General
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Target
59e81448d0a99e76a3fbf0d4bb5bd0ffa391a9c90e7a3db9618d3bddfa27230a
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Size
212KB
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Sample
210921-gsxlvsbbdp
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MD5
dcc1ba9696537aaacfd42953dbbaf6f4
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SHA1
1392f1c64ab1df27648ed93aaed411a575034c47
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SHA256
59e81448d0a99e76a3fbf0d4bb5bd0ffa391a9c90e7a3db9618d3bddfa27230a
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SHA512
48fccb0a77bba42de5999c10ca96eb816ee7724d859ccf5ca483418df608a39f0924c82f4038f43ce4e367e612ba9113b6cd4b5b30b76879ead9301909c3c548
Static task
static1
Behavioral task
behavioral1
Sample
59e81448d0a99e76a3fbf0d4bb5bd0ffa391a9c90e7a3db9618d3bddfa27230a.exe
Resource
win10v20210408
Malware Config
Extracted
smokeloader
2020
http://venerynnet1.top/
http://kevonahira2.top/
http://vegangelist3.top/
http://kingriffaele4.top/
http://arakeishant5.top/
Targets
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Target
59e81448d0a99e76a3fbf0d4bb5bd0ffa391a9c90e7a3db9618d3bddfa27230a
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Size
212KB
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MD5
dcc1ba9696537aaacfd42953dbbaf6f4
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SHA1
1392f1c64ab1df27648ed93aaed411a575034c47
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SHA256
59e81448d0a99e76a3fbf0d4bb5bd0ffa391a9c90e7a3db9618d3bddfa27230a
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SHA512
48fccb0a77bba42de5999c10ca96eb816ee7724d859ccf5ca483418df608a39f0924c82f4038f43ce4e367e612ba9113b6cd4b5b30b76879ead9301909c3c548
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MedusaLocker Payload
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Identifies VirtualBox via ACPI registry values (likely anti-VM)
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Modifies boot configuration data using bcdedit
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XMRig Miner Payload
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Creates new service(s)
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Downloads MZ/PE file
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Drops file in Drivers directory
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Executes dropped EXE
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Modifies Windows Firewall
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Modifies extensions of user files
Ransomware generally changes the extension on encrypted files.
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Sets service image path in registry
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Checks BIOS information in registry
BIOS information is often read in order to detect sandboxing environments.
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Deletes itself
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Loads dropped DLL
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Accesses cryptocurrency files/wallets, possible credential harvesting
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Adds Run key to start application
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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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Drops desktop.ini file(s)
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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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Suspicious use of NtSetInformationThreadHideFromDebugger
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Suspicious use of SetThreadContext
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MITRE ATT&CK Enterprise v6
Persistence
Modify Existing Service
1New Service
1Registry Run Keys / Startup Folder
2Defense Evasion
Disabling Security Tools
1File Deletion
3Modify Registry
4Virtualization/Sandbox Evasion
1