General
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Target
ba832eafef4b81af020933796051101e1f689ab15f25250380887c6d1b06b97c
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Size
245KB
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Sample
230607-25zbfahe7z
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MD5
680b7866c5113a58249654be736891eb
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SHA1
58f687bf530668882f0765b943a85a49d3a744dd
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SHA256
ba832eafef4b81af020933796051101e1f689ab15f25250380887c6d1b06b97c
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SHA512
0ee0fefdb732ce24355d7455714897e01f7e685779c1cb4ffa4100e223cf75da1199af94560d90b3090d05e7a779c9b85d635e8c34b835228df8e518c18943e0
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SSDEEP
3072:X9x6m35l3NzkfCg4DSy1UAzrJA3D9LWAf52+qhVp1:tsu57z1g4OqrJS9SAAp
Static task
static1
Behavioral task
behavioral1
Sample
ba832eafef4b81af020933796051101e1f689ab15f25250380887c6d1b06b97c.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
.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
Targets
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Target
ba832eafef4b81af020933796051101e1f689ab15f25250380887c6d1b06b97c
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Size
245KB
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MD5
680b7866c5113a58249654be736891eb
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SHA1
58f687bf530668882f0765b943a85a49d3a744dd
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SHA256
ba832eafef4b81af020933796051101e1f689ab15f25250380887c6d1b06b97c
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SHA512
0ee0fefdb732ce24355d7455714897e01f7e685779c1cb4ffa4100e223cf75da1199af94560d90b3090d05e7a779c9b85d635e8c34b835228df8e518c18943e0
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SSDEEP
3072:X9x6m35l3NzkfCg4DSy1UAzrJA3D9LWAf52+qhVp1:tsu57z1g4OqrJS9SAAp
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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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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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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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