General
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Target
admin.exe
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Size
478KB
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Sample
240319-cg6ceaed52
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MD5
9f908f344ec041cc1ebe5324da2cf183
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SHA1
ec06c0d4c38acdd61e2bf940ae70b98a4661a08a
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SHA256
2f5fac1ababd213d8010eda9ccb5320f25fd0f2e95bb86154bf7e8bcad6fc4dc
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SHA512
494d4184e6e31af9b5dc04fcd807456899f789069b487e7a7e56b2d9dbba2f47427b1c477ceab454713a1b380d155fe1396ddc9d93e966755941668588d16c17
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SSDEEP
6144:20wmbI4/D4SHvrxw6zaIST1w9wEPDasWxxsBhS37b8o6XCFyPwCMa6ynkxq/y:Vzv66zaISTW9asWxxAh4IlXC4PUyMq/
Static task
static1
Behavioral task
behavioral1
Sample
admin.exe
Resource
win7-20231129-en
Behavioral task
behavioral2
Sample
admin.exe
Resource
win10v2004-20240226-en
Malware Config
Extracted
C:\HOW TO BACK FILES.txt
http://wtyafjyhwqrgo4a45wdvvwhen3cx4euie73qvlhkhvlrexljoyuklaad.onion/mallox/privateSignin
http://wtyafjyhwqrgo4a45wdvvwhen3cx4euie73qvlhkhvlrexljoyuklaad.onion
Extracted
\Device\HarddiskVolume1\HOW TO BACK FILES.txt
http://wtyafjyhwqrgo4a45wdvvwhen3cx4euie73qvlhkhvlrexljoyuklaad.onion/mallox/privateSignin
http://wtyafjyhwqrgo4a45wdvvwhen3cx4euie73qvlhkhvlrexljoyuklaad.onion
Targets
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Target
admin.exe
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Size
478KB
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MD5
9f908f344ec041cc1ebe5324da2cf183
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SHA1
ec06c0d4c38acdd61e2bf940ae70b98a4661a08a
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SHA256
2f5fac1ababd213d8010eda9ccb5320f25fd0f2e95bb86154bf7e8bcad6fc4dc
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SHA512
494d4184e6e31af9b5dc04fcd807456899f789069b487e7a7e56b2d9dbba2f47427b1c477ceab454713a1b380d155fe1396ddc9d93e966755941668588d16c17
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SSDEEP
6144:20wmbI4/D4SHvrxw6zaIST1w9wEPDasWxxsBhS37b8o6XCFyPwCMa6ynkxq/y:Vzv66zaISTW9asWxxAh4IlXC4PUyMq/
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 (7277) 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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