Analysis
- max time kernel
148s - max time network
141s - platform
windows7_x64 - resource
win7-20220812-en - resource tags
arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system - submitted
26/11/2022, 15:13
Static task
static1
Behavioral task
behavioral1
Sample
a0f5f093c51c5675902bb185daf2a3e2abdbc9d013284ff340708bd1788be3fd.exe
Resource
win7-20220812-en
windows7-x64
20 signatures
150 seconds
General
- Target a0f5f093c51c5675902bb185daf2a3e2abdbc9d013284ff340708bd1788be3fd.exe
- Size 256KB
- Sample221126-sl3ebada24
- SHA256 a0f5f093c51c5675902bb185daf2a3e2abdbc9d013284ff340708bd1788be3fd
- MD5 d40564ee078eb35e8ec2db7fa38c8ce2
- SHA1 4906cd24b4ab2e264fabaa921f3b9ac502882854
- SHA512 ffccbf624199ab7b3bf364031e33a53259f2fb3bfc7ffe20eaaab327f1d348adf426e9b095af0b9ed36dcbba36147912e6bb585eac9c9adbbe7c01480282328c
- SSDEEP 6144:biDVm76YSbgaUkKw0lpKDfeX4RW3Kcy1tGcmfPt:GDVm76YSbgarulpKDeDEOP
- MD5 SHA1 SHA512 SSDEEP
Malware Config
Signatures
- Modifies firewall policy service 2 TTPs 4 IoCs
description 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
description ioc Process Set value (str) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\rstrui.exe\Debugger = "wopzmtql.exe" explorer.exe Key created \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\i1c3sca13ssy5.exe a0f5f093c51c5675902bb185daf2a3e2abdbc9d013284ff340708bd1788be3fd.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\i1c3sca13ssy5.exe\DisableExceptionChainValidation a0f5f093c51c5675902bb185daf2a3e2abdbc9d013284ff340708bd1788be3fd.exe Key created \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\rstrui.exe explorer.exe - Checks BIOS information in registry 2 TTPs 1 IoCs
BIOS information is often read in order to detect sandboxing environments.
description ioc Process Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion explorer.exe - Adds Run key to start application 2 TTPs 4 IoCs
description ioc Process Key created \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\RunOnce explorer.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\RunOnce\Windows Search 5.3.10 = "C:\\ProgramData\\Windows Search 5.3.10\\i1c3sca13ssy5.exe" explorer.exe Key created \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run explorer.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\Windows Search 5.3.10 = "\"C:\\ProgramData\\Windows Search 5.3.10\\i1c3sca13ssy5.exe\"" explorer.exe -
description ioc Process Key value queried \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA a0f5f093c51c5675902bb185daf2a3e2abdbc9d013284ff340708bd1788be3fd.exe - Drops desktop.ini file(s) 2 IoCs
description ioc Process File opened for modification C:\ProgramData\Windows Search 5.3.10\desktop.ini a0f5f093c51c5675902bb185daf2a3e2abdbc9d013284ff340708bd1788be3fd.exe File created C:\ProgramData\Windows Search 5.3.10\desktop.ini a0f5f093c51c5675902bb185daf2a3e2abdbc9d013284ff340708bd1788be3fd.exe - Suspicious use of NtSetInformationThreadHideFromDebugger 9 IoCs
pid Process 980 a0f5f093c51c5675902bb185daf2a3e2abdbc9d013284ff340708bd1788be3fd.exe 2036 explorer.exe 2036 explorer.exe 2036 explorer.exe 2036 explorer.exe 2036 explorer.exe 2036 explorer.exe 2036 explorer.exe 2036 explorer.exe - Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 1680 set thread context of 980 1680 a0f5f093c51c5675902bb185daf2a3e2abdbc9d013284ff340708bd1788be3fd.exe 28 - Checks processor information in registry 2 TTPs 4 IoCs
Processor information is often read in order to detect sandboxing environments.
