General
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Target
test123.exe
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Size
397KB
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Sample
241216-wtk2saxjhw
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MD5
ac5a257992599ba6e64e705cff27a671
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SHA1
15854c4b735880e0aa384e85f306e4adf67140f5
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SHA256
4fba7c66c4fedc46793a324e514b073635a54ab72f9af9685b88c29297168de3
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SHA512
9af441aeb9fd4860aa3aa11ceefe68520f79b8e40a9be45f0ae37c2910ff52647c1299975ea1ba77e84d905fd46ab448971b1135b122496ffae55221ac9f3f66
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SSDEEP
12288:D92GgykqXIBXPtrJwZvXO/6hVGhGIcVO+HGgIOXK:R7sL
Behavioral task
behavioral1
Sample
test123.exe
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
test123.exe
Resource
win10v2004-20241007-en
Malware Config
Extracted
C:\Users\Admin\Desktop\read_it.txt
chaos
Targets
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Target
test123.exe
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Size
397KB
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MD5
ac5a257992599ba6e64e705cff27a671
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SHA1
15854c4b735880e0aa384e85f306e4adf67140f5
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SHA256
4fba7c66c4fedc46793a324e514b073635a54ab72f9af9685b88c29297168de3
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SHA512
9af441aeb9fd4860aa3aa11ceefe68520f79b8e40a9be45f0ae37c2910ff52647c1299975ea1ba77e84d905fd46ab448971b1135b122496ffae55221ac9f3f66
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SSDEEP
12288:D92GgykqXIBXPtrJwZvXO/6hVGhGIcVO+HGgIOXK:R7sL
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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