General
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Target
8740-heart.png
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Size
1KB
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Sample
230725-zp6z8sfh84
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MD5
09da2399460afa0359a47e13c6e88847
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SHA1
a3605f454a3a161aad1a5b0c717d77c856e36dc1
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SHA256
b4dbc2861c1cb405efae402534731e48814cb75d7b34755e82fad25ae4b572b6
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SHA512
9198eadd9321e71fafe91d4648e7f1c8ad5d6f2b83aa81daa01eeacc789958353a6a60e187e0b0ad6fd5a4036f9afc9d3e4028c3d27274991bc77275d47b2b28
Static task
static1
Behavioral task
behavioral1
Sample
8740-heart.png
Resource
win7-20230712-en
Malware Config
Targets
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Target
8740-heart.png
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Size
1KB
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MD5
09da2399460afa0359a47e13c6e88847
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SHA1
a3605f454a3a161aad1a5b0c717d77c856e36dc1
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SHA256
b4dbc2861c1cb405efae402534731e48814cb75d7b34755e82fad25ae4b572b6
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SHA512
9198eadd9321e71fafe91d4648e7f1c8ad5d6f2b83aa81daa01eeacc789958353a6a60e187e0b0ad6fd5a4036f9afc9d3e4028c3d27274991bc77275d47b2b28
Score8/10-
Downloads MZ/PE file
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Drops file in Drivers directory
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Sets service image path in registry
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Checks BIOS information in registry
BIOS information is often read in order to detect sandboxing environments.
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Executes dropped EXE
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Loads dropped DLL
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Registers COM server for autorun
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Adds Run key to start application
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Checks for any installed AV software in registry
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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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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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Drops file in System32 directory
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MITRE ATT&CK Enterprise v15
Persistence
Boot or Logon Autostart Execution
3Registry Run Keys / Startup Folder
3Pre-OS Boot
1Bootkit
1Privilege Escalation
Boot or Logon Autostart Execution
3Registry Run Keys / Startup Folder
3Defense Evasion
Modify Registry
4Pre-OS Boot
1Bootkit
1Subvert Trust Controls
1Install Root Certificate
1