General
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Target
c061c111ce56cae70030e805de5247bb1e824f2009c12f910b5c90380a4e5325
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Size
758KB
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Sample
240328-y61dcafg6y
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MD5
70ef7d7e81797a374b141c3f0bc86b6b
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SHA1
366c7c850b6037ec023ec156ade21b89f405ddbd
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SHA256
c061c111ce56cae70030e805de5247bb1e824f2009c12f910b5c90380a4e5325
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SHA512
e2291999f7b65bf3c0337096212d3fd78ea2b5a9e0d4f62f82cd48bb70c75deeefe3319efb51861996cc8c30ac23ec5c24b2cb49619b7d55b1fce62c734cbf81
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SSDEEP
12288:kPYJfyVQVC2aCDvJjteLRcrAd8OKpIYVEN5x8EG3QTC4lgjqZoJGt8U:kQ8kC2NFjULRAAd8n/VElXsqZoYt8
Static task
static1
Behavioral task
behavioral1
Sample
c061c111ce56cae70030e805de5247bb1e824f2009c12f910b5c90380a4e5325.exe
Resource
win10v2004-20240226-en
Behavioral task
behavioral2
Sample
c061c111ce56cae70030e805de5247bb1e824f2009c12f910b5c90380a4e5325.exe
Resource
win11-20240221-en
Malware Config
Extracted
djvu
http://sajdfue.com/test2/get.php
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extension
.looy
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offline_id
1eSPzWRaNslCgtjBZfL5pzvovoiaVI4IZSnvAwt1
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payload_url
http://sdfjhuz.com/dl/build2.exe
http://sajdfue.com/files/1/build3.exe
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ransomnote
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Extracted
vidar
8.6
5739ef2bbcd39fcd59c5746bfe4238c5
https://steamcommunity.com/profiles/76561199658817715
https://t.me/sa9ok
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profile_id_v2
5739ef2bbcd39fcd59c5746bfe4238c5
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user_agent
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/122.0.0.0 Safari/537.36
Targets
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Target
c061c111ce56cae70030e805de5247bb1e824f2009c12f910b5c90380a4e5325
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Size
758KB
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MD5
70ef7d7e81797a374b141c3f0bc86b6b
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SHA1
366c7c850b6037ec023ec156ade21b89f405ddbd
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SHA256
c061c111ce56cae70030e805de5247bb1e824f2009c12f910b5c90380a4e5325
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SHA512
e2291999f7b65bf3c0337096212d3fd78ea2b5a9e0d4f62f82cd48bb70c75deeefe3319efb51861996cc8c30ac23ec5c24b2cb49619b7d55b1fce62c734cbf81
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SSDEEP
12288:kPYJfyVQVC2aCDvJjteLRcrAd8OKpIYVEN5x8EG3QTC4lgjqZoJGt8U:kQ8kC2NFjULRAAd8n/VElXsqZoYt8
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Detect Vidar Stealer
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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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