General
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Target
02b8b59cb96d956eeb7a9f07b24b8060db178e87bbbef111cd021d608aa6a05b
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Size
1.2MB
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Sample
240820-z165daxdlj
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MD5
20b09317a812739b2e57267af52d9573
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SHA1
5b43cc9644295d3e9343f5b85d5a42c3141903e9
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SHA256
02b8b59cb96d956eeb7a9f07b24b8060db178e87bbbef111cd021d608aa6a05b
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SHA512
d7cf58e8147927b6eb54da7949523cffec2740404829d2254fcc509ad7f321af95cfbf029a6dec39d84f429b5f3448af4d0a7e864504a8fec6cdc5fbb67594dd
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SSDEEP
24576:pBak8mJasn3oJXg6KcPMYw9ZPa8lD19/MBA8Hmn7x2ID/+HUVg:pMmJ5YJDs39ZZ9/4tmndPoUV
Static task
static1
Behavioral task
behavioral1
Sample
02b8b59cb96d956eeb7a9f07b24b8060db178e87bbbef111cd021d608aa6a05b.exe
Resource
win7-20240708-en
Behavioral task
behavioral2
Sample
02b8b59cb96d956eeb7a9f07b24b8060db178e87bbbef111cd021d608aa6a05b.exe
Resource
win10v2004-20240802-en
Malware Config
Extracted
C:\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
02b8b59cb96d956eeb7a9f07b24b8060db178e87bbbef111cd021d608aa6a05b
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Size
1.2MB
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MD5
20b09317a812739b2e57267af52d9573
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SHA1
5b43cc9644295d3e9343f5b85d5a42c3141903e9
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SHA256
02b8b59cb96d956eeb7a9f07b24b8060db178e87bbbef111cd021d608aa6a05b
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SHA512
d7cf58e8147927b6eb54da7949523cffec2740404829d2254fcc509ad7f321af95cfbf029a6dec39d84f429b5f3448af4d0a7e864504a8fec6cdc5fbb67594dd
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SSDEEP
24576:pBak8mJasn3oJXg6KcPMYw9ZPa8lD19/MBA8Hmn7x2ID/+HUVg:pMmJ5YJDs39ZZ9/4tmndPoUV
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 (182) files with added filename extension
This suggests ransomware activity of encrypting all the files on the system.
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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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