General
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Target
445d8b2c183f780da11375f9be5f9bbc3f8b1b26e7464485c3d838db91a99467
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Size
790KB
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Sample
230605-3n584abb87
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MD5
577cf4765d9f852b92d1dde964c5d901
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SHA1
4fbd41319f4010d46f6097ed84b3e59c95310112
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SHA256
445d8b2c183f780da11375f9be5f9bbc3f8b1b26e7464485c3d838db91a99467
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SHA512
e8ebdfc4dc34be3f4d903b773564b98b8c373d29681694e4376cb66c9bfdd8d66f800ccc46f81f369da0419d141f2fcc3e551691c775529661b38d75c0344b8d
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SSDEEP
24576:HumX5Fw0m4P8A3L1ZftzBfCljh8jF1oA:Hxc0m4UA3L1Zf/+8jt
Static task
static1
Behavioral task
behavioral1
Sample
445d8b2c183f780da11375f9be5f9bbc3f8b1b26e7464485c3d838db91a99467.exe
Resource
win10-20230220-en
Malware Config
Extracted
djvu
http://zexeq.com/raud/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
vidar
4.1
77a63e71a10ee1d81a28b5c866b75922
https://steamcommunity.com/profiles/76561199510444991
https://t.me/task4manager
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profile_id_v2
77a63e71a10ee1d81a28b5c866b75922
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user_agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/112.0.0.0 Safari/537.36 Edg/112.0.1722.34
Targets
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Target
445d8b2c183f780da11375f9be5f9bbc3f8b1b26e7464485c3d838db91a99467
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Size
790KB
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MD5
577cf4765d9f852b92d1dde964c5d901
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SHA1
4fbd41319f4010d46f6097ed84b3e59c95310112
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SHA256
445d8b2c183f780da11375f9be5f9bbc3f8b1b26e7464485c3d838db91a99467
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SHA512
e8ebdfc4dc34be3f4d903b773564b98b8c373d29681694e4376cb66c9bfdd8d66f800ccc46f81f369da0419d141f2fcc3e551691c775529661b38d75c0344b8d
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SSDEEP
24576:HumX5Fw0m4P8A3L1ZftzBfCljh8jF1oA:Hxc0m4UA3L1Zf/+8jt
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Detected Djvu ransomware
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Downloads MZ/PE file
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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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