Analysis
- max time kernel
155s - max time network
200s - platform
windows10-2004_x64 - resource
win10v2004-20220812-en - resource tags
arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system - submitted
13/10/2022, 23:28
Behavioral task
behavioral1
Sample
4ecd7ae05d3b303508e747715da3761fe13bd4d5947d287db631a0025b37f41e.exe
Resource
win7-20220812-en
windows7-x64
12 signatures
150 seconds
Behavioral task
behavioral2
Sample
4ecd7ae05d3b303508e747715da3761fe13bd4d5947d287db631a0025b37f41e.exe
Resource
win10v2004-20220812-en
windows10-2004-x64
11 signatures
150 seconds
General
- Target 4ecd7ae05d3b303508e747715da3761fe13bd4d5947d287db631a0025b37f41e.exe
- Size 756KB
- Sample221013-3f8dgsaga2
- SHA256 4ecd7ae05d3b303508e747715da3761fe13bd4d5947d287db631a0025b37f41e
- MD5 41102e22089468f6ff2a4fdf67899233
- SHA1 bb5c30cc182a2e5ea174b12872344c999c142add
- SHA512 56b6a673a8db5d1a9cb381e499c3b76a77d3af00cd0e02a665c68f2e93e51fcb88022619f1bb2447bfb7322850befa7fae14e9f9a6f3daca83d48a60ccfc3c77
- SSDEEP 12288:l9AFlAd0Z+89cxTGzO4AucTD8QP2lmFSrVs9LqnKaFIIhII:DAQ6Zx9cxTmOrucTIEFSpOG
- MD5 SHA1 SHA512 SSDEEP
Score
10/10
Malware Config
Signatures
- 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:\\Windows\\system32\\Windupdt\\winupdate.exe" 4ecd7ae05d3b303508e747715da3761fe13bd4d5947d287db631a0025b37f41e.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 4ecd7ae05d3b303508e747715da3761fe13bd4d5947d287db631a0025b37f41e.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosDate explorer.exe - Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\winupdater = "C:\\Windows\\system32\\Windupdt\\winupdate.exe" notepad.exe Set value (str) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\winupdater = "C:\\Windows\\system32\\Windupdt\\winupdate.exe" 4ecd7ae05d3b303508e747715da3761fe13bd4d5947d287db631a0025b37f41e.exe - Drops file in System32 directory 4 IoCs
description ioc Process File created C:\Windows\SysWOW64\Windupdt\winupdate.exe 4ecd7ae05d3b303508e747715da3761fe13bd4d5947d287db631a0025b37f41e.exe File opened for modification C:\Windows\SysWOW64\Windupdt\winupdate.exe 4ecd7ae05d3b303508e747715da3761fe13bd4d5947d287db631a0025b37f41e.exe File opened for modification C:\Windows\SysWOW64\Windupdt\ 4ecd7ae05d3b303508e747715da3761fe13bd4d5947d287db631a0025b37f41e.exe File opened for modification C:\Windows\SysWOW64\Windupdt\winupdate.exe notepad.exe - Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 4444 set thread context of 2816 4444 4ecd7ae05d3b303508e747715da3761fe13bd4d5947d287db631a0025b37f41e.exe 81 - 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 4ecd7ae05d3b303508e747715da3761fe13bd4d5947d287db631a0025b37f41e.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\VendorIdentifier 4ecd7ae05d3b303508e747715da3761fe13bd4d5947d287db631a0025b37f41e.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 Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\Identifier explorer.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\VendorIdentifier explorer.exe Key opened \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0 4ecd7ae05d3b303508e747715da3761fe13bd4d5947d287db631a0025b37f41e.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString 4ecd7ae05d3b303508e747715da3761fe13bd4d5947d287db631a0025b37f41e.exe - Enumerates system info in registry 2 TTPs 2 IoCs
