General
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Target
2025-03-17_b538bbf95474d2b3af7c9a35ca6bae17_cobalt-strike_frostygoop_gcleaner_poet-rat_sliver_snatch
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Size
9.1MB
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Sample
250317-me273sxvhs
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MD5
b538bbf95474d2b3af7c9a35ca6bae17
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SHA1
a33fbad3a5601d52224a749a68dfbbd77eadbf2b
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SHA256
cdc6c87ca04b9ae34b819f3d394c370993d2ca046ddce4acc6b0a8e3c2aa3a6c
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SHA512
a56cc6d09d7416ae1880c8d757a1fb041c2a01da1314630d1eaee77684d78b8f91733e74f7c6cc473cc6f49968faa1aebc5eceb3ada3c6390946b7bbc07e1587
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SSDEEP
98304:GHxMZDJ1TRpxYVX9u2IazANf6hZytTD5iq6:sxEvYjVzANihwN
Behavioral task
behavioral1
Sample
2025-03-17_b538bbf95474d2b3af7c9a35ca6bae17_cobalt-strike_frostygoop_gcleaner_poet-rat_sliver_snatch.exe
Resource
win7-20241010-en
Behavioral task
behavioral2
Sample
2025-03-17_b538bbf95474d2b3af7c9a35ca6bae17_cobalt-strike_frostygoop_gcleaner_poet-rat_sliver_snatch.exe
Resource
win10v2004-20250313-en
Malware Config
Targets
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Target
2025-03-17_b538bbf95474d2b3af7c9a35ca6bae17_cobalt-strike_frostygoop_gcleaner_poet-rat_sliver_snatch
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Size
9.1MB
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MD5
b538bbf95474d2b3af7c9a35ca6bae17
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SHA1
a33fbad3a5601d52224a749a68dfbbd77eadbf2b
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SHA256
cdc6c87ca04b9ae34b819f3d394c370993d2ca046ddce4acc6b0a8e3c2aa3a6c
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SHA512
a56cc6d09d7416ae1880c8d757a1fb041c2a01da1314630d1eaee77684d78b8f91733e74f7c6cc473cc6f49968faa1aebc5eceb3ada3c6390946b7bbc07e1587
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SSDEEP
98304:GHxMZDJ1TRpxYVX9u2IazANf6hZytTD5iq6:sxEvYjVzANihwN
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Glupteba family
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Glupteba payload
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Windows security bypass
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Modifies boot configuration data using bcdedit
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Drops file in Drivers directory
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Modifies Windows Firewall
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Possible attempt to disable PatchGuard
Rootkits can use kernel patching to embed themselves in an operating system.
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Executes dropped EXE
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Loads dropped DLL
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Windows security modification
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Adds Run key to start application
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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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Manipulates WinMon driver.
Roottkits write to WinMon to hide PIDs from being detected.
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Manipulates WinMonFS driver.
Roottkits write to WinMonFS to hide directories/files from being detected.
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Drops file in System32 directory
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MITRE ATT&CK Enterprise v15
Execution
Command and Scripting Interpreter
2PowerShell
1Scheduled Task/Job
1Scheduled Task
1Persistence
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Create or Modify System Process
1Windows Service
1Event Triggered Execution
1Netsh Helper DLL
1Scheduled Task/Job
1Scheduled Task
1Privilege Escalation
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Create or Modify System Process
1Windows Service
1Event Triggered Execution
1Netsh Helper DLL
1Scheduled Task/Job
1Scheduled Task
1Defense Evasion
Impair Defenses
4Disable or Modify System Firewall
1Disable or Modify Tools
2Modify Registry
4Subvert Trust Controls
1Install Root Certificate
1