General
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Target
f497600b793c965a69df6cbc73af3df664b635fd098e463fab3d9badf0dccea4.exe
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Size
11.0MB
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Sample
241122-k57t5stpen
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MD5
3a73e3f5ff0ad1e222cac36e03b9fe66
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SHA1
155126c64e86e8f6830dd377417bd750b3f0b6e3
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SHA256
f497600b793c965a69df6cbc73af3df664b635fd098e463fab3d9badf0dccea4
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SHA512
b97bd61b89eafacf4e652a8f0ab9b284018d18911f4a5604a4e1ff3d16cbb4d1345265ee226d0dd26d1690fe4e3056ed682c659207b7a60ccd1a0e9ec73abc1c
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SSDEEP
49152:wNxtFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFg:WO
Static task
static1
Behavioral task
behavioral1
Sample
f497600b793c965a69df6cbc73af3df664b635fd098e463fab3d9badf0dccea4.exe
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
f497600b793c965a69df6cbc73af3df664b635fd098e463fab3d9badf0dccea4.exe
Resource
win10v2004-20241007-en
Malware Config
Extracted
tofsee
quadoil.ru
lakeflex.ru
Targets
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Target
f497600b793c965a69df6cbc73af3df664b635fd098e463fab3d9badf0dccea4.exe
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Size
11.0MB
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MD5
3a73e3f5ff0ad1e222cac36e03b9fe66
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SHA1
155126c64e86e8f6830dd377417bd750b3f0b6e3
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SHA256
f497600b793c965a69df6cbc73af3df664b635fd098e463fab3d9badf0dccea4
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SHA512
b97bd61b89eafacf4e652a8f0ab9b284018d18911f4a5604a4e1ff3d16cbb4d1345265ee226d0dd26d1690fe4e3056ed682c659207b7a60ccd1a0e9ec73abc1c
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SSDEEP
49152:wNxtFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFg:WO
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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
2Disable or Modify System Firewall
1Disable or Modify Tools
1Modify Registry
2