General
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Target
2024-04-07_e12a4ec4d52a4ebfd5d775711d311642_virlock
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Size
120KB
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Sample
240407-tc9mpsgd33
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MD5
e12a4ec4d52a4ebfd5d775711d311642
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SHA1
8d13a33bf1647f5724e50d50e3d033d1c8cc011c
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SHA256
59aba9ca0ae7e7bfdefb3bb520fd92c85ccb4c6e60fe9b91539fcfd0873d61ad
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SHA512
607f3b7cd3bf4fb413824e06f2954caba21f17719fb7c2097de2e767bc16494ce73ef692a144981c6911ad8b663f791a715fcb867553c42f0fb26f7affef79b2
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SSDEEP
3072:a8l9OrQdBr+6K69O/Ry4zPYPFUls0XFI5lb:53dBrFBYy4WFUlsYk
Static task
static1
Behavioral task
behavioral1
Sample
2024-04-07_e12a4ec4d52a4ebfd5d775711d311642_virlock.exe
Resource
win7-20240215-en
Behavioral task
behavioral2
Sample
2024-04-07_e12a4ec4d52a4ebfd5d775711d311642_virlock.exe
Resource
win10v2004-20240226-en
Malware Config
Targets
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Target
2024-04-07_e12a4ec4d52a4ebfd5d775711d311642_virlock
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Size
120KB
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MD5
e12a4ec4d52a4ebfd5d775711d311642
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SHA1
8d13a33bf1647f5724e50d50e3d033d1c8cc011c
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SHA256
59aba9ca0ae7e7bfdefb3bb520fd92c85ccb4c6e60fe9b91539fcfd0873d61ad
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SHA512
607f3b7cd3bf4fb413824e06f2954caba21f17719fb7c2097de2e767bc16494ce73ef692a144981c6911ad8b663f791a715fcb867553c42f0fb26f7affef79b2
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SSDEEP
3072:a8l9OrQdBr+6K69O/Ry4zPYPFUls0XFI5lb:53dBrFBYy4WFUlsYk
Score10/10-
Modifies visibility of file extensions in Explorer
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Renames multiple (84) 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
1