General
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Target
4112fd7d49336a390f856b252e13d9b198b54307e5499a00df45ac66c8211854N.exe
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Size
1.3MB
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Sample
241124-23lybsvlay
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MD5
a3dfc070755d94030ad0e7627a0c8440
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SHA1
f770be3504c1846226302c1b61ac55a379fb913c
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SHA256
4112fd7d49336a390f856b252e13d9b198b54307e5499a00df45ac66c8211854
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SHA512
6426241b13edfa3ea3d0538a52581f31f7b5fb5e1a7389fe2a2c4b05349bd572b8362ca55d969067ab2ad6d6f8fdfc6aca63a371ad2e0e5820425f2c730e1ca3
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SSDEEP
24576:pJutuFWvPDnW22ibKGed8oZ2abjmiJlUafCz2BSTZQMS0fUwSB2dyKcjNyqkPL:S0m2yKGUZ/bqgiax2eESB2dOkP
Static task
static1
Behavioral task
behavioral1
Sample
4112fd7d49336a390f856b252e13d9b198b54307e5499a00df45ac66c8211854N.exe
Resource
win7-20241010-en
Behavioral task
behavioral2
Sample
4112fd7d49336a390f856b252e13d9b198b54307e5499a00df45ac66c8211854N.exe
Resource
win10v2004-20241007-en
Malware Config
Extracted
\Device\HarddiskVolume1\HOW TO BACK FILES.txt
targetcompany
http://wtyafjyhwqrgo4a45wdvvwhen3cx4euie73qvlhkhvlrexljoyuklaad.onion/mallox/privateSignin
http://wtyafjyhwqrgo4a45wdvvwhen3cx4euie73qvlhkhvlrexljoyuklaad.onion
Targets
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Target
4112fd7d49336a390f856b252e13d9b198b54307e5499a00df45ac66c8211854N.exe
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Size
1.3MB
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MD5
a3dfc070755d94030ad0e7627a0c8440
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SHA1
f770be3504c1846226302c1b61ac55a379fb913c
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SHA256
4112fd7d49336a390f856b252e13d9b198b54307e5499a00df45ac66c8211854
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SHA512
6426241b13edfa3ea3d0538a52581f31f7b5fb5e1a7389fe2a2c4b05349bd572b8362ca55d969067ab2ad6d6f8fdfc6aca63a371ad2e0e5820425f2c730e1ca3
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SSDEEP
24576:pJutuFWvPDnW22ibKGed8oZ2abjmiJlUafCz2BSTZQMS0fUwSB2dyKcjNyqkPL:S0m2yKGUZ/bqgiax2eESB2dOkP
Score10/10-
Suspicious use of NtCreateUserProcessOtherParentProcess
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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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Targetcompany family
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Modifies boot configuration data using bcdedit
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Renames multiple (6537) files with added filename extension
This suggests ransomware activity of encrypting all the files on the system.
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Drops startup file
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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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Suspicious use of SetThreadContext
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