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General
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Target
f4819c22d68d4549c9ea1b6d675f1465d41e9e7b63c7d5d63909ab4b1cbc43ed
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Size
255KB
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Sample
240508-e5cfcadd93
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MD5
740ea66177e5ad75c64a090826daab0e
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SHA1
557e57c972341ba0c236fb8c8e0a0478e75ae220
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SHA256
f4819c22d68d4549c9ea1b6d675f1465d41e9e7b63c7d5d63909ab4b1cbc43ed
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SHA512
7447978883e4de57219034e193aac65c9e4557b91212903186583f0b5e89c5aff31d7199c286b86b8c32c8c637807b51c210112e23004bf3628dca7b4198ae3e
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SSDEEP
6144:lf4/sJYWd+ZO+oTcboiSLhCGnFo7ksYKFn3DqFn9W7:lf4QlqMT0oignsd3r7
Behavioral task
behavioral1
Sample
f4819c22d68d4549c9ea1b6d675f1465d41e9e7b63c7d5d63909ab4b1cbc43ed.exe
Resource
win7-20240220-en
Behavioral task
behavioral2
Sample
f4819c22d68d4549c9ea1b6d675f1465d41e9e7b63c7d5d63909ab4b1cbc43ed.exe
Resource
win10v2004-20240419-en
Malware Config
Targets
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Target
f4819c22d68d4549c9ea1b6d675f1465d41e9e7b63c7d5d63909ab4b1cbc43ed
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Size
255KB
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MD5
740ea66177e5ad75c64a090826daab0e
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SHA1
557e57c972341ba0c236fb8c8e0a0478e75ae220
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SHA256
f4819c22d68d4549c9ea1b6d675f1465d41e9e7b63c7d5d63909ab4b1cbc43ed
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SHA512
7447978883e4de57219034e193aac65c9e4557b91212903186583f0b5e89c5aff31d7199c286b86b8c32c8c637807b51c210112e23004bf3628dca7b4198ae3e
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SSDEEP
6144:lf4/sJYWd+ZO+oTcboiSLhCGnFo7ksYKFn3DqFn9W7:lf4QlqMT0oignsd3r7
Score9/10-
Detects executables containing base64 encoded User Agent
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Deletes itself
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Executes dropped EXE
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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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Writes to the Master Boot Record (MBR)
Bootkits write to the MBR to gain persistence at a level below the operating system.
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MITRE ATT&CK Enterprise v15
Persistence
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Pre-OS Boot
1Bootkit
1Privilege Escalation
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1