General
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Target
4b2eae5f660d21810fb7d69e18c361751faa4bc3518d6803c64984cdd6cac5a8.exe
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Size
333KB
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Sample
241124-e91cza1jbp
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MD5
76a120236d4a3c44182016bd9a05417c
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SHA1
c548777e9a3fb26597525edee630c79231357a5b
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SHA256
4b2eae5f660d21810fb7d69e18c361751faa4bc3518d6803c64984cdd6cac5a8
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SHA512
e773fa8ed3eeb3aae4ce818553f5f06a9f3c8f7e7b89135c10743bffb989b16862d0e29d855194203aef3a1fe19420308bddad92922b3b1bd1a6357e09ffe246
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SSDEEP
6144:xOYmVlRyNQpj0ViCx2xKxc9Sh/KXl/wLWlWC8RzZap6j:xW7Rw2j0VmKqgJKXlwGeVZL
Static task
static1
Behavioral task
behavioral1
Sample
4b2eae5f660d21810fb7d69e18c361751faa4bc3518d6803c64984cdd6cac5a8.exe
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
4b2eae5f660d21810fb7d69e18c361751faa4bc3518d6803c64984cdd6cac5a8.exe
Resource
win10v2004-20241007-en
Malware Config
Extracted
tofsee
quadoil.ru
lakeflex.ru
Targets
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Target
4b2eae5f660d21810fb7d69e18c361751faa4bc3518d6803c64984cdd6cac5a8.exe
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Size
333KB
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MD5
76a120236d4a3c44182016bd9a05417c
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SHA1
c548777e9a3fb26597525edee630c79231357a5b
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SHA256
4b2eae5f660d21810fb7d69e18c361751faa4bc3518d6803c64984cdd6cac5a8
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SHA512
e773fa8ed3eeb3aae4ce818553f5f06a9f3c8f7e7b89135c10743bffb989b16862d0e29d855194203aef3a1fe19420308bddad92922b3b1bd1a6357e09ffe246
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SSDEEP
6144:xOYmVlRyNQpj0ViCx2xKxc9Sh/KXl/wLWlWC8RzZap6j:xW7Rw2j0VmKqgJKXlwGeVZL
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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