Analysis
- max time kernel
142s - max time network
152s - platform
windows10-2004_x64 - resource
win10v2004-20220812-en - resource tags
arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system - submitted
26/11/2022, 23:01
Static task
static1
Behavioral task
behavioral1
Sample
8ed8eaea95a7026487227b033e9bd51b8cc5cbfe4f5794e3696598ac52244430.exe
Resource
win7-20220812-en
windows7-x64
18 signatures
150 seconds
General
- Target 8ed8eaea95a7026487227b033e9bd51b8cc5cbfe4f5794e3696598ac52244430.exe
- Size 184KB
- Sample221126-2zx67afa8v
- SHA256 8ed8eaea95a7026487227b033e9bd51b8cc5cbfe4f5794e3696598ac52244430
- MD5 6ed4149240da33975323d703dc373534
- SHA1 e643957bc60f6ccc4edefb5982f286b7afc2551a
- SHA512 5232265ada9ea6e91e4939af5796804d8e5c5042e4046ec485ef3cab2f5259727816f451d01b844584b307627dc3af7659566adc997f2c9a55c192ea361a16bf
- SSDEEP 3072:8SzNlG6vZ8mG2MwlQKFBqE6wt30EoASZIQW+BtSNiLVIj9mVtApRMbVa+cL+7IAR:rTyWMc7j60kEoAOoSmgGMb40IAR
- MD5 SHA1 SHA512 SSDEEP
Malware Config
Signatures
- Modifies firewall policy service 2 TTPs 4 IoCs
description 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
description ioc Process Set value (str) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\rstrui.exe\Debugger = "crkwtc.exe" explorer.exe Key created \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\g75qm1ymc9.exe 8ed8eaea95a7026487227b033e9bd51b8cc5cbfe4f5794e3696598ac52244430.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\g75qm1ymc9.exe\DisableExceptionChainValidation 8ed8eaea95a7026487227b033e9bd51b8cc5cbfe4f5794e3696598ac52244430.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-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\RunOnce explorer.exe Set value (str) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\RunOnce\Creative Works 2.0 = "C:\\ProgramData\\Creative Works 2.0\\g75qm1ymc9.exe" explorer.exe Key created \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run explorer.exe Set value (str) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Creative Works 2.0 = "\"C:\\ProgramData\\Creative Works 2.0\\g75qm1ymc9.exe\"" explorer.exe -
description ioc Process Key value queried \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA 8ed8eaea95a7026487227b033e9bd51b8cc5cbfe4f5794e3696598ac52244430.exe - Drops desktop.ini file(s) 2 IoCs
description ioc Process File created C:\ProgramData\Creative Works 2.0\desktop.ini 8ed8eaea95a7026487227b033e9bd51b8cc5cbfe4f5794e3696598ac52244430.exe File opened for modification C:\ProgramData\Creative Works 2.0\desktop.ini 8ed8eaea95a7026487227b033e9bd51b8cc5cbfe4f5794e3696598ac52244430.exe - Suspicious use of NtSetInformationThreadHideFromDebugger 8 IoCs
pid Process 4840 8ed8eaea95a7026487227b033e9bd51b8cc5cbfe4f5794e3696598ac52244430.exe 3492 explorer.exe 3492 explorer.exe 3492 explorer.exe 3492 explorer.exe 3492 explorer.exe 3492 explorer.exe 3492 explorer.exe - Program crash 1 IoCs
pid pid_target Process procid_target 1560 3492 WerFault.exe 81 - 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 8ed8eaea95a7026487227b033e9bd51b8cc5cbfe4f5794e3696598ac52244430.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString 8ed8eaea95a7026487227b033e9bd51b8cc5cbfe4f5794e3696598ac52244430.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-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Zones\1\2500 = "3" explorer.exe Set value (int) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Zones\2\2500 = "3" explorer.exe Set value (int) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Zones\3\2500 = "3" explorer.exe Set value (int) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Zones\4\2500 = "3" explorer.exe - Modifies Internet Explorer Protected Mode Banner 1 TTPs 1 IoCs
description ioc Process Set value (int) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Internet Explorer\Main\NoProtectedModeBanner = "1" explorer.exe -
