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General
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Target
fZURDihz.txt
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Size
3KB
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Sample
230311-3tv1baca23
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MD5
1ddb4a1e46115e4996059f165ea62467
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SHA1
56e21e491a8dddbf48d3f704d1ce03260008221f
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SHA256
3b234bcbd34396cab8761fd7c197936b08a2da6d30c75736f2e8fb680d7eb073
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SHA512
22f37358a253e9d4e3e8bf03bde0e526131fce8276971091dfa8504bc032c08c4a4be8245ebeccae288b33fc19f8b48f6833a9f1a0fcb6a03a72eb47ab200dfe
Static task
static1
Malware Config
Targets
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Target
fZURDihz.txt
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Size
3KB
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MD5
1ddb4a1e46115e4996059f165ea62467
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SHA1
56e21e491a8dddbf48d3f704d1ce03260008221f
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SHA256
3b234bcbd34396cab8761fd7c197936b08a2da6d30c75736f2e8fb680d7eb073
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SHA512
22f37358a253e9d4e3e8bf03bde0e526131fce8276971091dfa8504bc032c08c4a4be8245ebeccae288b33fc19f8b48f6833a9f1a0fcb6a03a72eb47ab200dfe
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Blocklisted process makes network request
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Contacts a large (509) amount of remote hosts
This may indicate a network scan to discover remotely running services.
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Downloads MZ/PE file
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Drops file in Drivers directory
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Stops running service(s)
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Checks computer location settings
Looks up country code configured in the registry, likely geofence.
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Executes dropped EXE
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Loads dropped DLL
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Modifies file permissions
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Modifies system executable filetype association
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Registers COM server for autorun
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Checks installed software on the system
Looks up Uninstall key entries in the registry to enumerate software on the system.
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Enumerates connected drives
Attempts to read the root path of hard drives other than the default C: drive.
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Drops file in System32 directory
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MITRE ATT&CK Enterprise v6
Persistence
Change Default File Association
1Modify Existing Service
1Registry Run Keys / Startup Folder
1Defense Evasion
File and Directory Permissions Modification
1Impair Defenses
1Install Root Certificate
1Modify Registry
3