description ioc Process Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\Identifier 4ecd7ae05d3b303508e747715da3761fe13bd4d5947d287db631a0025b37f41e.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\Identifier explorer.exe - Suspicious use of AdjustPrivilegeToken 48 IoCs
description pid Process Token: SeIncreaseQuotaPrivilege 4444 4ecd7ae05d3b303508e747715da3761fe13bd4d5947d287db631a0025b37f41e.exe Token: SeSecurityPrivilege 4444 4ecd7ae05d3b303508e747715da3761fe13bd4d5947d287db631a0025b37f41e.exe Token: SeTakeOwnershipPrivilege 4444 4ecd7ae05d3b303508e747715da3761fe13bd4d5947d287db631a0025b37f41e.exe Token: SeLoadDriverPrivilege 4444 4ecd7ae05d3b303508e747715da3761fe13bd4d5947d287db631a0025b37f41e.exe Token: SeSystemProfilePrivilege 4444 4ecd7ae05d3b303508e747715da3761fe13bd4d5947d287db631a0025b37f41e.exe Token: SeSystemtimePrivilege 4444 4ecd7ae05d3b303508e747715da3761fe13bd4d5947d287db631a0025b37f41e.exe Token: SeProfSingleProcessPrivilege 4444 4ecd7ae05d3b303508e747715da3761fe13bd4d5947d287db631a0025b37f41e.exe Token: SeIncBasePriorityPrivilege 4444 4ecd7ae05d3b303508e747715da3761fe13bd4d5947d287db631a0025b37f41e.exe Token: SeCreatePagefilePrivilege 4444 4ecd7ae05d3b303508e747715da3761fe13bd4d5947d287db631a0025b37f41e.exe Token: SeBackupPrivilege 4444 4ecd7ae05d3b303508e747715da3761fe13bd4d5947d287db631a0025b37f41e.exe Token: SeRestorePrivilege 4444 4ecd7ae05d3b303508e747715da3761fe13bd4d5947d287db631a0025b37f41e.exe Token: SeShutdownPrivilege 4444 4ecd7ae05d3b303508e747715da3761fe13bd4d5947d287db631a0025b37f41e.exe Token: SeDebugPrivilege 4444 4ecd7ae05d3b303508e747715da3761fe13bd4d5947d287db631a0025b37f41e.exe Token: SeSystemEnvironmentPrivilege 4444 4ecd7ae05d3b303508e747715da3761fe13bd4d5947d287db631a0025b37f41e.exe Token: SeChangeNotifyPrivilege 4444 4ecd7ae05d3b303508e747715da3761fe13bd4d5947d287db631a0025b37f41e.exe Token: SeRemoteShutdownPrivilege 4444 4ecd7ae05d3b303508e747715da3761fe13bd4d5947d287db631a0025b37f41e.exe Token: SeUndockPrivilege 4444 4ecd7ae05d3b303508e747715da3761fe13bd4d5947d287db631a0025b37f41e.exe Token: SeManageVolumePrivilege 4444 4ecd7ae05d3b303508e747715da3761fe13bd4d5947d287db631a0025b37f41e.exe Token: SeImpersonatePrivilege 4444 4ecd7ae05d3b303508e747715da3761fe13bd4d5947d287db631a0025b37f41e.exe Token: SeCreateGlobalPrivilege 4444 4ecd7ae05d3b303508e747715da3761fe13bd4d5947d287db631a0025b37f41e.exe Token: 33 4444 4ecd7ae05d3b303508e747715da3761fe13bd4d5947d287db631a0025b37f41e.exe Token: 34 4444 4ecd7ae05d3b303508e747715da3761fe13bd4d5947d287db631a0025b37f41e.exe Token: 35 4444 4ecd7ae05d3b303508e747715da3761fe13bd4d5947d287db631a0025b37f41e.exe Token: 36 4444 4ecd7ae05d3b303508e747715da3761fe13bd4d5947d287db631a0025b37f41e.exe Token: SeIncreaseQuotaPrivilege 2816 explorer.exe Token: SeSecurityPrivilege 2816 explorer.exe Token: SeTakeOwnershipPrivilege 2816 explorer.exe Token: SeLoadDriverPrivilege 2816 explorer.exe Token: SeSystemProfilePrivilege 2816 explorer.exe Token: SeSystemtimePrivilege 2816 explorer.exe Token: SeProfSingleProcessPrivilege 2816 explorer.exe Token: SeIncBasePriorityPrivilege 2816 explorer.exe Token: SeCreatePagefilePrivilege 2816 explorer.exe Token: SeBackupPrivilege 2816 explorer.exe Token: SeRestorePrivilege 2816 explorer.exe Token: SeShutdownPrivilege 2816 explorer.exe Token: SeDebugPrivilege 2816 explorer.exe Token: SeSystemEnvironmentPrivilege 2816 explorer.exe Token: SeChangeNotifyPrivilege 2816 explorer.exe Token: SeRemoteShutdownPrivilege 2816 explorer.exe Token: SeUndockPrivilege 2816 explorer.exe Token: SeManageVolumePrivilege 2816 explorer.exe Token: SeImpersonatePrivilege 2816 explorer.exe Token: SeCreateGlobalPrivilege 2816 explorer.exe Token: 33 2816 explorer.exe Token: 34 2816 explorer.exe Token: 35 2816 explorer.exe Token: 36 2816 explorer.exe - Suspicious use of SetWindowsHookEx 1 IoCs
