General
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Target
4674370e64733f2f634251da6967fe96f02ac4654543b36b1b80e765495bfe4e
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Size
346KB
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Sample
240320-m149kafa77
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MD5
42b91f11d07c3937cf7507e37b994c99
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SHA1
7640568a86817717c51b129ea41078fdd9ff44c4
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SHA256
4674370e64733f2f634251da6967fe96f02ac4654543b36b1b80e765495bfe4e
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SHA512
1f367cfad9e230e5cd566ad17086d133108044fc8b898979f08426285d94e5e5a8bf3fd17dc8c8c65490efe782316ea92c09bcd82b1a106a08de2dbed7b54f49
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SSDEEP
6144:Mb3hsyXpHunpoE/T/iSIDexeohXdHV2z:cXpOpRlI8eoT
Static task
static1
Behavioral task
behavioral1
Sample
4674370e64733f2f634251da6967fe96f02ac4654543b36b1b80e765495bfe4e.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
4674370e64733f2f634251da6967fe96f02ac4654543b36b1b80e765495bfe4e.exe
Resource
win10v2004-20231215-en
Malware Config
Extracted
C:\$Recycle.Bin\S-1-5-21-2297530677-1229052932-2803917579-1000\HOW TO BACK FILES.txt
targetcompany
http://wtyafjyhwqrgo4a45wdvvwhen3cx4euie73qvlhkhvlrexljoyuklaad.onion/mallox/privateSignin
http://wtyafjyhwqrgo4a45wdvvwhen3cx4euie73qvlhkhvlrexljoyuklaad.onion
Extracted
F:\HOW TO BACK FILES.txt
targetcompany
http://wtyafjyhwqrgo4a45wdvvwhen3cx4euie73qvlhkhvlrexljoyuklaad.onion/mallox/privateSignin
http://wtyafjyhwqrgo4a45wdvvwhen3cx4euie73qvlhkhvlrexljoyuklaad.onion
Targets
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Target
4674370e64733f2f634251da6967fe96f02ac4654543b36b1b80e765495bfe4e
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Size
346KB
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MD5
42b91f11d07c3937cf7507e37b994c99
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SHA1
7640568a86817717c51b129ea41078fdd9ff44c4
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SHA256
4674370e64733f2f634251da6967fe96f02ac4654543b36b1b80e765495bfe4e
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SHA512
1f367cfad9e230e5cd566ad17086d133108044fc8b898979f08426285d94e5e5a8bf3fd17dc8c8c65490efe782316ea92c09bcd82b1a106a08de2dbed7b54f49
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SSDEEP
6144:Mb3hsyXpHunpoE/T/iSIDexeohXdHV2z:cXpOpRlI8eoT
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 (235) files with added filename extension
This suggests ransomware activity of encrypting all the files on the system.
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Checks computer location settings
Looks up country code configured in the registry, likely geofence.
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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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