General
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Target
90570f4d0c891fa402ebd9e717f2e336cdadaffc408b345e4d347a2f84265f35
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Size
370KB
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Sample
240320-m1tg3afa69
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MD5
68c18c6e22a5803ddd0844d8e55cf6c1
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SHA1
ab98918ccfab525a92756dc5289e0af13e3a1d5d
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SHA256
90570f4d0c891fa402ebd9e717f2e336cdadaffc408b345e4d347a2f84265f35
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SHA512
8581ad22c0104777290837f977439f3d466926c62f741982abcec860ed5379ffaea99c15fcbc133495662f8a028fc7b487ab52338125a00bfd267a60867e24f8
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SSDEEP
6144:l0gfMLaZd9sw69XKKDH308uOGKP/bxXuIrEL3/zBg:NiaZd9xXKDHhJGulX6S
Static task
static1
Behavioral task
behavioral1
Sample
90570f4d0c891fa402ebd9e717f2e336cdadaffc408b345e4d347a2f84265f35.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
90570f4d0c891fa402ebd9e717f2e336cdadaffc408b345e4d347a2f84265f35.exe
Resource
win10v2004-20240226-en
Malware Config
Extracted
\Device\HarddiskVolume1\HOW TO BACK FILES.txt
targetcompany
http://wtyafjyhwqrgo4a45wdvvwhen3cx4euie73qvlhkhvlrexljoyuklaad.onion/mallox/privateSignin
http://wtyafjyhwqrgo4a45wdvvwhen3cx4euie73qvlhkhvlrexljoyuklaad.onion
Extracted
C:\Users\Admin\Contacts\HOW TO BACK FILES.txt
targetcompany
http://wtyafjyhwqrgo4a45wdvvwhen3cx4euie73qvlhkhvlrexljoyuklaad.onion/mallox/privateSignin
http://wtyafjyhwqrgo4a45wdvvwhen3cx4euie73qvlhkhvlrexljoyuklaad.onion
Targets
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Target
90570f4d0c891fa402ebd9e717f2e336cdadaffc408b345e4d347a2f84265f35
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Size
370KB
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MD5
68c18c6e22a5803ddd0844d8e55cf6c1
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SHA1
ab98918ccfab525a92756dc5289e0af13e3a1d5d
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SHA256
90570f4d0c891fa402ebd9e717f2e336cdadaffc408b345e4d347a2f84265f35
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SHA512
8581ad22c0104777290837f977439f3d466926c62f741982abcec860ed5379ffaea99c15fcbc133495662f8a028fc7b487ab52338125a00bfd267a60867e24f8
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SSDEEP
6144:l0gfMLaZd9sw69XKKDH308uOGKP/bxXuIrEL3/zBg:NiaZd9xXKDHhJGulX6S
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 (7207) 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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