Analysis
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max time kernel
150s -
max time network
121s -
platform
windows7_x64 -
resource
win7-20220812-en -
resource tags
arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system -
submitted
08-12-2022 02:41
Static task
static1
Behavioral task
behavioral1
Sample
b383c6c6c1755994e049ba277cf75bc0.exe
Resource
win7-20220812-en
General
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Target
b383c6c6c1755994e049ba277cf75bc0.exe
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Size
300KB
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MD5
b383c6c6c1755994e049ba277cf75bc0
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SHA1
37b896c4c6aeb6ea834b2ed34ad834cab6bbd7d6
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SHA256
bfef5eb79a8b5694698623d9263cda2000bf1e205246d6030ad06bf20e7a8d51
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SHA512
702e5f3edd0f5ab03556fa1624c721c0cbd784fca460ec3ea77993ff3f447b9ba71c74ebfb8dcc03e7e05bec5704f201e06722e5359ed07ae11338de2100941d
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SSDEEP
6144:K77777777777777777DO+ZtU7eUqgOt9V5lZYMzdRbdD4eW1sZAc/PyAVcXVxc:svU7C5lZYMzdfD9VByAVcnc
Malware Config
Signatures
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Modifies firewall policy service 2 TTPs 4 IoCs
Processes:
explorer.exedescription ioc process 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 Key created \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile explorer.exe -
Sets file execution options in registry 2 TTPs 4 IoCs
Processes:
b383c6c6c1755994e049ba277cf75bc0.exeexplorer.exedescription ioc process Key created \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\9q751cus.exe b383c6c6c1755994e049ba277cf75bc0.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\9q751cus.exe\DisableExceptionChainValidation b383c6c6c1755994e049ba277cf75bc0.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 = "bza.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 4 IoCs
Processes:
explorer.exedescription ioc process Key created \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\RunOnce explorer.exe Set value (str) \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\RunOnce\WinLoaderModule = "C:\\ProgramData\\WinLoaderModule\\9q751cus.exe" explorer.exe Key created \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run explorer.exe Set value (str) \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\WinLoaderModule = "\"C:\\ProgramData\\WinLoaderModule\\9q751cus.exe\"" explorer.exe -
Processes:
b383c6c6c1755994e049ba277cf75bc0.exedescription ioc process Key value queried \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA b383c6c6c1755994e049ba277cf75bc0.exe -
Suspicious use of NtSetInformationThreadHideFromDebugger 9 IoCs
Processes:
b383c6c6c1755994e049ba277cf75bc0.exeexplorer.exepid process 1800 b383c6c6c1755994e049ba277cf75bc0.exe 856 explorer.exe 856 explorer.exe 856 explorer.exe 856 explorer.exe 856 explorer.exe 856 explorer.exe 856 explorer.exe 856 explorer.exe -
Checks processor information in registry 2 TTPs 4 IoCs
Processor information is often read in order to detect sandboxing environments.
