Analysis
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max time kernel
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max time network
194s -
platform
windows10-2004_x64 -
resource
win10v2004-20221111-en -
resource tags
arch:x64arch:x86image:win10v2004-20221111-enlocale:en-usos:windows10-2004-x64system -
submitted
27/11/2022, 12:59
Static task
static1
Behavioral task
behavioral1
Sample
1d60df9f97706f33b92fa34b286c02bec9389ff2ef73646c1f95b1cfdac8f3e6.exe
Resource
win7-20220901-en
Behavioral task
behavioral2
Sample
1d60df9f97706f33b92fa34b286c02bec9389ff2ef73646c1f95b1cfdac8f3e6.exe
Resource
win10v2004-20221111-en
General
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Target
1d60df9f97706f33b92fa34b286c02bec9389ff2ef73646c1f95b1cfdac8f3e6.exe
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Size
219KB
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MD5
cab70856277990b79638926e2c7baf0e
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SHA1
0954b55b2635ccfb40615797e21f22b0994d9ae1
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SHA256
1d60df9f97706f33b92fa34b286c02bec9389ff2ef73646c1f95b1cfdac8f3e6
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SHA512
d328106673405f113d25b1efaa33eea1d48f40b55ea9acb44967ab8f0b6de18a849fb98e5cec5e2ed92fceef4765e146978bd099aed7ed7688a76ff80776601b
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SSDEEP
6144:uGEk09b0kj83qSF//KfucgfDZjb04I03cFd:Od83pZ/G7gf904pO
Malware Config
Signatures
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Sets file execution options in registry 2 TTPs 2 IoCs
description ioc Process Key created \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\muvrbbecn.exe 1d60df9f97706f33b92fa34b286c02bec9389ff2ef73646c1f95b1cfdac8f3e6.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\muvrbbecn.exe\DisableExceptionChainValidation 1d60df9f97706f33b92fa34b286c02bec9389ff2ef73646c1f95b1cfdac8f3e6.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-1-5-21-4246620582-653642754-1174164128-1000\Control Panel\International\Geo\Nation 1d60df9f97706f33b92fa34b286c02bec9389ff2ef73646c1f95b1cfdac8f3e6.exe -
Checks for any installed AV software in registry 1 TTPs 2 IoCs
description ioc Process Key opened \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Avira 1d60df9f97706f33b92fa34b286c02bec9389ff2ef73646c1f95b1cfdac8f3e6.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\services\avast! Antivirus 1d60df9f97706f33b92fa34b286c02bec9389ff2ef73646c1f95b1cfdac8f3e6.exe -
Drops desktop.ini file(s) 1 IoCs
description ioc Process File created C:\ProgramData\randomfolder\desktop.ini 1d60df9f97706f33b92fa34b286c02bec9389ff2ef73646c1f95b1cfdac8f3e6.exe -
Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 2560 set thread context of 2732 2560 1d60df9f97706f33b92fa34b286c02bec9389ff2ef73646c1f95b1cfdac8f3e6.exe 88 -
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 4 IoCs
Processor information is often read in order to detect sandboxing environments.
description ioc Process Key opened \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\2 1d60df9f97706f33b92fa34b286c02bec9389ff2ef73646c1f95b1cfdac8f3e6.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString 1d60df9f97706f33b92fa34b286c02bec9389ff2ef73646c1f95b1cfdac8f3e6.exe Key opened \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0 1d60df9f97706f33b92fa34b286c02bec9389ff2ef73646c1f95b1cfdac8f3e6.exe Key opened \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\1 1d60df9f97706f33b92fa34b286c02bec9389ff2ef73646c1f95b1cfdac8f3e6.exe -