description ioc Process Key opened \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0 a0f5f093c51c5675902bb185daf2a3e2abdbc9d013284ff340708bd1788be3fd.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString a0f5f093c51c5675902bb185daf2a3e2abdbc9d013284ff340708bd1788be3fd.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
description 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
description ioc Process Set value (int) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Zones\2\2500 = "3" explorer.exe Set value (int) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Zones\3\2500 = "3" explorer.exe Set value (int) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Zones\4\2500 = "3" explorer.exe Set value (int) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Zones\1\2500 = "3" explorer.exe - Modifies Internet Explorer Protected Mode Banner 1 TTPs 1 IoCs
description ioc Process Set value (int) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Internet Explorer\Main\NoProtectedModeBanner = "1" explorer.exe -
description ioc Process Key created \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Internet Explorer\Main explorer.exe - Suspicious behavior: EnumeratesProcesses 9 IoCs
pid Process 2036 explorer.exe 2036 explorer.exe 2036 explorer.exe 2036 explorer.exe 2036 explorer.exe 2036 explorer.exe 2036 explorer.exe 2036 explorer.exe 2036 explorer.exe - Suspicious behavior: MapViewOfSection 5 IoCs
pid Process 980 a0f5f093c51c5675902bb185daf2a3e2abdbc9d013284ff340708bd1788be3fd.exe 980 a0f5f093c51c5675902bb185daf2a3e2abdbc9d013284ff340708bd1788be3fd.exe 2036 explorer.exe 2036 explorer.exe 2036 explorer.exe - Suspicious behavior: RenamesItself 1 IoCs
pid Process 980 a0f5f093c51c5675902bb185daf2a3e2abdbc9d013284ff340708bd1788be3fd.exe - Suspicious use of AdjustPrivilegeToken 28 IoCs
description pid Process Token: SeDebugPrivilege 980 a0f5f093c51c5675902bb185daf2a3e2abdbc9d013284ff340708bd1788be3fd.exe Token: SeRestorePrivilege 980 a0f5f093c51c5675902bb185daf2a3e2abdbc9d013284ff340708bd1788be3fd.exe Token: SeBackupPrivilege 980 a0f5f093c51c5675902bb185daf2a3e2abdbc9d013284ff340708bd1788be3fd.exe Token: SeLoadDriverPrivilege 980 a0f5f093c51c5675902bb185daf2a3e2abdbc9d013284ff340708bd1788be3fd.exe Token: SeCreatePagefilePrivilege 980 a0f5f093c51c5675902bb185daf2a3e2abdbc9d013284ff340708bd1788be3fd.exe Token: SeShutdownPrivilege 980 a0f5f093c51c5675902bb185daf2a3e2abdbc9d013284ff340708bd1788be3fd.exe Token: SeTakeOwnershipPrivilege 980 a0f5f093c51c5675902bb185daf2a3e2abdbc9d013284ff340708bd1788be3fd.exe Token: SeChangeNotifyPrivilege 980 a0f5f093c51c5675902bb185daf2a3e2abdbc9d013284ff340708bd1788be3fd.exe Token: SeCreateTokenPrivilege 980 a0f5f093c51c5675902bb185daf2a3e2abdbc9d013284ff340708bd1788be3fd.exe Token: SeMachineAccountPrivilege 980 a0f5f093c51c5675902bb185daf2a3e2abdbc9d013284ff340708bd1788be3fd.exe Token: SeSecurityPrivilege 980 a0f5f093c51c5675902bb185daf2a3e2abdbc9d013284ff340708bd1788be3fd.exe Token: SeAssignPrimaryTokenPrivilege 980 a0f5f093c51c5675902bb185daf2a3e2abdbc9d013284ff340708bd1788be3fd.exe Token: SeCreateGlobalPrivilege 980 a0f5f093c51c5675902bb185daf2a3e2abdbc9d013284ff340708bd1788be3fd.exe Token: 33 980 a0f5f093c51c5675902bb185daf2a3e2abdbc9d013284ff340708bd1788be3fd.exe Token: SeDebugPrivilege 2036 explorer.exe Token: SeRestorePrivilege 2036 explorer.exe Token: SeBackupPrivilege 2036 explorer.exe Token: SeLoadDriverPrivilege 2036 explorer.exe Token: SeCreatePagefilePrivilege 2036 explorer.exe Token: SeShutdownPrivilege 2036 explorer.exe Token: SeTakeOwnershipPrivilege 2036 explorer.exe Token: SeChangeNotifyPrivilege 2036 explorer.exe Token: SeCreateTokenPrivilege 2036 explorer.exe Token: SeMachineAccountPrivilege 2036 explorer.exe Token: SeSecurityPrivilege 2036 explorer.exe Token: SeAssignPrimaryTokenPrivilege 2036 explorer.exe Token: SeCreateGlobalPrivilege 2036 explorer.exe Token: 33 2036 explorer.exe - Suspicious use of SetWindowsHookEx 1 IoCs
pid Process 1680 a0f5f093c51c5675902bb185daf2a3e2abdbc9d013284ff340708bd1788be3fd.exe - Suspicious use of WriteProcessMemory 36 IoCs
