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Analysis
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max time kernel
187s -
max time network
202s -
platform
windows10-2004_x64 -
resource
win10v2004-20220812-en -
resource tags
arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system -
submitted
03/10/2022, 06:49
Behavioral task
behavioral1
Sample
556696b484a3c49ff5b968917cb2f4653e3fa7835d614136487db8dd67b96674.exe
Resource
win7-20220812-en
windows7-x64
14 signatures
150 seconds
Behavioral task
behavioral2
Sample
556696b484a3c49ff5b968917cb2f4653e3fa7835d614136487db8dd67b96674.exe
Resource
win10v2004-20220812-en
windows10-2004-x64
14 signatures
150 seconds
General
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Target
556696b484a3c49ff5b968917cb2f4653e3fa7835d614136487db8dd67b96674.exe
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Size
635KB
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MD5
3efd7da293cb261c551185fc393f04ac
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SHA1
83d058058a6166378fb18e7677369cad3869c42b
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SHA256
556696b484a3c49ff5b968917cb2f4653e3fa7835d614136487db8dd67b96674
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SHA512
6fa0f12245c323cd3897b24ef30f9b4da721208eb2163b110b934f645865c6784323f9c54fb05f6bb3100e2fc2aafec416eaa66747f58f87a1ca5c5be87c0562
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SSDEEP
12288:TpwABK90BOe/x9lPAYvxPQVjdsAY2XjWlnlpTMMXG91uhKIXn/r:1wAcu99lPzvxP+Bsz2XjWTRMQckkIXnj
Score
10/10
Malware Config
Signatures
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Modifies WinLogon for persistence 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon\UserInit = "C:\\Windows\\system32\\userinit.exe,C:\\Users\\Admin\\Desktop\\Windupdt\\winupdate.exe" 556696b484a3c49ff5b968917cb2f4653e3fa7835d614136487db8dd67b96674.exe -
Executes dropped EXE 1 IoCs
pid Process 3124 winupdate.exe -
Checks BIOS information in registry 2 TTPs 2 IoCs
BIOS information is often read in order to detect sandboxing environments.
description ioc Process Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosDate 556696b484a3c49ff5b968917cb2f4653e3fa7835d614136487db8dd67b96674.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosDate winupdate.exe -
Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
description ioc Process Key value queried \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\Control Panel\International\Geo\Nation 556696b484a3c49ff5b968917cb2f4653e3fa7835d614136487db8dd67b96674.exe -
Adds Run key to start application 2 TTPs 3 IoCs
description ioc Process Key created \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\Software\Microsoft\Windows\CurrentVersion\Run 556696b484a3c49ff5b968917cb2f4653e3fa7835d614136487db8dd67b96674.exe Set value (str) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\winupdater = "C:\\Users\\Admin\\Desktop\\Windupdt\\winupdate.exe" 556696b484a3c49ff5b968917cb2f4653e3fa7835d614136487db8dd67b96674.exe Key created \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\Software\Microsoft\Windows\CurrentVersion\Run winupdate.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
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Checks processor information in registry 2 TTPs 8 IoCs
Processor information is often read in order to detect sandboxing environments.
