General
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Target
ac3b3357eaab5a6ee47eeb2efc976cd1aa510fb609b0bffade73395b513a5c1b
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Size
841KB
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Sample
221204-v1tf3aec6x
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MD5
a1216bce2dcf7c35dfe1ab2119579211
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SHA1
00805f940cb220ab8045059236b11fb53fc5f3cd
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SHA256
ac3b3357eaab5a6ee47eeb2efc976cd1aa510fb609b0bffade73395b513a5c1b
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SHA512
41441e3ca447b81a3d9ccbd621377cdaecc97a5d5b7dc147912fa7ec9c3031a8eae772a63171aec8b5c8de4c48b3be9f9548ae9b25d15318ec4f88693c278e5f
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SSDEEP
24576:xkNiZ23YYd1Bnds98hPQSc7KsgbIC+IG:xzZWY608RK7KsgkC+IG
Static task
static1
Behavioral task
behavioral1
Sample
ac3b3357eaab5a6ee47eeb2efc976cd1aa510fb609b0bffade73395b513a5c1b.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: support@fishmail.top Reserve e-mail address to contact us: datarestorehelp@airmail.cc 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
ac3b3357eaab5a6ee47eeb2efc976cd1aa510fb609b0bffade73395b513a5c1b
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Size
841KB
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MD5
a1216bce2dcf7c35dfe1ab2119579211
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SHA1
00805f940cb220ab8045059236b11fb53fc5f3cd
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SHA256
ac3b3357eaab5a6ee47eeb2efc976cd1aa510fb609b0bffade73395b513a5c1b
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SHA512
41441e3ca447b81a3d9ccbd621377cdaecc97a5d5b7dc147912fa7ec9c3031a8eae772a63171aec8b5c8de4c48b3be9f9548ae9b25d15318ec4f88693c278e5f
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SSDEEP
24576:xkNiZ23YYd1Bnds98hPQSc7KsgbIC+IG:xzZWY608RK7KsgkC+IG
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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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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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