General
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Target
26c90589e776e8813b1565f25e1be69d5dd6ec98dfa9dfcc5c4e9db0493f4f41.exe
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Size
12.5MB
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Sample
241123-vkmzcaykas
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MD5
f5053c329648e5c62b1ecdb93d8eaaef
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SHA1
9ffe4ab344356576b7d97f3067ec3cf03c9ab3f4
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SHA256
26c90589e776e8813b1565f25e1be69d5dd6ec98dfa9dfcc5c4e9db0493f4f41
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SHA512
e3a52d09f1133e380b649dda1d8a7998a4f111b735d5bff3b37028acfab829aaf4fbca5bb237d6c8ca63d3be8c2fadaa7e7a687e513dccbbf146af261cd351fc
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SSDEEP
49152:ZvUWkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkQ:Z5
Static task
static1
Behavioral task
behavioral1
Sample
26c90589e776e8813b1565f25e1be69d5dd6ec98dfa9dfcc5c4e9db0493f4f41.exe
Resource
win7-20241010-en
Behavioral task
behavioral2
Sample
26c90589e776e8813b1565f25e1be69d5dd6ec98dfa9dfcc5c4e9db0493f4f41.exe
Resource
win10v2004-20241007-en
Malware Config
Extracted
tofsee
quadoil.ru
lakeflex.ru
Targets
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Target
26c90589e776e8813b1565f25e1be69d5dd6ec98dfa9dfcc5c4e9db0493f4f41.exe
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Size
12.5MB
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MD5
f5053c329648e5c62b1ecdb93d8eaaef
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SHA1
9ffe4ab344356576b7d97f3067ec3cf03c9ab3f4
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SHA256
26c90589e776e8813b1565f25e1be69d5dd6ec98dfa9dfcc5c4e9db0493f4f41
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SHA512
e3a52d09f1133e380b649dda1d8a7998a4f111b735d5bff3b37028acfab829aaf4fbca5bb237d6c8ca63d3be8c2fadaa7e7a687e513dccbbf146af261cd351fc
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SSDEEP
49152:ZvUWkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkQ:Z5
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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