General
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Target
738ce784cf11c22a28156408f28b7106896557ef1b410f4b91f68e5b7711dd88
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Size
345KB
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Sample
240320-mz55gafa57
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MD5
12c722640a6c3e7a194a5d63c6694b89
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SHA1
ed5e37fd482cf3b571332b7162399879ccbd682b
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SHA256
738ce784cf11c22a28156408f28b7106896557ef1b410f4b91f68e5b7711dd88
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SHA512
da0ca434e1293e94e71783b8943a35da13b82680bb1ca091eb814246ebc6ab22eb11dc35b1a86628e54fbea38a88f4bf0e14b9af58ae929cb9fef730e8e1477c
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SSDEEP
6144:2Aps4bbIyJUXQQGrel8R8FN85Zohnhzf0Jn2KxXh:2aJtvcNGZoTIJnFh
Static task
static1
Behavioral task
behavioral1
Sample
738ce784cf11c22a28156408f28b7106896557ef1b410f4b91f68e5b7711dd88.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
738ce784cf11c22a28156408f28b7106896557ef1b410f4b91f68e5b7711dd88.exe
Resource
win10v2004-20240226-en
Malware Config
Extracted
C:\$Recycle.Bin\HOW TO BACK FILES.txt
targetcompany
http://wtyafjyhwqrgo4a45wdvvwhen3cx4euie73qvlhkhvlrexljoyuklaad.onion/mallox/privateSignin
http://wtyafjyhwqrgo4a45wdvvwhen3cx4euie73qvlhkhvlrexljoyuklaad.onion
Targets
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Target
738ce784cf11c22a28156408f28b7106896557ef1b410f4b91f68e5b7711dd88
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Size
345KB
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MD5
12c722640a6c3e7a194a5d63c6694b89
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SHA1
ed5e37fd482cf3b571332b7162399879ccbd682b
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SHA256
738ce784cf11c22a28156408f28b7106896557ef1b410f4b91f68e5b7711dd88
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SHA512
da0ca434e1293e94e71783b8943a35da13b82680bb1ca091eb814246ebc6ab22eb11dc35b1a86628e54fbea38a88f4bf0e14b9af58ae929cb9fef730e8e1477c
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SSDEEP
6144:2Aps4bbIyJUXQQGrel8R8FN85Zohnhzf0Jn2KxXh:2aJtvcNGZoTIJnFh
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 (2722) 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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