General
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Target
845a8b192ec81150a4d0bec923daf613698bfa377e5c23320bd5bbc4e8676fde
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Size
850KB
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Sample
221203-g3122afa7v
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MD5
ad5ed28ac3622bf8b0a56a5e8b6d449a
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SHA1
433dc3c2da024e64fd8518190d31c719c76abe2b
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SHA256
845a8b192ec81150a4d0bec923daf613698bfa377e5c23320bd5bbc4e8676fde
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SHA512
cc2289c619dcdba8ea0122a7ac994b7c8313d763d3f180cf3650ae0712f73358088ebc5e54d89f22fb6c194e7f355139633bc5ed3c69539b1145768183b8c12f
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SSDEEP
24576:KtnIyTx1b1mABucL32gEItQGHDJ5YekS3UaFbQrXdY:KtIEb0M2oQGHTYAkDrXd
Static task
static1
Behavioral task
behavioral1
Sample
845a8b192ec81150a4d0bec923daf613698bfa377e5c23320bd5bbc4e8676fde.exe
Resource
win10v2004-20221111-en
Malware Config
Extracted
djvu
http://fresherlights.com/test1/get.php
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extension
.uyro
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offline_id
HtkmULXEgJoZa495hFUJlvKCD0OwnxklbkoITjt1
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payload_url
http://uaery.top/dl/build2.exe
http://fresherlights.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. You can get and look video overview decrypt tool: https://we.tl/t-5UcwRdS3ED 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: 0609djfsieE
Extracted
vidar
56
517
https://t.me/asifrazatg
https://steamcommunity.com/profiles/76561199439929669
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profile_id
517
Targets
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Target
845a8b192ec81150a4d0bec923daf613698bfa377e5c23320bd5bbc4e8676fde
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Size
850KB
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MD5
ad5ed28ac3622bf8b0a56a5e8b6d449a
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SHA1
433dc3c2da024e64fd8518190d31c719c76abe2b
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SHA256
845a8b192ec81150a4d0bec923daf613698bfa377e5c23320bd5bbc4e8676fde
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SHA512
cc2289c619dcdba8ea0122a7ac994b7c8313d763d3f180cf3650ae0712f73358088ebc5e54d89f22fb6c194e7f355139633bc5ed3c69539b1145768183b8c12f
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SSDEEP
24576:KtnIyTx1b1mABucL32gEItQGHDJ5YekS3UaFbQrXdY:KtIEb0M2oQGHTYAkDrXd
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Detected Djvu ransomware
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Downloads MZ/PE file
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Executes dropped EXE
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Checks computer location settings
Looks up country code configured in the registry, likely geofence.
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Loads dropped DLL
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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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