Analysis
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max time kernel
147s -
max time network
149s -
platform
windows7_x64 -
resource
win7-20220901-en -
resource tags
arch:x64arch:x86image:win7-20220901-enlocale:en-usos:windows7-x64system -
submitted
08-11-2022 09:48
Static task
static1
Behavioral task
behavioral1
Sample
a9af9e16e937b8a056294395d4626e8e4975ecf956a68515a501fe91b7d293f7.exe
Resource
win7-20220901-en
Behavioral task
behavioral2
Sample
a9af9e16e937b8a056294395d4626e8e4975ecf956a68515a501fe91b7d293f7.exe
Resource
win10v2004-20220901-en
General
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Target
a9af9e16e937b8a056294395d4626e8e4975ecf956a68515a501fe91b7d293f7.exe
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Size
669KB
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MD5
2a688e00ffb1b3ef3a01afbb0304e48d
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SHA1
c73f87770673a6cdb41e45aa9a3b20ac17189c0c
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SHA256
a9af9e16e937b8a056294395d4626e8e4975ecf956a68515a501fe91b7d293f7
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SHA512
b138e5d5de1231c7858a3012f82047a7cbc103e05fd3571061655d6b97a51d06dd18b88ec11bde38d5b7c60c3add0bc3333b86b1a97521995d177d5357c417f3
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SSDEEP
12288:jrpn5eBZSAD04BWlwrC7Fk2J8NL9jpddj9tPlvaGDUJeodX/3Eg:jV5e642h7WssLhpddBtPQKU/x/Ug
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:
a9af9e16e937b8a056294395d4626e8e4975ecf956a68515a501fe91b7d293f7.exeexplorer.exedescription ioc process Key created \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\uqq3m37u3.exe a9af9e16e937b8a056294395d4626e8e4975ecf956a68515a501fe91b7d293f7.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\uqq3m37u3.exe\DisableExceptionChainValidation a9af9e16e937b8a056294395d4626e8e4975ecf956a68515a501fe91b7d293f7.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 = "luell.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 Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\Windows Font Preloader Service = "\"C:\\ProgramData\\Windows Font Preloader Service\\uqq3m37u3.exe\"" explorer.exe Key created \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\RunOnce explorer.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\RunOnce\Windows Font Preloader Service = "C:\\ProgramData\\Windows Font Preloader Service\\uqq3m37u3.exe" explorer.exe Key created \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run explorer.exe -
Processes:
a9af9e16e937b8a056294395d4626e8e4975ecf956a68515a501fe91b7d293f7.exedescription ioc process Key value queried \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA a9af9e16e937b8a056294395d4626e8e4975ecf956a68515a501fe91b7d293f7.exe -
Suspicious use of NtSetInformationThreadHideFromDebugger 9 IoCs
Processes:
a9af9e16e937b8a056294395d4626e8e4975ecf956a68515a501fe91b7d293f7.exeexplorer.exepid process 1348 a9af9e16e937b8a056294395d4626e8e4975ecf956a68515a501fe91b7d293f7.exe 272 explorer.exe 272 explorer.exe 272 explorer.exe 272 explorer.exe 272 explorer.exe 272 explorer.exe 272 explorer.exe 272 explorer.exe -
Checks processor information in registry 2 TTPs 4 IoCs
Processor information is often read in order to detect sandboxing environments.
