Analysis
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max time kernel
155s -
max time network
191s -
platform
windows7_x64 -
resource
win7-20220414-en -
resource tags
arch:x64arch:x86image:win7-20220414-enlocale:en-usos:windows7-x64system -
submitted
17-07-2022 14:00
Static task
static1
Behavioral task
behavioral1
Sample
51f19013cf95f58f57591eb358694cf8550acfcb018744f5f2bdabb4acffe2ae.exe
Resource
win7-20220414-en
Behavioral task
behavioral2
Sample
51f19013cf95f58f57591eb358694cf8550acfcb018744f5f2bdabb4acffe2ae.exe
Resource
win10v2004-20220414-en
General
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Target
51f19013cf95f58f57591eb358694cf8550acfcb018744f5f2bdabb4acffe2ae.exe
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Size
504KB
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MD5
55c0a6b340180d04d42967f9620756e7
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SHA1
a6da9a2f7b6f314555050d86f8fdd76fee339fba
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SHA256
51f19013cf95f58f57591eb358694cf8550acfcb018744f5f2bdabb4acffe2ae
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SHA512
2657cb2636ca219d9478935adbe18b22d2a2e9c77d4ca8350a519a9088326b219e8cce441d59988fbb24524a19a33a818795de117e2ba3a0998d3400407ba49d
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\StandardProfile explorer.exe Set value (int) \REGISTRY\MACHINE\SYSTEM\ControlSet001\services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\EnableFirewall = "0" explorer.exe 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 -
Sets file execution options in registry 2 TTPs 4 IoCs
Processes:
explorer.exe51f19013cf95f58f57591eb358694cf8550acfcb018744f5f2bdabb4acffe2ae.exedescription ioc process 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 = "toypugtsxm.exe" explorer.exe Key created \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\mou5m179.exe 51f19013cf95f58f57591eb358694cf8550acfcb018744f5f2bdabb4acffe2ae.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\mou5m179.exe\DisableExceptionChainValidation 51f19013cf95f58f57591eb358694cf8550acfcb018744f5f2bdabb4acffe2ae.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 4 IoCs
Processes:
explorer.exedescription ioc process Key created \REGISTRY\USER\S-1-5-21-2277218442-1199762539-2004043321-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\RunOnce explorer.exe Set value (str) \REGISTRY\USER\S-1-5-21-2277218442-1199762539-2004043321-1000\Software\Microsoft\Windows\CurrentVersion\RunOnce\Windows Font Preloader Service = "C:\\ProgramData\\Windows Font Preloader Service\\mou5m179.exe" explorer.exe Key created \REGISTRY\USER\S-1-5-21-2277218442-1199762539-2004043321-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run explorer.exe Set value (str) \REGISTRY\USER\S-1-5-21-2277218442-1199762539-2004043321-1000\Software\Microsoft\Windows\CurrentVersion\Run\Windows Font Preloader Service = "\"C:\\ProgramData\\Windows Font Preloader Service\\mou5m179.exe\"" explorer.exe -
Processes:
51f19013cf95f58f57591eb358694cf8550acfcb018744f5f2bdabb4acffe2ae.exedescription ioc process Key value queried \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA 51f19013cf95f58f57591eb358694cf8550acfcb018744f5f2bdabb4acffe2ae.exe -
Suspicious use of NtSetInformationThreadHideFromDebugger 9 IoCs
Processes:
51f19013cf95f58f57591eb358694cf8550acfcb018744f5f2bdabb4acffe2ae.exeexplorer.exepid process 1364 51f19013cf95f58f57591eb358694cf8550acfcb018744f5f2bdabb4acffe2ae.exe 1720 explorer.exe 1720 explorer.exe 1720 explorer.exe 1720 explorer.exe 1720 explorer.exe 1720 explorer.exe 1720 explorer.exe 1720 explorer.exe -
Checks processor information in registry 2 TTPs 4 IoCs
Processor information is often read in order to detect sandboxing environments.
