General
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Target
f67b2ffda31c1bc72d891b1cd6e1e417091aeb0bdf09f9754258dfc55a6ea56e
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Size
255KB
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Sample
221127-bvhyladh31
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MD5
36368bf2cbfc941afd0d8c17ff28b519
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SHA1
75252254b166fc6f766638f238e042946386232b
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SHA256
f67b2ffda31c1bc72d891b1cd6e1e417091aeb0bdf09f9754258dfc55a6ea56e
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SHA512
cf1753c69e79249da0cdd443843f4e2e0305c8ea08ec6b1732b3aceb483b278f408577d627d4e1f43430ddd2ebf2c48b880e935a4d31cef830f602410d84619c
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SSDEEP
3072:MMDb50WrZa8jCgae5+VQkGdUQFDxePZ2SBaQJXkNRtXlNGKaUIQW/qlQBG3mmTJC:1xlZam+akqx6YQJXcNlEHUIQeE3mmBIL
Behavioral task
behavioral1
Sample
f67b2ffda31c1bc72d891b1cd6e1e417091aeb0bdf09f9754258dfc55a6ea56e.exe
Resource
win7-20221111-en
Malware Config
Targets
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Target
f67b2ffda31c1bc72d891b1cd6e1e417091aeb0bdf09f9754258dfc55a6ea56e
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Size
255KB
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MD5
36368bf2cbfc941afd0d8c17ff28b519
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SHA1
75252254b166fc6f766638f238e042946386232b
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SHA256
f67b2ffda31c1bc72d891b1cd6e1e417091aeb0bdf09f9754258dfc55a6ea56e
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SHA512
cf1753c69e79249da0cdd443843f4e2e0305c8ea08ec6b1732b3aceb483b278f408577d627d4e1f43430ddd2ebf2c48b880e935a4d31cef830f602410d84619c
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SSDEEP
3072:MMDb50WrZa8jCgae5+VQkGdUQFDxePZ2SBaQJXkNRtXlNGKaUIQW/qlQBG3mmTJC:1xlZam+akqx6YQJXcNlEHUIQeE3mmBIL
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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