General
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Target
8eba2b306fae985e39005089e2d255056e67519aedac30724993643ab0fa1a46
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Size
348KB
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Sample
240531-f8j52agf7x
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MD5
d429c7f5e4f05da38f9a87ab592df606
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SHA1
e3d9c130fe2e97b25cd22999bfb7e8c6ed4ae57e
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SHA256
8eba2b306fae985e39005089e2d255056e67519aedac30724993643ab0fa1a46
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SHA512
b002b5d1fac84752acb4a24a1f684d267116ba1f77fc4fdd19d451d972cc201138c0063efeb9bdb33dc89d427ee7186d46cf7b45aa7e05165faf99066364998c
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SSDEEP
6144:zlkLEOs6Fq+sJ0iPVDoTZz0Jt2/y6mzawCESpOfzh+Me27OEjZAtFCmgH/prDx60:Jkts9+u6TZEtT6mzawAmz9Dz9AtQmgfD
Static task
static1
Behavioral task
behavioral1
Sample
8eba2b306fae985e39005089e2d255056e67519aedac30724993643ab0fa1a46.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
8eba2b306fae985e39005089e2d255056e67519aedac30724993643ab0fa1a46.exe
Resource
win10v2004-20240508-en
Malware Config
Extracted
C:\Users\Admin\Desktop\FILE RECOVERY.txt
targetcompany
http://wtyafjyhwqrgo4a45wdvvwhen3cx4euie73qvlhkhvlrexljoyuklaad.onion/mallox/privateSignin
http://wtyafjyhwqrgo4a45wdvvwhen3cx4euie73qvlhkhvlrexljoyuklaad.onion
Extracted
F:\$RECYCLE.BIN\FILE RECOVERY.txt
targetcompany
http://wtyafjyhwqrgo4a45wdvvwhen3cx4euie73qvlhkhvlrexljoyuklaad.onion/mallox/privateSignin
http://wtyafjyhwqrgo4a45wdvvwhen3cx4euie73qvlhkhvlrexljoyuklaad.onion
Targets
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Target
8eba2b306fae985e39005089e2d255056e67519aedac30724993643ab0fa1a46
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Size
348KB
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MD5
d429c7f5e4f05da38f9a87ab592df606
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SHA1
e3d9c130fe2e97b25cd22999bfb7e8c6ed4ae57e
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SHA256
8eba2b306fae985e39005089e2d255056e67519aedac30724993643ab0fa1a46
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SHA512
b002b5d1fac84752acb4a24a1f684d267116ba1f77fc4fdd19d451d972cc201138c0063efeb9bdb33dc89d427ee7186d46cf7b45aa7e05165faf99066364998c
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SSDEEP
6144:zlkLEOs6Fq+sJ0iPVDoTZz0Jt2/y6mzawCESpOfzh+Me27OEjZAtFCmgH/prDx60:Jkts9+u6TZEtT6mzawAmz9Dz9AtQmgfD
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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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Deletes shadow copies
Ransomware often targets backup files to inhibit system recovery.
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Renames multiple (2572) 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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Deletes itself
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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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MITRE ATT&CK Enterprise v15
Execution
System Services
1Service Execution
1Windows Management Instrumentation
1Defense Evasion
Impair Defenses
1Indicator Removal
2File Deletion
2Modify Registry
1