General
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Target
526.exe
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Size
328KB
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Sample
230519-x7trhsff63
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MD5
a8194b7a6f02ea7ff292cd775535cc34
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SHA1
601c746c3b90aa55208ab7058f0472ca674f84b3
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SHA256
a73974aeb5bb412d8131ca7db4f5405b63a40e1cd5abb52028cc224be7fd9f4e
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SHA512
802cafcb5c6707923832a2ebcc7043acfd364067740abff4fb5977f0ffa53ab3ead3e5ad0018c213412b453ea06ce8690d7e0bc3c8a959f16340e373721445ad
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SSDEEP
6144:UnNWR6CbUwL19zac8TN8IXfZYPQxqT+8m:h6CbUwL19zahx8IvmM6+
Static task
static1
Behavioral task
behavioral1
Sample
526.exe
Resource
win7-20230220-en
Behavioral task
behavioral2
Sample
526.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://toobussy.com/tmp/
http://wuc11.com/tmp/
http://ladogatur.ru/tmp/
http://kingpirate.ru/tmp/
Extracted
djvu
http://zexeq.com/raud/get.php
http://zexeq.com/lancer/get.php
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extension
.gapo
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offline_id
jB2aJtVEWRwbJf76a6OKB8sn0BtTgNlHYUC5wLt1
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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-sD0OUYo1Pd 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: 0713JOsie
Extracted
amadey
3.67
45.9.74.80/0bjdn2Z/index.php
Extracted
smokeloader
pub1
Extracted
vidar
3.9
9dfa7ee730fa2f1efb5ed51dbbec22f5
https://steamcommunity.com/profiles/76561199263069598
https://t.me/cybehost
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profile_id_v2
9dfa7ee730fa2f1efb5ed51dbbec22f5
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user_agent
Mozilla/5.0 (compatible; Konqueror/3.5; Linux) KHTML/3.5.7 (like Gecko) (Debian)
Extracted
vidar
3.9
379b0d0a9ef2b4ae960ec452f90e3e8b
https://steamcommunity.com/profiles/76561199263069598
https://t.me/cybehost
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profile_id_v2
379b0d0a9ef2b4ae960ec452f90e3e8b
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user_agent
Mozilla/5.0 (compatible; Konqueror/3.5; Linux) KHTML/3.5.7 (like Gecko) (Debian)
Targets
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Target
526.exe
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Size
328KB
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MD5
a8194b7a6f02ea7ff292cd775535cc34
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SHA1
601c746c3b90aa55208ab7058f0472ca674f84b3
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SHA256
a73974aeb5bb412d8131ca7db4f5405b63a40e1cd5abb52028cc224be7fd9f4e
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SHA512
802cafcb5c6707923832a2ebcc7043acfd364067740abff4fb5977f0ffa53ab3ead3e5ad0018c213412b453ea06ce8690d7e0bc3c8a959f16340e373721445ad
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SSDEEP
6144:UnNWR6CbUwL19zac8TN8IXfZYPQxqT+8m:h6CbUwL19zahx8IvmM6+
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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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