General
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Target
7441a4ce9c4e8ac5928eed31e78d925c
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Size
783KB
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Sample
240125-kqz6racda3
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MD5
7441a4ce9c4e8ac5928eed31e78d925c
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SHA1
7cacc24fbfb677bfadd4685d5f7820a946a44448
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SHA256
3a245127ba06fa4a0106c4562138e0dafba141aa265795859ee000662e4ca470
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SHA512
bfe262ba1c33ad1d0f8a26e12621a89f7156c68ab2762c0a0b3359345510fd3583599e6750d0ca5b08f4c2627f2c659c4110f47e8095f2ebdd97d1ddab6e01df
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SSDEEP
24576:OKflY4gwkcHJwM2mpL6di/wQyZaTzUC/B:OEgwZwlmB6ClbnB
Static task
static1
Behavioral task
behavioral1
Sample
7441a4ce9c4e8ac5928eed31e78d925c.exe
Resource
win7-20231215-en
Behavioral task
behavioral2
Sample
7441a4ce9c4e8ac5928eed31e78d925c.exe
Resource
win10v2004-20231222-en
Malware Config
Extracted
djvu
http://astdg.top/fhsgtsspen6/get.php
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extension
.orkf
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offline_id
4aBXQVNZ4BhjpMjt78QLIFtBSJPbgbflYLHrBut1
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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-ykQaS2tRyB 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: 0328gDrgo
Targets
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Target
7441a4ce9c4e8ac5928eed31e78d925c
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Size
783KB
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MD5
7441a4ce9c4e8ac5928eed31e78d925c
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SHA1
7cacc24fbfb677bfadd4685d5f7820a946a44448
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SHA256
3a245127ba06fa4a0106c4562138e0dafba141aa265795859ee000662e4ca470
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SHA512
bfe262ba1c33ad1d0f8a26e12621a89f7156c68ab2762c0a0b3359345510fd3583599e6750d0ca5b08f4c2627f2c659c4110f47e8095f2ebdd97d1ddab6e01df
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SSDEEP
24576:OKflY4gwkcHJwM2mpL6di/wQyZaTzUC/B:OEgwZwlmB6ClbnB
Score10/10-
Detected Djvu ransomware
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Renames multiple (182) files with added filename extension
This suggests ransomware activity of encrypting all the files on the system.
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Checks computer location settings
Looks up country code configured in the registry, likely geofence.
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Executes dropped EXE
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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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