description pid Process procid_target PID 1680 wrote to memory of 980 1680 a0f5f093c51c5675902bb185daf2a3e2abdbc9d013284ff340708bd1788be3fd.exe 28 PID 1680 wrote to memory of 980 1680 a0f5f093c51c5675902bb185daf2a3e2abdbc9d013284ff340708bd1788be3fd.exe 28 PID 1680 wrote to memory of 980 1680 a0f5f093c51c5675902bb185daf2a3e2abdbc9d013284ff340708bd1788be3fd.exe 28 PID 1680 wrote to memory of 980 1680 a0f5f093c51c5675902bb185daf2a3e2abdbc9d013284ff340708bd1788be3fd.exe 28 PID 1680 wrote to memory of 980 1680 a0f5f093c51c5675902bb185daf2a3e2abdbc9d013284ff340708bd1788be3fd.exe 28 PID 1680 wrote to memory of 980 1680 a0f5f093c51c5675902bb185daf2a3e2abdbc9d013284ff340708bd1788be3fd.exe 28 PID 1680 wrote to memory of 980 1680 a0f5f093c51c5675902bb185daf2a3e2abdbc9d013284ff340708bd1788be3fd.exe 28 PID 1680 wrote to memory of 980 1680 a0f5f093c51c5675902bb185daf2a3e2abdbc9d013284ff340708bd1788be3fd.exe 28 PID 1680 wrote to memory of 980 1680 a0f5f093c51c5675902bb185daf2a3e2abdbc9d013284ff340708bd1788be3fd.exe 28 PID 1680 wrote to memory of 980 1680 a0f5f093c51c5675902bb185daf2a3e2abdbc9d013284ff340708bd1788be3fd.exe 28 PID 1680 wrote to memory of 980 1680 a0f5f093c51c5675902bb185daf2a3e2abdbc9d013284ff340708bd1788be3fd.exe 28 PID 980 wrote to memory of 2036 980 a0f5f093c51c5675902bb185daf2a3e2abdbc9d013284ff340708bd1788be3fd.exe 29 PID 980 wrote to memory of 2036 980 a0f5f093c51c5675902bb185daf2a3e2abdbc9d013284ff340708bd1788be3fd.exe 29 PID 980 wrote to memory of 2036 980 a0f5f093c51c5675902bb185daf2a3e2abdbc9d013284ff340708bd1788be3fd.exe 29 PID 980 wrote to memory of 2036 980 a0f5f093c51c5675902bb185daf2a3e2abdbc9d013284ff340708bd1788be3fd.exe 29 PID 980 wrote to memory of 2036 980 a0f5f093c51c5675902bb185daf2a3e2abdbc9d013284ff340708bd1788be3fd.exe 29 PID 980 wrote to memory of 2036 980 a0f5f093c51c5675902bb185daf2a3e2abdbc9d013284ff340708bd1788be3fd.exe 29 PID 980 wrote to memory of 2036 980 a0f5f093c51c5675902bb185daf2a3e2abdbc9d013284ff340708bd1788be3fd.exe 29 PID 2036 wrote to memory of 1296 2036 explorer.exe 16 PID 2036 wrote to memory of 1296 2036 explorer.exe 16 PID 2036 wrote to memory of 1296 2036 explorer.exe 16 PID 2036 wrote to memory of 1296 2036 explorer.exe 16 PID 2036 wrote to memory of 1296 2036 explorer.exe 16 PID 2036 wrote to memory of 1296 2036 explorer.exe 16 PID 2036 wrote to memory of 1376 2036 explorer.exe 15 PID 2036 wrote to memory of 1376 2036 explorer.exe 15 PID 2036 wrote to memory of 1376 2036 explorer.exe 15 PID 2036 wrote to memory of 1376 2036 explorer.exe 15 PID 2036 wrote to memory of 1376 2036 explorer.exe 15 PID 2036 wrote to memory of 1376 2036 explorer.exe 15 PID 2036 wrote to memory of 1516 2036 explorer.exe 30 PID 2036 wrote to memory of 1516 2036 explorer.exe 30 PID 2036 wrote to memory of 1516 2036 explorer.exe 30 PID 2036 wrote to memory of 1516 2036 explorer.exe 30 PID 2036 wrote to memory of 1516 2036 explorer.exe 30 PID 2036 wrote to memory of 1516 2036 explorer.exe 30
Processes
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C:\Windows\Explorer.EXEC:\Windows\Explorer.EXE1⤵PID:1376
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C:\Users\Admin\AppData\Local\Temp\a0f5f093c51c5675902bb185daf2a3e2abdbc9d013284ff340708bd1788be3fd.exe"C:\Users\Admin\AppData\Local\Temp\a0f5f093c51c5675902bb185daf2a3e2abdbc9d013284ff340708bd1788be3fd.exe"2⤵
- Suspicious use of SetThreadContext
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1680 -
C:\Users\Admin\AppData\Local\Temp\a0f5f093c51c5675902bb185daf2a3e2abdbc9d013284ff340708bd1788be3fd.exe"C:\Users\Admin\AppData\Local\Temp\a0f5f093c51c5675902bb185daf2a3e2abdbc9d013284ff340708bd1788be3fd.exe"3⤵
- Sets file execution options in registry
- Checks whether UAC is enabled
- Drops desktop.ini file(s)
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Checks processor information in registry
- Suspicious behavior: MapViewOfSection
- Suspicious behavior: RenamesItself
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:980 -
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
PID:2036
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C:\Windows\system32\Dwm.exe"C:\Windows\system32\Dwm.exe"1⤵PID:1296
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C:\Windows\system32\DllHost.exeC:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}1⤵PID:1516