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General
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Target
2024-05-10_8227145fd2cb70f9e2b1284a1e764b40_virlock
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Size
207KB
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Sample
240510-nrdkxsca8z
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MD5
8227145fd2cb70f9e2b1284a1e764b40
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SHA1
6a97aab07daa122dbae0469b64cdc027a1d94c7b
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SHA256
83a0f7343dbc04cdafab4ba4cbe7b3d1a38ea2cf6a63db04f3f5d23fd8ad2226
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SHA512
9abdbcae616d1661f603ef52590033c2634a5b47297ca9d22bab9cd989a4d1ddc1c9b97c016bcaedc59527b01b96a02de618ea107324f32d9878a5d9e45a17f5
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SSDEEP
6144:lWHsWT9gLQWr0ldD2bb4HT1t60fWf0QlIgK8/nnEv:lK9TEQWrcdD2bb4HT1FfWf0QlIhcnEv
Static task
static1
Behavioral task
behavioral1
Sample
2024-05-10_8227145fd2cb70f9e2b1284a1e764b40_virlock.exe
Resource
win7-20240215-en
Behavioral task
behavioral2
Sample
2024-05-10_8227145fd2cb70f9e2b1284a1e764b40_virlock.exe
Resource
win10v2004-20240508-en
Malware Config
Targets
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Target
2024-05-10_8227145fd2cb70f9e2b1284a1e764b40_virlock
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Size
207KB
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MD5
8227145fd2cb70f9e2b1284a1e764b40
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SHA1
6a97aab07daa122dbae0469b64cdc027a1d94c7b
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SHA256
83a0f7343dbc04cdafab4ba4cbe7b3d1a38ea2cf6a63db04f3f5d23fd8ad2226
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SHA512
9abdbcae616d1661f603ef52590033c2634a5b47297ca9d22bab9cd989a4d1ddc1c9b97c016bcaedc59527b01b96a02de618ea107324f32d9878a5d9e45a17f5
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SSDEEP
6144:lWHsWT9gLQWr0ldD2bb4HT1t60fWf0QlIgK8/nnEv:lK9TEQWrcdD2bb4HT1FfWf0QlIhcnEv
Score10/10-
Modifies visibility of file extensions in Explorer
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Renames multiple (55) 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
1