General
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Target
36c7faa6bef7953ed7a6e22616a5aa00c5874a37a57652332905b770514541e1
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Size
696KB
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Sample
240309-bet1xsah97
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MD5
18d5ad871cdce67ac8e69b7309346912
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SHA1
4d43bd9863fb9741cdc3448e468413b075fa94b6
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SHA256
36c7faa6bef7953ed7a6e22616a5aa00c5874a37a57652332905b770514541e1
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SHA512
c20ebeaeed7d289d37240cc9a6cfc6461fafe2c5f2a30f74d9a78c4e50bb193b42fad8d6e2f8a7bec5ce039c3671ae04f100a7d95349e989100d45385056a828
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SSDEEP
12288:erbZQ2keCJAC9bPFcWAJn8dl3PQMwHtxY1UKitmuNHE:efZiz5l/DwnY8t1k
Static task
static1
Behavioral task
behavioral1
Sample
36c7faa6bef7953ed7a6e22616a5aa00c5874a37a57652332905b770514541e1.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
36c7faa6bef7953ed7a6e22616a5aa00c5874a37a57652332905b770514541e1.exe
Resource
win10v2004-20231215-en
Malware Config
Extracted
C:\$Recycle.Bin\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
36c7faa6bef7953ed7a6e22616a5aa00c5874a37a57652332905b770514541e1
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Size
696KB
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MD5
18d5ad871cdce67ac8e69b7309346912
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SHA1
4d43bd9863fb9741cdc3448e468413b075fa94b6
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SHA256
36c7faa6bef7953ed7a6e22616a5aa00c5874a37a57652332905b770514541e1
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SHA512
c20ebeaeed7d289d37240cc9a6cfc6461fafe2c5f2a30f74d9a78c4e50bb193b42fad8d6e2f8a7bec5ce039c3671ae04f100a7d95349e989100d45385056a828
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SSDEEP
12288:erbZQ2keCJAC9bPFcWAJn8dl3PQMwHtxY1UKitmuNHE:efZiz5l/DwnY8t1k
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 (7288) 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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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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