General
- Target Gocullinator.exe
- Size 159.6MB
- Sample260809-15m3qswfrh
- SHA256 1246a1693345ac2a6e01bf40ddf277d91c2f8305800bdbf056a622dd1c9b89dd
- MD5 beca1229a24fcd547924d6661a21de48
- SHA1 37315e4763ec7e874d1f6f5b7800791ac682fa51
- SHA512 b23553658b8bb7ac896606bc4b0634367007c6cd7fe917137fc0246e215de51e74ee548b911f997e7a9ee723339405d32e655afe579eef3902b6288c8f03cc43
- SSDEEP 3145728:B4gyJwMgYRgwvjSlpXD1QXi2E6mMnNNPExVNMNesgxdtQSC++bt3EnB2rRJIE:pyKMxTvjAl1QnE6mgN05LCAnB2rROE
- TLSH T138883345D40128CAF535A07BD7214A2EA96A3CDF43C3442F6C2513A714B33AEABF7E65
- MD5 SHA1 SHA512 SSDEEP TLSH
Behavioral task
behavioral1
Sample
Gocullinator.exe
Resource
win10v2004-20260513-en
Malware Config
Targets
-
- Target Gocullinator.exe
- Size 159.6MB
- SHA256 1246a1693345ac2a6e01bf40ddf277d91c2f8305800bdbf056a622dd1c9b89dd
- MD5 beca1229a24fcd547924d6661a21de48
- SHA1 37315e4763ec7e874d1f6f5b7800791ac682fa51
- SHA512 b23553658b8bb7ac896606bc4b0634367007c6cd7fe917137fc0246e215de51e74ee548b911f997e7a9ee723339405d32e655afe579eef3902b6288c8f03cc43
- SSDEEP 3145728:B4gyJwMgYRgwvjSlpXD1QXi2E6mMnNNPExVNMNesgxdtQSC++bt3EnB2rRJIE:pyKMxTvjAl1QnE6mgN05LCAnB2rROE
- TLSH T138883345D40128CAF535A07BD7214A2EA96A3CDF43C3442F6C2513A714B33AEABF7E65
- MD5 SHA1 SHA512 SSDEEP TLSH
-
Boot or Logon Autostart Execution: Active Setup
Adversaries may achieve persistence by adding a Registry key to the Active Setup of the local machine.
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Checks BIOS information in registry
BIOS information is often read in order to detect sandboxing environments.
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Checks computer location settings
Looks up country code configured in the registry, likely geofence.
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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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Loads dropped DLL
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Modifies system executable filetype association
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Accesses Microsoft Outlook profiles
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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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Contacts third-party web service commonly abused for C2
Legitimate web (hosting) services can be abused by malware authors to host malware or C2s.
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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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Sets desktop wallpaper using registry
MITRE ATT&CK Enterprise v16
Persistence
Boot or Logon Autostart Execution
2Active Setup
1Registry Run Keys / Startup Folder
1Event Triggered Execution
2Change Default File Association
1Component Object Model Hijacking
1Pre-OS Boot
1Bootkit
1