General
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Target
setup.exe
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Size
801KB
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Sample
230329-ckj9caed45
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MD5
f7f0b8459e8a08d11bbb9a7d8e1d0115
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SHA1
1e91352ad02b45a92313084a4fda39be383c6809
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SHA256
c66908221964a5e47c5340f06e5292fa11cd3637a7e0c4b007fe2e8306382c3e
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SHA512
61dbab00c53977ba4e23d8524c170ff35b6a2e0383dd9b239e6d7defcd069111ae230f1d8a8d907d7a8816505ef61080717248e05ebf4c28516560efc5c71e63
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SSDEEP
12288:PgC94Nyre3sEkj1NjD8oScKTPpVCays6zr8Qq7iCBPyYY28mpSu9:PaNyKhkj1NUoshVDyscrbqOCBaYouSa
Static task
static1
Behavioral task
behavioral1
Sample
setup.exe
Resource
win7-20230220-en
Behavioral task
behavioral2
Sample
setup.exe
Resource
win10v2004-20230220-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: [email protected] Reserve e-mail address to contact us: [email protected] 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
setup.exe
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Size
801KB
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MD5
f7f0b8459e8a08d11bbb9a7d8e1d0115
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SHA1
1e91352ad02b45a92313084a4fda39be383c6809
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SHA256
c66908221964a5e47c5340f06e5292fa11cd3637a7e0c4b007fe2e8306382c3e
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SHA512
61dbab00c53977ba4e23d8524c170ff35b6a2e0383dd9b239e6d7defcd069111ae230f1d8a8d907d7a8816505ef61080717248e05ebf4c28516560efc5c71e63
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SSDEEP
12288:PgC94Nyre3sEkj1NjD8oScKTPpVCays6zr8Qq7iCBPyYY28mpSu9:PaNyKhkj1NUoshVDyscrbqOCBaYouSa
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Detected Djvu ransomware
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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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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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