General
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Target
ac16f3e23516cf6b22830c399b4aba9706d37adceb5eb8ea9960f71f1425df79.exe
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Size
54KB
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Sample
210621-vjwq4ygkgx
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MD5
be6adee5c7c72c3c1d2094e544f2eead
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SHA1
c9c2ad344d82c9977758488cff181d5474884d11
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SHA256
ac16f3e23516cf6b22830c399b4aba9706d37adceb5eb8ea9960f71f1425df79
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SHA512
52a46a826097f20831df0d179494628dee536afd32cd8b5ff3140801381f2c98f09cfe1c01ff3f3611069570fa8232dfb4c7527f3e31f0142f5492a0c37d2f86
Static task
static1
Behavioral task
behavioral1
Sample
ac16f3e23516cf6b22830c399b4aba9706d37adceb5eb8ea9960f71f1425df79.exe
Resource
win7v20210408
Behavioral task
behavioral2
Sample
ac16f3e23516cf6b22830c399b4aba9706d37adceb5eb8ea9960f71f1425df79.exe
Resource
win10v20210410
Malware Config
Extracted
C:\Users\Public\Documents\!$R4GN4R_F540D252$!.txt
ragnarlocker
http://rgngerzxui2kizq6h5ekefneizmn54n4bcjjthyvdir22orayuya5zad.onion/client/?0242cdcD7eecbbAcB371c06DDC8feBAD516219353c5369dCBb5da0DfD6Ac94bc
http://p6o7m73ujalhgkiv.onion/
Targets
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Target
ac16f3e23516cf6b22830c399b4aba9706d37adceb5eb8ea9960f71f1425df79.exe
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Size
54KB
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MD5
be6adee5c7c72c3c1d2094e544f2eead
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SHA1
c9c2ad344d82c9977758488cff181d5474884d11
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SHA256
ac16f3e23516cf6b22830c399b4aba9706d37adceb5eb8ea9960f71f1425df79
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SHA512
52a46a826097f20831df0d179494628dee536afd32cd8b5ff3140801381f2c98f09cfe1c01ff3f3611069570fa8232dfb4c7527f3e31f0142f5492a0c37d2f86
Score10/10-
RagnarLocker
Ransomware first seen at the end of 2019, which has been used in targetted attacks against multiple companies.
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Modifies boot configuration data using bcdedit
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Drops desktop.ini file(s)
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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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Writes to the Master Boot Record (MBR)
Bootkits write to the MBR to gain persistence at a level below the operating system.
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