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General
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Target
b70087d7f98d1202412bef14f85685697fe14b29a6c0e91da315c6bcc6b253d8
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Size
677KB
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Sample
240107-2cnz1agdh8
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MD5
29c90df93010a44329059fe0300d92da
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SHA1
2b5da6fe0256f1f27e86d955b4c53177e91d85dd
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SHA256
b70087d7f98d1202412bef14f85685697fe14b29a6c0e91da315c6bcc6b253d8
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SHA512
a1866d160ac263c8d4a9380469a4cb0ecf6d86621c6cfef43b1eade133be3bf9e5fb0d67f63f13af72faca11af52cf06ec464378fed7c444b5553d00950bf128
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SSDEEP
12288:oaTA97Ia6XHj9DF5nX7p/+haG3S/jktz0H1PiqvYWfXdQSD+YbaUcDrh:rcx+XHj5brpm0G3QjwIpi+YWfXdZK8b
Static task
static1
Behavioral task
behavioral1
Sample
b70087d7f98d1202412bef14f85685697fe14b29a6c0e91da315c6bcc6b253d8.exe
Resource
win7-20231129-en
Behavioral task
behavioral2
Sample
b70087d7f98d1202412bef14f85685697fe14b29a6c0e91da315c6bcc6b253d8.exe
Resource
win10-20231220-en
Malware Config
Extracted
djvu
http://zexeq.com/test1/get.php
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extension
.cdqw
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offline_id
mMsRxMUuXypapZbGOAfxD9pczHmW8zVRP7Pgjwt1
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payload_url
http://brusuax.com/dl/build2.exe
http://zexeq.com/files/1/build3.exe
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ransomnote
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Targets
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Target
b70087d7f98d1202412bef14f85685697fe14b29a6c0e91da315c6bcc6b253d8
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Size
677KB
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MD5
29c90df93010a44329059fe0300d92da
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SHA1
2b5da6fe0256f1f27e86d955b4c53177e91d85dd
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SHA256
b70087d7f98d1202412bef14f85685697fe14b29a6c0e91da315c6bcc6b253d8
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SHA512
a1866d160ac263c8d4a9380469a4cb0ecf6d86621c6cfef43b1eade133be3bf9e5fb0d67f63f13af72faca11af52cf06ec464378fed7c444b5553d00950bf128
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SSDEEP
12288:oaTA97Ia6XHj9DF5nX7p/+haG3S/jktz0H1PiqvYWfXdQSD+YbaUcDrh:rcx+XHj5brpm0G3QjwIpi+YWfXdZK8b
Score10/10-
Detect Vidar Stealer
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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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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