description ioc Process Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\Identifier winupdate.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\VendorIdentifier winupdate.exe Key opened \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0 556696b484a3c49ff5b968917cb2f4653e3fa7835d614136487db8dd67b96674.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString 556696b484a3c49ff5b968917cb2f4653e3fa7835d614136487db8dd67b96674.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\Identifier 556696b484a3c49ff5b968917cb2f4653e3fa7835d614136487db8dd67b96674.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\VendorIdentifier 556696b484a3c49ff5b968917cb2f4653e3fa7835d614136487db8dd67b96674.exe Key opened \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0 winupdate.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString winupdate.exe -
Enumerates system info in registry 2 TTPs 2 IoCs
description ioc Process Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\Identifier 556696b484a3c49ff5b968917cb2f4653e3fa7835d614136487db8dd67b96674.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\Identifier winupdate.exe -
Modifies registry class 1 IoCs
description ioc Process Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{1f3427c8-5c10-4210-aa03-2ee45287d668}\Instance\ 556696b484a3c49ff5b968917cb2f4653e3fa7835d614136487db8dd67b96674.exe -
Runs ping.exe 1 TTPs 1 IoCs
pid Process 4076 ping.exe -
Suspicious use of AdjustPrivilegeToken 48 IoCs
description pid Process Token: SeIncreaseQuotaPrivilege 4920 556696b484a3c49ff5b968917cb2f4653e3fa7835d614136487db8dd67b96674.exe Token: SeSecurityPrivilege 4920 556696b484a3c49ff5b968917cb2f4653e3fa7835d614136487db8dd67b96674.exe Token: SeTakeOwnershipPrivilege 4920 556696b484a3c49ff5b968917cb2f4653e3fa7835d614136487db8dd67b96674.exe Token: SeLoadDriverPrivilege 4920 556696b484a3c49ff5b968917cb2f4653e3fa7835d614136487db8dd67b96674.exe Token: SeSystemProfilePrivilege 4920 556696b484a3c49ff5b968917cb2f4653e3fa7835d614136487db8dd67b96674.exe Token: SeSystemtimePrivilege 4920 556696b484a3c49ff5b968917cb2f4653e3fa7835d614136487db8dd67b96674.exe Token: SeProfSingleProcessPrivilege 4920 556696b484a3c49ff5b968917cb2f4653e3fa7835d614136487db8dd67b96674.exe Token: SeIncBasePriorityPrivilege 4920 556696b484a3c49ff5b968917cb2f4653e3fa7835d614136487db8dd67b96674.exe Token: SeCreatePagefilePrivilege 4920 556696b484a3c49ff5b968917cb2f4653e3fa7835d614136487db8dd67b96674.exe Token: SeBackupPrivilege 4920 556696b484a3c49ff5b968917cb2f4653e3fa7835d614136487db8dd67b96674.exe Token: SeRestorePrivilege 4920 556696b484a3c49ff5b968917cb2f4653e3fa7835d614136487db8dd67b96674.exe Token: SeShutdownPrivilege 4920 556696b484a3c49ff5b968917cb2f4653e3fa7835d614136487db8dd67b96674.exe Token: SeDebugPrivilege 4920 556696b484a3c49ff5b968917cb2f4653e3fa7835d614136487db8dd67b96674.exe Token: SeSystemEnvironmentPrivilege 4920 556696b484a3c49ff5b968917cb2f4653e3fa7835d614136487db8dd67b96674.exe Token: SeChangeNotifyPrivilege 4920 556696b484a3c49ff5b968917cb2f4653e3fa7835d614136487db8dd67b96674.exe Token: SeRemoteShutdownPrivilege 4920 556696b484a3c49ff5b968917cb2f4653e3fa7835d614136487db8dd67b96674.exe Token: SeUndockPrivilege 4920 556696b484a3c49ff5b968917cb2f4653e3fa7835d614136487db8dd67b96674.exe Token: SeManageVolumePrivilege 4920 556696b484a3c49ff5b968917cb2f4653e3fa7835d614136487db8dd67b96674.exe Token: SeImpersonatePrivilege 4920 556696b484a3c49ff5b968917cb2f4653e3fa7835d614136487db8dd67b96674.exe Token: SeCreateGlobalPrivilege 4920 556696b484a3c49ff5b968917cb2f4653e3fa7835d614136487db8dd67b96674.exe Token: 33 4920 556696b484a3c49ff5b968917cb2f4653e3fa7835d614136487db8dd67b96674.exe Token: 34 4920 556696b484a3c49ff5b968917cb2f4653e3fa7835d614136487db8dd67b96674.exe Token: 35 4920 556696b484a3c49ff5b968917cb2f4653e3fa7835d614136487db8dd67b96674.exe Token: 36 4920 556696b484a3c49ff5b968917cb2f4653e3fa7835d614136487db8dd67b96674.exe Token: SeIncreaseQuotaPrivilege 3124 winupdate.exe Token: SeSecurityPrivilege 3124 winupdate.exe Token: SeTakeOwnershipPrivilege 3124 winupdate.exe Token: SeLoadDriverPrivilege 