General
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Target
setup.exe
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Size
695KB
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Sample
230404-bmtecsdh71
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MD5
e717bfff0c15d187a8ca8a0c78ce4291
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SHA1
1c17a7fc3e6361d638d453a969d5cbb8f3ca5e5c
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SHA256
41e4f44b85528e604366ac6cfd88db1376848652c8044724ce8d3e4cc9e0cb04
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SHA512
a4aeb95381cfdb5804a9d55f73c5e6459831973e952287f7f9ecd0ad2de971d6bab5490df7cdba43f3de800ba695cbcd2f82d5a185eaf27ee31f0425afe5c1e1
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SSDEEP
12288:Vi3j3bzC7L3HcAlhyqj9BLQTFtrYpCKJqfuoV+bOpHzPbvB5Mv3D8dw:VSLm/XvlH0htrYptQtV+bEPbBGvD8
Malware Config
Extracted
djvu
http://zexeq.com/raud/get.php
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extension
.niwm
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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: 0681SUjhw
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
695KB
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MD5
e717bfff0c15d187a8ca8a0c78ce4291
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SHA1
1c17a7fc3e6361d638d453a969d5cbb8f3ca5e5c
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SHA256
41e4f44b85528e604366ac6cfd88db1376848652c8044724ce8d3e4cc9e0cb04
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SHA512
a4aeb95381cfdb5804a9d55f73c5e6459831973e952287f7f9ecd0ad2de971d6bab5490df7cdba43f3de800ba695cbcd2f82d5a185eaf27ee31f0425afe5c1e1
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SSDEEP
12288:Vi3j3bzC7L3HcAlhyqj9BLQTFtrYpCKJqfuoV+bOpHzPbvB5Mv3D8dw:VSLm/XvlH0htrYptQtV+bEPbBGvD8
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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