General
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Target
2024-08-21_0ecf53d9ddfc474ad81863089bafd60f_chaos_destroyer_wannacry
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Size
23KB
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Sample
240821-qy3vhavcnn
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MD5
0ecf53d9ddfc474ad81863089bafd60f
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SHA1
4a59a70bbd36d9cee4f307c04e551b66750c5205
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SHA256
26951a620630d5cc4d118f5706f8fd2d63b8d725075d0f8ba9078fbc8a8b66b9
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SHA512
bb1a16e5b431861da1051ad3a28bcebdaf4281f4432dd95471bf287fc9901dbe8ed702b17587ea5cef9966cffe62e361a9e8e8ec95dc18e756ba9dca7dcf2311
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SSDEEP
384:E3MLWHn3kI3fcSxlR2WpCdeTwJgr91Czxb51eC:8n3kIE69pCs8gr9ixbDeC
Behavioral task
behavioral1
Sample
2024-08-21_0ecf53d9ddfc474ad81863089bafd60f_chaos_destroyer_wannacry.exe
Resource
win7-20240729-en
Behavioral task
behavioral2
Sample
2024-08-21_0ecf53d9ddfc474ad81863089bafd60f_chaos_destroyer_wannacry.exe
Resource
win10v2004-20240802-en
Malware Config
Extracted
C:\Users\Admin\Desktop\read_it.txt
chaos
Targets
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Target
2024-08-21_0ecf53d9ddfc474ad81863089bafd60f_chaos_destroyer_wannacry
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Size
23KB
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MD5
0ecf53d9ddfc474ad81863089bafd60f
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SHA1
4a59a70bbd36d9cee4f307c04e551b66750c5205
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SHA256
26951a620630d5cc4d118f5706f8fd2d63b8d725075d0f8ba9078fbc8a8b66b9
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SHA512
bb1a16e5b431861da1051ad3a28bcebdaf4281f4432dd95471bf287fc9901dbe8ed702b17587ea5cef9966cffe62e361a9e8e8ec95dc18e756ba9dca7dcf2311
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SSDEEP
384:E3MLWHn3kI3fcSxlR2WpCdeTwJgr91Czxb51eC:8n3kIE69pCs8gr9ixbDeC
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Chaos Ransomware
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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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