Analysis
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max time kernel
31s -
platform
windows11-21h2_x64 -
resource
win11-20240412-en -
resource tags
arch:x64arch:x86image:win11-20240412-enlocale:en-usos:windows11-21h2-x64system -
submitted
12-04-2024 20:52
Static task
static1
General
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Target
oof.exe
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Size
662KB
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MD5
0760d43d4adebe20fa0b5e5a7bca1714
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SHA1
a0a9dae5e9be39bca31021dd9cf565fcdefb8474
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SHA256
8f9067f2bd4a374539a40fddb8915600c9fd6ba3e5db20cbddcb3c5f22d9da44
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SHA512
7e60c2726711bb8e822375f93cfb9ced7d172f3f0ae07041cbeea8c4cdb45488d1de90ee77dfef52aa86722a5dcbe521d1affeace3aec8811e851f693d74ef77
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SSDEEP
12288:9TEUsvsVEcwaFNaxr7IwFnm1p7BmC10sHo0AhHL:9oBvRcxuxrksqRNI0i
Malware Config
Signatures
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Modifies firewall policy service 2 TTPs 4 IoCs
Processes:
explorer.exedescription ioc process Key created \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\PublicProfile explorer.exe Set value (int) \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\PublicProfile\EnableFirewall = "0" explorer.exe Key created \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile explorer.exe Set value (int) \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\EnableFirewall = "0" explorer.exe -
Sets file execution options in registry 2 TTPs 4 IoCs
Processes:
oof.exeexplorer.exedescription ioc process Key created \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\u1u97553911.exe oof.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\u1u97553911.exe\DisableExceptionChainValidation oof.exe Key created \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\rstrui.exe explorer.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\rstrui.exe\Debugger = "prf.exe" explorer.exe -
Checks BIOS information in registry 2 TTPs 1 IoCs
BIOS information is often read in order to detect sandboxing environments.
Processes:
explorer.exedescription ioc process Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion explorer.exe -
Adds Run key to start application 2 TTPs 2 IoCs
Processes:
explorer.exedescription ioc process Set value (str) \REGISTRY\USER\S-1-5-21-801765966-3955847401-2235691403-1000\Software\Microsoft\Windows\CurrentVersion\RunOnce\Google Updater 2.0 = "C:\\ProgramData\\Google Updater 2.0\\u1u97553911.exe" explorer.exe Set value (str) \REGISTRY\USER\S-1-5-21-801765966-3955847401-2235691403-1000\Software\Microsoft\Windows\CurrentVersion\Run\Google Updater 2.0 = "\"C:\\ProgramData\\Google Updater 2.0\\u1u97553911.exe\"" explorer.exe -
Processes:
oof.exedescription ioc process Key value queried \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA oof.exe -
Suspicious use of NtSetInformationThreadHideFromDebugger 8 IoCs
Processes:
oof.exeexplorer.exepid process 2104 oof.exe 3148 explorer.exe 3148 explorer.exe 3148 explorer.exe 3148 explorer.exe 3148 explorer.exe 3148 explorer.exe 3148 explorer.exe -
Suspicious use of SetThreadContext 1 IoCs
Processes:
oof.exedescription pid process target process PID 3340 set thread context of 2104 3340 oof.exe oof.exe -
Program crash 1 IoCs
Processes:
WerFault.exepid pid_target process target process 2188 3148 WerFault.exe explorer.exe -
Checks SCSI registry key(s) 3 TTPs 3 IoCs
SCSI information is often read in order to detect sandboxing environments.
Processes:
taskmgr.exedescription ioc process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\Disk&Ven_DADY&Prod_HARDDISK\4&215468a5&0&000000 taskmgr.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\Disk&Ven_DADY&Prod_HARDDISK\4&215468a5&0&000000\Properties\{b725f130-47ef-101a-a5f1-02608c9eebac}\000A taskmgr.exe Key value queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\Disk&Ven_DADY&Prod_HARDDISK\4&215468a5&0&000000\FriendlyName taskmgr.exe -
Checks processor information in registry 2 TTPs 4 IoCs
Processor information is often read in order to detect sandboxing environments.
