General
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Target
57f1ff0e6e70770c3b1d33a61907e6eb4a2ea003431ca1177eb4c9947b4f126e
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Size
227KB
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Sample
230425-l39fmabf3t
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MD5
405699bcfa799a906616ed0c0fa3e607
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SHA1
bc6fdc3c7dde359e3d4debc205244abb6c094149
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SHA256
57f1ff0e6e70770c3b1d33a61907e6eb4a2ea003431ca1177eb4c9947b4f126e
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SHA512
0d12686e7ec23554dacb47e86bdc82f5a2bb312bc44e5b8242625f3282ebe56ddfea8c13f08afa4603284c92434c6d2ec92474e2a117ad0d93677b4eb4a549f1
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SSDEEP
3072:8vptiTk9W29mbuOYGaZS7iQJhly39nuOibXZ9Zj5ILCK:6pEu9mBtaZeJhly3wZij
Static task
static1
Behavioral task
behavioral1
Sample
57f1ff0e6e70770c3b1d33a61907e6eb4a2ea003431ca1177eb4c9947b4f126e.exe
Resource
win10-20230220-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/
Extracted
vidar
3.5
5c24dc0e9726fcc756a18038ae4e0e67
https://steamcommunity.com/profiles/76561199497218285
https://t.me/tg_duckworld
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profile_id_v2
5c24dc0e9726fcc756a18038ae4e0e67
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user_agent
Mozilla/5.0 (Windows NT 10.0; WOW64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/90.0.4430.93 Safari/537.36 Vivaldi/3.7
Extracted
raccoon
fc8427198f843d72c1aa8a66db1a98f3
http://91.235.234.235/
Extracted
djvu
http://zexeq.com/lancer/get.php
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extension
.coty
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offline_id
O8Ao46dcCReRPC4I1PGMYsRFFc9WI5eOp0O3MFt1
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payload_url
http://colisumy.com/dl/build2.exe
http://zexeq.com/files/1/build3.exe
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ransomnote
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Extracted
smokeloader
pub1
Extracted
amadey
3.70
77.73.134.27/n9kdjc3xSf/index.php
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
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Target
57f1ff0e6e70770c3b1d33a61907e6eb4a2ea003431ca1177eb4c9947b4f126e
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Size
227KB
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MD5
405699bcfa799a906616ed0c0fa3e607
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SHA1
bc6fdc3c7dde359e3d4debc205244abb6c094149
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SHA256
57f1ff0e6e70770c3b1d33a61907e6eb4a2ea003431ca1177eb4c9947b4f126e
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SHA512
0d12686e7ec23554dacb47e86bdc82f5a2bb312bc44e5b8242625f3282ebe56ddfea8c13f08afa4603284c92434c6d2ec92474e2a117ad0d93677b4eb4a549f1
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SSDEEP
3072:8vptiTk9W29mbuOYGaZS7iQJhly39nuOibXZ9Zj5ILCK:6pEu9mBtaZeJhly3wZij
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Detected Djvu ransomware
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Downloads MZ/PE file
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Deletes itself
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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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