Windows 7 deprecation
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General
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Target
2025-01-25_eb46bc3e2ad88149176ef33c9fea087a_avoslocker_cobalt-strike_luca-stealer
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Size
624KB
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Sample
250125-efakfswlgj
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MD5
eb46bc3e2ad88149176ef33c9fea087a
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SHA1
a324f02d8fd3f4c4167e7a30123b2c8b5b20ee5a
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SHA256
c9abfc3e4da474e18795f5261f77e60c44e7b3353771281e4304e7506d56fdb4
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SHA512
c8c31df31a537c5ae89860d7b3aff0f6ea89d27767b096cb97543b44852256b46ee79e0012190820fde0a53626b2fbc4a7d22c1831eef680d5b59ad73d3250b3
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SSDEEP
12288:fNdW6SXebAH9eAoM83HrnLmhdledAxHwwaleIyUm1wJjUpse3NtN6REdsuEUEBNF:nVwRJmVSvGWEQXvvKw4IRRsrWPa1uo
Static task
static1
Behavioral task
behavioral1
Sample
2025-01-25_eb46bc3e2ad88149176ef33c9fea087a_avoslocker_cobalt-strike_luca-stealer.exe
Resource
win7-20241010-en
Behavioral task
behavioral2
Sample
2025-01-25_eb46bc3e2ad88149176ef33c9fea087a_avoslocker_cobalt-strike_luca-stealer.exe
Resource
win10v2004-20241007-en
Malware Config
Extracted
F:\!!!READ_ME_MEDUSA!!!.txt
https://t.me/+lyskiDn9KiYxZjlh
http://xfv4jzckytb4g3ckwemcny3ihv4i5p4lqzdpi624cxisu35my5fwi5qd.onion/
http://s7lmmhlt3iwnwirxvgjidl6omcblvw2rg75txjfduy73kx5brlmiulad.onion/
http://uyku4o2yg34ekvjtszg6gu7cvjzm6hyszhtu7c55iyuzhpr4k5knewyd.onion/d96ac6bae7c7117b47cc926b0dff683f
http://5ar4vuckm3k7osdlzskqkaqmqr4jjpmdikuotmlpkrbsxx7ard3xetyd.onion/d96ac6bae7c7117b47cc926b0dff683f
Targets
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Target
2025-01-25_eb46bc3e2ad88149176ef33c9fea087a_avoslocker_cobalt-strike_luca-stealer
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Size
624KB
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MD5
eb46bc3e2ad88149176ef33c9fea087a
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SHA1
a324f02d8fd3f4c4167e7a30123b2c8b5b20ee5a
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SHA256
c9abfc3e4da474e18795f5261f77e60c44e7b3353771281e4304e7506d56fdb4
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SHA512
c8c31df31a537c5ae89860d7b3aff0f6ea89d27767b096cb97543b44852256b46ee79e0012190820fde0a53626b2fbc4a7d22c1831eef680d5b59ad73d3250b3
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SSDEEP
12288:fNdW6SXebAH9eAoM83HrnLmhdledAxHwwaleIyUm1wJjUpse3NtN6REdsuEUEBNF:nVwRJmVSvGWEQXvvKw4IRRsrWPa1uo
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Medusa Ransomware
Ransomware first identified in 2022 that is distinct from the similarly named ransomware family MedusaLocker.
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Medusaransomware family
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Deletes shadow copies
Ransomware often targets backup files to inhibit system recovery.
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Renames multiple (8781) files with added filename extension
This suggests ransomware activity of encrypting all the files on the system.
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Boot or Logon Autostart Execution: Active Setup
Adversaries may achieve persistence by adding a Registry key to the Active Setup of the local machine.
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Credentials from Password Stores: Windows Credential Manager
Suspicious access to Credentials History.
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Drops startup file
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Drops desktop.ini file(s)
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Enumerates connected drives
Attempts to read the root path of hard drives other than the default C: drive.
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MITRE ATT&CK Enterprise v15
Defense Evasion
Direct Volume Access
1Indicator Removal
2File Deletion
2Modify Registry
1Credential Access
Credentials from Password Stores
2Credentials from Web Browsers
1Windows Credential Manager
1Unsecured Credentials
1Credentials In Files
1Discovery
Browser Information Discovery
1Network Share Discovery
1Peripheral Device Discovery
1Query Registry
1Remote System Discovery
1System Information Discovery
1System Location Discovery
1System Language Discovery
1System Network Configuration Discovery
1Internet Connection Discovery
1