Processes:
51f19013cf95f58f57591eb358694cf8550acfcb018744f5f2bdabb4acffe2ae.exeexplorer.exedescription ioc process Key opened \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0 51f19013cf95f58f57591eb358694cf8550acfcb018744f5f2bdabb4acffe2ae.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString 51f19013cf95f58f57591eb358694cf8550acfcb018744f5f2bdabb4acffe2ae.exe Key opened \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0 explorer.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString 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-1-5-21-2277218442-1199762539-2004043321-1000\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Zones\2\2500 = "3" explorer.exe Set value (int) \REGISTRY\USER\S-1-5-21-2277218442-1199762539-2004043321-1000\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Zones\3\2500 = "3" explorer.exe Set value (int) \REGISTRY\USER\S-1-5-21-2277218442-1199762539-2004043321-1000\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Zones\4\2500 = "3" explorer.exe Set value (int) \REGISTRY\USER\S-1-5-21-2277218442-1199762539-2004043321-1000\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Zones\1\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-1-5-21-2277218442-1199762539-2004043321-1000\Software\Microsoft\Internet Explorer\Main\NoProtectedModeBanner = "1" explorer.exe -
Processes:
explorer.exedescription ioc process Key created \REGISTRY\USER\S-1-5-21-2277218442-1199762539-2004043321-1000\Software\Microsoft\Internet Explorer\Main explorer.exe -
Suspicious behavior: EnumeratesProcesses 9 IoCs
Processes:
explorer.exepid process 1720 explorer.exe 1720 explorer.exe 1720 explorer.exe 1720 explorer.exe 1720 explorer.exe 1720 explorer.exe 1720 explorer.exe 1720 explorer.exe 1720 explorer.exe -
Suspicious behavior: MapViewOfSection 4 IoCs
Processes:
51f19013cf95f58f57591eb358694cf8550acfcb018744f5f2bdabb4acffe2ae.exeexplorer.exepid process 1364 51f19013cf95f58f57591eb358694cf8550acfcb018744f5f2bdabb4acffe2ae.exe 1364 51f19013cf95f58f57591eb358694cf8550acfcb018744f5f2bdabb4acffe2ae.exe 1720 explorer.exe 1720 explorer.exe -
Suspicious behavior: RenamesItself 1 IoCs
Processes:
51f19013cf95f58f57591eb358694cf8550acfcb018744f5f2bdabb4acffe2ae.exepid process 1364 51f19013cf95f58f57591eb358694cf8550acfcb018744f5f2bdabb4acffe2ae.exe -
Suspicious use of AdjustPrivilegeToken 28 IoCs
Processes:
51f19013cf95f58f57591eb358694cf8550acfcb018744f5f2bdabb4acffe2ae.exeexplorer.exedescription pid process Token: SeDebugPrivilege 1364 51f19013cf95f58f57591eb358694cf8550acfcb018744f5f2bdabb4acffe2ae.exe Token: SeRestorePrivilege 1364 51f19013cf95f58f57591eb358694cf8550acfcb018744f5f2bdabb4acffe2ae.exe Token: SeBackupPrivilege 1364 51f19013cf95f58f57591eb358694cf8550acfcb018744f5f2bdabb4acffe2ae.exe Token: SeLoadDriverPrivilege 1364 51f19013cf95f58f57591eb358694cf8550acfcb018744f5f2bdabb4acffe2ae.exe Token: SeCreatePagefilePrivilege 1364 51f19013cf95f58f57591eb358694cf8550acfcb018744f5f2bdabb4acffe2ae.exe Token: SeShutdownPrivilege 1364 51f19013cf95f58f57591eb358694cf8550acfcb018744f5f2bdabb4acffe2ae.exe Token: SeTakeOwnershipPrivilege 1364 51f19013cf95f58f57591eb358694cf8550acfcb018744f5f2bdabb4acffe2ae.exe Token: SeChangeNotifyPrivilege 1364 51f19013cf95f58f57591eb358694cf8550acfcb018744f5f2bdabb4acffe2ae.exe Token: SeCreateTokenPrivilege 1364 51f19013cf95f58f57591eb358694cf8550acfcb018744f5f2bdabb4acffe2ae.exe Token: SeMachineAccountPrivilege 1364 51f19013cf95f58f57591eb358694cf8550acfcb018744f5f2bdabb4acffe2ae.exe