General
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Target
20240919a264ca73aaced0a81a0b7fa14bc201f4chaosdestroyerwannacry
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Size
23KB
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Sample
240919-h48zpswhqe
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MD5
a264ca73aaced0a81a0b7fa14bc201f4
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SHA1
77a1624cbc6d2d5066f7e23b42f05fd2703fb394
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SHA256
5404595684deb101a7d8d6a11c104dc1401151149f69cb9a60ebb223b6f7e5b2
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SHA512
d141ce0021b3352a79eb1401401f072e25fa06773ed567b9922d99967740e07a88e5d5b1daa77a61d9f8a53b51a36441c8e3c1a00a25de203ad05d82b1929ed4
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SSDEEP
384:y3Mg/bqo21q5D+WVZfpKkLOjXJ/r91CCAiMbdLej:Iqo2Sy6ptOjZ/r9BAiMblej
Behavioral task
behavioral1
Sample
20240919a264ca73aaced0a81a0b7fa14bc201f4chaosdestroyerwannacry.exe
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
20240919a264ca73aaced0a81a0b7fa14bc201f4chaosdestroyerwannacry.exe
Resource
win10v2004-20240802-en
Malware Config
Extracted
C:\Users\Admin\Documents\READ_THIS.txt
chaos
Targets
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Target
20240919a264ca73aaced0a81a0b7fa14bc201f4chaosdestroyerwannacry
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Size
23KB
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MD5
a264ca73aaced0a81a0b7fa14bc201f4
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SHA1
77a1624cbc6d2d5066f7e23b42f05fd2703fb394
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SHA256
5404595684deb101a7d8d6a11c104dc1401151149f69cb9a60ebb223b6f7e5b2
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SHA512
d141ce0021b3352a79eb1401401f072e25fa06773ed567b9922d99967740e07a88e5d5b1daa77a61d9f8a53b51a36441c8e3c1a00a25de203ad05d82b1929ed4
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SSDEEP
384:y3Mg/bqo21q5D+WVZfpKkLOjXJ/r91CCAiMbdLej:Iqo2Sy6ptOjZ/r9BAiMblej
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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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