General
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Target
file
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Size
703KB
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Sample
240106-qpzfqaaef4
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MD5
4ab7f99ee2a21823a94f2faaab068c7b
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SHA1
d7c7a4ebb1dc15a5889c9160334e197fc6362e35
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SHA256
2a707ff6a4840639e838d39cc367333bb92da01d39642002c1d26e26889df119
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SHA512
bbeaae0fad7e03f88cd669f3dc86529bfba1c24fccd76aa75bf2a5572b49db2fe058b3defaebad411d684af0aab649b25e909df5f46846e7c4dbeb393a2534b7
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SSDEEP
12288:pTuV8st8gmcSo/Wu/Ue1EBYiub+09RkNAqiCEf2stmM:AVLt5bS+LUe+Y/9RIXKht
Malware Config
Extracted
djvu
http://zexeq.com/test2/get.php
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extension
.cdaz
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offline_id
dSwr1XNNi5cIitB5eDPbMANcusB1dWGDB8ToUnt1
- payload_url
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ransomnote
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Targets
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Target
file
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Size
703KB
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MD5
4ab7f99ee2a21823a94f2faaab068c7b
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SHA1
d7c7a4ebb1dc15a5889c9160334e197fc6362e35
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SHA256
2a707ff6a4840639e838d39cc367333bb92da01d39642002c1d26e26889df119
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SHA512
bbeaae0fad7e03f88cd669f3dc86529bfba1c24fccd76aa75bf2a5572b49db2fe058b3defaebad411d684af0aab649b25e909df5f46846e7c4dbeb393a2534b7
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SSDEEP
12288:pTuV8st8gmcSo/Wu/Ue1EBYiub+09RkNAqiCEf2stmM:AVLt5bS+LUe+Y/9RIXKht
Score10/10-
Detected Djvu ransomware
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Djvu Ransomware
Ransomware which is a variant of the STOP family.
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Checks computer location settings
Looks up country code configured in the registry, likely geofence.
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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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