General
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Target
6b3bdf071c44fdffd4d6a4884c823e2cdc26df9c72e396afe00e42e95761d35c
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Size
337KB
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Sample
240309-jy1a2seh8x
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MD5
09ef5908cf7ee21a6005f237c38c3171
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SHA1
e8c7e758ff49edeade8b0fc25a16fb9c7f7d90e5
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SHA256
6b3bdf071c44fdffd4d6a4884c823e2cdc26df9c72e396afe00e42e95761d35c
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SHA512
e44b5601bc290de81c239fff6253ef76712698b7629a57ce6ef0338490c739ff38eca90924584d1fabfcce0addbd95625d206697e3f34983c7969dd1f2a15e71
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SSDEEP
6144:/0UEeLo+tRGwFfdhi/G45TDjwCZpwCc4T9dbh:8eLo+tRnFfz941ECTwCcuh
Static task
static1
Behavioral task
behavioral1
Sample
6b3bdf071c44fdffd4d6a4884c823e2cdc26df9c72e396afe00e42e95761d35c.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
6b3bdf071c44fdffd4d6a4884c823e2cdc26df9c72e396afe00e42e95761d35c.exe
Resource
win10v2004-20240226-en
Malware Config
Extracted
F:\$RECYCLE.BIN\S-1-5-21-406356229-2805545415-1236085040-1000\HOW TO BACK FILES.txt
targetcompany
http://wtyafjyhwqrgo4a45wdvvwhen3cx4euie73qvlhkhvlrexljoyuklaad.onion/mallox/privateSignin
http://wtyafjyhwqrgo4a45wdvvwhen3cx4euie73qvlhkhvlrexljoyuklaad.onion
Targets
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Target
6b3bdf071c44fdffd4d6a4884c823e2cdc26df9c72e396afe00e42e95761d35c
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Size
337KB
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MD5
09ef5908cf7ee21a6005f237c38c3171
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SHA1
e8c7e758ff49edeade8b0fc25a16fb9c7f7d90e5
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SHA256
6b3bdf071c44fdffd4d6a4884c823e2cdc26df9c72e396afe00e42e95761d35c
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SHA512
e44b5601bc290de81c239fff6253ef76712698b7629a57ce6ef0338490c739ff38eca90924584d1fabfcce0addbd95625d206697e3f34983c7969dd1f2a15e71
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SSDEEP
6144:/0UEeLo+tRGwFfdhi/G45TDjwCZpwCc4T9dbh:8eLo+tRnFfz941ECTwCcuh
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 (2680) 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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