description ioc Process Key created \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\Software\Microsoft\Internet Explorer\Main explorer.exe - Suspicious behavior: EnumeratesProcesses 4 IoCs
pid Process 3492 explorer.exe 3492 explorer.exe 3492 explorer.exe 3492 explorer.exe - Suspicious behavior: MapViewOfSection 2 IoCs
pid Process 4840 8ed8eaea95a7026487227b033e9bd51b8cc5cbfe4f5794e3696598ac52244430.exe 4840 8ed8eaea95a7026487227b033e9bd51b8cc5cbfe4f5794e3696598ac52244430.exe - Suspicious behavior: RenamesItself 1 IoCs
pid Process 4840 8ed8eaea95a7026487227b033e9bd51b8cc5cbfe4f5794e3696598ac52244430.exe - Suspicious use of AdjustPrivilegeToken 27 IoCs
description pid Process Token: SeDebugPrivilege 4840 8ed8eaea95a7026487227b033e9bd51b8cc5cbfe4f5794e3696598ac52244430.exe Token: SeRestorePrivilege 4840 8ed8eaea95a7026487227b033e9bd51b8cc5cbfe4f5794e3696598ac52244430.exe Token: SeBackupPrivilege 4840 8ed8eaea95a7026487227b033e9bd51b8cc5cbfe4f5794e3696598ac52244430.exe Token: SeLoadDriverPrivilege 4840 8ed8eaea95a7026487227b033e9bd51b8cc5cbfe4f5794e3696598ac52244430.exe Token: SeCreatePagefilePrivilege 4840 8ed8eaea95a7026487227b033e9bd51b8cc5cbfe4f5794e3696598ac52244430.exe Token: SeShutdownPrivilege 4840 8ed8eaea95a7026487227b033e9bd51b8cc5cbfe4f5794e3696598ac52244430.exe Token: SeTakeOwnershipPrivilege 4840 8ed8eaea95a7026487227b033e9bd51b8cc5cbfe4f5794e3696598ac52244430.exe Token: SeChangeNotifyPrivilege 4840 8ed8eaea95a7026487227b033e9bd51b8cc5cbfe4f5794e3696598ac52244430.exe Token: SeCreateTokenPrivilege 4840 8ed8eaea95a7026487227b033e9bd51b8cc5cbfe4f5794e3696598ac52244430.exe Token: SeMachineAccountPrivilege 4840 8ed8eaea95a7026487227b033e9bd51b8cc5cbfe4f5794e3696598ac52244430.exe Token: SeSecurityPrivilege 4840 8ed8eaea95a7026487227b033e9bd51b8cc5cbfe4f5794e3696598ac52244430.exe Token: SeAssignPrimaryTokenPrivilege 4840 8ed8eaea95a7026487227b033e9bd51b8cc5cbfe4f5794e3696598ac52244430.exe Token: SeCreateGlobalPrivilege 4840 8ed8eaea95a7026487227b033e9bd51b8cc5cbfe4f5794e3696598ac52244430.exe Token: 33 4840 8ed8eaea95a7026487227b033e9bd51b8cc5cbfe4f5794e3696598ac52244430.exe Token: SeDebugPrivilege 3492 explorer.exe Token: SeRestorePrivilege 3492 explorer.exe Token: SeBackupPrivilege 3492 explorer.exe Token: SeLoadDriverPrivilege 3492 explorer.exe Token: SeCreatePagefilePrivilege 3492 explorer.exe Token: SeShutdownPrivilege 3492 explorer.exe Token: SeTakeOwnershipPrivilege 3492 explorer.exe Token: SeChangeNotifyPrivilege 3492 explorer.exe Token: SeCreateTokenPrivilege 3492 explorer.exe Token: SeMachineAccountPrivilege 3492 explorer.exe Token: SeSecurityPrivilege 3492 explorer.exe Token: SeAssignPrimaryTokenPrivilege 3492 explorer.exe Token: SeCreateGlobalPrivilege 3492 explorer.exe - Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 4840 wrote to memory of 3492 4840 8ed8eaea95a7026487227b033e9bd51b8cc5cbfe4f5794e3696598ac52244430.exe 81 PID 4840 wrote to memory of 3492 4840 8ed8eaea95a7026487227b033e9bd51b8cc5cbfe4f5794e3696598ac52244430.exe 81 PID 4840 wrote to memory of 3492 4840 8ed8eaea95a7026487227b033e9bd51b8cc5cbfe4f5794e3696598ac52244430.exe 81
Processes
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C:\Users\Admin\AppData\Local\Temp\8ed8eaea95a7026487227b033e9bd51b8cc5cbfe4f5794e3696598ac52244430.exe"C:\Users\Admin\AppData\Local\Temp\8ed8eaea95a7026487227b033e9bd51b8cc5cbfe4f5794e3696598ac52244430.exe"1⤵
- 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:4840 -
C:\Windows\SysWOW64\explorer.exeC:\Windows\SysWOW64\explorer.exe2⤵
- 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:3492 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 3492 -s 11363⤵
- Program crash
PID:1560
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 404 -p 3492 -ip 34921⤵PID:4008