Processes:
b383c6c6c1755994e049ba277cf75bc0.exeexplorer.exedescription ioc process Key opened \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0 b383c6c6c1755994e049ba277cf75bc0.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString b383c6c6c1755994e049ba277cf75bc0.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 value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemManufacturer explorer.exe Key opened \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS explorer.exe -
Modifies Internet Explorer Protected Mode 1 TTPs 4 IoCs
Processes:
explorer.exedescription ioc process Set value (int) \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Zones\1\2500 = "3" explorer.exe Set value (int) \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Zones\2\2500 = "3" explorer.exe Set value (int) \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Zones\3\2500 = "3" explorer.exe Set value (int) \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Zones\4\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-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Internet Explorer\Main\NoProtectedModeBanner = "1" explorer.exe -
Processes:
explorer.exedescription ioc process Key created \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Internet Explorer\Main explorer.exe -
Suspicious behavior: EnumeratesProcesses 11 IoCs
Processes:
explorer.exepid process 856 explorer.exe 856 explorer.exe 856 explorer.exe 856 explorer.exe 856 explorer.exe 856 explorer.exe 856 explorer.exe 856 explorer.exe 856 explorer.exe 856 explorer.exe 856 explorer.exe -
Suspicious behavior: MapViewOfSection 5 IoCs
Processes:
b383c6c6c1755994e049ba277cf75bc0.exeexplorer.exepid process 1800 b383c6c6c1755994e049ba277cf75bc0.exe 1800 b383c6c6c1755994e049ba277cf75bc0.exe 856 explorer.exe 856 explorer.exe 856 explorer.exe -
Suspicious behavior: RenamesItself 1 IoCs
Processes:
b383c6c6c1755994e049ba277cf75bc0.exepid process 1800 b383c6c6c1755994e049ba277cf75bc0.exe -
Suspicious use of AdjustPrivilegeToken 28 IoCs
Processes:
b383c6c6c1755994e049ba277cf75bc0.exeexplorer.exedescription pid process Token: SeDebugPrivilege 1800 b383c6c6c1755994e049ba277cf75bc0.exe Token: SeRestorePrivilege 1800 b383c6c6c1755994e049ba277cf75bc0.exe Token: SeBackupPrivilege 1800 b383c6c6c1755994e049ba277cf75bc0.exe Token: SeLoadDriverPrivilege 1800 b383c6c6c1755994e049ba277cf75bc0.exe Token: SeCreatePagefilePrivilege 1800 b383c6c6c1755994e049ba277cf75bc0.exe Token: SeShutdownPrivilege 1800 b383c6c6c1755994e049ba277cf75bc0.exe Token: SeTakeOwnershipPrivilege 1800 b383c6c6c1755994e049ba277cf75bc0.exe Token: SeChangeNotifyPrivilege 1800 b383c6c6c1755994e049ba277cf75bc0.exe Token: SeCreateTokenPrivilege 1800 b383c6c6c1755994e049ba277cf75bc0.exe Token: SeMachineAccountPrivilege 1800 b383c6c6c1755994e049ba277cf75bc0.exe Token: SeSecurityPrivilege 1800 b383c6c6c1755994e049ba277cf75bc0.exe Token: SeAssignPrimaryTokenPrivilege 1800 b383c6c6c1755994e049ba277cf75bc0.exe Token: SeCreateGlobalPrivilege 1800 b383c6c6c1755994e049ba277cf75bc0.exe Token: 33 1800 b383c6c6c1755994e049ba277cf75bc0.exe Token: SeDebugPrivilege 856 explorer.exe Token: SeRestorePrivilege 856 explorer.exe Token: SeBackupPrivilege 856 explorer.exe Token: SeLoadDriverPrivilege 856 explorer.exe Token: SeCreatePagefilePrivilege 856 explorer.exe Token: SeShutdownPrivilege 856 explorer.exe Token: SeTakeOwnershipPrivilege 856 explorer.exe Token: SeChangeNotifyPrivilege 856 explorer.exe Token: SeCreateTokenPrivilege 856 explorer.exe Token: SeMachineAccountPrivilege 856 explorer.exe Token: SeSecurityPrivilege 856 explorer.exe Token: SeAssignPrimaryTokenPrivilege 856 explorer.exe Token: SeCreateGlobalPrivilege 856 explorer.exe Token: 33 856 explorer.exe -
Suspicious use of SetWindowsHookEx 1 IoCs
Processes:
