General
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Target
a4d89bc54d799a475ea323d33599ad7c570b3b0e20366c5a3ac39303f73aa466
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Size
369KB
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Sample
240320-m1636afa79
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MD5
879f9960c061e20927d8f28d241351a0
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SHA1
a190fd73141fe9380653f5fe0e4177918bfb26f9
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SHA256
a4d89bc54d799a475ea323d33599ad7c570b3b0e20366c5a3ac39303f73aa466
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SHA512
cd41a31511d4681559cd35a8dfcb53791782e25a81736bf02617464d53e1f1ade78a2f153dbb380760c6ccdfbb14edbdb4357ba443d0a8ed90c59cf49136aee9
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SSDEEP
6144:60zKnViNh0U2FwGLpKf3F1n8E18B0rPHZTE15xv/XcD:cnViNmU26kwf3F6w8WjHZTe59c
Static task
static1
Behavioral task
behavioral1
Sample
a4d89bc54d799a475ea323d33599ad7c570b3b0e20366c5a3ac39303f73aa466.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
a4d89bc54d799a475ea323d33599ad7c570b3b0e20366c5a3ac39303f73aa466.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
a4d89bc54d799a475ea323d33599ad7c570b3b0e20366c5a3ac39303f73aa466
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Size
369KB
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MD5
879f9960c061e20927d8f28d241351a0
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SHA1
a190fd73141fe9380653f5fe0e4177918bfb26f9
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SHA256
a4d89bc54d799a475ea323d33599ad7c570b3b0e20366c5a3ac39303f73aa466
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SHA512
cd41a31511d4681559cd35a8dfcb53791782e25a81736bf02617464d53e1f1ade78a2f153dbb380760c6ccdfbb14edbdb4357ba443d0a8ed90c59cf49136aee9
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SSDEEP
6144:60zKnViNh0U2FwGLpKf3F1n8E18B0rPHZTE15xv/XcD:cnViNmU26kwf3F6w8WjHZTe59c
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 (7236) 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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