General
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Target
6be2b4ae091e170fe4a53519a01feb229c2062f0da39923f628cf764c10e4b5c
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Size
440KB
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Sample
240320-mth3rafe6x
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MD5
1fd22d479393ef533918ecebb145d1e0
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SHA1
6ebd97682c08a6e8d25e489762c956e2374b6663
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SHA256
6be2b4ae091e170fe4a53519a01feb229c2062f0da39923f628cf764c10e4b5c
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SHA512
715c69dccb6ed42278284bfc53dd8f7d07caca1b09e68eb4e59319afc0a5ac6c536bdeb95c2a03a3cab3ef6ee28eb309a7b9822e22760bb12c096d3c1ee74cfa
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SSDEEP
12288:GElIOIAeHc4MrTfLES5q8oX0Y4MjD6Opp:GE33e6DEkq8oEdMjD6O
Static task
static1
Behavioral task
behavioral1
Sample
6be2b4ae091e170fe4a53519a01feb229c2062f0da39923f628cf764c10e4b5c.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
6be2b4ae091e170fe4a53519a01feb229c2062f0da39923f628cf764c10e4b5c.exe
Resource
win10v2004-20240226-en
Malware Config
Extracted
C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Cookies\Low\HOW TO BACK FILES.txt
targetcompany
http://wtyafjyhwqrgo4a45wdvvwhen3cx4euie73qvlhkhvlrexljoyuklaad.onion/mallox/privateSignin
http://wtyafjyhwqrgo4a45wdvvwhen3cx4euie73qvlhkhvlrexljoyuklaad.onion
Extracted
C:\Users\Admin\Contacts\HOW TO BACK FILES.txt
targetcompany
http://wtyafjyhwqrgo4a45wdvvwhen3cx4euie73qvlhkhvlrexljoyuklaad.onion/mallox/privateSignin
http://wtyafjyhwqrgo4a45wdvvwhen3cx4euie73qvlhkhvlrexljoyuklaad.onion
Targets
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Target
6be2b4ae091e170fe4a53519a01feb229c2062f0da39923f628cf764c10e4b5c
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Size
440KB
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MD5
1fd22d479393ef533918ecebb145d1e0
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SHA1
6ebd97682c08a6e8d25e489762c956e2374b6663
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SHA256
6be2b4ae091e170fe4a53519a01feb229c2062f0da39923f628cf764c10e4b5c
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SHA512
715c69dccb6ed42278284bfc53dd8f7d07caca1b09e68eb4e59319afc0a5ac6c536bdeb95c2a03a3cab3ef6ee28eb309a7b9822e22760bb12c096d3c1ee74cfa
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SSDEEP
12288:GElIOIAeHc4MrTfLES5q8oX0Y4MjD6Opp:GE33e6DEkq8oEdMjD6O
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PureLog Stealer payload
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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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Modifies boot configuration data using bcdedit
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Renames multiple (7305) 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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Modifies file permissions
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Adds Run key to start application
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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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