Processes:
explorer.exeoof.exedescription ioc process Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString explorer.exe Key opened \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0 oof.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString oof.exe Key opened \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0 explorer.exe -
Enumerates system info in registry 2 TTPs 2 IoCs
Processes:
explorer.exedescription ioc process Key opened \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS explorer.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemManufacturer explorer.exe -
Modifies Internet Explorer Protected Mode 1 TTPs 4 IoCs
Processes:
explorer.exedescription ioc process Set value (int) \REGISTRY\USER\S-1-5-21-801765966-3955847401-2235691403-1000\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Zones\4\2500 = "3" explorer.exe Set value (int) \REGISTRY\USER\S-1-5-21-801765966-3955847401-2235691403-1000\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Zones\1\2500 = "3" explorer.exe Set value (int) \REGISTRY\USER\S-1-5-21-801765966-3955847401-2235691403-1000\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Zones\2\2500 = "3" explorer.exe Set value (int) \REGISTRY\USER\S-1-5-21-801765966-3955847401-2235691403-1000\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Zones\3\2500 = "3" explorer.exe -
Modifies Internet Explorer Protected Mode Banner 1 TTPs 1 IoCs
Processes:
explorer.exedescription ioc process Set value (int) \REGISTRY\USER\S-1-5-21-801765966-3955847401-2235691403-1000\Software\Microsoft\Internet Explorer\Main\NoProtectedModeBanner = "1" explorer.exe -
Processes:
explorer.exedescription ioc process Key created \REGISTRY\USER\S-1-5-21-801765966-3955847401-2235691403-1000\Software\Microsoft\Internet Explorer\Main explorer.exe -
Suspicious behavior: EnumeratesProcesses 23 IoCs
Processes:
oof.exeexplorer.exetaskmgr.exepid process 3340 oof.exe 3340 oof.exe 3148 explorer.exe 3148 explorer.exe 3148 explorer.exe 3148 explorer.exe 1652 taskmgr.exe 1652 taskmgr.exe 1652 taskmgr.exe 1652 taskmgr.exe 1652 taskmgr.exe 1652 taskmgr.exe 1652 taskmgr.exe 1652 taskmgr.exe 1652 taskmgr.exe 1652 taskmgr.exe 1652 taskmgr.exe 1652 taskmgr.exe 1652 taskmgr.exe 1652 taskmgr.exe 1652 taskmgr.exe 1652 taskmgr.exe 1652 taskmgr.exe -
Suspicious behavior: MapViewOfSection 4 IoCs
Processes:
oof.exeoof.exepid process 3340 oof.exe 3340 oof.exe 2104 oof.exe 2104 oof.exe -
Suspicious behavior: RenamesItself 1 IoCs
Processes:
oof.exepid process 2104 oof.exe -
Suspicious use of AdjustPrivilegeToken 31 IoCs
Processes:
oof.exeexplorer.exetaskmgr.exedescription pid process Token: SeDebugPrivilege 2104 oof.exe Token: SeRestorePrivilege 2104 oof.exe Token: SeBackupPrivilege 2104 oof.exe Token: SeLoadDriverPrivilege 2104 oof.exe Token: SeCreatePagefilePrivilege 2104 oof.exe Token: SeShutdownPrivilege 2104 oof.exe Token: SeTakeOwnershipPrivilege 2104 oof.exe Token: SeChangeNotifyPrivilege 2104 oof.exe Token: SeCreateTokenPrivilege 2104 oof.exe Token: SeMachineAccountPrivilege 2104 oof.exe Token: SeSecurityPrivilege 2104 oof.exe Token: SeAssignPrimaryTokenPrivilege 2104 oof.exe Token: SeCreateGlobalPrivilege 2104 oof.exe Token: 33 2104 oof.exe Token: SeDebugPrivilege 3148 explorer.exe Token: SeRestorePrivilege 3148 explorer.exe Token: SeBackupPrivilege 3148 explorer.exe Token: SeLoadDriverPrivilege 3148 explorer.exe Token: SeCreatePagefilePrivilege 3148 explorer.exe Token: SeShutdownPrivilege 3148 explorer.exe Token: SeTakeOwnershipPrivilege 3148 explorer.exe Token: SeChangeNotifyPrivilege 3148 explorer.exe Token: SeCreateTokenPrivilege 3148 explorer.exe Token: SeMachineAccountPrivilege 3148 explorer.exe Token: SeSecurityPrivilege 3148 explorer.exe Token: SeAssignPrimaryTokenPrivilege 3148 explorer.exe Token: SeCreateGlobalPrivilege 3148 explorer.exe Token: 33 3148 explorer.exe Token: SeDebugPrivilege 1652 taskmgr.exe Token: SeSystemProfilePrivilege 1652 taskmgr.exe Token: SeCreateGlobalPrivilege 1652 taskmgr.exe -
