General
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Target
2024-08-24_4ddc85030528ea0a6a11cb420c963484_destroyer_wannacry
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Size
35KB
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Sample
240824-tvgdwaydpe
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MD5
4ddc85030528ea0a6a11cb420c963484
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SHA1
906417426d2c6e7f08e58060fe4a0055f24b3bcf
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SHA256
f41b0e540e3b733da2e5dcd1c5a915c3ebe40a479e80f3171f7d7ca346db434a
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SHA512
c50eceb24fbd5f413eef685387d33e2c107bbe50acef9705e154946501683e6653a423cdbf8b047caf909ed16f9e92edc68664ae69e8edbe583f9b1fa0b07a5f
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SSDEEP
768:rqoyptoxRFbmARzxB4+kzqFr9VIxbL6umeu:GoysFblB4fqFr9VI1ju
Behavioral task
behavioral1
Sample
2024-08-24_4ddc85030528ea0a6a11cb420c963484_destroyer_wannacry.exe
Resource
win7-20240708-en
Behavioral task
behavioral2
Sample
2024-08-24_4ddc85030528ea0a6a11cb420c963484_destroyer_wannacry.exe
Resource
win10v2004-20240802-en
Malware Config
Extracted
C:\Users\Admin\Documents\read_it.txt
chaos
Targets
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Target
2024-08-24_4ddc85030528ea0a6a11cb420c963484_destroyer_wannacry
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Size
35KB
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MD5
4ddc85030528ea0a6a11cb420c963484
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SHA1
906417426d2c6e7f08e58060fe4a0055f24b3bcf
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SHA256
f41b0e540e3b733da2e5dcd1c5a915c3ebe40a479e80f3171f7d7ca346db434a
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SHA512
c50eceb24fbd5f413eef685387d33e2c107bbe50acef9705e154946501683e6653a423cdbf8b047caf909ed16f9e92edc68664ae69e8edbe583f9b1fa0b07a5f
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SSDEEP
768:rqoyptoxRFbmARzxB4+kzqFr9VIxbL6umeu:GoysFblB4fqFr9VI1ju
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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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Looks for VirtualBox Guest Additions in registry
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Modifies boot configuration data using bcdedit
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Looks for VMWare Tools registry key
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Checks BIOS information in registry
BIOS information is often read in order to detect sandboxing environments.
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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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Maps connected drives based on registry
Disk information is often read in order to detect sandboxing environments.
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