General
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Target
c4c71690ff4a51f824ed4aeeb9230d0a9d846d289fbc9b228578f776e80cba18.exe
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Size
716KB
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Sample
240524-ypfmlshb6y
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MD5
2a02c81a9994f011090e174bb076ec9b
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SHA1
50cf1a96d5e2945143b6fb3484b124d41349c77c
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SHA256
c4c71690ff4a51f824ed4aeeb9230d0a9d846d289fbc9b228578f776e80cba18
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SHA512
d6d44ee8d3cb1a39228e24f669e86ee871f0bef7b3348924b63e4b067b0ccf0f9f00333fa55d7f46b18dcd13fb4144e83e2611d118557639aa837861eb51342a
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SSDEEP
12288:0k0wJoEANTCwX67nsbdxnZF2+9R32y1Cbd8n34rtzjg1S0lWEKm:0kVCGwX6LsbS+9Uy1CxCwtQkeKm
Static task
static1
Behavioral task
behavioral1
Sample
c4c71690ff4a51f824ed4aeeb9230d0a9d846d289fbc9b228578f776e80cba18.exe
Resource
win7-20240508-en
Behavioral task
behavioral2
Sample
c4c71690ff4a51f824ed4aeeb9230d0a9d846d289fbc9b228578f776e80cba18.exe
Resource
win10v2004-20240426-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
c4c71690ff4a51f824ed4aeeb9230d0a9d846d289fbc9b228578f776e80cba18.exe
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Size
716KB
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MD5
2a02c81a9994f011090e174bb076ec9b
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SHA1
50cf1a96d5e2945143b6fb3484b124d41349c77c
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SHA256
c4c71690ff4a51f824ed4aeeb9230d0a9d846d289fbc9b228578f776e80cba18
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SHA512
d6d44ee8d3cb1a39228e24f669e86ee871f0bef7b3348924b63e4b067b0ccf0f9f00333fa55d7f46b18dcd13fb4144e83e2611d118557639aa837861eb51342a
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SSDEEP
12288:0k0wJoEANTCwX67nsbdxnZF2+9R32y1Cbd8n34rtzjg1S0lWEKm:0kVCGwX6LsbS+9Uy1CxCwtQkeKm
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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