Suspicious use of FindShellTrayWindow 28 IoCs
Processes:
taskmgr.exepid process 1652 taskmgr.exe 1652 taskmgr.exe 1652 taskmgr.exe 1652 taskmgr.exe 1652 taskmgr.exe 1652 taskmgr.exe 1652 taskmgr.exe 1652 taskmgr.exe 1652 taskmgr.exe 1652 taskmgr.exe 1652 taskmgr.exe 1652 taskmgr.exe 1652 taskmgr.exe 1652 taskmgr.exe 1652 taskmgr.exe 1652 taskmgr.exe 1652 taskmgr.exe 1652 taskmgr.exe 1652 taskmgr.exe 1652 taskmgr.exe 1652 taskmgr.exe 1652 taskmgr.exe 1652 taskmgr.exe 1652 taskmgr.exe 1652 taskmgr.exe 1652 taskmgr.exe 1652 taskmgr.exe 1652 taskmgr.exe -
Suspicious use of SendNotifyMessage 28 IoCs
Processes:
taskmgr.exepid process 1652 taskmgr.exe 1652 taskmgr.exe 1652 taskmgr.exe 1652 taskmgr.exe 1652 taskmgr.exe 1652 taskmgr.exe 1652 taskmgr.exe 1652 taskmgr.exe 1652 taskmgr.exe 1652 taskmgr.exe 1652 taskmgr.exe 1652 taskmgr.exe 1652 taskmgr.exe 1652 taskmgr.exe 1652 taskmgr.exe 1652 taskmgr.exe 1652 taskmgr.exe 1652 taskmgr.exe 1652 taskmgr.exe 1652 taskmgr.exe 1652 taskmgr.exe 1652 taskmgr.exe 1652 taskmgr.exe 1652 taskmgr.exe 1652 taskmgr.exe 1652 taskmgr.exe 1652 taskmgr.exe 1652 taskmgr.exe -
Suspicious use of WriteProcessMemory 6 IoCs
Processes:
oof.exeoof.exedescription pid process target process PID 3340 wrote to memory of 2104 3340 oof.exe oof.exe PID 3340 wrote to memory of 2104 3340 oof.exe oof.exe PID 3340 wrote to memory of 2104 3340 oof.exe oof.exe PID 2104 wrote to memory of 3148 2104 oof.exe explorer.exe PID 2104 wrote to memory of 3148 2104 oof.exe explorer.exe PID 2104 wrote to memory of 3148 2104 oof.exe explorer.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\oof.exe"C:\Users\Admin\AppData\Local\Temp\oof.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of WriteProcessMemory
PID:3340 -
C:\Users\Admin\AppData\Local\Temp\oof.exe"C:\Users\Admin\AppData\Local\Temp\oof.exe"2⤵
- Sets file execution options in registry
- Checks whether UAC is enabled
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Checks processor information in registry
- Suspicious behavior: MapViewOfSection
- Suspicious behavior: RenamesItself
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2104 -
C:\Windows\SysWOW64\explorer.exeC:\Windows\SysWOW64\explorer.exe3⤵
- Modifies firewall policy service
- Sets file execution options in registry
- Checks BIOS information in registry
- Adds Run key to start application
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Checks processor information in registry
- Enumerates system info in registry
- Modifies Internet Explorer Protected Mode
- Modifies Internet Explorer Protected Mode Banner
- Modifies Internet Explorer settings
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3148 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 3148 -s 11564⤵
- Program crash
PID:2188
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 412 -p 3148 -ip 31481⤵PID:3296
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C:\Windows\system32\taskmgr.exe"C:\Windows\system32\taskmgr.exe"1⤵
- Checks SCSI registry key(s)
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
PID:1652
Network
MITRE ATT&CK Enterprise v15
Persistence
Boot or Logon Autostart Execution
2Registry Run Keys / Startup Folder
2Create or Modify System Process
1Windows Service
1Privilege Escalation
Boot or Logon Autostart Execution
2Registry Run Keys / Startup Folder
2Create or Modify System Process
1Windows Service
1