General
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Target
637acf42e824116a795011ae9c156367
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Size
789KB
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Sample
240117-yr9cpsece7
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MD5
637acf42e824116a795011ae9c156367
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SHA1
b3fa87c61797b06503ea96e6b5a6972e936ce266
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SHA256
a567774401aa9224395d693859beb4cd9a6bd62c00c513ee86b64651238622bc
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SHA512
6406d0a7b91da31531d02ee4b1e1247c829d1b44bcf9c4797952d545a4f7f30cfb20b08a11de4dc4defdf4ddfceb3929a31ebe77cabdb927aa4b25dc60288b80
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SSDEEP
12288:TNiHJ/5Np/VVhES1K4JftF502/tjbJbeX+IaZwQpIrQkacwfrFEfn:K/fpB1hJftFK0t9be+IAwAkOEfn
Static task
static1
Behavioral task
behavioral1
Sample
637acf42e824116a795011ae9c156367.exe
Resource
win7-20231129-en
Behavioral task
behavioral2
Sample
637acf42e824116a795011ae9c156367.exe
Resource
win10v2004-20231215-en
Malware Config
Extracted
djvu
http://astdg.top/fhsgtsspen6/get.php
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extension
.hoop
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offline_id
922IaqlBU1I6IKX6eTDABuH3amHHwoa5qUSb8vt1
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payload_url
http://securebiz.org/dl/build2.exe
http://astdg.top/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. You can get and look video overview decrypt tool: https://we.tl/t-I6qIbIYiz9 Price of private key and decrypt software is $980. Discount 50% available if you contact us first 72 hours, that's price for you is $490. 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: 0326gDrgo
Targets
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Target
637acf42e824116a795011ae9c156367
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Size
789KB
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MD5
637acf42e824116a795011ae9c156367
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SHA1
b3fa87c61797b06503ea96e6b5a6972e936ce266
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SHA256
a567774401aa9224395d693859beb4cd9a6bd62c00c513ee86b64651238622bc
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SHA512
6406d0a7b91da31531d02ee4b1e1247c829d1b44bcf9c4797952d545a4f7f30cfb20b08a11de4dc4defdf4ddfceb3929a31ebe77cabdb927aa4b25dc60288b80
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SSDEEP
12288:TNiHJ/5Np/VVhES1K4JftF502/tjbJbeX+IaZwQpIrQkacwfrFEfn:K/fpB1hJftFK0t9be+IAwAkOEfn
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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