General
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Target
2a8e8e9ba3a837db56a178f5330ee982a08bb083fcb907cba34ccaae9f7e289f
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Size
406KB
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Sample
210513-mcr7x9d2ye
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MD5
43349e08c310568c4d852900a9de2124
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SHA1
f7a8cb308703af8abee75ed61ee61843bf778873
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SHA256
2a8e8e9ba3a837db56a178f5330ee982a08bb083fcb907cba34ccaae9f7e289f
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SHA512
75e82f2218e02d21d5fbd50c5d6e3b75372738d57180e29800f89ce0d329bbe0696b2252e88c99c8147482dc42983cfcb395712f59bfcc81c159f27e8c6281c1
Static task
static1
Behavioral task
behavioral1
Sample
2a8e8e9ba3a837db56a178f5330ee982a08bb083fcb907cba34ccaae9f7e289f.exe
Resource
win7v20210408
Malware Config
Targets
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Target
2a8e8e9ba3a837db56a178f5330ee982a08bb083fcb907cba34ccaae9f7e289f
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Size
406KB
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MD5
43349e08c310568c4d852900a9de2124
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SHA1
f7a8cb308703af8abee75ed61ee61843bf778873
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SHA256
2a8e8e9ba3a837db56a178f5330ee982a08bb083fcb907cba34ccaae9f7e289f
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SHA512
75e82f2218e02d21d5fbd50c5d6e3b75372738d57180e29800f89ce0d329bbe0696b2252e88c99c8147482dc42983cfcb395712f59bfcc81c159f27e8c6281c1
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Modifies WinLogon for persistence
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Modifies firewall policy service
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Disables Task Manager via registry modification
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Executes dropped EXE
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Deletes itself
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Loads dropped DLL
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Adds Run key to start application
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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 autorun.inf file
Malware can abuse Windows Autorun to spread further via attached volumes.
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Suspicious use of SetThreadContext
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MITRE ATT&CK Matrix ATT&CK v6
Persistence
Winlogon Helper DLL
1Modify Existing Service
1Hidden Files and Directories
2Registry Run Keys / Startup Folder
1Defense Evasion
Modify Registry
7Bypass User Account Control
1Disabling Security Tools
3Hidden Files and Directories
2