General
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Target
bc9781962a3ffc4a31a09feaba08e918a601f7679d955f68110c1ab5a9bc6109
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Size
255KB
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Sample
221127-bwk5caae26
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MD5
2920809bfd784638750e0eb501cebddc
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SHA1
ad5e4c0ad912475afcfa321b7654ba498344abff
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SHA256
bc9781962a3ffc4a31a09feaba08e918a601f7679d955f68110c1ab5a9bc6109
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SHA512
6adbc5cdf5bf0c9eb978318a9c5e9dc9fc2b552b7b508fe5a87ddb2f63734826aa1e04833f77c04f9462186fa71e3d6034db81ebb00915f095c8afea87c89d3d
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SSDEEP
3072:MMDb50WrZa8jCgae5+VQkGdUQFDxePZ2SBaQJXkNRtXlNGKaUIQW/qlQBG3mmTJI:1xlZam+akqx6YQJXcNlEHUIQeE3mmBIn
Behavioral task
behavioral1
Sample
bc9781962a3ffc4a31a09feaba08e918a601f7679d955f68110c1ab5a9bc6109.exe
Resource
win7-20220901-en
Behavioral task
behavioral2
Sample
bc9781962a3ffc4a31a09feaba08e918a601f7679d955f68110c1ab5a9bc6109.exe
Resource
win10v2004-20221111-en
Malware Config
Targets
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Target
bc9781962a3ffc4a31a09feaba08e918a601f7679d955f68110c1ab5a9bc6109
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Size
255KB
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MD5
2920809bfd784638750e0eb501cebddc
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SHA1
ad5e4c0ad912475afcfa321b7654ba498344abff
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SHA256
bc9781962a3ffc4a31a09feaba08e918a601f7679d955f68110c1ab5a9bc6109
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SHA512
6adbc5cdf5bf0c9eb978318a9c5e9dc9fc2b552b7b508fe5a87ddb2f63734826aa1e04833f77c04f9462186fa71e3d6034db81ebb00915f095c8afea87c89d3d
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SSDEEP
3072:MMDb50WrZa8jCgae5+VQkGdUQFDxePZ2SBaQJXkNRtXlNGKaUIQW/qlQBG3mmTJI:1xlZam+akqx6YQJXcNlEHUIQeE3mmBIn
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Modifies visibility of file extensions in Explorer
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Modifies visiblity of hidden/system files in Explorer
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Disables RegEdit via registry modification
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Executes dropped EXE
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Checks computer location settings
Looks up country code configured in the registry, likely geofence.
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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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Modifies WinLogon
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AutoIT Executable
AutoIT scripts compiled to PE executables.
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Drops file in System32 directory
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MITRE ATT&CK Enterprise v6
Persistence
Hidden Files and Directories
2Registry Run Keys / Startup Folder
1Winlogon Helper DLL
1Defense Evasion
Disabling Security Tools
2Hidden Files and Directories
2Modify Registry
7