General
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Target
c53669027ae0872e09a1e78b75971f1a6260301e00c9a9fb5465efc6c65d93aa
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Size
749KB
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Sample
240427-e6zl9sbh5y
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MD5
0e5ea2bf2748cb5b725bb244fbce0593
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SHA1
eb52b5d11d5c130a0ff5218853f255e513ac90b1
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SHA256
c53669027ae0872e09a1e78b75971f1a6260301e00c9a9fb5465efc6c65d93aa
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SHA512
c9de0b74a86c42dfc8d2b297a4753257770c83b851a87c9ca98415a9b68934e00669ccc966dbae7fa92e3ecc1eda288e35170bbf368efd70865c3e934253a62f
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SSDEEP
12288:J/P+rH1JJ3YcMphLZGQzsZc5nz+RAaMH32H5dhRyM4z6ITB/4vhM:J/PM3TYLZGQzsunzYfckT4OITF4
Static task
static1
Behavioral task
behavioral1
Sample
c53669027ae0872e09a1e78b75971f1a6260301e00c9a9fb5465efc6c65d93aa.exe
Resource
win10v2004-20240419-en
Behavioral task
behavioral2
Sample
c53669027ae0872e09a1e78b75971f1a6260301e00c9a9fb5465efc6c65d93aa.exe
Resource
win11-20240419-en
Malware Config
Extracted
djvu
http://cajgtus.com/test1/get.php
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extension
.bgjs
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offline_id
Z6iwSvCoAt8T8K2ROxecuXHPNHv7eDyWrc8Ks7t1
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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/54cdfd152fe98eedb628a1f4ddb7076420240421150208/403a27 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: 0863PsawqS
Targets
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Target
c53669027ae0872e09a1e78b75971f1a6260301e00c9a9fb5465efc6c65d93aa
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Size
749KB
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MD5
0e5ea2bf2748cb5b725bb244fbce0593
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SHA1
eb52b5d11d5c130a0ff5218853f255e513ac90b1
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SHA256
c53669027ae0872e09a1e78b75971f1a6260301e00c9a9fb5465efc6c65d93aa
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SHA512
c9de0b74a86c42dfc8d2b297a4753257770c83b851a87c9ca98415a9b68934e00669ccc966dbae7fa92e3ecc1eda288e35170bbf368efd70865c3e934253a62f
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SSDEEP
12288:J/P+rH1JJ3YcMphLZGQzsZc5nz+RAaMH32H5dhRyM4z6ITB/4vhM:J/PM3TYLZGQzsunzYfckT4OITF4
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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