b383c6c6c1755994e049ba277cf75bc0.exepid process 1184 b383c6c6c1755994e049ba277cf75bc0.exe -
Suspicious use of WriteProcessMemory 42 IoCs
Processes:
b383c6c6c1755994e049ba277cf75bc0.exeb383c6c6c1755994e049ba277cf75bc0.exeexplorer.exedescription pid process target process PID 1184 wrote to memory of 1800 1184 b383c6c6c1755994e049ba277cf75bc0.exe b383c6c6c1755994e049ba277cf75bc0.exe PID 1184 wrote to memory of 1800 1184 b383c6c6c1755994e049ba277cf75bc0.exe b383c6c6c1755994e049ba277cf75bc0.exe PID 1184 wrote to memory of 1800 1184 b383c6c6c1755994e049ba277cf75bc0.exe b383c6c6c1755994e049ba277cf75bc0.exe PID 1184 wrote to memory of 1800 1184 b383c6c6c1755994e049ba277cf75bc0.exe b383c6c6c1755994e049ba277cf75bc0.exe PID 1184 wrote to memory of 1800 1184 b383c6c6c1755994e049ba277cf75bc0.exe b383c6c6c1755994e049ba277cf75bc0.exe PID 1184 wrote to memory of 1800 1184 b383c6c6c1755994e049ba277cf75bc0.exe b383c6c6c1755994e049ba277cf75bc0.exe PID 1184 wrote to memory of 1800 1184 b383c6c6c1755994e049ba277cf75bc0.exe b383c6c6c1755994e049ba277cf75bc0.exe PID 1184 wrote to memory of 1800 1184 b383c6c6c1755994e049ba277cf75bc0.exe b383c6c6c1755994e049ba277cf75bc0.exe PID 1184 wrote to memory of 1800 1184 b383c6c6c1755994e049ba277cf75bc0.exe b383c6c6c1755994e049ba277cf75bc0.exe PID 1184 wrote to memory of 1800 1184 b383c6c6c1755994e049ba277cf75bc0.exe b383c6c6c1755994e049ba277cf75bc0.exe PID 1184 wrote to memory of 1800 1184 b383c6c6c1755994e049ba277cf75bc0.exe b383c6c6c1755994e049ba277cf75bc0.exe PID 1184 wrote to memory of 1800 1184 b383c6c6c1755994e049ba277cf75bc0.exe b383c6c6c1755994e049ba277cf75bc0.exe PID 1184 wrote to memory of 1800 1184 b383c6c6c1755994e049ba277cf75bc0.exe b383c6c6c1755994e049ba277cf75bc0.exe PID 1184 wrote to memory of 1800 1184 b383c6c6c1755994e049ba277cf75bc0.exe b383c6c6c1755994e049ba277cf75bc0.exe PID 1184 wrote to memory of 1800 1184 b383c6c6c1755994e049ba277cf75bc0.exe b383c6c6c1755994e049ba277cf75bc0.exe PID 1184 wrote to memory of 1800 1184 b383c6c6c1755994e049ba277cf75bc0.exe b383c6c6c1755994e049ba277cf75bc0.exe PID 1184 wrote to memory of 1800 1184 b383c6c6c1755994e049ba277cf75bc0.exe b383c6c6c1755994e049ba277cf75bc0.exe PID 1800 wrote to memory of 856 1800 b383c6c6c1755994e049ba277cf75bc0.exe explorer.exe PID 1800 wrote to memory of 856 1800 b383c6c6c1755994e049ba277cf75bc0.exe explorer.exe PID 1800 wrote to memory of 856 1800 b383c6c6c1755994e049ba277cf75bc0.exe explorer.exe PID 1800 wrote to memory of 856 1800 b383c6c6c1755994e049ba277cf75bc0.exe explorer.exe PID 1800 wrote to memory of 856 1800 b383c6c6c1755994e049ba277cf75bc0.exe explorer.exe PID 1800 wrote to memory of 856 1800 b383c6c6c1755994e049ba277cf75bc0.exe explorer.exe PID 1800 wrote to memory of 856 1800 b383c6c6c1755994e049ba277cf75bc0.exe explorer.exe PID 856 wrote to memory of 1340 856 explorer.exe Dwm.exe PID 856 wrote to memory of 1340 856 explorer.exe Dwm.exe PID 856 wrote to memory of 1340 856 explorer.exe Dwm.exe PID 856 wrote to memory of 1340 856 explorer.exe Dwm.exe PID 856 wrote to memory of 1340 856 explorer.exe Dwm.exe PID 856 wrote to memory of 1340 856 explorer.exe Dwm.exe PID 856 wrote to memory of 1412 856 explorer.exe Explorer.EXE PID 856 wrote to memory of 1412 856 explorer.exe Explorer.EXE PID 856 wrote to memory of 1412 856 explorer.exe Explorer.EXE PID 856 wrote to memory of 1412 856 explorer.exe Explorer.EXE PID 856 wrote to memory of 1412 856 explorer.exe Explorer.EXE PID 856 wrote to memory of 1412 856 explorer.exe Explorer.EXE PID 856 wrote to memory of 592 856 explorer.exe DllHost.exe PID 856 wrote to memory of 592 856 explorer.exe DllHost.exe PID 856 wrote to memory of 592 856 explorer.exe DllHost.exe PID 856 wrote to memory of 592 856 explorer.exe DllHost.exe PID 856 wrote to memory of 592 856 explorer.exe DllHost.exe PID 856 wrote to memory of 592 856 explorer.exe DllHost.exe