Token: SeSecurityPrivilege 1364 51f19013cf95f58f57591eb358694cf8550acfcb018744f5f2bdabb4acffe2ae.exe Token: SeAssignPrimaryTokenPrivilege 1364 51f19013cf95f58f57591eb358694cf8550acfcb018744f5f2bdabb4acffe2ae.exe Token: SeCreateGlobalPrivilege 1364 51f19013cf95f58f57591eb358694cf8550acfcb018744f5f2bdabb4acffe2ae.exe Token: 33 1364 51f19013cf95f58f57591eb358694cf8550acfcb018744f5f2bdabb4acffe2ae.exe Token: SeDebugPrivilege 1720 explorer.exe Token: SeRestorePrivilege 1720 explorer.exe Token: SeBackupPrivilege 1720 explorer.exe Token: SeLoadDriverPrivilege 1720 explorer.exe Token: SeCreatePagefilePrivilege 1720 explorer.exe Token: SeShutdownPrivilege 1720 explorer.exe Token: SeTakeOwnershipPrivilege 1720 explorer.exe Token: SeChangeNotifyPrivilege 1720 explorer.exe Token: SeCreateTokenPrivilege 1720 explorer.exe Token: SeMachineAccountPrivilege 1720 explorer.exe Token: SeSecurityPrivilege 1720 explorer.exe Token: SeAssignPrimaryTokenPrivilege 1720 explorer.exe Token: SeCreateGlobalPrivilege 1720 explorer.exe Token: 33 1720 explorer.exe -
Suspicious use of WriteProcessMemory 19 IoCs
Processes:
51f19013cf95f58f57591eb358694cf8550acfcb018744f5f2bdabb4acffe2ae.exeexplorer.exedescription pid process target process PID 1364 wrote to memory of 1720 1364 51f19013cf95f58f57591eb358694cf8550acfcb018744f5f2bdabb4acffe2ae.exe explorer.exe PID 1364 wrote to memory of 1720 1364 51f19013cf95f58f57591eb358694cf8550acfcb018744f5f2bdabb4acffe2ae.exe explorer.exe PID 1364 wrote to memory of 1720 1364 51f19013cf95f58f57591eb358694cf8550acfcb018744f5f2bdabb4acffe2ae.exe explorer.exe PID 1364 wrote to memory of 1720 1364 51f19013cf95f58f57591eb358694cf8550acfcb018744f5f2bdabb4acffe2ae.exe explorer.exe PID 1364 wrote to memory of 1720 1364 51f19013cf95f58f57591eb358694cf8550acfcb018744f5f2bdabb4acffe2ae.exe explorer.exe PID 1364 wrote to memory of 1720 1364 51f19013cf95f58f57591eb358694cf8550acfcb018744f5f2bdabb4acffe2ae.exe explorer.exe PID 1364 wrote to memory of 1720 1364 51f19013cf95f58f57591eb358694cf8550acfcb018744f5f2bdabb4acffe2ae.exe explorer.exe PID 1720 wrote to memory of 1172 1720 explorer.exe Dwm.exe PID 1720 wrote to memory of 1172 1720 explorer.exe Dwm.exe PID 1720 wrote to memory of 1172 1720 explorer.exe Dwm.exe PID 1720 wrote to memory of 1172 1720 explorer.exe Dwm.exe PID 1720 wrote to memory of 1172 1720 explorer.exe Dwm.exe PID 1720 wrote to memory of 1172 1720 explorer.exe Dwm.exe PID 1720 wrote to memory of 1204 1720 explorer.exe Explorer.EXE PID 1720 wrote to memory of 1204 1720 explorer.exe Explorer.EXE PID 1720 wrote to memory of 1204 1720 explorer.exe Explorer.EXE PID 1720 wrote to memory of 1204 1720 explorer.exe Explorer.EXE PID 1720 wrote to memory of 1204 1720 explorer.exe Explorer.EXE PID 1720 wrote to memory of 1204 1720 explorer.exe Explorer.EXE
Processes
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C:\Windows\Explorer.EXEC:\Windows\Explorer.EXE1⤵PID:1204
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C:\Users\Admin\AppData\Local\Temp\51f19013cf95f58f57591eb358694cf8550acfcb018744f5f2bdabb4acffe2ae.exe"C:\Users\Admin\AppData\Local\Temp\51f19013cf95f58f57591eb358694cf8550acfcb018744f5f2bdabb4acffe2ae.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:1364 -
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 behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1720
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C:\Windows\system32\Dwm.exe"C:\Windows\system32\Dwm.exe"1⤵PID:1172