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General
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Target
2025-03-01_e484fdf70971d7884b935f35009b70d9_darkside
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Size
147KB
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Sample
250301-l5l34synx6
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MD5
e484fdf70971d7884b935f35009b70d9
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SHA1
9df69d121589be29aaea4a791de68940e5b4560d
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SHA256
cc34b0ee0a05ec167f26cf9c0e7617dfe5c93859694d7f86519721e0500ea3e3
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SHA512
7af96b6e59288f9f5117cd9b8bce1a404bfadf0b2a74df61c0f6e8e5069a69fc50da802397fa6effc44dbdf2d9a912daff26482143c33f823e5fead7b4dd1bbc
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SSDEEP
3072:i6glyuxE4GsUPnliByocWepu1lFSooIjlya2j:i6gDBGpvEByocWe08i14
Behavioral task
behavioral1
Sample
2025-03-01_e484fdf70971d7884b935f35009b70d9_darkside.exe
Resource
win7-20241010-en
Behavioral task
behavioral2
Sample
2025-03-01_e484fdf70971d7884b935f35009b70d9_darkside.exe
Resource
win10v2004-20250217-en
Malware Config
Extracted
C:\P2cK9tagI.README.txt
braincipher
http://vkvsgl7lhipjirmz6j5ubp3w3bwvxgcdbpi3fsbqngfynetqtw4w5hyd.onion
http://brain4zoadgr6clxecixffvxjsw43cflyprnpfeak72nfh664kqqriyd.onion
Targets
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Target
2025-03-01_e484fdf70971d7884b935f35009b70d9_darkside
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Size
147KB
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MD5
e484fdf70971d7884b935f35009b70d9
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SHA1
9df69d121589be29aaea4a791de68940e5b4560d
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SHA256
cc34b0ee0a05ec167f26cf9c0e7617dfe5c93859694d7f86519721e0500ea3e3
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SHA512
7af96b6e59288f9f5117cd9b8bce1a404bfadf0b2a74df61c0f6e8e5069a69fc50da802397fa6effc44dbdf2d9a912daff26482143c33f823e5fead7b4dd1bbc
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SSDEEP
3072:i6glyuxE4GsUPnliByocWepu1lFSooIjlya2j:i6gDBGpvEByocWe08i14
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Brain Cipher
Ransomware family based on Lockbit that was first observed in June 2024.
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Braincipher family
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Renames multiple (7722) files with added filename extension
This suggests ransomware activity of encrypting all the files on the system.
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Checks computer location settings
Looks up country code configured in the registry, likely geofence.
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Deletes itself
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Executes dropped EXE
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Loads dropped DLL
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Drops desktop.ini file(s)
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Indicator Removal: File Deletion
Adversaries may delete files left behind by the actions of their intrusion activity.
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Suspicious use of NtSetInformationThreadHideFromDebugger
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