Processes
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C:\Windows\Explorer.EXEC:\Windows\Explorer.EXE1⤵
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C:\Users\Admin\AppData\Local\Temp\b383c6c6c1755994e049ba277cf75bc0.exe"C:\Users\Admin\AppData\Local\Temp\b383c6c6c1755994e049ba277cf75bc0.exe"2⤵
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\b383c6c6c1755994e049ba277cf75bc0.exe"C:\Users\Admin\AppData\Local\Temp\b383c6c6c1755994e049ba277cf75bc0.exe"3⤵
- 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
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C:\Windows\SysWOW64\explorer.exeC:\Windows\SysWOW64\explorer.exe4⤵
- 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
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C:\Windows\system32\Dwm.exe"C:\Windows\system32\Dwm.exe"1⤵
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C:\Windows\system32\DllHost.exeC:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}1⤵
Network
MITRE ATT&CK Matrix ATT&CK v6
Replay Monitor
Loading Replay Monitor...
Downloads
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memory/856-75-0x0000000000200000-0x00000000002B2000-memory.dmpFilesize
712KB
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memory/856-74-0x0000000074671000-0x0000000074673000-memory.dmpFilesize
8KB
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memory/856-69-0x0000000000000000-mapping.dmp
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memory/856-71-0x0000000077130000-0x00000000772B0000-memory.dmpFilesize
1.5MB
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memory/856-79-0x0000000000200000-0x00000000002B2000-memory.dmpFilesize
712KB
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memory/856-78-0x0000000077130000-0x00000000772B0000-memory.dmpFilesize
1.5MB
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memory/856-77-0x0000000000730000-0x000000000073C000-memory.dmpFilesize
48KB
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memory/856-76-0x00000000001A0000-0x00000000001AD000-memory.dmpFilesize
52KB
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memory/1184-56-0x0000000074BB1000-0x0000000074BB3000-memory.dmpFilesize
8KB
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memory/1184-58-0x00000000003D0000-0x00000000003D6000-memory.dmpFilesize
24KB
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memory/1412-80-0x00000000025A0000-0x00000000025A6000-memory.dmpFilesize
24KB
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memory/1800-64-0x00000000001E0000-0x0000000000243000-memory.dmpFilesize
396KB
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memory/1800-59-0x0000000000400000-0x0000000000434000-memory.dmpFilesize
208KB
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memory/1800-73-0x00000000001E0000-0x0000000000243000-memory.dmpFilesize
396KB
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memory/1800-60-0x0000000000400000-0x0000000000434000-memory.dmpFilesize
208KB
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memory/1800-68-0x0000000000550000-0x000000000055C000-memory.dmpFilesize
48KB
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memory/1800-67-0x00000000002A0000-0x00000000002AD000-memory.dmpFilesize
52KB
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memory/1800-66-0x00000000001E0000-0x0000000000243000-memory.dmpFilesize
396KB
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memory/1800-57-0x0000000000000000-mapping.dmp
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memory/1800-62-0x0000000000400000-0x0000000000434000-memory.dmpFilesize
208KB
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memory/1800-72-0x0000000000400000-0x0000000000434000-memory.dmpFilesize
208KB