General
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Target
8b27ea5d89a85833ae746ec3cc9c8b0a085d2e86b9a0b96d34fa888132aad864
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Size
744KB
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Sample
230329-p63c9shh7x
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MD5
b1154b4fae1c85e142bf78e5ed06eb1b
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SHA1
ad56ecf00b3b706a176463b8f29f421e67767636
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SHA256
8b27ea5d89a85833ae746ec3cc9c8b0a085d2e86b9a0b96d34fa888132aad864
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SHA512
f2cd3e00b9127e6bf31a0edf0310c310272739a8963c24ca63a5dff409ea206f8adc64bb9da626595a8d0ebd1fb2e530071307d75a6b1bb933fe0e4c60c8524d
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SSDEEP
12288:IqJBmexfpaG6QiuEhe9vlCOEh3rABXXX/XWVo5tAV0jpigiPQPenGNzaFvR3sR:IQmexfpazQiuVlCOEhUBHXPSwtAV01iF
Static task
static1
Behavioral task
behavioral1
Sample
8b27ea5d89a85833ae746ec3cc9c8b0a085d2e86b9a0b96d34fa888132aad864.exe
Resource
win10-20230220-en
Malware Config
Extracted
djvu
http://zexeq.com/test2/get.php
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extension
.jywd
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offline_id
MEMHlobHgXqvmTWaMsLcwGZhDOd00bblO1yevst1
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payload_url
http://uaery.top/dl/build2.exe
http://zexeq.com/files/1/build3.exe
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ransomnote
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Extracted
vidar
3.2
5df88deb5dde677ba658b77ad5f60248
https://steamcommunity.com/profiles/76561199489580435
https://t.me/tabootalks
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profile_id_v2
5df88deb5dde677ba658b77ad5f60248
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user_agent
Mozilla/5.0 (Windows NT 6.1; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/105.0.0.0 Safari/537.36 OPR/91.0.4516.79
Targets
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Target
8b27ea5d89a85833ae746ec3cc9c8b0a085d2e86b9a0b96d34fa888132aad864
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Size
744KB
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MD5
b1154b4fae1c85e142bf78e5ed06eb1b
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SHA1
ad56ecf00b3b706a176463b8f29f421e67767636
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SHA256
8b27ea5d89a85833ae746ec3cc9c8b0a085d2e86b9a0b96d34fa888132aad864
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SHA512
f2cd3e00b9127e6bf31a0edf0310c310272739a8963c24ca63a5dff409ea206f8adc64bb9da626595a8d0ebd1fb2e530071307d75a6b1bb933fe0e4c60c8524d
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SSDEEP
12288:IqJBmexfpaG6QiuEhe9vlCOEh3rABXXX/XWVo5tAV0jpigiPQPenGNzaFvR3sR:IQmexfpazQiuVlCOEhUBHXPSwtAV01iF
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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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