General
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Target
2024-11-04_6580b984e232ef58db0e2143bce6137b_virlock
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Size
204KB
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Sample
241104-bqwnwszdkd
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MD5
6580b984e232ef58db0e2143bce6137b
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SHA1
bd3469778fa38ab39a4bc81f77c865328339d724
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SHA256
16cd5acfac3efa836683a0818f5784ca9a4106c63ce5a45e9bc2a3c30a073784
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SHA512
20269c97e1170a3dd51ab97a4825eaabaf4090f411ee45a3c8e6dc8e80703f65f1311cb06619f07342f8caf15c590d5594c17f22fd6b8f9ea1c5fa6aaffb1336
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SSDEEP
3072:2YTmda2qk5jP8ejfRN+3QoztE8js6aAydWQ7bua9oFHj:Lka2qsYefgQoztE846LsWPAwHj
Static task
static1
Behavioral task
behavioral1
Sample
2024-11-04_6580b984e232ef58db0e2143bce6137b_virlock.exe
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
2024-11-04_6580b984e232ef58db0e2143bce6137b_virlock.exe
Resource
win10v2004-20241007-en
Malware Config
Targets
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Target
2024-11-04_6580b984e232ef58db0e2143bce6137b_virlock
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Size
204KB
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MD5
6580b984e232ef58db0e2143bce6137b
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SHA1
bd3469778fa38ab39a4bc81f77c865328339d724
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SHA256
16cd5acfac3efa836683a0818f5784ca9a4106c63ce5a45e9bc2a3c30a073784
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SHA512
20269c97e1170a3dd51ab97a4825eaabaf4090f411ee45a3c8e6dc8e80703f65f1311cb06619f07342f8caf15c590d5594c17f22fd6b8f9ea1c5fa6aaffb1336
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SSDEEP
3072:2YTmda2qk5jP8ejfRN+3QoztE8js6aAydWQ7bua9oFHj:Lka2qsYefgQoztE846LsWPAwHj
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Modifies visibility of file extensions in Explorer
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Renames multiple (61) 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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Deletes itself
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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