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General
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Target
2024-04-09_0d84321dc670214b345360e1dc88cf18_virlock
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Size
5.9MB
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Sample
240409-km6jcsec2y
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MD5
0d84321dc670214b345360e1dc88cf18
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SHA1
d1d293255c34ab528c2cc2fb167c63b49129cf22
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SHA256
4fc9661e1dde0c8b9ed8ccc580288fce07446a3d17780ce2d70e764adee35f00
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SHA512
1f8c4d8a9eb4a536d038d5ba1f427128a98ecee9dfa0fb4d5aa55d2bcf177fba4ac639e9c166659e77ab98454e6270480c6f55bf83af63252cffef4c48a1fd57
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SSDEEP
98304:XeAni4AafakUGfN+3cjvYPO/MUDOormDN+137e1b6Ivwmki4i1T:Xk4naGfN+SUO/MUKormDN+pS7hki4A
Static task
static1
Behavioral task
behavioral1
Sample
2024-04-09_0d84321dc670214b345360e1dc88cf18_virlock.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
2024-04-09_0d84321dc670214b345360e1dc88cf18_virlock.exe
Resource
win10v2004-20240226-en
Malware Config
Targets
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Target
2024-04-09_0d84321dc670214b345360e1dc88cf18_virlock
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Size
5.9MB
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MD5
0d84321dc670214b345360e1dc88cf18
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SHA1
d1d293255c34ab528c2cc2fb167c63b49129cf22
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SHA256
4fc9661e1dde0c8b9ed8ccc580288fce07446a3d17780ce2d70e764adee35f00
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SHA512
1f8c4d8a9eb4a536d038d5ba1f427128a98ecee9dfa0fb4d5aa55d2bcf177fba4ac639e9c166659e77ab98454e6270480c6f55bf83af63252cffef4c48a1fd57
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SSDEEP
98304:XeAni4AafakUGfN+3cjvYPO/MUDOormDN+137e1b6Ivwmki4i1T:Xk4naGfN+SUO/MUKormDN+pS7hki4A
Score10/10-
Modifies visibility of file extensions in Explorer
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Renames multiple (78) 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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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
1