Creates scheduled task(s) 1 TTPs 1 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
pid Process 4152 schtasks.exe -
Modifies registry class 6 IoCs
description ioc Process Key created \REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000_Classes\CLSID\{B869456A-1A43-8B48-B2AF-8C84C39BA9A0} 1d60df9f97706f33b92fa34b286c02bec9389ff2ef73646c1f95b1cfdac8f3e6.exe Key created \REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000_Classes\CLSID\{B869456A-1A43-8B48-B2AF-8C84C39BA9A0}\6E4B08B2 1d60df9f97706f33b92fa34b286c02bec9389ff2ef73646c1f95b1cfdac8f3e6.exe Set value (data) \REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000_Classes\CLSID\{B869456A-1A43-8B48-B2AF-8C84C39BA9A0}\6E4B08B2\CG1\HAL = 05ee0000 1d60df9f97706f33b92fa34b286c02bec9389ff2ef73646c1f95b1cfdac8f3e6.exe Set value (data) \REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000_Classes\CLSID\{B869456A-1A43-8B48-B2AF-8C84C39BA9A0}\6E4B08B2\CG1\BID = 200008001c000b00e6070000140000001c000a002d003300000000005f918463 1d60df9f97706f33b92fa34b286c02bec9389ff2ef73646c1f95b1cfdac8f3e6.exe Key created \REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000_Classes\CLSID\{B869456A-1A43-8B48-B2AF-8C84C39BA9A0}\6E4B08B2\CG1 1d60df9f97706f33b92fa34b286c02bec9389ff2ef73646c1f95b1cfdac8f3e6.exe Key created \REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000_Classes\CLSID 1d60df9f97706f33b92fa34b286c02bec9389ff2ef73646c1f95b1cfdac8f3e6.exe -
Suspicious behavior: EnumeratesProcesses 4 IoCs
pid Process 2560 1d60df9f97706f33b92fa34b286c02bec9389ff2ef73646c1f95b1cfdac8f3e6.exe 2560 1d60df9f97706f33b92fa34b286c02bec9389ff2ef73646c1f95b1cfdac8f3e6.exe 2560 1d60df9f97706f33b92fa34b286c02bec9389ff2ef73646c1f95b1cfdac8f3e6.exe 2560 1d60df9f97706f33b92fa34b286c02bec9389ff2ef73646c1f95b1cfdac8f3e6.exe -
Suspicious behavior: MapViewOfSection 2 IoCs
pid Process 2732 1d60df9f97706f33b92fa34b286c02bec9389ff2ef73646c1f95b1cfdac8f3e6.exe 2732 1d60df9f97706f33b92fa34b286c02bec9389ff2ef73646c1f95b1cfdac8f3e6.exe -
Suspicious behavior: RenamesItself 1 IoCs
pid Process 2732 1d60df9f97706f33b92fa34b286c02bec9389ff2ef73646c1f95b1cfdac8f3e6.exe -
Suspicious use of AdjustPrivilegeToken 4 IoCs
description pid Process Token: SeDebugPrivilege 2560 1d60df9f97706f33b92fa34b286c02bec9389ff2ef73646c1f95b1cfdac8f3e6.exe Token: SeRestorePrivilege 2732 1d60df9f97706f33b92fa34b286c02bec9389ff2ef73646c1f95b1cfdac8f3e6.exe Token: SeBackupPrivilege 2732 1d60df9f97706f33b92fa34b286c02bec9389ff2ef73646c1f95b1cfdac8f3e6.exe Token: SeDebugPrivilege 2732 1d60df9f97706f33b92fa34b286c02bec9389ff2ef73646c1f95b1cfdac8f3e6.exe -
Suspicious use of WriteProcessMemory 21 IoCs
description pid Process procid_target PID 2560 wrote to memory of 1932 2560 1d60df9f97706f33b92fa34b286c02bec9389ff2ef73646c1f95b1cfdac8f3e6.exe 85 PID 2560 wrote to memory of 1932 2560 1d60df9f97706f33b92fa34b286c02bec9389ff2ef73646c1f95b1cfdac8f3e6.exe 85 PID 2560 wrote to memory of 1932 2560 1d60df9f97706f33b92fa34b286c02bec9389ff2ef73646c1f95b1cfdac8f3e6.exe 85 PID 2560 wrote to memory of 4268 2560 1d60df9f97706f33b92fa34b286c02bec9389ff2ef73646c1f95b1cfdac8f3e6.exe 87 PID 2560 wrote to memory of 4268 2560 1d60df9f97706f33b92fa34b286c02bec9389ff2ef73646c1f95b1cfdac8f3e6.exe 87 PID 2560 wrote to memory of 4268 2560 1d60df9f97706f33b92fa34b286c02bec9389ff2ef73646c1f95b1cfdac8f3e6.exe 87 PID 2560 wrote to memory of 