General
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Target
81b1ec28b24aa9a87e05b8184432bd19531f4f074243cfa7e4bef87836ff7970
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Size
245KB
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Sample
230423-rgs5eadg37
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MD5
ddecd8a3d99fa741ae21a00e93a4a984
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SHA1
3518b8146f2374f4c9bb9d662a4c2f4f4928ef0b
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SHA256
81b1ec28b24aa9a87e05b8184432bd19531f4f074243cfa7e4bef87836ff7970
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SHA512
a682559f62c57f2baf22373599359523ad5f86a8fea82afcd80684a703e2353657751b684f21f9da23ca182b95816a0ec8dc0a41f1e8220e9104d86ec49cda66
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SSDEEP
3072:9aFT08SjIuMtRd/a+4mnCkVB3jCFHqaIQSLJp+bueLS4yd5EBkDE5xx+4lx:QW8ky2+4m3XmF/mJp+bHSqrT
Static task
static1
Behavioral task
behavioral1
Sample
81b1ec28b24aa9a87e05b8184432bd19531f4f074243cfa7e4bef87836ff7970.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://aapu.at/tmp/
http://poudineh.com/tmp/
http://firsttrusteedrx.ru/tmp/
http://kingpirate.ru/tmp/
Extracted
amadey
3.70
77.73.134.27/n9kdjc3xSf/index.php
Extracted
smokeloader
pub1
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
vidar
3.5
bf58e1879f88b222ba2391682babf9d8
https://steamcommunity.com/profiles/76561199497218285
https://t.me/tg_duckworld
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profile_id_v2
bf58e1879f88b222ba2391682babf9d8
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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
Targets
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Target
81b1ec28b24aa9a87e05b8184432bd19531f4f074243cfa7e4bef87836ff7970
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Size
245KB
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MD5
ddecd8a3d99fa741ae21a00e93a4a984
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SHA1
3518b8146f2374f4c9bb9d662a4c2f4f4928ef0b
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SHA256
81b1ec28b24aa9a87e05b8184432bd19531f4f074243cfa7e4bef87836ff7970
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SHA512
a682559f62c57f2baf22373599359523ad5f86a8fea82afcd80684a703e2353657751b684f21f9da23ca182b95816a0ec8dc0a41f1e8220e9104d86ec49cda66
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SSDEEP
3072:9aFT08SjIuMtRd/a+4mnCkVB3jCFHqaIQSLJp+bueLS4yd5EBkDE5xx+4lx:QW8ky2+4m3XmF/mJp+bHSqrT
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Detected Djvu ransomware
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Modifies security service
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Rhadamanthys
Rhadamanthys is an info stealer written in C++ first seen in August 2022.
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Suspicious use of NtCreateUserProcessOtherParentProcess
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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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Loads dropped DLL
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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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