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Analysis
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max time kernel
154s -
max time network
173s -
platform
windows10-2004_x64 -
resource
win10v2004-20220812-en -
resource tags
arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system -
submitted
30/10/2022, 16:29
Static task
static1
Behavioral task
behavioral1
Sample
e73a0ac584136fd4930b4433306f03a8eed4acc444faa15ccde110d47d3e6d1a.exe
Resource
win7-20220901-en
windows7-x64
2 signatures
150 seconds
General
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Target
e73a0ac584136fd4930b4433306f03a8eed4acc444faa15ccde110d47d3e6d1a.exe
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Size
900KB
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MD5
8299d580007407a50cbce9665bb7c5cd
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SHA1
c40340b9dad89423dcc9fa113ea3ec68ab60d124
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SHA256
e73a0ac584136fd4930b4433306f03a8eed4acc444faa15ccde110d47d3e6d1a
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SHA512
e7c5d21490586c5729eb2ad10d12dcb95546e1eb476d2e80348beaa8e58786f60a40e2efc3b440c33dbd351b9e4a0e25ea841d30c5c8a9f298c9542da9a34c92
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SSDEEP
12288:IszqX+Teo7IiQ7heyy7e2dIiWQYu6vApvS1I2FMubxu9Pm:IlX+TZ7IV7D2dchu6vAhdW
Malware Config
Signatures
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Executes dropped EXE 1 IoCs
pid Process 1136 TrustedInstaller.exe -
Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
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Enumerates connected drives 3 TTPs 22 IoCs
Attempts to read the root path of hard drives other than the default C: drive.
description ioc Process File opened (read-only) \??\O: e73a0ac584136fd4930b4433306f03a8eed4acc444faa15ccde110d47d3e6d1a.exe File opened (read-only) \??\Q: e73a0ac584136fd4930b4433306f03a8eed4acc444faa15ccde110d47d3e6d1a.exe File opened (read-only) \??\T: e73a0ac584136fd4930b4433306f03a8eed4acc444faa15ccde110d47d3e6d1a.exe File opened (read-only) \??\E: e73a0ac584136fd4930b4433306f03a8eed4acc444faa15ccde110d47d3e6d1a.exe File opened (read-only) \??\H: e73a0ac584136fd4930b4433306f03a8eed4acc444faa15ccde110d47d3e6d1a.exe File opened (read-only) \??\I: e73a0ac584136fd4930b4433306f03a8eed4acc444faa15ccde110d47d3e6d1a.exe File opened (read-only) \??\K: e73a0ac584136fd4930b4433306f03a8eed4acc444faa15ccde110d47d3e6d1a.exe File opened (read-only) \??\N: e73a0ac584136fd4930b4433306f03a8eed4acc444faa15ccde110d47d3e6d1a.exe File opened (read-only) \??\Z: e73a0ac584136fd4930b4433306f03a8eed4acc444faa15ccde110d47d3e6d1a.exe File opened (read-only) \??\V: e73a0ac584136fd4930b4433306f03a8eed4acc444faa15ccde110d47d3e6d1a.exe File opened (read-only) \??\W: e73a0ac584136fd4930b4433306f03a8eed4acc444faa15ccde110d47d3e6d1a.exe File opened (read-only) \??\J: e73a0ac584136fd4930b4433306f03a8eed4acc444faa15ccde110d47d3e6d1a.exe File opened (read-only) \??\L: e73a0ac584136fd4930b4433306f03a8eed4acc444faa15ccde110d47d3e6d1a.exe File opened (read-only) \??\P: e73a0ac584136fd4930b4433306f03a8eed4acc444faa15ccde110d47d3e6d1a.exe File opened (read-only) \??\S: e73a0ac584136fd4930b4433306f03a8eed4acc444faa15ccde110d47d3e6d1a.exe File opened (read-only) \??