General
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Target
a4af36c61b64682ff48cf4d0dbe0b8658495530794a0eff18b27e7733f7e9b0e
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Size
723KB
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Sample
240520-3b9qrabd7w
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MD5
cf31f76cedf0f73dcb2cc65650fa68c9
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SHA1
97f1c283ebe8f9ba84ff6c887ae9e4b783034345
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SHA256
a4af36c61b64682ff48cf4d0dbe0b8658495530794a0eff18b27e7733f7e9b0e
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SHA512
3ad9bcc6d2bd9ccb8d695e28debcddf9d2cbb6c3641e47fa754fed98d9158011838ef1b9b271974da8c50a68ad1894662a9c24cd2d0f2125b39551a1c5fdf72b
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SSDEEP
12288:Uf0N7gIQSs/QB5XFOKXgSy+cRbSHEd/BRwZUxE7p/oYtgY43:UwLs/QLFFgSytz/BKZiENAY+
Static task
static1
Behavioral task
behavioral1
Sample
a4af36c61b64682ff48cf4d0dbe0b8658495530794a0eff18b27e7733f7e9b0e.exe
Resource
win10v2004-20240226-en
Behavioral task
behavioral2
Sample
a4af36c61b64682ff48cf4d0dbe0b8658495530794a0eff18b27e7733f7e9b0e.exe
Resource
win11-20240426-en
Malware Config
Extracted
djvu
http://cajgtus.com/test2/get.php
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extension
.vehu
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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: 0872PsawqS
Targets
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Target
a4af36c61b64682ff48cf4d0dbe0b8658495530794a0eff18b27e7733f7e9b0e
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Size
723KB
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MD5
cf31f76cedf0f73dcb2cc65650fa68c9
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SHA1
97f1c283ebe8f9ba84ff6c887ae9e4b783034345
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SHA256
a4af36c61b64682ff48cf4d0dbe0b8658495530794a0eff18b27e7733f7e9b0e
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SHA512
3ad9bcc6d2bd9ccb8d695e28debcddf9d2cbb6c3641e47fa754fed98d9158011838ef1b9b271974da8c50a68ad1894662a9c24cd2d0f2125b39551a1c5fdf72b
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SSDEEP
12288:Uf0N7gIQSs/QB5XFOKXgSy+cRbSHEd/BRwZUxE7p/oYtgY43:UwLs/QLFFgSytz/BKZiENAY+
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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