General
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Target
40f0b4adc3cddc29fe86fa3c24234370_NEIKI
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Size
478KB
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Sample
240507-1kkrwahc6t
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MD5
40f0b4adc3cddc29fe86fa3c24234370
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SHA1
d537d88c6ed9486e0393d26b62f1f69c69f28fdb
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SHA256
8d14caf2b7facc663a3de45bdc7f150416a3333db99a1b26e73bf5b1e33b3ad3
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SHA512
39be9dd3e3972e8a756b8248297664b49f910f3f52748db2dc7736eb74b0d30977b84ae17f5cd3915d75a7dc9445c91172e64535bdff791571cf389440d2577b
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SSDEEP
6144:c0wRnIjf/I/e7Vwb1oxST1NSfEwDbVWxxsBht37b8o6XCFYmXGU/nVnIyZH:aee5oxSTfSPVWxxAhtIlXCGmfnVPR
Static task
static1
Behavioral task
behavioral1
Sample
40f0b4adc3cddc29fe86fa3c24234370_NEIKI.exe
Resource
win7-20240220-en
Behavioral task
behavioral2
Sample
40f0b4adc3cddc29fe86fa3c24234370_NEIKI.exe
Resource
win10v2004-20240419-en
Malware Config
Extracted
C:\$Recycle.Bin\HOW TO BACK FILES.txt
targetcompany
http://wtyafjyhwqrgo4a45wdvvwhen3cx4euie73qvlhkhvlrexljoyuklaad.onion/mallox/privateSignin
http://wtyafjyhwqrgo4a45wdvvwhen3cx4euie73qvlhkhvlrexljoyuklaad.onion
Extracted
C:\$Recycle.Bin\HOW TO BACK FILES.txt
targetcompany
http://wtyafjyhwqrgo4a45wdvvwhen3cx4euie73qvlhkhvlrexljoyuklaad.onion/mallox/privateSignin
http://wtyafjyhwqrgo4a45wdvvwhen3cx4euie73qvlhkhvlrexljoyuklaad.onion
Targets
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Target
40f0b4adc3cddc29fe86fa3c24234370_NEIKI
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Size
478KB
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MD5
40f0b4adc3cddc29fe86fa3c24234370
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SHA1
d537d88c6ed9486e0393d26b62f1f69c69f28fdb
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SHA256
8d14caf2b7facc663a3de45bdc7f150416a3333db99a1b26e73bf5b1e33b3ad3
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SHA512
39be9dd3e3972e8a756b8248297664b49f910f3f52748db2dc7736eb74b0d30977b84ae17f5cd3915d75a7dc9445c91172e64535bdff791571cf389440d2577b
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SSDEEP
6144:c0wRnIjf/I/e7Vwb1oxST1NSfEwDbVWxxsBht37b8o6XCFYmXGU/nVnIyZH:aee5oxSTfSPVWxxAhtIlXCGmfnVPR
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 (7312) 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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