pid Process 2816 explorer.exe - Suspicious use of WriteProcessMemory 45 IoCs
description pid Process procid_target PID 4444 wrote to memory of 1564 4444 4ecd7ae05d3b303508e747715da3761fe13bd4d5947d287db631a0025b37f41e.exe 80 PID 4444 wrote to memory of 1564 4444 4ecd7ae05d3b303508e747715da3761fe13bd4d5947d287db631a0025b37f41e.exe 80 PID 4444 wrote to memory of 1564 4444 4ecd7ae05d3b303508e747715da3761fe13bd4d5947d287db631a0025b37f41e.exe 80 PID 4444 wrote to memory of 1564 4444 4ecd7ae05d3b303508e747715da3761fe13bd4d5947d287db631a0025b37f41e.exe 80 PID 4444 wrote to memory of 1564 4444 4ecd7ae05d3b303508e747715da3761fe13bd4d5947d287db631a0025b37f41e.exe 80 PID 4444 wrote to memory of 1564 4444 4ecd7ae05d3b303508e747715da3761fe13bd4d5947d287db631a0025b37f41e.exe 80 PID 4444 wrote to memory of 1564 4444 4ecd7ae05d3b303508e747715da3761fe13bd4d5947d287db631a0025b37f41e.exe 80 PID 4444 wrote to memory of 1564 4444 4ecd7ae05d3b303508e747715da3761fe13bd4d5947d287db631a0025b37f41e.exe 80 PID 4444 wrote to memory of 1564 4444 4ecd7ae05d3b303508e747715da3761fe13bd4d5947d287db631a0025b37f41e.exe 80 PID 4444 wrote to memory of 1564 4444 4ecd7ae05d3b303508e747715da3761fe13bd4d5947d287db631a0025b37f41e.exe 80 PID 4444 wrote to memory of 1564 4444 4ecd7ae05d3b303508e747715da3761fe13bd4d5947d287db631a0025b37f41e.exe 80 PID 4444 wrote to memory of 1564 4444 4ecd7ae05d3b303508e747715da3761fe13bd4d5947d287db631a0025b37f41e.exe 80 PID 4444 wrote to memory of 1564 4444 4ecd7ae05d3b303508e747715da3761fe13bd4d5947d287db631a0025b37f41e.exe 80 PID 4444 wrote to memory of 1564 4444 4ecd7ae05d3b303508e747715da3761fe13bd4d5947d287db631a0025b37f41e.exe 80 PID 4444 wrote to memory of 1564 4444 4ecd7ae05d3b303508e747715da3761fe13bd4d5947d287db631a0025b37f41e.exe 80 PID 4444 wrote to memory of 1564 4444 4ecd7ae05d3b303508e747715da3761fe13bd4d5947d287db631a0025b37f41e.exe 80 PID 4444 wrote to memory of 1564 4444 4ecd7ae05d3b303508e747715da3761fe13bd4d5947d287db631a0025b37f41e.exe 80 PID 4444 wrote to memory of 1564 4444 4ecd7ae05d3b303508e747715da3761fe13bd4d5947d287db631a0025b37f41e.exe 80 PID 4444 wrote to memory of 1564 4444 4ecd7ae05d3b303508e747715da3761fe13bd4d5947d287db631a0025b37f41e.exe 80 PID 4444 wrote to memory of 1564 4444 4ecd7ae05d3b303508e747715da3761fe13bd4d5947d287db631a0025b37f41e.exe 80 PID 4444 wrote to memory of 1564 4444 4ecd7ae05d3b303508e747715da3761fe13bd4d5947d287db631a0025b37f41e.exe 80 PID 4444 wrote to memory of 1564 4444 4ecd7ae05d3b303508e747715da3761fe13bd4d5947d287db631a0025b37f41e.exe 80 PID 4444 wrote to memory of 1564 4444 4ecd7ae05d3b303508e747715da3761fe13bd4d5947d287db631a0025b37f41e.exe 80 PID 4444 wrote to memory of 2816 4444 4ecd7ae05d3b303508e747715da3761fe13bd4d5947d287db631a0025b37f41e.exe 81 PID 4444 wrote to memory of 2816 4444 4ecd7ae05d3b303508e747715da3761fe13bd4d5947d287db631a0025b37f41e.exe 81 PID 4444 wrote to memory of 2816 4444 4ecd7ae05d3b303508e747715da3761fe13bd4d5947d287db631a0025b37f41e.exe 81 PID 4444 wrote to memory of 2816 4444 4ecd7ae05d3b303508e747715da3761fe13bd4d5947d287db631a0025b37f41e.exe 81 PID 4444 wrote to memory of 2816 4444 4ecd7ae05d3b303508e747715da3761fe13bd4d5947d287db631a0025b37f41e.exe 