Processes:
a9af9e16e937b8a056294395d4626e8e4975ecf956a68515a501fe91b7d293f7.exeexplorer.exedescription ioc process Key opened \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0 a9af9e16e937b8a056294395d4626e8e4975ecf956a68515a501fe91b7d293f7.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString a9af9e16e937b8a056294395d4626e8e4975ecf956a68515a501fe91b7d293f7.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-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Zones\1\2500 = "3" explorer.exe Set value (int) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Zones\2\2500 = "3" explorer.exe Set value (int) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Zones\3\2500 = "3" explorer.exe Set value (int) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\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-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Internet Explorer\Main\NoProtectedModeBanner = "1" explorer.exe -
Processes:
explorer.exedescription ioc process Key created \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Internet Explorer\Main explorer.exe -
Suspicious behavior: EnumeratesProcesses 11 IoCs
Processes:
explorer.exepid process 272 explorer.exe 272 explorer.exe 272 explorer.exe 272 explorer.exe 272 explorer.exe 272 explorer.exe 272 explorer.exe 272 explorer.exe 272 explorer.exe 272 explorer.exe 272 explorer.exe -
Suspicious behavior: MapViewOfSection 4 IoCs
Processes:
a9af9e16e937b8a056294395d4626e8e4975ecf956a68515a501fe91b7d293f7.exeexplorer.exepid process 1348 a9af9e16e937b8a056294395d4626e8e4975ecf956a68515a501fe91b7d293f7.exe 1348 a9af9e16e937b8a056294395d4626e8e4975ecf956a68515a501fe91b7d293f7.exe 272 explorer.exe 272 explorer.exe -
Suspicious behavior: RenamesItself 1 IoCs
Processes:
a9af9e16e937b8a056294395d4626e8e4975ecf956a68515a501fe91b7d293f7.exepid process 1348 a9af9e16e937b8a056294395d4626e8e4975ecf956a68515a501fe91b7d293f7.exe -
Suspicious use of AdjustPrivilegeToken 28 IoCs
Processes:
a9af9e16e937b8a056294395d4626e8e4975ecf956a68515a501fe91b7d293f7.exeexplorer.exedescription pid process Token: SeDebugPrivilege 1348 a9af9e16e937b8a056294395d4626e8e4975ecf956a68515a501fe91b7d293f7.exe Token: SeRestorePrivilege 1348 a9af9e16e937b8a056294395d4626e8e4975ecf956a68515a501fe91b7d293f7.exe Token: SeBackupPrivilege 1348 a9af9e16e937b8a056294395d4626e8e4975ecf956a68515a501fe91b7d293f7.exe Token: SeLoadDriverPrivilege 1348 a9af9e16e937b8a056294395d4626e8e4975ecf956a68515a501fe91b7d293f7.exe Token: SeCreatePagefilePrivilege 1348 a9af9e16e937b8a056294395d4626e8e4975ecf956a68515a501fe91b7d293f7.exe Token: SeShutdownPrivilege 1348 a9af9e16e937b8a056294395d4626e8e4975ecf956a68515a501fe91b7d293f7.exe Token: SeTakeOwnershipPrivilege 1348 a9af9e16e937b8a056294395d4626e8e4975ecf956a68515a501fe91b7d293f7.exe Token: SeChangeNotifyPrivilege 1348 a9af9e16e937b8a056294395d4626e8e4975ecf956a68515a501fe91b7d293f7.exe Token: SeCreateTokenPrivilege 1348 a9af9e16e937b8a056294395d4626e8e4975ecf956a68515a501fe91b7d293f7.exe Token: SeMachineAccountPrivilege 1348 a9af9e16e937b8a056294395d4626e8e4975ecf956a68515a501fe91b7d293f7.exe Token: SeSecurityPrivilege 1348 a9af9e16e937b8a056294395d4626e8e4975ecf956a68515a501fe91b7d293f7.exe Token: SeAssignPrimaryTokenPrivilege 1348 a9af9e16e937b8a056294395d4626e8e4975ecf956a68515a501fe91b7d293f7.exe Token: SeCreateGlobalPrivilege 1348 a9af9e16e937b8a056294395d4626e8e4975ecf956a68515a501fe91b7d293f7.exe Token: 33 1348 a9af9e16e937b8a056294395d4626e8e4975ecf956a68515a501fe91b7d293f7.exe Token: SeDebugPrivilege 272 explorer.exe Token: SeRestorePrivilege 272 explorer.exe Token: SeBackupPrivilege 272 explorer.exe Token: SeLoadDriverPrivilege 272 explorer.exe Token: SeCreatePagefilePrivilege 272 explorer.exe Token: SeShutdownPrivilege 272 explorer.exe Token: SeTakeOwnershipPrivilege 272 explorer.exe Token: SeChangeNotifyPrivilege 272 explorer.exe Token: SeCreateTokenPrivilege 272 explorer.exe Token: SeMachineAccountPrivilege 272 explorer.exe Token: SeSecurityPrivilege 272 explorer.exe Token: SeAssignPrimaryTokenPrivilege 272 explorer.exe Token: SeCreateGlobalPrivilege 272 explorer.exe Token: 33 272 explorer.exe -
Suspicious use of WriteProcessMemory 19 IoCs
Processes:
