General
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Target
2024-06-10_dbaf9e2ccaabf6be60ec6cb9fd899fe4_chaos_destroyer_wannacry
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Size
26KB
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Sample
240610-x86gpsxfra
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MD5
dbaf9e2ccaabf6be60ec6cb9fd899fe4
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SHA1
214bf1084bcc4cf416491a3b30be213452ab0c9b
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SHA256
94a47e4e20e4a6f8c80cadaa62a5df9054c3cc1085f20a9278b0386aa1911b9d
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SHA512
4f377a73651241a79be4a42876414198640b28a1d263cf91a9f51812e75e8415b95f18deaf2588a61ddd36ec34a5e28f07bd88d8af9e7be02214951ea04bd2f7
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SSDEEP
384:RYenjLLAtMI2qdEDb0SAQWwOVp91ilLCxb5ZxDGy:guISDFc9ILCxb3xDF
Behavioral task
behavioral1
Sample
2024-06-10_dbaf9e2ccaabf6be60ec6cb9fd899fe4_chaos_destroyer_wannacry.exe
Resource
win7-20240508-en
Behavioral task
behavioral2
Sample
2024-06-10_dbaf9e2ccaabf6be60ec6cb9fd899fe4_chaos_destroyer_wannacry.exe
Resource
win10v2004-20240508-en
Malware Config
Extracted
C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Crashpad\read_it.txt
chaos
Targets
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Target
2024-06-10_dbaf9e2ccaabf6be60ec6cb9fd899fe4_chaos_destroyer_wannacry
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Size
26KB
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MD5
dbaf9e2ccaabf6be60ec6cb9fd899fe4
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SHA1
214bf1084bcc4cf416491a3b30be213452ab0c9b
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SHA256
94a47e4e20e4a6f8c80cadaa62a5df9054c3cc1085f20a9278b0386aa1911b9d
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SHA512
4f377a73651241a79be4a42876414198640b28a1d263cf91a9f51812e75e8415b95f18deaf2588a61ddd36ec34a5e28f07bd88d8af9e7be02214951ea04bd2f7
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SSDEEP
384:RYenjLLAtMI2qdEDb0SAQWwOVp91ilLCxb5ZxDGy:guISDFc9ILCxb3xDF
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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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Detects command variations typically used by ransomware
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Modifies boot configuration data using bcdedit
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Renames multiple (180) files with added filename extension
This suggests ransomware activity of encrypting all the files on the system.
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Disables Task Manager via registry modification
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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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