81 PID 4444 wrote to memory of 4800 4444 4ecd7ae05d3b303508e747715da3761fe13bd4d5947d287db631a0025b37f41e.exe 82 PID 4444 wrote to memory of 4800 4444 4ecd7ae05d3b303508e747715da3761fe13bd4d5947d287db631a0025b37f41e.exe 82 PID 4444 wrote to memory of 4800 4444 4ecd7ae05d3b303508e747715da3761fe13bd4d5947d287db631a0025b37f41e.exe 82 PID 4444 wrote to memory of 4800 4444 4ecd7ae05d3b303508e747715da3761fe13bd4d5947d287db631a0025b37f41e.exe 82 PID 4444 wrote to memory of 4800 4444 4ecd7ae05d3b303508e747715da3761fe13bd4d5947d287db631a0025b37f41e.exe 82 PID 4444 wrote to memory of 4800 4444 4ecd7ae05d3b303508e747715da3761fe13bd4d5947d287db631a0025b37f41e.exe 82 PID 4444 wrote to memory of 4800 4444 4ecd7ae05d3b303508e747715da3761fe13bd4d5947d287db631a0025b37f41e.exe 82 PID 4444 wrote to memory of 4800 4444 4ecd7ae05d3b303508e747715da3761fe13bd4d5947d287db631a0025b37f41e.exe 82 PID 4444 wrote to memory of 4800 4444 4ecd7ae05d3b303508e747715da3761fe13bd4d5947d287db631a0025b37f41e.exe 82 PID 4444 wrote to memory of 4800 4444 4ecd7ae05d3b303508e747715da3761fe13bd4d5947d287db631a0025b37f41e.exe 82 PID 4444 wrote to memory of 4800 4444 4ecd7ae05d3b303508e747715da3761fe13bd4d5947d287db631a0025b37f41e.exe 82 PID 4444 wrote to memory of 4800 4444 4ecd7ae05d3b303508e747715da3761fe13bd4d5947d287db631a0025b37f41e.exe 82 PID 4444 wrote to memory of 4800 4444 4ecd7ae05d3b303508e747715da3761fe13bd4d5947d287db631a0025b37f41e.exe 82 PID 4444 wrote to memory of 4800 4444 4ecd7ae05d3b303508e747715da3761fe13bd4d5947d287db631a0025b37f41e.exe 82 PID 4444 wrote to memory of 4800 4444 4ecd7ae05d3b303508e747715da3761fe13bd4d5947d287db631a0025b37f41e.exe 82 PID 4444 wrote to memory of 4800 4444 4ecd7ae05d3b303508e747715da3761fe13bd4d5947d287db631a0025b37f41e.exe 82 PID 4444 wrote to memory of 4800 4444 4ecd7ae05d3b303508e747715da3761fe13bd4d5947d287db631a0025b37f41e.exe 82
Processes
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C:\Users\Admin\AppData\Local\Temp\4ecd7ae05d3b303508e747715da3761fe13bd4d5947d287db631a0025b37f41e.exe"C:\Users\Admin\AppData\Local\Temp\4ecd7ae05d3b303508e747715da3761fe13bd4d5947d287db631a0025b37f41e.exe"1⤵
- Modifies WinLogon for persistence
- Checks BIOS information in registry
- Adds Run key to start application
- Drops file in System32 directory
- Suspicious use of SetThreadContext
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4444 -
C:\Windows\SysWOW64\notepad.exenotepad2⤵
- Adds Run key to start application
- Drops file in System32 directory
PID:1564
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C:\Windows\SysWOW64\explorer.exe"C:\Windows\SysWOW64\explorer.exe"2⤵
- Checks BIOS information in registry
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
PID:2816
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C:\Windows\SysWOW64\notepad.exeC:\Windows\SysWOW64\notepad.exe2⤵PID:4800
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Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
- Path C:\Windows\SysWOW64\Windupdt\winupdate.exe
- Size 756KB
- SHA256 4ecd7ae05d3b303508e747715da3761fe13bd4d5947d287db631a0025b37f41e
- MD5 41102e22089468f6ff2a4fdf67899233
- SHA1 bb5c30cc182a2e5ea174b12872344c999c142add
- SHA512 56b6a673a8db5d1a9cb381e499c3b76a77d3af00cd0e02a665c68f2e93e51fcb88022619f1bb2447bfb7322850befa7fae14e9f9a6f3daca83d48a60ccfc3c77
- SSDEEP 12288:l9AFlAd0Z+89cxTGzO4AucTD8QP2lmFSrVs9LqnKaFIIhII:DAQ6Zx9cxTmOrucTIEFSpOG
- MD5 SHA1 SHA512 SSDEEP