General
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Target
2024-08-07_35451ac684f221eaa4441ca2b05e4dfc_wannacry
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Size
970KB
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Sample
240807-aqtzmavfqr
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MD5
35451ac684f221eaa4441ca2b05e4dfc
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SHA1
c47e4c4c5da786ba1b99d6d0bcd1f51f7d8e448d
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SHA256
a39511c8ef83711e33489a26a07fc5f25faf42d6f0d84537a49a834b67efa15c
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SHA512
92b3edb20c496dd29db41e6fc2b65a06530c49c3c0a63e312b4c23923c2ba6b4196df3fb9fbfda16948fdea302ae0c8cc1d5c8cc3ae3941337c99808c053884d
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SSDEEP
12288:Ro4d207I28YV+IZ5ZMTcNpLIsriuWVL+JUBK9jLF57RboGnDhCqYVNX3Sf8EYJKp:Re2pKu4e/FKG8tVdLX0uD0
Behavioral task
behavioral1
Sample
2024-08-07_35451ac684f221eaa4441ca2b05e4dfc_wannacry.exe
Resource
win7-20240704-en
Behavioral task
behavioral2
Sample
2024-08-07_35451ac684f221eaa4441ca2b05e4dfc_wannacry.exe
Resource
win10v2004-20240802-en
Malware Config
Extracted
C:\Users\Admin\Documents\read_it.txt
https://www.coinmama.com
https://www.bitpanda.com
https://www.moonpay.com/buy/btc
Targets
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Target
2024-08-07_35451ac684f221eaa4441ca2b05e4dfc_wannacry
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Size
970KB
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MD5
35451ac684f221eaa4441ca2b05e4dfc
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SHA1
c47e4c4c5da786ba1b99d6d0bcd1f51f7d8e448d
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SHA256
a39511c8ef83711e33489a26a07fc5f25faf42d6f0d84537a49a834b67efa15c
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SHA512
92b3edb20c496dd29db41e6fc2b65a06530c49c3c0a63e312b4c23923c2ba6b4196df3fb9fbfda16948fdea302ae0c8cc1d5c8cc3ae3941337c99808c053884d
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SSDEEP
12288:Ro4d207I28YV+IZ5ZMTcNpLIsriuWVL+JUBK9jLF57RboGnDhCqYVNX3Sf8EYJKp:Re2pKu4e/FKG8tVdLX0uD0
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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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Renames multiple (233) 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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Sets desktop wallpaper using registry
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