General
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Target
37ce5ea24b58c00c1b647e306daf527eb48366a058ab4549186c5d04ce9c38a7
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Size
751KB
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Sample
230402-srycjsha39
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MD5
a7232495cefcbd35aece550e9cb57be2
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SHA1
8348c90f7d9faef12b2acea0741932d9dabdf83b
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SHA256
37ce5ea24b58c00c1b647e306daf527eb48366a058ab4549186c5d04ce9c38a7
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SHA512
cada31ba1a8414d2c861aad47d9cd4e51bb1d73cfb91589c1c1378b7eec130a1bfdefb11a2c2059f6c9e6afe6bca759e297c853989e082cb70f385e822c92a7a
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SSDEEP
12288:PZv3GWL91nJXTgmNubakPfzN8jgWASRmVAeTGmAmQtHFWvqF2ti//cVfbAGKtGt:5GWR19TgmHoN8jghSoTTGmALtlkqAkC1
Static task
static1
Behavioral task
behavioral1
Sample
37ce5ea24b58c00c1b647e306daf527eb48366a058ab4549186c5d04ce9c38a7.exe
Resource
win7-20230220-en
Behavioral task
behavioral2
Sample
37ce5ea24b58c00c1b647e306daf527eb48366a058ab4549186c5d04ce9c38a7.exe
Resource
win10v2004-20230220-en
Malware Config
Extracted
djvu
http://zexeq.com/test2/get.php
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extension
.nifr
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offline_id
FCP2fiITr4rryFhFBnA59GMgwES5CunmcbPc76t1
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payload_url
http://uaery.top/dl/build2.exe
http://zexeq.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-v8HcfXTy5x 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: 0679SUjhw
Targets
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Target
37ce5ea24b58c00c1b647e306daf527eb48366a058ab4549186c5d04ce9c38a7
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Size
751KB
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MD5
a7232495cefcbd35aece550e9cb57be2
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SHA1
8348c90f7d9faef12b2acea0741932d9dabdf83b
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SHA256
37ce5ea24b58c00c1b647e306daf527eb48366a058ab4549186c5d04ce9c38a7
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SHA512
cada31ba1a8414d2c861aad47d9cd4e51bb1d73cfb91589c1c1378b7eec130a1bfdefb11a2c2059f6c9e6afe6bca759e297c853989e082cb70f385e822c92a7a
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SSDEEP
12288:PZv3GWL91nJXTgmNubakPfzN8jgWASRmVAeTGmAmQtHFWvqF2ti//cVfbAGKtGt:5GWR19TgmHoN8jghSoTTGmALtlkqAkC1
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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