General
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Target
2831789b378bbe20089b21443539c80a5258fa583e801a509adf9da99eecd275
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Size
794KB
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Sample
221012-cl4pdacbfp
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MD5
8f7da1f9d1716d1850448b0dcb52c03f
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SHA1
ccd7d15c3f0b57ee1a6cfd5e75505c768d4c445f
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SHA256
2831789b378bbe20089b21443539c80a5258fa583e801a509adf9da99eecd275
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SHA512
08d12d4a199f3cd97acf1ea53a57d81bfeefd15f516abb52487dd4bdefb68ae73767ec280d330bd73ae4480f8daa58515f2ab7ac282636adb44dbdc8cc61ca78
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SSDEEP
12288:8i8S+WCuqwxeLwV8uiGAG44+wgvWBaVUBRNcZt+dSbZ4vjwnd:8i8SDdXszuEAaVUBRWZt7yLwn
Static task
static1
Behavioral task
behavioral1
Sample
2831789b378bbe20089b21443539c80a5258fa583e801a509adf9da99eecd275.exe
Resource
win10-20220812-en
Malware Config
Extracted
djvu
http://winnlinne.com/test1/get.php
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extension
.pohj
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offline_id
tHl9RvVtHhFQisMomKMdXzz2soNLhV0cuok85it1
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payload_url
http://rgyui.top/dl/build2.exe
http://winnlinne.com/files/1/build3.exe
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ransomnote
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Extracted
vidar
55
517
https://t.me/truewallets
https://mas.to/@zara99
http://116.203.10.3:80
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profile_id
517
Targets
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Target
2831789b378bbe20089b21443539c80a5258fa583e801a509adf9da99eecd275
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Size
794KB
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MD5
8f7da1f9d1716d1850448b0dcb52c03f
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SHA1
ccd7d15c3f0b57ee1a6cfd5e75505c768d4c445f
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SHA256
2831789b378bbe20089b21443539c80a5258fa583e801a509adf9da99eecd275
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SHA512
08d12d4a199f3cd97acf1ea53a57d81bfeefd15f516abb52487dd4bdefb68ae73767ec280d330bd73ae4480f8daa58515f2ab7ac282636adb44dbdc8cc61ca78
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SSDEEP
12288:8i8S+WCuqwxeLwV8uiGAG44+wgvWBaVUBRNcZt+dSbZ4vjwnd:8i8SDdXszuEAaVUBRWZt7yLwn
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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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