General
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Target
4ca310d907dc6baee472d3e802672e63a9effebb3e1aa0981cdce3d2a37963bf
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Size
750KB
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Sample
230331-pr5j3she63
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MD5
c977285ea68304d768274be81e9e3099
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SHA1
52ed47da482522934aa7b548cfa8b59c7517175e
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SHA256
4ca310d907dc6baee472d3e802672e63a9effebb3e1aa0981cdce3d2a37963bf
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SHA512
7e9e2c380136fd4ffb81d6a3063222992eb467ac0e0c5d1600b61327032778c105c1ce2621b6ea9cfcd6b4f8469e59202be08d3c70c557155103e83b9f00e143
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SSDEEP
12288:i//M2jWnG0xWbTq8iQkvd+gB4q/pBDl9VTRXcpLYSuXzqNXvWkeqw/gV+NYBaD25:ic2KnGxbTJiFLnpzls6WdWaYIBBaD2+
Static task
static1
Behavioral task
behavioral1
Sample
4ca310d907dc6baee472d3e802672e63a9effebb3e1aa0981cdce3d2a37963bf.exe
Resource
win10-20230220-en
Malware Config
Extracted
djvu
http://zexeq.com/test2/get.php
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extension
.jywd
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offline_id
MEMHlobHgXqvmTWaMsLcwGZhDOd00bblO1yevst1
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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-fkW8qLaCVQ 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: 0675JOsie
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
4ca310d907dc6baee472d3e802672e63a9effebb3e1aa0981cdce3d2a37963bf
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Size
750KB
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MD5
c977285ea68304d768274be81e9e3099
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SHA1
52ed47da482522934aa7b548cfa8b59c7517175e
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SHA256
4ca310d907dc6baee472d3e802672e63a9effebb3e1aa0981cdce3d2a37963bf
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SHA512
7e9e2c380136fd4ffb81d6a3063222992eb467ac0e0c5d1600b61327032778c105c1ce2621b6ea9cfcd6b4f8469e59202be08d3c70c557155103e83b9f00e143
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SSDEEP
12288:i//M2jWnG0xWbTq8iQkvd+gB4q/pBDl9VTRXcpLYSuXzqNXvWkeqw/gV+NYBaD25:ic2KnGxbTJiFLnpzls6WdWaYIBBaD2+
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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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Loads dropped DLL
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Modifies file permissions
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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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