General
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Target
2e90fd4602d61c838cfd407bd7e4953f15fdc03a1080115bf90440bd76d83ca7.zip
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Size
138KB
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Sample
230428-yz4r7aaa8s
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MD5
9f3cbd88a91ab081633502b009af023c
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SHA1
2002f45ec2ac9483a7f768ea01e5638412b51271
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SHA256
656821b0c257c5ceebbca15c712bce48a36fa047f8098883262984d9e26696fc
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SHA512
153c74c8baf26f778fb8a6269a828b229c5e82e32eef0752bcb61136d3a4f3908de4dc62ffa67eba07989e0afd74cc671c91ba5b9926e8777bb716e478cea93e
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SSDEEP
3072:HK910zrsSkJU8PZQIsrrUkQ28VWUJZMABluIR2:HK910oiJI4UkQ28xXMABluIo
Static task
static1
Behavioral task
behavioral1
Sample
2e90fd4602d61c838cfd407bd7e4953f15fdc03a1080115bf90440bd76d83ca7.exe
Resource
win7-20230220-en
Behavioral task
behavioral2
Sample
2e90fd4602d61c838cfd407bd7e4953f15fdc03a1080115bf90440bd76d83ca7.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
smokeloader
pub1
Extracted
amadey
3.70
77.73.134.27/n9kdjc3xSf/index.php
Extracted
smokeloader
sprg
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
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Extracted
vidar
3.6
1616034f091df9fd0229bc38dd17597f
https://steamcommunity.com/profiles/76561199499188534
https://t.me/nutalse
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profile_id_v2
1616034f091df9fd0229bc38dd17597f
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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
2e90fd4602d61c838cfd407bd7e4953f15fdc03a1080115bf90440bd76d83ca7.exe
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Size
223KB
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MD5
2679dd3ef68ab6c395840715af1dda17
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SHA1
d59f6b7fad296ecc1a5dc2b848141347d491c532
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SHA256
2e90fd4602d61c838cfd407bd7e4953f15fdc03a1080115bf90440bd76d83ca7
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SHA512
f51200ae634b36d0e8702caeaabb213a3fbe482a6ac4efe0d86abb68bb59dc7ccdaf3b734efd7531fc2587fdacbce34cd8c63e99b12e890a605f22e73aea0151
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SSDEEP
3072:IcAop5a1cScVfLrV9hQHPM6Q2lZoJ7Hzc/tWlTBxn04Q5Uqoov+Td:1kKvV9h+E/2PodzGtWJ0QqHv+T
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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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Modifies file permissions
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Accesses cryptocurrency files/wallets, possible credential harvesting
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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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