General
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Target
1c4a33605897f3b35152612d4a49203ad22eeb85aea718402f43faa719600e46
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Size
718KB
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Sample
240524-k3f9eaca9w
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MD5
4f9457de9d44585d5c6decf2ef58ce65
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SHA1
2381e70d04adad9ed0fac9e0e62511ae99ca66b8
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SHA256
1c4a33605897f3b35152612d4a49203ad22eeb85aea718402f43faa719600e46
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SHA512
9240d27c0ca200b7ae7d0f44734e66fb1f07ea1dc89bbeb3b993399d2e6590b4403d4bd03bf8f6a6cf75ab040e6ff914f212648849c81d21e6bd75c9df6bee6b
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SSDEEP
12288:ZfqT3gtgKwrNjuDwtTw2oseyA6gAfTu1oeeSTP4NvQe0m6j3hJLH:ZfuQdUxuDwjoFF6bu6efe0mQ3hJLH
Static task
static1
Behavioral task
behavioral1
Sample
1c4a33605897f3b35152612d4a49203ad22eeb85aea718402f43faa719600e46.exe
Resource
win10v2004-20240508-en
Behavioral task
behavioral2
Sample
1c4a33605897f3b35152612d4a49203ad22eeb85aea718402f43faa719600e46.exe
Resource
win11-20240419-en
Malware Config
Extracted
djvu
http://cajgtus.com/test1/get.php
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extension
.vepi
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offline_id
EGfa5svnSGFJka7LZBQoqff0QtO1IpTauoDvGvt1
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payload_url
http://sdfjhuz.com/dl/build2.exe
http://cajgtus.com/files/1/build3.exe
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ransomnote
ATTENTION! Don't worry, you can return all your files! All your files like pictures, databases, documents and other important are encrypted with strongest encryption and unique key. The only method of recovering files is to purchase decrypt tool and unique key for you. This software will decrypt all your encrypted files. What guarantees you have? You can send one of your encrypted file from your PC and we decrypt it for free. But we can decrypt only 1 file for free. File must not contain valuable information. Do not ask assistants from youtube and recovery data sites for help in recovering your data. They can use your free decryption quota and scam you. Our contact is emails in this text document only. You can get and look video overview decrypt tool: https://wetransfer.com/downloads/33b490a613f49fa190924f199d2c079e20240512191214/caaf73 Price of private key and decrypt software is $999. Discount 50% available if you contact us first 72 hours, that's price for you is $499. Please note that you'll never restore your data without payment. Check your e-mail "Spam" or "Junk" folder if you don't get answer more than 6 hours. To get this software you need write on our e-mail: [email protected] Reserve e-mail address to contact us: [email protected] Your personal ID: 0871PsawqS
Targets
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Target
1c4a33605897f3b35152612d4a49203ad22eeb85aea718402f43faa719600e46
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Size
718KB
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MD5
4f9457de9d44585d5c6decf2ef58ce65
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SHA1
2381e70d04adad9ed0fac9e0e62511ae99ca66b8
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SHA256
1c4a33605897f3b35152612d4a49203ad22eeb85aea718402f43faa719600e46
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SHA512
9240d27c0ca200b7ae7d0f44734e66fb1f07ea1dc89bbeb3b993399d2e6590b4403d4bd03bf8f6a6cf75ab040e6ff914f212648849c81d21e6bd75c9df6bee6b
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SSDEEP
12288:ZfqT3gtgKwrNjuDwtTw2oseyA6gAfTu1oeeSTP4NvQe0m6j3hJLH:ZfuQdUxuDwjoFF6bu6efe0mQ3hJLH
Score10/10-
Detected Djvu ransomware
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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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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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