General
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Target
setup.exe
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Size
694KB
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Sample
230404-bnyepsdh8v
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MD5
b4b83081fea4dbe24a677ef2b392e4d7
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SHA1
6a2482bd06d83431611e3f9eca6a9e2f0f2959a9
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SHA256
5e2f7a625fa1e748cc0b348923d58f89155c4f7c8b9bca52137569cb761aa438
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SHA512
6c99dc3f75bfbe8f6a236b1d3c6359f0593f1fab15cadaa8215644bfcfe78ccdafdab6e45b8e1a10daed58c81347c4e531817758b806ff189ce130ea00c244f7
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SSDEEP
12288:ZoLYqnwh0zd53qOkuDY7ws5FsZtck9tcg5BfI71XpOfIyRJT3VEHbvsMdiHTBEef:ZuFnwhg5XawAy5Dcg5O7yfIyR1lIlANf
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: support@freshmail.top Reserve e-mail address to contact us: datarestorehelp@airmail.cc Your personal ID: 0679SUjhw
Extracted
vidar
3.2
5df88deb5dde677ba658b77ad5f60248
https://steamcommunity.com/profiles/76561199489580435
https://t.me/tabootalks
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profile_id_v2
5df88deb5dde677ba658b77ad5f60248
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user_agent
Mozilla/5.0 (Windows NT 6.1; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/105.0.0.0 Safari/537.36 OPR/91.0.4516.79
Targets
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Target
setup.exe
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Size
694KB
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MD5
b4b83081fea4dbe24a677ef2b392e4d7
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SHA1
6a2482bd06d83431611e3f9eca6a9e2f0f2959a9
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SHA256
5e2f7a625fa1e748cc0b348923d58f89155c4f7c8b9bca52137569cb761aa438
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SHA512
6c99dc3f75bfbe8f6a236b1d3c6359f0593f1fab15cadaa8215644bfcfe78ccdafdab6e45b8e1a10daed58c81347c4e531817758b806ff189ce130ea00c244f7
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SSDEEP
12288:ZoLYqnwh0zd53qOkuDY7ws5FsZtck9tcg5BfI71XpOfIyRJT3VEHbvsMdiHTBEef:ZuFnwhg5XawAy5Dcg5O7yfIyR1lIlANf
Score10/10-
Detected Djvu ransomware
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Djvu Ransomware
Ransomware which is a variant of the STOP family.
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Vidar
Vidar is an infostealer based on Arkei stealer.
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Downloads MZ/PE file
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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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Loads dropped DLL
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Modifies file permissions
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Reads user/profile data of web browsers
Infostealers often target stored browser data, which can include saved credentials etc.
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Accesses 2FA software files, possible credential harvesting
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Accesses cryptocurrency files/wallets, possible credential harvesting
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Adds Run key to start application
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Checks installed software on the system
Looks up Uninstall key entries in the registry to enumerate software on the system.
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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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