General
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Target
2024-03-08_e6709542f6749bca05e9e45d18972e28_chaos_destroyer_wannacry
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Size
23KB
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Sample
240308-ykj48seg38
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MD5
e6709542f6749bca05e9e45d18972e28
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SHA1
0ac20e828852b6fd15b80b8f68e12882c6cdc30b
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SHA256
67dbebb3bf13eeb72f7970ccefd1a49c307d9f99de7a26139976724ef16269b3
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SHA512
4082dc9f31a83ccb1a6e56c6eab76dca46c039f3b5e3295c07d7142224dbfecda148076719c274ca576bdfc85e92a87747b30cfb5690527e8d1fb2bdc4700f4a
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SSDEEP
384:a3Mg/bqo2bCbcN6/IpnSuquWLJEr91CMNmb59eZ:gqo2+5IpnDq9Er9/mbTeZ
Behavioral task
behavioral1
Sample
2024-03-08_e6709542f6749bca05e9e45d18972e28_chaos_destroyer_wannacry.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
2024-03-08_e6709542f6749bca05e9e45d18972e28_chaos_destroyer_wannacry.exe
Resource
win10v2004-20240226-en
Malware Config
Extracted
C:\Users\Admin\Documents\README.txt
chaos
Targets
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Target
2024-03-08_e6709542f6749bca05e9e45d18972e28_chaos_destroyer_wannacry
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Size
23KB
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MD5
e6709542f6749bca05e9e45d18972e28
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SHA1
0ac20e828852b6fd15b80b8f68e12882c6cdc30b
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SHA256
67dbebb3bf13eeb72f7970ccefd1a49c307d9f99de7a26139976724ef16269b3
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SHA512
4082dc9f31a83ccb1a6e56c6eab76dca46c039f3b5e3295c07d7142224dbfecda148076719c274ca576bdfc85e92a87747b30cfb5690527e8d1fb2bdc4700f4a
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SSDEEP
384:a3Mg/bqo2bCbcN6/IpnSuquWLJEr91CMNmb59eZ:gqo2+5IpnDq9Er9/mbTeZ
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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Renames multiple (186) files with added filename extension
This suggests ransomware activity of encrypting all the files on the system.
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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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