General
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Target
2024-04-28_d2829eaa302752c1ef1021897fe3df64_virlock
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Size
140KB
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Sample
240428-p2t64agb75
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MD5
d2829eaa302752c1ef1021897fe3df64
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SHA1
b168248172e6129f3c2d7b3e5d0d38ed690cf9b7
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SHA256
124f638b4ab0671b7627f5734995353f80fa2e80a33f21f769234bdcf5f62a09
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SHA512
591be90630f984d95eb380b095a49ec9e26130207101b4625831ee5d93ee3efcd6aa7e9b01e5b52a3fcc600a81e2c51f094e0dda2630e02f4414058e6f838d4e
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SSDEEP
3072:1ub6CWlrCX4bsEbd8q4tG95rVcgzAIuakadXax2AiZeKvoxs6X:Ab6sInbZrpc8Pk6feeoxz
Static task
static1
Behavioral task
behavioral1
Sample
2024-04-28_d2829eaa302752c1ef1021897fe3df64_virlock.exe
Resource
win7-20240220-en
Behavioral task
behavioral2
Sample
2024-04-28_d2829eaa302752c1ef1021897fe3df64_virlock.exe
Resource
win10v2004-20240419-en
Malware Config
Targets
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Target
2024-04-28_d2829eaa302752c1ef1021897fe3df64_virlock
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Size
140KB
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MD5
d2829eaa302752c1ef1021897fe3df64
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SHA1
b168248172e6129f3c2d7b3e5d0d38ed690cf9b7
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SHA256
124f638b4ab0671b7627f5734995353f80fa2e80a33f21f769234bdcf5f62a09
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SHA512
591be90630f984d95eb380b095a49ec9e26130207101b4625831ee5d93ee3efcd6aa7e9b01e5b52a3fcc600a81e2c51f094e0dda2630e02f4414058e6f838d4e
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SSDEEP
3072:1ub6CWlrCX4bsEbd8q4tG95rVcgzAIuakadXax2AiZeKvoxs6X:Ab6sInbZrpc8Pk6feeoxz
Score10/10-
Modifies visibility of file extensions in Explorer
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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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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 Matrix ATT&CK v13
Privilege Escalation
Abuse Elevation Control Mechanism
1Bypass User Account Control
1Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1