General
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Target
4c595e8e612d7663804656ecfb65d3a833e585652ba8f15f486611873420e9a1.exe
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Size
7.2MB
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Sample
241103-c67a1asfjh
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MD5
8f1eaaf77aa07ceb4af188ab50db4ed3
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SHA1
15148c0a2044805762d8494600386f49aec07b55
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SHA256
4c595e8e612d7663804656ecfb65d3a833e585652ba8f15f486611873420e9a1
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SHA512
d8ffa382cb99d3d7a1659a66fe6d586fea42aec9c21243e3d9b03928faf139809a435cb51dd0ec8ca5902b60a3effe8847637751a4075297ca189b4515e1ffcc
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SSDEEP
49152:MiZLYKiEYSkVodi19NPftSFwkrJxWxhlMOkj7EqTUOgA37MJ+WftYs:
Behavioral task
behavioral1
Sample
4c595e8e612d7663804656ecfb65d3a833e585652ba8f15f486611873420e9a1.exe
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
4c595e8e612d7663804656ecfb65d3a833e585652ba8f15f486611873420e9a1.exe
Resource
win10v2004-20241007-en
Malware Config
Extracted
C:\Users\Admin\Desktop\read_it.txt
chaos
1Fv8VepbEL9tVmBAzu5zvH8JcLDopUVfoS
Targets
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Target
4c595e8e612d7663804656ecfb65d3a833e585652ba8f15f486611873420e9a1.exe
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Size
7.2MB
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MD5
8f1eaaf77aa07ceb4af188ab50db4ed3
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SHA1
15148c0a2044805762d8494600386f49aec07b55
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SHA256
4c595e8e612d7663804656ecfb65d3a833e585652ba8f15f486611873420e9a1
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SHA512
d8ffa382cb99d3d7a1659a66fe6d586fea42aec9c21243e3d9b03928faf139809a435cb51dd0ec8ca5902b60a3effe8847637751a4075297ca189b4515e1ffcc
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SSDEEP
49152:MiZLYKiEYSkVodi19NPftSFwkrJxWxhlMOkj7EqTUOgA37MJ+WftYs:
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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