3124 winupdate.exe Token: SeSystemProfilePrivilege 3124 winupdate.exe Token: SeSystemtimePrivilege 3124 winupdate.exe Token: SeProfSingleProcessPrivilege 3124 winupdate.exe Token: SeIncBasePriorityPrivilege 3124 winupdate.exe Token: SeCreatePagefilePrivilege 3124 winupdate.exe Token: SeBackupPrivilege 3124 winupdate.exe Token: SeRestorePrivilege 3124 winupdate.exe Token: SeShutdownPrivilege 3124 winupdate.exe Token: SeDebugPrivilege 3124 winupdate.exe Token: SeSystemEnvironmentPrivilege 3124 winupdate.exe Token: SeChangeNotifyPrivilege 3124 winupdate.exe Token: SeRemoteShutdownPrivilege 3124 winupdate.exe Token: SeUndockPrivilege 3124 winupdate.exe Token: SeManageVolumePrivilege 3124 winupdate.exe Token: SeImpersonatePrivilege 3124 winupdate.exe Token: SeCreateGlobalPrivilege 3124 winupdate.exe Token: 33 3124 winupdate.exe Token: 34 3124 winupdate.exe Token: 35 3124 winupdate.exe Token: 36 3124 winupdate.exe -
Suspicious use of SetWindowsHookEx 1 IoCs
pid Process 3124 winupdate.exe -
Suspicious use of WriteProcessMemory 9 IoCs
description pid Process procid_target PID 4920 wrote to memory of 996 4920 556696b484a3c49ff5b968917cb2f4653e3fa7835d614136487db8dd67b96674.exe 85 PID 4920 wrote to memory of 996 4920 556696b484a3c49ff5b968917cb2f4653e3fa7835d614136487db8dd67b96674.exe 85 PID 4920 wrote to memory of 996 4920 556696b484a3c49ff5b968917cb2f4653e3fa7835d614136487db8dd67b96674.exe 85 PID 4920 wrote to memory of 3124 4920 556696b484a3c49ff5b968917cb2f4653e3fa7835d614136487db8dd67b96674.exe 86 PID 4920 wrote to memory of 3124 4920 556696b484a3c49ff5b968917cb2f4653e3fa7835d614136487db8dd67b96674.exe 86 PID 4920 wrote to memory of 3124 4920 556696b484a3c49ff5b968917cb2f4653e3fa7835d614136487db8dd67b96674.exe 86 PID 4920 wrote to memory of 4076 4920 556696b484a3c49ff5b968917cb2f4653e3fa7835d614136487db8dd67b96674.exe 87 PID 4920 wrote to memory of 4076 4920 556696b484a3c49ff5b968917cb2f4653e3fa7835d614136487db8dd67b96674.exe 87 PID 4920 wrote to memory of 4076 4920 556696b484a3c49ff5b968917cb2f4653e3fa7835d614136487db8dd67b96674.exe 87
Processes
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C:\Users\Admin\AppData\Local\Temp\556696b484a3c49ff5b968917cb2f4653e3fa7835d614136487db8dd67b96674.exe"C:\Users\Admin\AppData\Local\Temp\556696b484a3c49ff5b968917cb2f4653e3fa7835d614136487db8dd67b96674.exe"1⤵
- Modifies WinLogon for persistence
- Checks BIOS information in registry
- Checks computer location settings
- Adds Run key to start application
- Checks processor information in registry
- Enumerates system info in registry
- Modifies registry class
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4920 -
C:\Windows\SysWOW64\explorer.exe"C:\Windows\SysWOW64\explorer.exe"2⤵PID:996
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C:\Users\Admin\Desktop\Windupdt\winupdate.exe"C:\Users\Admin\Desktop\Windupdt\winupdate.exe"2⤵
- Executes dropped EXE
- Checks BIOS information in registry
- Adds Run key to start application
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
PID:3124
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C:\Windows\SysWOW64\ping.exeping 127.0.0.1 -n 5 > NUL del "C:\Users\Admin\AppData\Local\Temp\556696b484a3c49ff5b968917cb2f4653e3fa7835d614136487db8dd67b96674.exe"2⤵
- Runs ping.exe
PID:4076
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Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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Filesize
635KB
MD53efd7da293cb261c551185fc393f04ac
SHA183d058058a6166378fb18e7677369cad3869c42b
SHA256556696b484a3c49ff5b968917cb2f4653e3fa7835d614136487db8dd67b96674
SHA5126fa0f12245c323cd3897b24ef30f9b4da721208eb2163b110b934f645865c6784323f9c54fb05f6bb3100e2fc2aafec416eaa66747f58f87a1ca5c5be87c0562
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Filesize
635KB
MD53efd7da293cb261c551185fc393f04ac
SHA183d058058a6166378fb18e7677369cad3869c42b
SHA256556696b484a3c49ff5b968917cb2f4653e3fa7835d614136487db8dd67b96674
SHA5126fa0f12245c323cd3897b24ef30f9b4da721208eb2163b110b934f645865c6784323f9c54fb05f6bb3100e2fc2aafec416eaa66747f58f87a1ca5c5be87c0562