General
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Target
tmp
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Size
915KB
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Sample
240315-yp2vvahh5t
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MD5
4b90f9e1b74c0e79a7c6414d7dbfe0b8
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SHA1
6cda4311fb2558aafc496e4c193d7bb88a6d9e6b
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SHA256
5db8023447245906617f62d910ede059895ee337738844846d9553f2270df0ad
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SHA512
0cfd3dbb74f703bd71957649f2be78b6ab2ba414fc4634c51738d428abf8225b4a7c0f8938acf40d26555a4e40700f49b21627ca66ec14ef7be5b8109d90d11d
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SSDEEP
6144:eWyMTC6XtGBn6jiPiBbknj0+xuKxgiYyehF1p7F8ptE5yRd/JORBdH7kw/jeNz4:GfCkcKxJYFVW3Egfm1Y79o5bGsx8Om
Static task
static1
Behavioral task
behavioral1
Sample
tmp.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
tmp.exe
Resource
win10v2004-20240226-en
Malware Config
Extracted
F:\$RECYCLE.BIN\HOW TO BACK FILES.txt
targetcompany
http://wtyafjyhwqrgo4a45wdvvwhen3cx4euie73qvlhkhvlrexljoyuklaad.onion/mallox/privateSignin
http://wtyafjyhwqrgo4a45wdvvwhen3cx4euie73qvlhkhvlrexljoyuklaad.onion
Targets
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Target
tmp
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Size
915KB
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MD5
4b90f9e1b74c0e79a7c6414d7dbfe0b8
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SHA1
6cda4311fb2558aafc496e4c193d7bb88a6d9e6b
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SHA256
5db8023447245906617f62d910ede059895ee337738844846d9553f2270df0ad
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SHA512
0cfd3dbb74f703bd71957649f2be78b6ab2ba414fc4634c51738d428abf8225b4a7c0f8938acf40d26555a4e40700f49b21627ca66ec14ef7be5b8109d90d11d
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SSDEEP
6144:eWyMTC6XtGBn6jiPiBbknj0+xuKxgiYyehF1p7F8ptE5yRd/JORBdH7kw/jeNz4:GfCkcKxJYFVW3Egfm1Y79o5bGsx8Om
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Detect ZGRat V1
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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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Checks computer location settings
Looks up country code configured in the registry, likely geofence.
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Modifies file permissions
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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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