General
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Target
101e9314ddfdcb495a150c58f152f172.exe
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Size
162KB
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Sample
210328-wxdyx6y5w2
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MD5
101e9314ddfdcb495a150c58f152f172
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SHA1
806c6f4a8f9c97b0af94d96a51629b32829fc147
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SHA256
d4e1c7562172f7e075f9c87630d6e4e363514157ef85b2cef463799354466d6f
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SHA512
577a821b9eff1f7caf5c3e5c7b60071df6be71d37cad961e4146ab12126bc94f8072e9928b5268686104ca08f8031dd06d57379ecfb5115ba62c7626f65afe92
Static task
static1
Behavioral task
behavioral1
Sample
101e9314ddfdcb495a150c58f152f172.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
101e9314ddfdcb495a150c58f152f172.exe
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Size
162KB
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MD5
101e9314ddfdcb495a150c58f152f172
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SHA1
806c6f4a8f9c97b0af94d96a51629b32829fc147
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SHA256
d4e1c7562172f7e075f9c87630d6e4e363514157ef85b2cef463799354466d6f
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SHA512
577a821b9eff1f7caf5c3e5c7b60071df6be71d37cad961e4146ab12126bc94f8072e9928b5268686104ca08f8031dd06d57379ecfb5115ba62c7626f65afe92
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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