General
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Target
91fb824a61a9ddb8c1f961e2f3b1acde927c129ea64c117272fbb5f25f40f91d
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Size
10.1MB
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Sample
241123-ydrwhaspet
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MD5
fbebf7e29e3295a4d97c825b1efd17f0
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SHA1
84dbfb2b72a828c9bd7024dac9e0344f68c2c6c9
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SHA256
91fb824a61a9ddb8c1f961e2f3b1acde927c129ea64c117272fbb5f25f40f91d
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SHA512
f1d905a77db3160010c8aa19bdc4522b6f0900ebab5e585331f7724a30d887f6b35714f420f6a13f6a775e77b7f2c6bbf6a3387168e935f2a0e56de8d05c3a66
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SSDEEP
49152:3vUWkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkn:3
Static task
static1
Behavioral task
behavioral1
Sample
91fb824a61a9ddb8c1f961e2f3b1acde927c129ea64c117272fbb5f25f40f91d.exe
Resource
win7-20240708-en
Behavioral task
behavioral2
Sample
91fb824a61a9ddb8c1f961e2f3b1acde927c129ea64c117272fbb5f25f40f91d.exe
Resource
win10v2004-20241007-en
Malware Config
Extracted
tofsee
quadoil.ru
lakeflex.ru
Targets
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Target
91fb824a61a9ddb8c1f961e2f3b1acde927c129ea64c117272fbb5f25f40f91d
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Size
10.1MB
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MD5
fbebf7e29e3295a4d97c825b1efd17f0
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SHA1
84dbfb2b72a828c9bd7024dac9e0344f68c2c6c9
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SHA256
91fb824a61a9ddb8c1f961e2f3b1acde927c129ea64c117272fbb5f25f40f91d
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SHA512
f1d905a77db3160010c8aa19bdc4522b6f0900ebab5e585331f7724a30d887f6b35714f420f6a13f6a775e77b7f2c6bbf6a3387168e935f2a0e56de8d05c3a66
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SSDEEP
49152:3vUWkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkn:3
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Tofsee family
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Creates new service(s)
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Modifies Windows Firewall
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Sets service image path in registry
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Checks computer location settings
Looks up country code configured in the registry, likely geofence.
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Deletes itself
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Executes dropped EXE
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Suspicious use of SetThreadContext
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MITRE ATT&CK Enterprise v15
Persistence
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Create or Modify System Process
2Windows Service
2Event Triggered Execution
1Netsh Helper DLL
1Privilege Escalation
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Create or Modify System Process
2Windows Service
2Event Triggered Execution
1Netsh Helper DLL
1Defense Evasion
Impair Defenses
1Disable or Modify System Firewall
1Modify Registry
1