5A3vaB7bkmLxOccJX5/HCqpjcrQvG
Static task
static1
Behavioral task
behavioral1
Sample
2024-11-06_eb1ed45871a228829fd767caf8a9e68b_virlock.exe
Resource
win7-20240708-en
Behavioral task
behavioral2
Sample
2024-11-06_eb1ed45871a228829fd767caf8a9e68b_virlock.exe
Resource
win10v2004-20241007-en
Malware Config
Targets
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Target
2024-11-06_eb1ed45871a228829fd767caf8a9e68b_virlock
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Size
565KB
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MD5
eb1ed45871a228829fd767caf8a9e68b
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SHA1
9a5263907fc0a8b441ece1209df9d69cd6183036
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SHA256
2327093a4d4dd38ddd8e1c5dbeca6e7bb89d25f299d2a2f69a37b2e605cbf619
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SHA512
2ac55c2dc24d74bf0cbcc2e393785e105aa1dcca24553e2a7f4d8e8cb32f368f957f38a253a8d96464376eaae5556ca043e8a866b86a15a1846835606e8b3273
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SSDEEP
12288:cp5EV38aaBTXdxkyNLxON2cJX5xBHAbnHfqpjVKLrQvG:W5A3vaB7bkmLxOccJX5/HCqpjcrQvG
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Modifies visibility of file extensions in Explorer
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Renames multiple (82) files with added filename extension
This suggests ransomware activity of encrypting all the files on the system.
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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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Loads dropped DLL
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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 v15
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