General
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Target
17541178989.zip
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Size
7.4MB
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Sample
240603-lcsp7aaa4z
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MD5
b4398714fb1d346cc679d102787a5c53
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SHA1
8c54de012ecddac388d2425961c2f2546c776975
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SHA256
55a35e274170365cb002d6fb694f02fe5b69311aa610b4979166e48057c12191
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SHA512
7d4ab8ee326a3194ef407579df35538f0392a856eb0e25c70014f28f2c7d17c9f48af3bd7d1b087b87bf66742c1278bf1374bc2b3d6a0d6be1a52c9df298cf99
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SSDEEP
196608:fE/SXiVnsgof1qg9CVpXNfPi+OyF34YXoCKv5Ou7264kLM:fCSSV4tIr0DvvCKxOfx
Behavioral task
behavioral1
Sample
d6629a9b618ede05e9e75a2cebfb69bc7b1a34fe00a42ff60d88828a307c0d08.iso
Resource
win7-20240508-en
Behavioral task
behavioral2
Sample
d6629a9b618ede05e9e75a2cebfb69bc7b1a34fe00a42ff60d88828a307c0d08.iso
Resource
win10v2004-20240508-en
Malware Config
Extracted
C:\HOW TO BACK FILES.txt
http://wtyafjyhwqrgo4a45wdvvwhen3cx4euie73qvlhkhvlrexljoyuklaad.onion/mallox/privateSignin
http://wtyafjyhwqrgo4a45wdvvwhen3cx4euie73qvlhkhvlrexljoyuklaad.onion
Extracted
\Device\HarddiskVolume1\HOW TO BACK FILES.txt
http://wtyafjyhwqrgo4a45wdvvwhen3cx4euie73qvlhkhvlrexljoyuklaad.onion/mallox/privateSignin
http://wtyafjyhwqrgo4a45wdvvwhen3cx4euie73qvlhkhvlrexljoyuklaad.onion
Targets
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Target
d6629a9b618ede05e9e75a2cebfb69bc7b1a34fe00a42ff60d88828a307c0d08
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Size
544KB
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MD5
d201bd19e60d500963aff0c235b07727
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SHA1
341552a8650d2bdad5f3ec12e333e3153172ee66
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SHA256
d6629a9b618ede05e9e75a2cebfb69bc7b1a34fe00a42ff60d88828a307c0d08
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SHA512
4afa7da1bf2a86dc9a3b94b674ecffea638304c42c43c955631bbe29c605be673b7182ed1fcb8997c55c6bbd2a48e5ec46177e8327e9e903781d1ffb2abd991c
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SSDEEP
6144:h0wmbI4/Z4SHvrxw6zaIST1w9wEPDasWxxsBhS37b8o6XCFyPwCMa6qnXxq/y:Gzv66zaISTW9asWxxAh4IlXC4PUqBq/
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 (7262) 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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Executes dropped EXE
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Loads dropped DLL
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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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