General
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Target
0e1b09ec3d2abe477b5cf4e25f9edb4cecf4863f114161a045932f31cefd7c0a
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Size
758KB
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Sample
240328-q5zfnaff9w
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MD5
257163d23df5fa7e31798ddf0729db4d
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SHA1
083d757729fef4c4837562efa08a4b956215ca14
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SHA256
0e1b09ec3d2abe477b5cf4e25f9edb4cecf4863f114161a045932f31cefd7c0a
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SHA512
fa168cec4546b9a8b0aed61d1e4b512e704f911817f50c8c769185061f40c864fe31291e5b38e099c935952123aa6c48ec90e8d0f290addd17c5549cf096a972
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SSDEEP
12288:JS6QXZ1blNanQ9qtpa6vlA4fAbRcAvLtiirseaNopZ48BiDzvUB3QJydvuP/XEAg:Ut5NcrAk0RAirxZ48B93QKI/0A/Ycr7T
Static task
static1
Behavioral task
behavioral1
Sample
0e1b09ec3d2abe477b5cf4e25f9edb4cecf4863f114161a045932f31cefd7c0a.exe
Resource
win10v2004-20240226-en
Behavioral task
behavioral2
Sample
0e1b09ec3d2abe477b5cf4e25f9edb4cecf4863f114161a045932f31cefd7c0a.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
0e1b09ec3d2abe477b5cf4e25f9edb4cecf4863f114161a045932f31cefd7c0a
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Size
758KB
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MD5
257163d23df5fa7e31798ddf0729db4d
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SHA1
083d757729fef4c4837562efa08a4b956215ca14
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SHA256
0e1b09ec3d2abe477b5cf4e25f9edb4cecf4863f114161a045932f31cefd7c0a
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SHA512
fa168cec4546b9a8b0aed61d1e4b512e704f911817f50c8c769185061f40c864fe31291e5b38e099c935952123aa6c48ec90e8d0f290addd17c5549cf096a972
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SSDEEP
12288:JS6QXZ1blNanQ9qtpa6vlA4fAbRcAvLtiirseaNopZ48BiDzvUB3QJydvuP/XEAg:Ut5NcrAk0RAirxZ48B93QKI/0A/Ycr7T
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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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