General
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Target
40c3fe2af51ddb86b33a2ba395f341192710bea911fa9d9904fb22a395e3ee63
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Size
370KB
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Sample
240308-z6yp7ahb3z
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MD5
074ed7619b968a6f609b58297a86e86d
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SHA1
f0dbcb60598d521896924ab40b7ea8837f14c2b1
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SHA256
40c3fe2af51ddb86b33a2ba395f341192710bea911fa9d9904fb22a395e3ee63
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SHA512
a133aa304c1cb07a31a1640c0b57ffadf3228e248409e2ca172a504bd54dee00ce522fbd879c4d6a1e353ba7a7a1d33e5b91bfff3c1bb47e070b3d1e2d1559a7
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SSDEEP
6144:d0H9hC0Ad6SkwEcXDVVIrElO2Z3WhrGJpxxFe50QZ2BCn:shnAd6SJxhVIrELBWhGJpxClEy
Static task
static1
Behavioral task
behavioral1
Sample
40c3fe2af51ddb86b33a2ba395f341192710bea911fa9d9904fb22a395e3ee63.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
40c3fe2af51ddb86b33a2ba395f341192710bea911fa9d9904fb22a395e3ee63.exe
Resource
win10v2004-20240226-en
Malware Config
Extracted
C:\$Recycle.Bin\HOW TO BACK FILES.txt
targetcompany
http://wtyafjyhwqrgo4a45wdvvwhen3cx4euie73qvlhkhvlrexljoyuklaad.onion/mallox/privateSignin
http://wtyafjyhwqrgo4a45wdvvwhen3cx4euie73qvlhkhvlrexljoyuklaad.onion
Extracted
F:\$RECYCLE.BIN\S-1-5-21-1904519900-954640453-4250331663-1000\HOW TO BACK FILES.txt
targetcompany
http://wtyafjyhwqrgo4a45wdvvwhen3cx4euie73qvlhkhvlrexljoyuklaad.onion/mallox/privateSignin
http://wtyafjyhwqrgo4a45wdvvwhen3cx4euie73qvlhkhvlrexljoyuklaad.onion
Targets
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Target
40c3fe2af51ddb86b33a2ba395f341192710bea911fa9d9904fb22a395e3ee63
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Size
370KB
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MD5
074ed7619b968a6f609b58297a86e86d
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SHA1
f0dbcb60598d521896924ab40b7ea8837f14c2b1
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SHA256
40c3fe2af51ddb86b33a2ba395f341192710bea911fa9d9904fb22a395e3ee63
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SHA512
a133aa304c1cb07a31a1640c0b57ffadf3228e248409e2ca172a504bd54dee00ce522fbd879c4d6a1e353ba7a7a1d33e5b91bfff3c1bb47e070b3d1e2d1559a7
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SSDEEP
6144:d0H9hC0Ad6SkwEcXDVVIrElO2Z3WhrGJpxxFe50QZ2BCn:shnAd6SJxhVIrELBWhGJpxClEy
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 (5162) 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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