General
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Target
de472bf6d2280a257412addd15a53b215f096a1bbe9e6d48bc26f800c6ce6f84.bin.sample
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Size
250KB
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Sample
211208-s2zy5agbb6
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MD5
04472524fe2f81be48fa7b38d061b6c5
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SHA1
907f8e2d0ca5cea50333e17585f2f9dba41f8087
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SHA256
de472bf6d2280a257412addd15a53b215f096a1bbe9e6d48bc26f800c6ce6f84
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SHA512
b26943749da8143321e161346519fa78a08ee7e39069a522a1a9d2ee9373008fbb707e477156841e093084fa9144fba002a79329b8de61f072e01eebaf20cca7
Static task
static1
Behavioral task
behavioral1
Sample
de472bf6d2280a257412addd15a53b215f096a1bbe9e6d48bc26f800c6ce6f84.bin.sample.exe
Resource
win7-en-20211208
Behavioral task
behavioral2
Sample
de472bf6d2280a257412addd15a53b215f096a1bbe9e6d48bc26f800c6ce6f84.bin.sample.exe
Resource
win10-en-20211208
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
de472bf6d2280a257412addd15a53b215f096a1bbe9e6d48bc26f800c6ce6f84.bin.sample
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Size
250KB
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MD5
04472524fe2f81be48fa7b38d061b6c5
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SHA1
907f8e2d0ca5cea50333e17585f2f9dba41f8087
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SHA256
de472bf6d2280a257412addd15a53b215f096a1bbe9e6d48bc26f800c6ce6f84
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SHA512
b26943749da8143321e161346519fa78a08ee7e39069a522a1a9d2ee9373008fbb707e477156841e093084fa9144fba002a79329b8de61f072e01eebaf20cca7
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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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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Drops file in System32 directory
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