General
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Target
2025-01-17_ef76a31c46645c5b34b3560d6a92914e_chaos_destroyer_wannacry
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Size
26KB
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Sample
250117-xhc3gazpdr
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MD5
ef76a31c46645c5b34b3560d6a92914e
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SHA1
2867d691fe4ca452ffde1e015a4d7bb1b0d9fefd
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SHA256
f479b0a9e483856b47189e03f4c9a6f07cd9ee04f3aa494160134a03ac5526f6
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SHA512
a5ad94a2b7841be2bf23b413c15dc57c6cb196a79fa2cac8ceb607e30934a004caa579e90cae166825ad400d890573bf41ee7483d3300a5de8a2dc812181ec0e
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SSDEEP
384:qYenjLLAG9rPOB+Xvzb/xqwbOVp91W01Ib5oxDGSU:5+ru+7tc9RIb6xD9U
Behavioral task
behavioral1
Sample
2025-01-17_ef76a31c46645c5b34b3560d6a92914e_chaos_destroyer_wannacry.exe
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
2025-01-17_ef76a31c46645c5b34b3560d6a92914e_chaos_destroyer_wannacry.exe
Resource
win10v2004-20241007-en
Malware Config
Extracted
C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Crashpad\read_it.txt
chaos
Targets
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Target
2025-01-17_ef76a31c46645c5b34b3560d6a92914e_chaos_destroyer_wannacry
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Size
26KB
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MD5
ef76a31c46645c5b34b3560d6a92914e
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SHA1
2867d691fe4ca452ffde1e015a4d7bb1b0d9fefd
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SHA256
f479b0a9e483856b47189e03f4c9a6f07cd9ee04f3aa494160134a03ac5526f6
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SHA512
a5ad94a2b7841be2bf23b413c15dc57c6cb196a79fa2cac8ceb607e30934a004caa579e90cae166825ad400d890573bf41ee7483d3300a5de8a2dc812181ec0e
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SSDEEP
384:qYenjLLAG9rPOB+Xvzb/xqwbOVp91W01Ib5oxDGSU:5+ru+7tc9RIb6xD9U
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Chaos Ransomware
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Chaos family
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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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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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