General
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Target
2025-01-30_e268d6f87640a4031cde75775c37e289_chaos_destroyer_wannacry
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Size
24KB
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Sample
250130-tx9hfawnft
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MD5
e268d6f87640a4031cde75775c37e289
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SHA1
0045a30dc57eb37a5210cace55295fdebc057472
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SHA256
a5379455e745a667baa6b3f6e76dcd161b55d136cc5ccdc3a38f793bc2e51060
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SHA512
8cfbffe5346ebe05412125666c0ec582967af2c81269f1c659c9198c314198f581acc68c59f48c372c0781af64bbfd0859c274e923723ad77a27eb1fca4acf3c
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SSDEEP
384:s3Mg/bqo2vkhI6MxdDpzAD4+X0Z/BJxr91CWKvbnjeZ:Sqo28hwLpzu4+kRvxr9zKvbjeZ
Behavioral task
behavioral1
Sample
2025-01-30_e268d6f87640a4031cde75775c37e289_chaos_destroyer_wannacry.exe
Resource
win7-20241010-en
Behavioral task
behavioral2
Sample
2025-01-30_e268d6f87640a4031cde75775c37e289_chaos_destroyer_wannacry.exe
Resource
win10v2004-20250129-en
Malware Config
Extracted
C:\Users\Admin\Documents\read_it.txt
chaos
Targets
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Target
2025-01-30_e268d6f87640a4031cde75775c37e289_chaos_destroyer_wannacry
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Size
24KB
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MD5
e268d6f87640a4031cde75775c37e289
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SHA1
0045a30dc57eb37a5210cace55295fdebc057472
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SHA256
a5379455e745a667baa6b3f6e76dcd161b55d136cc5ccdc3a38f793bc2e51060
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SHA512
8cfbffe5346ebe05412125666c0ec582967af2c81269f1c659c9198c314198f581acc68c59f48c372c0781af64bbfd0859c274e923723ad77a27eb1fca4acf3c
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SSDEEP
384:s3Mg/bqo2vkhI6MxdDpzAD4+X0Z/BJxr91CWKvbnjeZ:Sqo28hwLpzu4+kRvxr9zKvbjeZ
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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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Renames multiple (220) 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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