\X: e73a0ac584136fd4930b4433306f03a8eed4acc444faa15ccde110d47d3e6d1a.exe File opened (read-only) \??\Y: e73a0ac584136fd4930b4433306f03a8eed4acc444faa15ccde110d47d3e6d1a.exe File opened (read-only) \??\F: e73a0ac584136fd4930b4433306f03a8eed4acc444faa15ccde110d47d3e6d1a.exe File opened (read-only) \??\G: e73a0ac584136fd4930b4433306f03a8eed4acc444faa15ccde110d47d3e6d1a.exe File opened (read-only) \??\M: e73a0ac584136fd4930b4433306f03a8eed4acc444faa15ccde110d47d3e6d1a.exe File opened (read-only) \??\R: e73a0ac584136fd4930b4433306f03a8eed4acc444faa15ccde110d47d3e6d1a.exe File opened (read-only) \??\U: e73a0ac584136fd4930b4433306f03a8eed4acc444faa15ccde110d47d3e6d1a.exe -
Drops file in System32 directory 27 IoCs
description ioc Process File opened for modification \??\c:\windows\SysWOW64\sgrmbroker.exe e73a0ac584136fd4930b4433306f03a8eed4acc444faa15ccde110d47d3e6d1a.exe File opened for modification \??\c:\windows\SysWOW64\openssh\ssh-agent.exe e73a0ac584136fd4930b4433306f03a8eed4acc444faa15ccde110d47d3e6d1a.exe File opened for modification C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe e73a0ac584136fd4930b4433306f03a8eed4acc444faa15ccde110d47d3e6d1a.exe File opened for modification \??\c:\windows\SysWOW64\alg.exe e73a0ac584136fd4930b4433306f03a8eed4acc444faa15ccde110d47d3e6d1a.exe File opened for modification \??\c:\windows\SysWOW64\msdtc.exe e73a0ac584136fd4930b4433306f03a8eed4acc444faa15ccde110d47d3e6d1a.exe File opened for modification \??\c:\windows\SysWOW64\wbengine.exe e73a0ac584136fd4930b4433306f03a8eed4acc444faa15ccde110d47d3e6d1a.exe File opened for modification \??\c:\windows\SysWOW64\perfhost.exe e73a0ac584136fd4930b4433306f03a8eed4acc444faa15ccde110d47d3e6d1a.exe File opened for modification \??\c:\windows\SysWOW64\Agentservice.exe e73a0ac584136fd4930b4433306f03a8eed4acc444faa15ccde110d47d3e6d1a.exe File opened for modification \??\c:\windows\SysWOW64\vssvc.exe e73a0ac584136fd4930b4433306f03a8eed4acc444faa15ccde110d47d3e6d1a.exe File opened for modification \??\c:\windows\SysWOW64\vds.exe e73a0ac584136fd4930b4433306f03a8eed4acc444faa15ccde110d47d3e6d1a.exe File opened for modification \??\c:\windows\SysWOW64\searchindexer.exe e73a0ac584136fd4930b4433306f03a8eed4acc444faa15ccde110d47d3e6d1a.exe File created C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.vir e73a0ac584136fd4930b4433306f03a8eed4acc444faa15ccde110d47d3e6d1a.exe File opened for modification \??\c:\windows\SysWOW64\dllhost.exe e73a0ac584136fd4930b4433306f03a8eed4acc444faa15ccde110d47d3e6d1a.exe File created \??\c:\windows\SysWOW64\msiexec.vir e73a0ac584136fd4930b4433306f03a8eed4acc444faa15ccde110d47d3e6d1a.exe File opened for modification \??\c:\windows\SysWOW64\snmptrap.exe e73a0ac584136fd4930b4433306f03a8eed4acc444faa15ccde110d47d3e6d1a.exe File opened for modification \??\c:\windows\SysWOW64\tieringengineservice.exe e73a0ac584136fd4930b4433306f03a8eed4acc444faa15ccde110d47d3e6d1a.exe File opened for modification \??\c:\windows\SysWOW64\wbem\wmiApsrv.exe e73a0ac584136fd4930b4433306f03a8eed4acc444faa15ccde110d47d3e6d1a.exe File opened for modification \??\c:\windows\SysWOW64\diagsvcs\diagnosticshub.standardcollector.service.exe e73a0ac584136fd4930b4433306f03a8eed4acc444faa15ccde110d47d3e6d1a.exe File opened for modification \??\c:\windows\SysWOW64\locator.exe e73a0ac584136fd4930b4433306f03a8eed4acc444faa15ccde110d47d3e6d1a.exe File opened for modification \??