General
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Target
35bc05784240f31ecbeb973d3d5b6222a97b32c12d00fc7ee571889bcbff2c36
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Size
345KB
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Sample
240320-myyzrsff61
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MD5
56e177b5531d8df372c2e538faabe309
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SHA1
37ea1231584e927d8ac98c75286eaf116eece09f
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SHA256
35bc05784240f31ecbeb973d3d5b6222a97b32c12d00fc7ee571889bcbff2c36
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SHA512
bb5967850e9b894b03dd22665148c2ae07e877b27bade097ed9615d7b5c1b05d0270607559b4006df350859e4a8250762a7b199f913d258a9a67ae95b2292825
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SSDEEP
6144:1Aps4bbIyJUXQQGrel8R8FN85Zohnhnf0Jn2ixXh:1aJtvcNGZoTsJnth
Static task
static1
Behavioral task
behavioral1
Sample
35bc05784240f31ecbeb973d3d5b6222a97b32c12d00fc7ee571889bcbff2c36.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
35bc05784240f31ecbeb973d3d5b6222a97b32c12d00fc7ee571889bcbff2c36.exe
Resource
win10v2004-20240226-en
Malware Config
Extracted
F:\$RECYCLE.BIN\HOW TO BACK FILES.txt
targetcompany
http://wtyafjyhwqrgo4a45wdvvwhen3cx4euie73qvlhkhvlrexljoyuklaad.onion/mallox/privateSignin
http://wtyafjyhwqrgo4a45wdvvwhen3cx4euie73qvlhkhvlrexljoyuklaad.onion
Targets
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Target
35bc05784240f31ecbeb973d3d5b6222a97b32c12d00fc7ee571889bcbff2c36
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Size
345KB
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MD5
56e177b5531d8df372c2e538faabe309
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SHA1
37ea1231584e927d8ac98c75286eaf116eece09f
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SHA256
35bc05784240f31ecbeb973d3d5b6222a97b32c12d00fc7ee571889bcbff2c36
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SHA512
bb5967850e9b894b03dd22665148c2ae07e877b27bade097ed9615d7b5c1b05d0270607559b4006df350859e4a8250762a7b199f913d258a9a67ae95b2292825
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SSDEEP
6144:1Aps4bbIyJUXQQGrel8R8FN85Zohnhnf0Jn2ixXh:1aJtvcNGZoTsJnth
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 (2705) 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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