General
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Target
SecuriteInfo.com.Win64.RansomX-gen.22171.1307.exe
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Size
11KB
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Sample
240624-rqphkswfqf
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MD5
c65a7acf4b2c33a0a8caf91e5686cca1
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SHA1
dbb5493531f5102fc5c27d8214a8e597a4ce829c
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SHA256
f5335a10844d4ab1163464897df06c5002f58425c767ca9f5fa6ada7a06391c1
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SHA512
c1a507a1bbc6ba4a1b42900a5d2e48cc8f8cf276ada40e34899188d89afb9e2b6b1f39d95dc5e5474a10349d1dce01d75537964e1012e46b09e6fb7e229813b3
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SSDEEP
192:Bl6ghakGBkUkF9sFxsn2QTLur++ODhUaitzXzt+LHSWKy:2jkUkYFxsn2QC+pzitzXiS1
Static task
static1
Behavioral task
behavioral1
Sample
SecuriteInfo.com.Win64.RansomX-gen.22171.1307.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
SecuriteInfo.com.Win64.RansomX-gen.22171.1307.exe
Resource
win10v2004-20240508-en
Malware Config
Extracted
C:\$Recycle.Bin\HOW TO BACK FILES.txt
targetcompany
http://wtyafjyhwqrgo4a45wdvvwhen3cx4euie73qvlhkhvlrexljoyuklaad.onion/mallox/privateSignin
http://wtyafjyhwqrgo4a45wdvvwhen3cx4euie73qvlhkhvlrexljoyuklaad.onion
Targets
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Target
SecuriteInfo.com.Win64.RansomX-gen.22171.1307.exe
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Size
11KB
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MD5
c65a7acf4b2c33a0a8caf91e5686cca1
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SHA1
dbb5493531f5102fc5c27d8214a8e597a4ce829c
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SHA256
f5335a10844d4ab1163464897df06c5002f58425c767ca9f5fa6ada7a06391c1
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SHA512
c1a507a1bbc6ba4a1b42900a5d2e48cc8f8cf276ada40e34899188d89afb9e2b6b1f39d95dc5e5474a10349d1dce01d75537964e1012e46b09e6fb7e229813b3
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SSDEEP
192:Bl6ghakGBkUkF9sFxsn2QTLur++ODhUaitzXzt+LHSWKy:2jkUkYFxsn2QC+pzitzXiS1
Score10/10-
TargetCompany,Mallox
TargetCompany (aka Mallox) is a ransomware which encrypts files using a combination of ChaCha20, AES-128, and Curve25519, first seen in June 2021.
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Modifies boot configuration data using bcdedit
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Renames multiple (7208) files with added filename extension
This suggests ransomware activity of encrypting all the files on the system.
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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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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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Suspicious use of SetThreadContext
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