General
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Target
ac3366999fcb9a093c9aa8694c6c9c915c3539478efd08655893d26b1d61a86e.exe
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Size
291KB
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Sample
241124-ysbstsxjat
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MD5
1a6ce36ee783de5148f2c0817ac6dabe
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SHA1
fa957807a9fe6a0de8f959b3c67a3365eac569a7
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SHA256
ac3366999fcb9a093c9aa8694c6c9c915c3539478efd08655893d26b1d61a86e
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SHA512
6fd759a69ce43798a3b43efe578f36923f1e67a8f8969d6f593fd29d442c76d72632a6b8679b679deb6e3f62aa0577eeb13e3938182918adbf247ce2c2822305
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SSDEEP
6144:HbDiEbQtM055szCZb55JgXrSXuZet0yob7PANco+hOgw:UM450a55G7SXuZet0yob7Ro+Fw
Static task
static1
Behavioral task
behavioral1
Sample
ac3366999fcb9a093c9aa8694c6c9c915c3539478efd08655893d26b1d61a86e.exe
Resource
win7-20241010-en
Behavioral task
behavioral2
Sample
ac3366999fcb9a093c9aa8694c6c9c915c3539478efd08655893d26b1d61a86e.exe
Resource
win10v2004-20241007-en
Malware Config
Extracted
tofsee
quadoil.ru
lakeflex.ru
Targets
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Target
ac3366999fcb9a093c9aa8694c6c9c915c3539478efd08655893d26b1d61a86e.exe
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Size
291KB
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MD5
1a6ce36ee783de5148f2c0817ac6dabe
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SHA1
fa957807a9fe6a0de8f959b3c67a3365eac569a7
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SHA256
ac3366999fcb9a093c9aa8694c6c9c915c3539478efd08655893d26b1d61a86e
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SHA512
6fd759a69ce43798a3b43efe578f36923f1e67a8f8969d6f593fd29d442c76d72632a6b8679b679deb6e3f62aa0577eeb13e3938182918adbf247ce2c2822305
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SSDEEP
6144:HbDiEbQtM055szCZb55JgXrSXuZet0yob7PANco+hOgw:UM450a55G7SXuZet0yob7Ro+Fw
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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