General
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Target
87501bb9f50174d8d306bbbbebe12903ff01d75de0cc32714ed82991b57a86c6.exe
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Size
41KB
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Sample
241028-dcy8zaydmb
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MD5
f4359c2c10233e0532b1456866d1dbfc
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SHA1
18f4e7c0d3d94f89995ab7d2abd4bf01b250021d
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SHA256
87501bb9f50174d8d306bbbbebe12903ff01d75de0cc32714ed82991b57a86c6
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SHA512
de6baac827e7ff507192f956c6d1e374d7c0594ae33b6e766d6d5691d888ff383b1fe8f3f8ba211755fb36257bb83ad0cc605722cde0963f280bf923acce90f4
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SSDEEP
768:6n3kI0xpAp6Br9StxXTVeVDC1SRUSnSk5mzAz2URJNZovB9VqiE7b7ed:A3kI3UBr9StGVhtSLzk2UR+v7VuSd
Behavioral task
behavioral1
Sample
87501bb9f50174d8d306bbbbebe12903ff01d75de0cc32714ed82991b57a86c6.exe
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
87501bb9f50174d8d306bbbbebe12903ff01d75de0cc32714ed82991b57a86c6.exe
Resource
win10v2004-20241007-en
Malware Config
Extracted
C:\Users\Admin\Desktop\read_it.txt
chaos
Targets
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Target
87501bb9f50174d8d306bbbbebe12903ff01d75de0cc32714ed82991b57a86c6.exe
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Size
41KB
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MD5
f4359c2c10233e0532b1456866d1dbfc
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SHA1
18f4e7c0d3d94f89995ab7d2abd4bf01b250021d
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SHA256
87501bb9f50174d8d306bbbbebe12903ff01d75de0cc32714ed82991b57a86c6
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SHA512
de6baac827e7ff507192f956c6d1e374d7c0594ae33b6e766d6d5691d888ff383b1fe8f3f8ba211755fb36257bb83ad0cc605722cde0963f280bf923acce90f4
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SSDEEP
768:6n3kI0xpAp6Br9StxXTVeVDC1SRUSnSk5mzAz2URJNZovB9VqiE7b7ed:A3kI3UBr9StGVhtSLzk2UR+v7VuSd
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Chaos Ransomware
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Chaos family
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Deletes shadow copies
Ransomware often targets backup files to inhibit system recovery.
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Modifies boot configuration data using bcdedit
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Checks computer location settings
Looks up country code configured in the registry, likely geofence.
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Drops startup file
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Executes dropped EXE
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Drops desktop.ini file(s)
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Sets desktop wallpaper using registry
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MITRE ATT&CK Enterprise v15
Defense Evasion
Direct Volume Access
1Indicator Removal
3File Deletion
3Modify Registry
1Credential Access
Credentials from Password Stores
1Credentials from Web Browsers
1Unsecured Credentials
1Credentials In Files
1