General
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Target
aaaa.exe
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Size
211KB
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Sample
211013-hrzv9sdfg5
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MD5
935f54b6609c5339001579e96dc34244
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SHA1
a809327d39fab61bfcfac0c97b1d4b3bfb9a2cfe
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SHA256
a5847867730e7849117c31cdae8bb0a25004635d49f366fbfaebce034d865d7d
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SHA512
3daa9be6c8489007f1e410332fa670e56bde060347b02f31a1621039215c254f05284e86f39293a9f5c0add64cc4735d128c3f1c409e62623a7b50de393bd843
Static task
static1
Behavioral task
behavioral1
Sample
aaaa.exe
Resource
win7v20210408
Behavioral task
behavioral2
Sample
aaaa.exe
Resource
win10-en-20210920
Malware Config
Extracted
C:\!!! ALL YOUR FILES ARE ENCRYPTED !!!.TXT
buran
Extracted
C:\!!! ALL YOUR FILES ARE ENCRYPTED !!!.TXT
buran
Targets
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Target
aaaa.exe
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Size
211KB
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MD5
935f54b6609c5339001579e96dc34244
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SHA1
a809327d39fab61bfcfac0c97b1d4b3bfb9a2cfe
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SHA256
a5847867730e7849117c31cdae8bb0a25004635d49f366fbfaebce034d865d7d
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SHA512
3daa9be6c8489007f1e410332fa670e56bde060347b02f31a1621039215c254f05284e86f39293a9f5c0add64cc4735d128c3f1c409e62623a7b50de393bd843
Score10/10-
Buran
Ransomware-as-a-service based on the VegaLocker family first identified in 2019.
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Executes dropped EXE
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Modifies extensions of user files
Ransomware generally changes the extension on encrypted files.
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Loads dropped DLL
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Adds Run key to start application
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Enumerates connected drives
Attempts to read the root path of hard drives other than the default C: drive.
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