General
- Target 1888ecf4e90f02ecaaefdb3624825fa2.bin
- Size 264KB
- Sample250414-bfazfawmx2
- SHA256 c02413c8d2f6cf20728cb4ff088d73d87e592d0f80d3b7ad3ccc8bd05ad6dfa7
- MD5 57ce8025925f12c99b2a5b7f337e2661
- SHA1 303ecc30a3cb759c29efe6dd41a9de39f89c2b49
- SHA512 4a0c3ad6c27dd9150001fad946d64eb2fff07df153ffc81fd0d9019517c66083d102482ff061a896663a2fde18ee8ff508ae60a81238fa1fa34094794c192cf3
- SSDEEP 6144:d+BLAZEPacHWRThylA16BQNJxWGKT3+yfgD+RVXl+DW35:cyZEPLHcThys6oFKT3gKVXl+6J
- MD5 SHA1 SHA512 SSDEEP
Behavioral task
behavioral1
Sample
a78fa1ecadc46870c17e458ab427bad6586b74c7d3e8472f6d8448832ccb20f1.exe
Resource
win10v2004-20250314-en
Malware Config
Targets
-
- Target a78fa1ecadc46870c17e458ab427bad6586b74c7d3e8472f6d8448832ccb20f1.exe
- Size 497KB
- SHA256 a78fa1ecadc46870c17e458ab427bad6586b74c7d3e8472f6d8448832ccb20f1
- MD5 1888ecf4e90f02ecaaefdb3624825fa2
- SHA1 f347814ce3c6018a342799ff38644d02964635c0
- SHA512 cbe0bc441b41c37098bf98f15ac6795cf7bdde7452b01bbceb0b6e93378db023ac2a1edc3edcfbec1a7404a736b7e343acbb5e2dd7d9ab33450f4d780d20b8b2
- SSDEEP 6144:WFoCbN9uRh5W8iZuYtWrJhN7L6aMFNCk0Y+sPgtuMf9opaMPdZXT:0vZTs7N78CrZsPgUG9oDlZ
- MD5 SHA1 SHA512 SSDEEP
-
Detect Rhysida ransomware
-
Rhysida family
-
Clears Windows event logs
-
Deletes shadow copies
Ransomware often targets backup files to inhibit system recovery.
-
Renames multiple (9766) files with added filename extension
This suggests ransomware activity of encrypting all the files on the system.
-
Credentials from Password Stores: Windows Credential Manager
Suspicious access to Credentials History.
-
Drops startup file
-
Hide Artifacts: Hidden Window
Windows that would typically be displayed when an application carries out an operation can be hidden.
-
Indicator Removal: Clear Persistence
Clear artifacts associated with previously established persistence like scheduletasks on a host.
-
Power Settings
powercfg controls all configurable power system settings on a Windows system and can be abused to prevent an infected host from locking or shutting down.
-
Sets desktop wallpaper using registry
MITRE ATT&CK Enterprise v16
Execution
Command and Scripting Interpreter
1PowerShell
1Windows Management Instrumentation
1Defense Evasion
Direct Volume Access
1Hide Artifacts
1Hidden Window
1Indicator Removal
4Clear Persistence
1Clear Windows Event Logs
1File Deletion
2Modify Registry
1Credential Access
Credentials from Password Stores
2Credentials from Web Browsers
1Windows Credential Manager
1Unsecured Credentials
1Credentials In Files
1