\c:\windows\SysWOW64\sensordataservice.exe e73a0ac584136fd4930b4433306f03a8eed4acc444faa15ccde110d47d3e6d1a.exe File opened for modification \??\c:\windows\SysWOW64\Appvclient.exe e73a0ac584136fd4930b4433306f03a8eed4acc444faa15ccde110d47d3e6d1a.exe File opened for modification \??\c:\windows\SysWOW64\fxssvc.exe e73a0ac584136fd4930b4433306f03a8eed4acc444faa15ccde110d47d3e6d1a.exe File opened for modification \??\c:\windows\SysWOW64\spectrum.exe e73a0ac584136fd4930b4433306f03a8eed4acc444faa15ccde110d47d3e6d1a.exe File opened for modification \??\c:\windows\SysWOW64\svchost.exe e73a0ac584136fd4930b4433306f03a8eed4acc444faa15ccde110d47d3e6d1a.exe File opened for modification \??\c:\windows\SysWOW64\lsass.exe e73a0ac584136fd4930b4433306f03a8eed4acc444faa15ccde110d47d3e6d1a.exe File opened for modification \??\c:\windows\SysWOW64\msiexec.exe e73a0ac584136fd4930b4433306f03a8eed4acc444faa15ccde110d47d3e6d1a.exe File opened for modification \??\c:\windows\SysWOW64\perceptionsimulation\perceptionsimulationservice.exe e73a0ac584136fd4930b4433306f03a8eed4acc444faa15ccde110d47d3e6d1a.exe -
Drops file in Program Files directory 22 IoCs
description ioc Process File opened for modification \??\c:\program files (x86)\microsoft\edge\Application\92.0.902.67\elevation_service.exe e73a0ac584136fd4930b4433306f03a8eed4acc444faa15ccde110d47d3e6d1a.exe File opened for modification C:\Program Files\7-Zip\7zFM.exe e73a0ac584136fd4930b4433306f03a8eed4acc444faa15ccde110d47d3e6d1a.exe File opened for modification C:\Program Files\7-Zip\Uninstall.exe e73a0ac584136fd4930b4433306f03a8eed4acc444faa15ccde110d47d3e6d1a.exe File opened for modification C:\Program Files\Common Files\microsoft shared\ClickToRun\appvcleaner.exe e73a0ac584136fd4930b4433306f03a8eed4acc444faa15ccde110d47d3e6d1a.exe File created C:\Program Files\Common Files\microsoft shared\ClickToRun\MavInject32.vir e73a0ac584136fd4930b4433306f03a8eed4acc444faa15ccde110d47d3e6d1a.exe File opened for modification C:\Program Files\Common Files\microsoft shared\ClickToRun\OfficeClickToRun.exe e73a0ac584136fd4930b4433306f03a8eed4acc444faa15ccde110d47d3e6d1a.exe File opened for modification C:\Program Files\Common Files\microsoft shared\ClickToRun\InspectorOfficeGadget.exe e73a0ac584136fd4930b4433306f03a8eed4acc444faa15ccde110d47d3e6d1a.exe File opened for modification C:\Program Files\Common Files\microsoft shared\ClickToRun\MavInject32.exe e73a0ac584136fd4930b4433306f03a8eed4acc444faa15ccde110d47d3e6d1a.exe File opened for modification \??\c:\program files\google\chrome\Application\89.0.4389.114\elevation_service.exe e73a0ac584136fd4930b4433306f03a8eed4acc444faa15ccde110d47d3e6d1a.exe File opened for modification \??\c:\program files\common files\microsoft shared\source engine\ose.exe e73a0ac584136fd4930b4433306f03a8eed4acc444faa15ccde110d47d3e6d1a.exe File opened for modification \??