General
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Target
a88d2d74d7359c8b74e1f85fa6fd4fbb.exe
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Size
285KB
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Sample
230608-ga56aadb7w
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MD5
a88d2d74d7359c8b74e1f85fa6fd4fbb
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SHA1
a3634e2433df75c3adac9732e4a10b2290c799e5
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SHA256
e9683adbe84e0d06cecb825dcca4b009f32cf53c492fe8e86e462e07557d7769
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SHA512
a0faf84b55303b7a66ed1070bc6cfe2e2416cf2d1dad8790a15eebbec2d78adb89b87765ece198429811c45e276cbe73af766d3573ab535098fd7db1778c4d09
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SSDEEP
3072:fgINZZtBp7mY1kh5RIlU1Rjlwnamy8UpkDrCLHcsDA/gB6Fh80sE7HmJt:tNZRp7mY10a6RWA8UuiTcxNFHmJ
Static task
static1
Behavioral task
behavioral1
Sample
a88d2d74d7359c8b74e1f85fa6fd4fbb.exe
Resource
win7-20230220-en
Behavioral task
behavioral2
Sample
a88d2d74d7359c8b74e1f85fa6fd4fbb.exe
Resource
win10v2004-20230221-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
.neon
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offline_id
0vTA6MA1m5nzrdffOCJC7YmAa4Lp6YNN8lOJ4mt1
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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
vidar
4.2
a81bcf59d85e6e13257840e65b9d1da8
https://steamcommunity.com/profiles/76561199511129510
https://t.me/rechnungsbetrag
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profile_id_v2
a81bcf59d85e6e13257840e65b9d1da8
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user_agent
Mozilla/5.0 (Windows NT 6.3; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/75.0.3770.38 Safari/537.36 Brave/75
Extracted
smokeloader
up3
Targets
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Target
a88d2d74d7359c8b74e1f85fa6fd4fbb.exe
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Size
285KB
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MD5
a88d2d74d7359c8b74e1f85fa6fd4fbb
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SHA1
a3634e2433df75c3adac9732e4a10b2290c799e5
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SHA256
e9683adbe84e0d06cecb825dcca4b009f32cf53c492fe8e86e462e07557d7769
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SHA512
a0faf84b55303b7a66ed1070bc6cfe2e2416cf2d1dad8790a15eebbec2d78adb89b87765ece198429811c45e276cbe73af766d3573ab535098fd7db1778c4d09
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SSDEEP
3072:fgINZZtBp7mY1kh5RIlU1Rjlwnamy8UpkDrCLHcsDA/gB6Fh80sE7HmJt:tNZRp7mY10a6RWA8UuiTcxNFHmJ
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Detect Fabookie payload
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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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Adds Run key to start application
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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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