General
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Target
177f83b80d1b68bc4aaebd41d9a13f5289f36bddf684e72d01afa8e1b82e6f39
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Size
803KB
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Sample
230922-evy7cscg9w
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MD5
c58aca49341a89e3023bb394651c60af
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SHA1
a505024620347186d39d1303985654dade9ee085
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SHA256
177f83b80d1b68bc4aaebd41d9a13f5289f36bddf684e72d01afa8e1b82e6f39
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SHA512
0c94525a9ed9286d20ce7399b74e056fb93c932431af6cecb6c87927fbef955cbd0634f82834f3b614e710331afffeafc4d5b69b45d9f1db4aa3f055629523e5
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SSDEEP
12288:po+oPxj2ee33HI+RuAa+f+Snu3KcdIR9aKUya5/PWswf3vuXsHoe7w8mr8:ihZ217rWT39gCsHoe7wRr8
Static task
static1
Behavioral task
behavioral1
Sample
177f83b80d1b68bc4aaebd41d9a13f5289f36bddf684e72d01afa8e1b82e6f39.exe
Resource
win7-20230831-en
Behavioral task
behavioral2
Sample
177f83b80d1b68bc4aaebd41d9a13f5289f36bddf684e72d01afa8e1b82e6f39.exe
Resource
win10-20230915-en
Malware Config
Extracted
djvu
http://zexeq.com/test1/get.php
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extension
.wwpl
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offline_id
LtYnlJvK0hICyOCeum6Tv4pbia9jcIGHVgA3Xht1
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payload_url
http://colisumy.com/dl/build2.exe
http://zexeq.com/files/1/build3.exe
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ransomnote
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Extracted
vidar
5.7
5c0b4a12d6c03dd98ed431d3eded2169
https://steamcommunity.com/profiles/76561199553369541
https://t.me/dastanatg
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profile_id_v2
5c0b4a12d6c03dd98ed431d3eded2169
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user_agent
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_8) AppleWebKit/605.1.15 (KHTML, like Gecko) Version/16.7 Safari/605.1.75
Targets
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Target
177f83b80d1b68bc4aaebd41d9a13f5289f36bddf684e72d01afa8e1b82e6f39
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Size
803KB
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MD5
c58aca49341a89e3023bb394651c60af
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SHA1
a505024620347186d39d1303985654dade9ee085
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SHA256
177f83b80d1b68bc4aaebd41d9a13f5289f36bddf684e72d01afa8e1b82e6f39
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SHA512
0c94525a9ed9286d20ce7399b74e056fb93c932431af6cecb6c87927fbef955cbd0634f82834f3b614e710331afffeafc4d5b69b45d9f1db4aa3f055629523e5
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SSDEEP
12288:po+oPxj2ee33HI+RuAa+f+Snu3KcdIR9aKUya5/PWswf3vuXsHoe7w8mr8:ihZ217rWT39gCsHoe7wRr8
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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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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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MITRE ATT&CK Matrix ATT&CK v13
Persistence
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Scheduled Task/Job
1Privilege Escalation
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Scheduled Task/Job
1