\c:\program files\windows media player\wmpnetwk.exe e73a0ac584136fd4930b4433306f03a8eed4acc444faa15ccde110d47d3e6d1a.exe File opened for modification C:\Program Files\Internet Explorer\iexplore.exe e73a0ac584136fd4930b4433306f03a8eed4acc444faa15ccde110d47d3e6d1a.exe File opened for modification C:\Program Files\7-Zip\7zG.exe e73a0ac584136fd4930b4433306f03a8eed4acc444faa15ccde110d47d3e6d1a.exe File created C:\Program Files\7-Zip\Uninstall.vir e73a0ac584136fd4930b4433306f03a8eed4acc444faa15ccde110d47d3e6d1a.exe File opened for modification C:\Program Files\Common Files\microsoft shared\ClickToRun\OfficeC2RClient.exe e73a0ac584136fd4930b4433306f03a8eed4acc444faa15ccde110d47d3e6d1a.exe File opened for modification C:\Program Files\Common Files\microsoft shared\ink\InputPersonalization.exe e73a0ac584136fd4930b4433306f03a8eed4acc444faa15ccde110d47d3e6d1a.exe File opened for modification \??\c:\program files (x86)\google\update\googleupdate.exe e73a0ac584136fd4930b4433306f03a8eed4acc444faa15ccde110d47d3e6d1a.exe File opened for modification \??\c:\program files (x86)\mozilla maintenance service\maintenanceservice.exe e73a0ac584136fd4930b4433306f03a8eed4acc444faa15ccde110d47d3e6d1a.exe File opened for modification C:\Program Files\7-Zip\7z.exe e73a0ac584136fd4930b4433306f03a8eed4acc444faa15ccde110d47d3e6d1a.exe File opened for modification C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe e73a0ac584136fd4930b4433306f03a8eed4acc444faa15ccde110d47d3e6d1a.exe File opened for modification C:\Program Files\Common Files\microsoft shared\ClickToRun\AppVShNotify.exe e73a0ac584136fd4930b4433306f03a8eed4acc444faa15ccde110d47d3e6d1a.exe File opened for modification C:\Program Files\Common Files\microsoft shared\ClickToRun\IntegratedOffice.exe e73a0ac584136fd4930b4433306f03a8eed4acc444faa15ccde110d47d3e6d1a.exe -
Drops file in Windows directory 5 IoCs
description ioc Process File created C:\Windows\wmsetup.log e73a0ac584136fd4930b4433306f03a8eed4acc444faa15ccde110d47d3e6d1a.exe File opened for modification \??\c:\windows\microsoft.net\framework64\v3.0\wpf\presentationfontcache.exe e73a0ac584136fd4930b4433306f03a8eed4acc444faa15ccde110d47d3e6d1a.exe File opened for modification \??\c:\windows\servicing\trustedinstaller.exe e73a0ac584136fd4930b4433306f03a8eed4acc444faa15ccde110d47d3e6d1a.exe File created C:\Windows\Logs\CBS\CBS.log TrustedInstaller.exe File opened for modification C:\Windows\Logs\CBS\CBS.log TrustedInstaller.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
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Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeTakeOwnershipPrivilege 1416 e73a0ac584136fd4930b4433306f03a8eed4acc444faa15ccde110d47d3e6d1a.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\e73a0ac584136fd4930b4433306f03a8eed4acc444faa15ccde110d47d3e6d1a.exe"C:\Users\Admin\AppData\Local\Temp\e73a0ac584136fd4930b4433306f03a8eed4acc444faa15ccde110d47d3e6d1a.exe"1⤵
- Enumerates connected drives
- Drops file in System32 directory
- Drops file in Program Files directory
- Drops file in Windows directory
- Suspicious use of AdjustPrivilegeToken
PID:1416
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C:\Windows\servicing\TrustedInstaller.exeC:\Windows\servicing\TrustedInstaller.exe1⤵
- Executes dropped EXE
- Drops file in Windows directory
PID:1136
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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Filesize
193KB
MD5805418acd5280e97074bdadca4d95195
SHA1a69e4f03d775a7a0cc5ed2d5569cbfbb4d31d2d6
SHA25673684e31ad4afe3fdc525b51ccaacc14d402c92db9c42e3fcbfe1e65524b1c01
SHA512630a255950c0ae0983ae907d20326adea36ce262c7784428a0811b04726849c929bc9cea338a89e77447a6cec30b0889694158327c002566d3cf5be2bb88e4de