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General
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Target
2024-03-29_12260695d71062df9ea968a055fdbef2_virlock
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Size
116KB
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Sample
240329-cz62nafh69
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MD5
12260695d71062df9ea968a055fdbef2
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SHA1
92bbd02bfd8c120a1f8dbe318df44eef0169ac6f
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SHA256
59426cd7f74386ffa6b60688e2b1bea72031ca9b8f706a746e0c4f1da28e1099
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SHA512
3362480b944bc3481a56b5f21ad893b7ee3004929d54fdadd5469d322a0c78ab4b4d323a454b5e916e53549ea1c0ef20a7840213f219e6799d9a019132b676c3
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SSDEEP
3072:oD/79kC4hMNPpowSFcAN8OdxyTrjCMznKHB:oD/O1MNPqwSFtPdxyTXp
Static task
static1
Behavioral task
behavioral1
Sample
2024-03-29_12260695d71062df9ea968a055fdbef2_virlock.exe
Resource
win7-20240319-en
Behavioral task
behavioral2
Sample
2024-03-29_12260695d71062df9ea968a055fdbef2_virlock.exe
Resource
win10v2004-20240226-en
Malware Config
Targets
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Target
2024-03-29_12260695d71062df9ea968a055fdbef2_virlock
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Size
116KB
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MD5
12260695d71062df9ea968a055fdbef2
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SHA1
92bbd02bfd8c120a1f8dbe318df44eef0169ac6f
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SHA256
59426cd7f74386ffa6b60688e2b1bea72031ca9b8f706a746e0c4f1da28e1099
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SHA512
3362480b944bc3481a56b5f21ad893b7ee3004929d54fdadd5469d322a0c78ab4b4d323a454b5e916e53549ea1c0ef20a7840213f219e6799d9a019132b676c3
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SSDEEP
3072:oD/79kC4hMNPpowSFcAN8OdxyTrjCMznKHB:oD/O1MNPqwSFtPdxyTXp
Score10/10-
Modifies visibility of file extensions in Explorer
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Renames multiple (88) 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