General
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Target
lsass.exe
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Size
214KB
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Sample
201107-vkwbkzk1ej
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MD5
3a87a3c5abcdc92ef421700ac6f5d0d1
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SHA1
70509f9eed0f90f62b804da75aa73b6a3f6390ec
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SHA256
45dd162163830e078517e6afb39a1b472d5077394500f2b3f85fa3711eb742af
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SHA512
f6ae90245715e6e0a1e640ab123fa2c47971517142a65ebd4960aefac3493cabd65686cdb99623ce06d586f76b1e12d93e238086e83beed0a6bf649eb2518a6f
Static task
static1
Behavioral task
behavioral1
Sample
lsass.exe
Resource
win7v20201028
Behavioral task
behavioral2
Sample
lsass.exe
Resource
win10v20201028
Malware Config
Extracted
C:\!!! ALL YOUR FILES ARE ENCRYPTED !!!.TXT
buran
tomriddle1337@cock.li
riddletom1337@protonmail.com
Extracted
C:\!!! ALL YOUR FILES ARE ENCRYPTED !!!.TXT
buran
tomriddle1337@cock.li
riddletom1337@protonmail.com
Targets
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Target
lsass.exe
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Size
214KB
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MD5
3a87a3c5abcdc92ef421700ac6f5d0d1
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SHA1
70509f9eed0f90f62b804da75aa73b6a3f6390ec
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SHA256
45dd162163830e078517e6afb39a1b472d5077394500f2b3f85fa3711eb742af
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SHA512
f6ae90245715e6e0a1e640ab123fa2c47971517142a65ebd4960aefac3493cabd65686cdb99623ce06d586f76b1e12d93e238086e83beed0a6bf649eb2518a6f
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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Deletes itself
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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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Legitimate hosting services abused for malware hosting/C2
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Looks up external IP address via web service
Uses a legitimate IP lookup service to find the infected system's external IP.
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Modifies service
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