General
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Target
daf06fb739587926e4d8f1346e9b8b5a8a4e37d075794239dc38deff199762bd
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Size
409KB
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Sample
240320-m2sxxsfa95
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MD5
76192169b76b556098161d151f051fc4
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SHA1
1c394ed5b70e032d05ce3c2214d8da4d5ecebe45
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SHA256
daf06fb739587926e4d8f1346e9b8b5a8a4e37d075794239dc38deff199762bd
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SHA512
5c28d601e7a8c385cd12a5547487cde938a3b662744e619d2d6dfb8e1a9d83cb471929e39f17e0a85f681aa1d93cbdff7699b942aa89e8b9cfeaeec51faaa1ab
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SSDEEP
6144:c0LeYyBiqCw5wLzsEtA6We/p14a0q/fJ5RfzCH:KYyB7Cw+MEtA6db4pq/B/C
Static task
static1
Behavioral task
behavioral1
Sample
daf06fb739587926e4d8f1346e9b8b5a8a4e37d075794239dc38deff199762bd.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
daf06fb739587926e4d8f1346e9b8b5a8a4e37d075794239dc38deff199762bd.exe
Resource
win10v2004-20240226-en
Malware Config
Extracted
F:\$RECYCLE.BIN\S-1-5-21-1658372521-4246568289-2509113762-1000\HOW TO BACK FILES.txt
targetcompany
http://wtyafjyhwqrgo4a45wdvvwhen3cx4euie73qvlhkhvlrexljoyuklaad.onion/mallox/privateSignin
http://wtyafjyhwqrgo4a45wdvvwhen3cx4euie73qvlhkhvlrexljoyuklaad.onion
Extracted
C:\HOW TO BACK FILES.txt
targetcompany
http://wtyafjyhwqrgo4a45wdvvwhen3cx4euie73qvlhkhvlrexljoyuklaad.onion/mallox/privateSignin
http://wtyafjyhwqrgo4a45wdvvwhen3cx4euie73qvlhkhvlrexljoyuklaad.onion
Targets
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Target
daf06fb739587926e4d8f1346e9b8b5a8a4e37d075794239dc38deff199762bd
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Size
409KB
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MD5
76192169b76b556098161d151f051fc4
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SHA1
1c394ed5b70e032d05ce3c2214d8da4d5ecebe45
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SHA256
daf06fb739587926e4d8f1346e9b8b5a8a4e37d075794239dc38deff199762bd
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SHA512
5c28d601e7a8c385cd12a5547487cde938a3b662744e619d2d6dfb8e1a9d83cb471929e39f17e0a85f681aa1d93cbdff7699b942aa89e8b9cfeaeec51faaa1ab
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SSDEEP
6144:c0LeYyBiqCw5wLzsEtA6We/p14a0q/fJ5RfzCH:KYyB7Cw+MEtA6db4pq/B/C
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 (7172) 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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