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General
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Target
JC_41a18988ec6d1e28615f0598da03996c01ca2f3d6841318723858c07e1f63e59
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Size
777KB
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Sample
230901-xlwzrahb95
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MD5
45ec667b1e6b1e7f92608c94f91fbdfd
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SHA1
1519aaf933400864aed018c3cb9af6f9aa1d4746
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SHA256
41a18988ec6d1e28615f0598da03996c01ca2f3d6841318723858c07e1f63e59
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SHA512
e5df3e47d8c527c393860f5006b328b2b39fe2ded8ce8b51bc9c301c90a248c19ed907d0a9053e48ec44423eb15e7c3cef9bc17a7ee73b4ae52362685a763c10
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SSDEEP
24576:wtAe/CaDTMHnuuPJzzEpeMZFfejiZ8QXnZ:wtAmRQHuMJiPmjiZ7
Static task
static1
Behavioral task
behavioral1
Sample
JC_41a18988ec6d1e28615f0598da03996c01ca2f3d6841318723858c07e1f63e59.exe
Resource
win7-20230831-en
Behavioral task
behavioral2
Sample
JC_41a18988ec6d1e28615f0598da03996c01ca2f3d6841318723858c07e1f63e59.exe
Resource
win10v2004-20230831-en
Malware Config
Extracted
djvu
http://zexeq.com/lancer/get.php
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extension
.wzoq
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offline_id
pGPY4MKNHaEeN9pLKNW37rI0mblzUZFtPsjZ8Ht1
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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
5.4
25f5344bfcb62e75b7946c3a681aec54
https://t.me/vogogor
https://steamcommunity.com/profiles/76561199545993403
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profile_id_v2
25f5344bfcb62e75b7946c3a681aec54
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user_agent
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/605.2.13 (KHTML, like Gecko) Version/16.5.2 Safari/605.2.13
Targets
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Target
JC_41a18988ec6d1e28615f0598da03996c01ca2f3d6841318723858c07e1f63e59
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Size
777KB
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MD5
45ec667b1e6b1e7f92608c94f91fbdfd
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SHA1
1519aaf933400864aed018c3cb9af6f9aa1d4746
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SHA256
41a18988ec6d1e28615f0598da03996c01ca2f3d6841318723858c07e1f63e59
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SHA512
e5df3e47d8c527c393860f5006b328b2b39fe2ded8ce8b51bc9c301c90a248c19ed907d0a9053e48ec44423eb15e7c3cef9bc17a7ee73b4ae52362685a763c10
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SSDEEP
24576:wtAe/CaDTMHnuuPJzzEpeMZFfejiZ8QXnZ:wtAmRQHuMJiPmjiZ7
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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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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 Enterprise v15
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