a9af9e16e937b8a056294395d4626e8e4975ecf956a68515a501fe91b7d293f7.exeexplorer.exedescription pid process target process PID 1348 wrote to memory of 272 1348 a9af9e16e937b8a056294395d4626e8e4975ecf956a68515a501fe91b7d293f7.exe explorer.exe PID 1348 wrote to memory of 272 1348 a9af9e16e937b8a056294395d4626e8e4975ecf956a68515a501fe91b7d293f7.exe explorer.exe PID 1348 wrote to memory of 272 1348 a9af9e16e937b8a056294395d4626e8e4975ecf956a68515a501fe91b7d293f7.exe explorer.exe PID 1348 wrote to memory of 272 1348 a9af9e16e937b8a056294395d4626e8e4975ecf956a68515a501fe91b7d293f7.exe explorer.exe PID 1348 wrote to memory of 272 1348 a9af9e16e937b8a056294395d4626e8e4975ecf956a68515a501fe91b7d293f7.exe explorer.exe PID 1348 wrote to memory of 272 1348 a9af9e16e937b8a056294395d4626e8e4975ecf956a68515a501fe91b7d293f7.exe explorer.exe PID 1348 wrote to memory of 272 1348 a9af9e16e937b8a056294395d4626e8e4975ecf956a68515a501fe91b7d293f7.exe explorer.exe PID 272 wrote to memory of 1164 272 explorer.exe Dwm.exe PID 272 wrote to memory of 1164 272 explorer.exe Dwm.exe PID 272 wrote to memory of 1164 272 explorer.exe Dwm.exe PID 272 wrote to memory of 1164 272 explorer.exe Dwm.exe PID 272 wrote to memory of 1164 272 explorer.exe Dwm.exe PID 272 wrote to memory of 1164 272 explorer.exe Dwm.exe PID 272 wrote to memory of 1208 272 explorer.exe Explorer.EXE PID 272 wrote to memory of 1208 272 explorer.exe Explorer.EXE PID 272 wrote to memory of 1208 272 explorer.exe Explorer.EXE PID 272 wrote to memory of 1208 272 explorer.exe Explorer.EXE PID 272 wrote to memory of 1208 272 explorer.exe Explorer.EXE PID 272 wrote to memory of 1208 272 explorer.exe Explorer.EXE
Processes
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C:\Windows\Explorer.EXEC:\Windows\Explorer.EXE1⤵
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C:\Users\Admin\AppData\Local\Temp\a9af9e16e937b8a056294395d4626e8e4975ecf956a68515a501fe91b7d293f7.exe"C:\Users\Admin\AppData\Local\Temp\a9af9e16e937b8a056294395d4626e8e4975ecf956a68515a501fe91b7d293f7.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
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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
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C:\Windows\system32\Dwm.exe"C:\Windows\system32\Dwm.exe"1⤵
Network
MITRE ATT&CK Matrix ATT&CK v6
Replay Monitor
Loading Replay Monitor...
Downloads
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memory/272-67-0x00000000004E0000-0x00000000005F1000-memory.dmpFilesize
1.1MB
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memory/272-68-0x0000000000710000-0x000000000071C000-memory.dmpFilesize
48KB
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memory/272-63-0x0000000000000000-mapping.dmp
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memory/272-65-0x0000000074871000-0x0000000074873000-memory.dmpFilesize
8KB
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memory/272-71-0x00000000004E0000-0x00000000005F1000-memory.dmpFilesize
1.1MB
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memory/272-70-0x0000000077340000-0x00000000774C0000-memory.dmpFilesize
1.5MB
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memory/272-66-0x0000000077340000-0x00000000774C0000-memory.dmpFilesize
1.5MB
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memory/1208-72-0x0000000001C60000-0x0000000001C66000-memory.dmpFilesize
24KB
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memory/1348-59-0x0000000000400000-0x00000000004CD000-memory.dmpFilesize
820KB
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memory/1348-55-0x0000000000400000-0x00000000004CD000-memory.dmpFilesize
820KB
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memory/1348-62-0x0000000002210000-0x000000000221C000-memory.dmpFilesize
48KB
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memory/1348-56-0x0000000000560000-0x00000000005C6000-memory.dmpFilesize
408KB
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memory/1348-54-0x0000000075601000-0x0000000075603000-memory.dmpFilesize
8KB
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memory/1348-69-0x0000000000560000-0x00000000005C6000-memory.dmpFilesize
408KB
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memory/1348-60-0x0000000000560000-0x00000000005C6000-memory.dmpFilesize
408KB
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memory/1348-61-0x0000000000870000-0x000000000087D000-memory.dmpFilesize
52KB
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memory/1348-58-0x0000000000350000-0x00000000003E3000-memory.dmpFilesize
588KB