General
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Target
malware
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Size
143KB
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Sample
240414-rvkp7acb4s
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MD5
99bfaaacebf1b34fdebd4e7ce4070a36
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SHA1
2e4080a5a71ad5030b9cab6e1465a5777ea57cf2
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SHA256
c0e35b19f97021416e3724006511afc95d6aa409404e812d8c62b955bc917d3c
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SHA512
899e0ee99ebc0a27cdb499cbce6e0190d6af260c35c54456c55dcf2b5ce9cdef78f6d8d85ed3ecaf618c282d2eb47cd1b2433d915480ccf9e5c39de9ba0d8bad
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SSDEEP
3072:JpcKbMfUcJItoKrBLbsdKIQD8i4WT7BTxvrSa6wKKmhgsLSLonChYgV:Jpc7UcJImWLGKIFKpT8KdaCegV
Static task
static1
Behavioral task
behavioral1
Sample
malware.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
malware.exe
Resource
win10v2004-20240412-en
Malware Config
Extracted
F:\FILE RECOVERY.txt
targetcompany
http://wtyafjyhwqrgo4a45wdvvwhen3cx4euie73qvlhkhvlrexljoyuklaad.onion/mallox/privateSignin
http://wtyafjyhwqrgo4a45wdvvwhen3cx4euie73qvlhkhvlrexljoyuklaad.onion
Extracted
C:\$Recycle.Bin\FILE RECOVERY.txt
targetcompany
http://wtyafjyhwqrgo4a45wdvvwhen3cx4euie73qvlhkhvlrexljoyuklaad.onion/mallox/privateSignin
http://wtyafjyhwqrgo4a45wdvvwhen3cx4euie73qvlhkhvlrexljoyuklaad.onion
Targets
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Target
malware
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Size
143KB
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MD5
99bfaaacebf1b34fdebd4e7ce4070a36
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SHA1
2e4080a5a71ad5030b9cab6e1465a5777ea57cf2
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SHA256
c0e35b19f97021416e3724006511afc95d6aa409404e812d8c62b955bc917d3c
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SHA512
899e0ee99ebc0a27cdb499cbce6e0190d6af260c35c54456c55dcf2b5ce9cdef78f6d8d85ed3ecaf618c282d2eb47cd1b2433d915480ccf9e5c39de9ba0d8bad
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SSDEEP
3072:JpcKbMfUcJItoKrBLbsdKIQD8i4WT7BTxvrSa6wKKmhgsLSLonChYgV:Jpc7UcJImWLGKIFKpT8KdaCegV
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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Renames multiple (2574) files with added filename extension
This suggests ransomware activity of encrypting all the files on the system.
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Stops running service(s)
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Checks computer location settings
Looks up country code configured in the registry, likely geofence.
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Deletes itself
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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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