General
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Target
11898.exe20211207192243.rar
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Size
190KB
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Sample
211208-g3sqnabag3
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MD5
3f9f101c70fcdfb68f1e2efe29be8fb9
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SHA1
b1fc0664cc89ec7c332749ec8644c10ccdda3a81
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SHA256
6f3aeeebda1bd67e5acd2eb8f8bbe6a887e8f787886a561be5e7caf43cf1f7a9
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SHA512
1715654831ec99d1a4d51639f8f4362ac43982ab070d273772753ca728ad6863fad5b9f021e11196f03e137da9bdc4680c3f8075e9619bb2e3f29d379e4eef23
Static task
static1
Behavioral task
behavioral1
Sample
11898.exe
Resource
win7-en-20211104
Behavioral task
behavioral2
Sample
11898.exe
Resource
win10-en-20211104
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
11898.exe
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Size
250KB
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MD5
693dec99f9767c1d004f6289065471a0
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SHA1
91cd7cd10fd1c075f47b84d97f17cc2c1e92e9ac
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SHA256
56dc200341cac71492c374d9251791c60308d96d4387a8bbae999fdb5d841375
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SHA512
b98942b9eff9e1a9a4dac0c3a53c76138a471419b68d77513bc8854824b8ddb707ec51344d13fdd659f9707985efee7f1b9669e357987d9e65382e76fa6f34c1
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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