General
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Target
fa2b4c59755bb42bd1a7523d072dff273dad18909d1d85dd48c5f6b17a531857
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Size
820KB
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Sample
221012-fe17fscdg3
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MD5
509eb96cfc6361d2b2bcc5eb67a14d2d
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SHA1
da75159aa96759419ef9cbfe49e852e25b5f953f
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SHA256
fa2b4c59755bb42bd1a7523d072dff273dad18909d1d85dd48c5f6b17a531857
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SHA512
84f515a7ba4a8900f3762acd546d80a203741b9007f2da27b9ba12ffd3747f5ccc174a4213931664025fc833d36f8d6e31cb984ef940982f9bf4c387753f1093
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SSDEEP
12288:q74KSTgwDYh6Hjo2R7JfyS3qPOylRY+BOC7fo699zXK67zyob77qdMu9sBIgdTZ:q74KSUwDYh6DnrJ+57fDTZzyo/LT
Static task
static1
Behavioral task
behavioral1
Sample
fa2b4c59755bb42bd1a7523d072dff273dad18909d1d85dd48c5f6b17a531857.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
fa2b4c59755bb42bd1a7523d072dff273dad18909d1d85dd48c5f6b17a531857
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Size
820KB
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MD5
509eb96cfc6361d2b2bcc5eb67a14d2d
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SHA1
da75159aa96759419ef9cbfe49e852e25b5f953f
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SHA256
fa2b4c59755bb42bd1a7523d072dff273dad18909d1d85dd48c5f6b17a531857
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SHA512
84f515a7ba4a8900f3762acd546d80a203741b9007f2da27b9ba12ffd3747f5ccc174a4213931664025fc833d36f8d6e31cb984ef940982f9bf4c387753f1093
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SSDEEP
12288:q74KSTgwDYh6Hjo2R7JfyS3qPOylRY+BOC7fo699zXK67zyob77qdMu9sBIgdTZ:q74KSUwDYh6DnrJ+57fDTZzyo/LT
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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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