General
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Target
setup.exe
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Size
215KB
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Sample
230426-aewdbafg3t
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MD5
d830885170d4a66424fcc5357bacc8c0
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SHA1
26a0f48aeda3a2821017f0f54a0f1140699beeb6
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SHA256
857dabcca16bd162b9c3a093fa0e158fd5cba0a47f6331d6a8eb952f67f99c41
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SHA512
973038d8fe6d609ee466c2d0a59ffcb3860a2a2173470b6ae0a221735d95b376a115a84130802189b1d111d60c926c92ac49362a9b050b07ca7782676b4e8420
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SSDEEP
3072:dBo4CKiYWQtP/zbdT0EqLmkX9GtR7LRf9Uj20Sn9r5iQyR+:vCCNcdcVV0S9AQe+
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
smokeloader
2022
http://potunulit.org/
http://hutnilior.net/
http://bulimu55t.net/
http://soryytlic4.net/
http://novanosa5org.org/
http://nuljjjnuli.org/
http://tolilolihul.net/
http://somatoka51hub.net/
http://hujukui3.net/
http://bukubuka1.net/
http://golilopaster.org/
http://newzelannd66.org/
http://otriluyttn.org/
http://aapu.at/tmp/
http://poudineh.com/tmp/
http://firsttrusteedrx.ru/tmp/
http://kingpirate.ru/tmp/
http://hoh0aeghwugh2gie.com/
http://hie7doodohpae4na.com/
http://aek0aicifaloh1yo.com/
http://yic0oosaeiy7ahng.com/
http://wa5zu7sekai8xeih.com/
Extracted
vidar
3.6
6908ab4fa5f20120a1d1ab0aab96b784
https://steamcommunity.com/profiles/76561199499188534
https://t.me/nutalse
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profile_id_v2
6908ab4fa5f20120a1d1ab0aab96b784
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user_agent
Mozilla/5.0 (Windows NT 6.1; WOW64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/104.0.0.0 Safari/537.36
Extracted
smokeloader
pub1
Extracted
amadey
3.70
77.73.134.27/n9kdjc3xSf/index.php
Extracted
djvu
http://zexeq.com/lancer/get.php
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extension
.foty
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offline_id
JFtdCcJoPS9sBORc6lnQV44QG764HrKKynxqdVt1
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payload_url
http://colisumy.com/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-pSlL2pKijh 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: 0696JOsie
Extracted
smokeloader
sprg
Extracted
vidar
3.6
5cb879265de0011bfc7588d5d251aee6
https://steamcommunity.com/profiles/76561199499188534
https://t.me/nutalse
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profile_id_v2
5cb879265de0011bfc7588d5d251aee6
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user_agent
Mozilla/5.0 (Windows NT 6.1; WOW64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/104.0.0.0 Safari/537.36
Targets
-
-
Target
setup.exe
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Size
215KB
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MD5
d830885170d4a66424fcc5357bacc8c0
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SHA1
26a0f48aeda3a2821017f0f54a0f1140699beeb6
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SHA256
857dabcca16bd162b9c3a093fa0e158fd5cba0a47f6331d6a8eb952f67f99c41
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SHA512
973038d8fe6d609ee466c2d0a59ffcb3860a2a2173470b6ae0a221735d95b376a115a84130802189b1d111d60c926c92ac49362a9b050b07ca7782676b4e8420
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SSDEEP
3072:dBo4CKiYWQtP/zbdT0EqLmkX9GtR7LRf9Uj20Sn9r5iQyR+:vCCNcdcVV0S9AQe+
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Detected Djvu ransomware
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Modifies security service
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Suspicious use of NtCreateUserProcessOtherParentProcess
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Downloads MZ/PE file
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Stops running service(s)
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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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MITRE ATT&CK Enterprise v6
Persistence
Modify Existing Service
2Registry Run Keys / Startup Folder
1Scheduled Task
1Defense Evasion
File and Directory Permissions Modification
1Impair Defenses
1Modify Registry
2