2732 2560 1d60df9f97706f33b92fa34b286c02bec9389ff2ef73646c1f95b1cfdac8f3e6.exe 88 PID 2560 wrote to memory of 2732 2560 1d60df9f97706f33b92fa34b286c02bec9389ff2ef73646c1f95b1cfdac8f3e6.exe 88 PID 2560 wrote to memory of 2732 2560 1d60df9f97706f33b92fa34b286c02bec9389ff2ef73646c1f95b1cfdac8f3e6.exe 88 PID 2560 wrote to memory of 2732 2560 1d60df9f97706f33b92fa34b286c02bec9389ff2ef73646c1f95b1cfdac8f3e6.exe 88 PID 2560 wrote to memory of 2732 2560 1d60df9f97706f33b92fa34b286c02bec9389ff2ef73646c1f95b1cfdac8f3e6.exe 88 PID 2560 wrote to memory of 2732 2560 1d60df9f97706f33b92fa34b286c02bec9389ff2ef73646c1f95b1cfdac8f3e6.exe 88 PID 2560 wrote to memory of 2732 2560 1d60df9f97706f33b92fa34b286c02bec9389ff2ef73646c1f95b1cfdac8f3e6.exe 88 PID 2560 wrote to memory of 2732 2560 1d60df9f97706f33b92fa34b286c02bec9389ff2ef73646c1f95b1cfdac8f3e6.exe 88 PID 2560 wrote to memory of 2732 2560 1d60df9f97706f33b92fa34b286c02bec9389ff2ef73646c1f95b1cfdac8f3e6.exe 88 PID 2732 wrote to memory of 4152 2732 1d60df9f97706f33b92fa34b286c02bec9389ff2ef73646c1f95b1cfdac8f3e6.exe 92 PID 2732 wrote to memory of 4152 2732 1d60df9f97706f33b92fa34b286c02bec9389ff2ef73646c1f95b1cfdac8f3e6.exe 92 PID 2732 wrote to memory of 4152 2732 1d60df9f97706f33b92fa34b286c02bec9389ff2ef73646c1f95b1cfdac8f3e6.exe 92 PID 2732 wrote to memory of 4924 2732 1d60df9f97706f33b92fa34b286c02bec9389ff2ef73646c1f95b1cfdac8f3e6.exe 94 PID 2732 wrote to memory of 4924 2732 1d60df9f97706f33b92fa34b286c02bec9389ff2ef73646c1f95b1cfdac8f3e6.exe 94 PID 2732 wrote to memory of 4924 2732 1d60df9f97706f33b92fa34b286c02bec9389ff2ef73646c1f95b1cfdac8f3e6.exe 94
Processes
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C:\Users\Admin\AppData\Local\Temp\1d60df9f97706f33b92fa34b286c02bec9389ff2ef73646c1f95b1cfdac8f3e6.exe"C:\Users\Admin\AppData\Local\Temp\1d60df9f97706f33b92fa34b286c02bec9389ff2ef73646c1f95b1cfdac8f3e6.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2560 -
C:\Users\Admin\AppData\Local\Temp\1d60df9f97706f33b92fa34b286c02bec9389ff2ef73646c1f95b1cfdac8f3e6.exe"C:\Users\Admin\AppData\Local\Temp\1d60df9f97706f33b92fa34b286c02bec9389ff2ef73646c1f95b1cfdac8f3e6.exe"2⤵PID:1932
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C:\Users\Admin\AppData\Local\Temp\1d60df9f97706f33b92fa34b286c02bec9389ff2ef73646c1f95b1cfdac8f3e6.exe"C:\Users\Admin\AppData\Local\Temp\1d60df9f97706f33b92fa34b286c02bec9389ff2ef73646c1f95b1cfdac8f3e6.exe"2⤵PID:4268
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C:\Users\Admin\AppData\Local\Temp\1d60df9f97706f33b92fa34b286c02bec9389ff2ef73646c1f95b1cfdac8f3e6.exe"C:\Users\Admin\AppData\Local\Temp\1d60df9f97706f33b92fa34b286c02bec9389ff2ef73646c1f95b1cfdac8f3e6.exe"2⤵
- Sets file execution options in registry
- Checks computer location settings
- Checks for any installed AV software in registry
- Drops desktop.ini file(s)
- Checks processor information in registry
- Modifies registry class
- Suspicious behavior: MapViewOfSection
- Suspicious behavior: RenamesItself
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2732 -
C:\Windows\SysWOW64\schtasks.exe"C:\Windows\System32\schtasks.exe" /CREATE /SC ONLOGON /TN "Windows Update Check - 0x6E4B08B2" /TR "C:\ProgramData\randomfolder\muvrbbecn.exe" /RL HIGHEST3⤵
- Creates scheduled task(s)
PID:4152
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C:\Windows\SysWOW64\WerFault.exe"C:\Windows\SysWOW64\WerFault.exe"3⤵PID:4924
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