General
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Target
pysilon.zip
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Size
244.5MB
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Sample
240929-qphg7szamg
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MD5
6ee3532622660c24c5daedbf4ee93c4b
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SHA1
1d8e2a43bcddf065238ae5c827d7a29b645fb20e
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SHA256
3e649a0b2fb6b042ed405ffd7e68cd84750233ae61e1afd9cb40c8305f5a2acb
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SHA512
ccea310f09ab3499c4585a8ea3eb9e2bd8747bf43a8683ae63535854678fa585d698e302208e1a935c8a598f8eebeebc3af73ce1249746744aa899607909554a
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SSDEEP
6291456:p4jKAMPYH1Q4C4aUP1rxqvowy5l9srPMW/27mUwvUSMj:pO3MPYG4C6trxEowyjMp/2ynUSc
Behavioral task
behavioral1
Sample
pysilon.zip
Resource
win10-20240404-de
Malware Config
Targets
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Target
pysilon.zip
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Size
244.5MB
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MD5
6ee3532622660c24c5daedbf4ee93c4b
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SHA1
1d8e2a43bcddf065238ae5c827d7a29b645fb20e
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SHA256
3e649a0b2fb6b042ed405ffd7e68cd84750233ae61e1afd9cb40c8305f5a2acb
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SHA512
ccea310f09ab3499c4585a8ea3eb9e2bd8747bf43a8683ae63535854678fa585d698e302208e1a935c8a598f8eebeebc3af73ce1249746744aa899607909554a
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SSDEEP
6291456:p4jKAMPYH1Q4C4aUP1rxqvowy5l9srPMW/27mUwvUSMj:pO3MPYG4C6trxEowyjMp/2ynUSc
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Enumerates VirtualBox DLL files
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Command and Scripting Interpreter: PowerShell
Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.
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Downloads MZ/PE file
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Event Triggered Execution: Component Object Model Hijacking
Adversaries may establish persistence by executing malicious content triggered by hijacked references to Component Object Model (COM) objects.
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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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Blocklisted process makes network request
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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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Legitimate hosting services abused for malware hosting/C2
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MITRE ATT&CK Enterprise v15
Persistence
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Event Triggered Execution
1Component Object Model Hijacking
1Privilege Escalation
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Event Triggered Execution
1Component Object Model Hijacking
1Defense Evasion
Hide Artifacts
2Hidden Files and Directories
2Modify Registry
2Subvert Trust Controls
1Install Root Certificate
1Virtualization/Sandbox Evasion
1