General
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Target
9b62cdb57f4c34924333dfa3baefd993efeab68109580b682b074f0e73b63983.sample
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Size
54KB
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Sample
210726-a4jay3ahh2
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MD5
420a63c216ee218f00a224cd9f16d6c7
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SHA1
092d20014ed9e28cd4faf092dd2947ed11808ee4
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SHA256
9b62cdb57f4c34924333dfa3baefd993efeab68109580b682b074f0e73b63983
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SHA512
94c6c7a70aff9bc193c198b127deab3835c7c3a0eb27b8c52d69e1b383152554d9f925bc7a653600b700c58fc2601794c1994479e4e8c26a08429290a311652a
Static task
static1
Behavioral task
behavioral1
Sample
9b62cdb57f4c34924333dfa3baefd993efeab68109580b682b074f0e73b63983.sample.exe
Resource
win7v20210410
Behavioral task
behavioral2
Sample
9b62cdb57f4c34924333dfa3baefd993efeab68109580b682b074f0e73b63983.sample.exe
Resource
win10v20210408
Malware Config
Extracted
C:\Users\Public\Documents\!!!_READ_ME_3CA64D43_!!!.txt
ragnarlocker
https://prnt.sc/v36ygd
https://prnt.sc/v37089
https://prnt.sc/v36yxt
https://prnt.sc/v36zio
https://prnt.sc/v36xi8
https://prnt.sc/v370oi
http://p6o7m73ujalhgkiv.onion/?38KP4j2zYlWcWRm6zsLg
http://rgnar43spcnsocswaw22lmk7jnget5f6vow7kqmnf4jc6hfwpiwoajid.onion/client/?384fAE1DDC9DE3D3b670f7961AEEAA6DBDaCfb972D6Fff48Baf0bcc6c1da2FAc
http://p6o7m73ujalhgkiv.onion/?http://p6o7m73ujalhgkiv.onion/?38KP4j2zYlWcWRm6zsLg
Targets
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Target
9b62cdb57f4c34924333dfa3baefd993efeab68109580b682b074f0e73b63983.sample
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Size
54KB
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MD5
420a63c216ee218f00a224cd9f16d6c7
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SHA1
092d20014ed9e28cd4faf092dd2947ed11808ee4
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SHA256
9b62cdb57f4c34924333dfa3baefd993efeab68109580b682b074f0e73b63983
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SHA512
94c6c7a70aff9bc193c198b127deab3835c7c3a0eb27b8c52d69e1b383152554d9f925bc7a653600b700c58fc2601794c1994479e4e8c26a08429290a311652a
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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