General
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Target
7ca5d9d6359a3de18fb10958cc4c5cf10f20611a166896f306153d11ba86c9ed
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Size
370KB
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Sample
240309-h2mcxsef6z
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MD5
26d8f7f15f7a51b21bdd234c07240494
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SHA1
2ffaa89c5c57e2d7535fbb30186a0a70c2873f77
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SHA256
7ca5d9d6359a3de18fb10958cc4c5cf10f20611a166896f306153d11ba86c9ed
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SHA512
3b178b9b8fee46604ecabaa4a0ab6bf1c1d46a94dab66085b6c04e7144d638ad1d9215fdc980505da4d31600f0dcd16f816de17ce91ed8f4a68eae6a773d7e3b
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SSDEEP
6144:80gfO/yZd9sw69XKKbH308uOGKP/bxPiIrET3czBg:M4yZd9xXKbHhJGulP+P
Static task
static1
Behavioral task
behavioral1
Sample
7ca5d9d6359a3de18fb10958cc4c5cf10f20611a166896f306153d11ba86c9ed.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
7ca5d9d6359a3de18fb10958cc4c5cf10f20611a166896f306153d11ba86c9ed.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
Extracted
\Device\HarddiskVolume1\HOW TO BACK FILES.txt
targetcompany
http://wtyafjyhwqrgo4a45wdvvwhen3cx4euie73qvlhkhvlrexljoyuklaad.onion/mallox/privateSignin
http://wtyafjyhwqrgo4a45wdvvwhen3cx4euie73qvlhkhvlrexljoyuklaad.onion
Targets
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Target
7ca5d9d6359a3de18fb10958cc4c5cf10f20611a166896f306153d11ba86c9ed
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Size
370KB
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MD5
26d8f7f15f7a51b21bdd234c07240494
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SHA1
2ffaa89c5c57e2d7535fbb30186a0a70c2873f77
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SHA256
7ca5d9d6359a3de18fb10958cc4c5cf10f20611a166896f306153d11ba86c9ed
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SHA512
3b178b9b8fee46604ecabaa4a0ab6bf1c1d46a94dab66085b6c04e7144d638ad1d9215fdc980505da4d31600f0dcd16f816de17ce91ed8f4a68eae6a773d7e3b
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SSDEEP
6144:80gfO/yZd9sw69XKKbH308uOGKP/bxPiIrET3czBg:M4yZd9xXKbHhJGulP+P
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 (7298) 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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