General
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Target
ed8abc9617438808e88ca91c8bfa8246.exe
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Size
162KB
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Sample
210328-pl3hjx57ea
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MD5
ed8abc9617438808e88ca91c8bfa8246
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SHA1
50888828af8422cdeb6bae51e39661fe9f6cb831
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SHA256
f8ad6ecb49e68ac7cf261551f01d8ef3348e347cf4239368a26bb2b3ec372904
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SHA512
d05fccb67316ece03a7522e5e39ebc45b7bcd84f44b281bf1fc34463295d4f821b11e1f5d3e3e9e92cf34f906dcc1c7f38aa21e3b4f07e2299eb7691ed7ae86d
Static task
static1
Behavioral task
behavioral1
Sample
ed8abc9617438808e88ca91c8bfa8246.exe
Resource
win7v20201028
Malware Config
Extracted
smokeloader
2020
http://xsss99.icu/upload/
http://bingooodsg.icu/upload/
http://junntd.xyz/upload/
http://ginessa11.xyz/upload/
http://overplayninsx.xyz/upload/
http://bananinze.com/upload/
http://daunimlas.com/upload/
Targets
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Target
ed8abc9617438808e88ca91c8bfa8246.exe
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Size
162KB
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MD5
ed8abc9617438808e88ca91c8bfa8246
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SHA1
50888828af8422cdeb6bae51e39661fe9f6cb831
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SHA256
f8ad6ecb49e68ac7cf261551f01d8ef3348e347cf4239368a26bb2b3ec372904
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SHA512
d05fccb67316ece03a7522e5e39ebc45b7bcd84f44b281bf1fc34463295d4f821b11e1f5d3e3e9e92cf34f906dcc1c7f38aa21e3b4f07e2299eb7691ed7ae86d
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XMRig Miner Payload
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Creates new service(s)
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Executes dropped EXE
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Modifies Windows Firewall
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Sets service image path in registry
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Deletes itself
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Loads dropped DLL
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Modifies file permissions
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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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Looks up external IP address via web service
Uses a legitimate IP lookup service to find the infected system's external IP.
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Drops file in System32 directory
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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 and Directory Permissions Modification
1Install Root Certificate
1Modify Registry
4