General
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Target
2024-04-20_7b3efaefb41b7136502139438a6968e4_wannacry
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Size
301KB
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Sample
240420-ect5paff52
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MD5
7b3efaefb41b7136502139438a6968e4
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SHA1
84b25e639e5e1ee0519d5731a7810e0a312f3010
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SHA256
329dc7144e9e0e49aa9b7e3d495eb2a329579ea9d68249f93c3942179ece3cf6
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SHA512
62646bdbfa3ca43327885c93f2b6821f1f3c896791a147aa0981f1be269cc19eb77050f0305d0ac3c1db8e868894523d785c8b7059d264d9fb653c4d47357777
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SSDEEP
3072:D3kcMHr9irIKH11poMiMiHuZDLJ2YR7c2ytBcL5BdkwvTkmEd:hEr9irIava+ZWwvqd
Behavioral task
behavioral1
Sample
2024-04-20_7b3efaefb41b7136502139438a6968e4_wannacry.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
2024-04-20_7b3efaefb41b7136502139438a6968e4_wannacry.exe
Resource
win10v2004-20240412-en
Malware Config
Extracted
C:\Users\Admin\Desktop\read_it.txt
chaos
Targets
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Target
2024-04-20_7b3efaefb41b7136502139438a6968e4_wannacry
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Size
301KB
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MD5
7b3efaefb41b7136502139438a6968e4
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SHA1
84b25e639e5e1ee0519d5731a7810e0a312f3010
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SHA256
329dc7144e9e0e49aa9b7e3d495eb2a329579ea9d68249f93c3942179ece3cf6
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SHA512
62646bdbfa3ca43327885c93f2b6821f1f3c896791a147aa0981f1be269cc19eb77050f0305d0ac3c1db8e868894523d785c8b7059d264d9fb653c4d47357777
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SSDEEP
3072:D3kcMHr9irIKH11poMiMiHuZDLJ2YR7c2ytBcL5BdkwvTkmEd:hEr9irIava+ZWwvqd
Score10/10-
Chaos Ransomware
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Detects command variations typically used by ransomware
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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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