General
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Target
b5ce13b7b450192421bb44dc099be4d3c42ee6322064c6b3c5c17e74d18e93dd
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Size
797KB
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Sample
240408-3e5k7sac71
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MD5
e2e64a51c373e21d8d819c0346aac7da
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SHA1
bbf71f5220595550a7c353d0431da1e8d6418ccd
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SHA256
b5ce13b7b450192421bb44dc099be4d3c42ee6322064c6b3c5c17e74d18e93dd
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SHA512
d28233e17aff1c5cfa481d2682ee5d6f918fefca281c238ddac6129c290a4191f86faeeb2014042899ba28db6c214f48fa59094ef3ab13291ff5c456219da630
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SSDEEP
12288:52wkFILqBuA0Jct2R1a1mz0D2TlqGYxngKSKwyJRQSns:9kFQq2ct2m1mz0Dyw8fKRESns
Static task
static1
Behavioral task
behavioral1
Sample
b5ce13b7b450192421bb44dc099be4d3c42ee6322064c6b3c5c17e74d18e93dd.exe
Resource
win10v2004-20240226-en
Behavioral task
behavioral2
Sample
b5ce13b7b450192421bb44dc099be4d3c42ee6322064c6b3c5c17e74d18e93dd.exe
Resource
win11-20240221-en
Malware Config
Extracted
djvu
http://sajdfue.com/test1/get.php
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extension
.uajs
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offline_id
Jx0i3k2ogR5cKxX1evmz0Ex7TUxOUlnbh2dvnIt1
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payload_url
http://sdfjhuz.com/dl/build2.exe
http://sajdfue.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/df01994dd8d37c2c33469922f8e7155a20240402134014/fd95b0 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: 0859PsawqS
Targets
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Target
b5ce13b7b450192421bb44dc099be4d3c42ee6322064c6b3c5c17e74d18e93dd
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Size
797KB
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MD5
e2e64a51c373e21d8d819c0346aac7da
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SHA1
bbf71f5220595550a7c353d0431da1e8d6418ccd
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SHA256
b5ce13b7b450192421bb44dc099be4d3c42ee6322064c6b3c5c17e74d18e93dd
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SHA512
d28233e17aff1c5cfa481d2682ee5d6f918fefca281c238ddac6129c290a4191f86faeeb2014042899ba28db6c214f48fa59094ef3ab13291ff5c456219da630
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SSDEEP
12288:52wkFILqBuA0Jct2R1a1mz0D2TlqGYxngKSKwyJRQSns:9kFQq2ct2m1mz0Dyw8fKRESns
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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