General
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Target
a9a5b268354321b3fbf5e4a30dce2ad645576aadbd1e70d58200257118a789e9
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Size
707KB
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Sample
240521-j1w2eaea7z
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MD5
297ea5aa48d334e1fb1ffe7ae78d585a
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SHA1
9481f2d8eacbb75008aaf3379f02cec7b2e0fe72
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SHA256
a9a5b268354321b3fbf5e4a30dce2ad645576aadbd1e70d58200257118a789e9
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SHA512
c3e4a7da034102ec88e0287d78e49d54a720c1c2dd086ed2563c409c6e7fabecc53f2918c2b60d07bdf13957750274697076107cca0d1f55c45b2597129baf60
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SSDEEP
12288:9fDUZy6ZQtFPlh1phy5w5oAU0Rxs93EqDzzCWmIRgE4+REjVXiGr:9AZy6+Dljy5DA9xq3EKqI2n+q4G
Static task
static1
Behavioral task
behavioral1
Sample
a9a5b268354321b3fbf5e4a30dce2ad645576aadbd1e70d58200257118a789e9.exe
Resource
win10v2004-20240226-en
Behavioral task
behavioral2
Sample
a9a5b268354321b3fbf5e4a30dce2ad645576aadbd1e70d58200257118a789e9.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
a9a5b268354321b3fbf5e4a30dce2ad645576aadbd1e70d58200257118a789e9
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Size
707KB
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MD5
297ea5aa48d334e1fb1ffe7ae78d585a
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SHA1
9481f2d8eacbb75008aaf3379f02cec7b2e0fe72
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SHA256
a9a5b268354321b3fbf5e4a30dce2ad645576aadbd1e70d58200257118a789e9
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SHA512
c3e4a7da034102ec88e0287d78e49d54a720c1c2dd086ed2563c409c6e7fabecc53f2918c2b60d07bdf13957750274697076107cca0d1f55c45b2597129baf60
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SSDEEP
12288:9fDUZy6ZQtFPlh1phy5w5oAU0Rxs93EqDzzCWmIRgE4+REjVXiGr:9AZy6+Dljy5DA9xq3EKqI2n+q4G
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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