71213be1116e5ace654ee4071e3f2c83e0a39fd0efe0246b1659b9520f31f2b6

Analysis

max time kernel
88s
max time network
49s
platform
windows7_x64
resource
win7-20220812-en
resource tags

arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
submitted
24-11-2022 07:31

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General

Target

hyword/hyword/CnSpeech.msi
Size

1.6MB
MD5

bdcbbeb3efacd00588e4985f6130ca0c
SHA1

633b3f2d0c8ec31ff330782b412f5ca8afe74e07
SHA256

815b26efd13b2b384417bc2168aef628811bf67fe8da3a9e42801e70858ca707
SHA512

a03075f35e8026778715e0c912ec6993b30f92232bdac0064cfcc09dab4e10de33588f903ccfbfe83f2a52d8ec4a9fd1a964e2535fd2f29fa8b40436434bd48a
SSDEEP

49152:a5R8C1SG/DBJwvV7UOgqN8IjutqmBnXhDtVU:S8CQUcgqNvjutDO

Score

8^/10

persistence

Malware Config

Signatures

Registers COM server for autorun 1 TTPs 8 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Processes:

msiexec.exe

description	ioc	process
Set value (data)	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000_CLASSES\Wow6432Node\CLSID\{B267E840-9DBF-4DF8-8D4F-7FE7EB9B4739}\InprocServer32\InprocServer32 = 77007b00750073006e00690068004200670028003f006700490067005b0057003f007b00270051003e002c007a005100520038004900530067004f0039006800490033006c006d004200600075007600700000000000	msiexec.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000_CLASSES\Wow6432Node\CLSID\{AE2CF4DB-3697-45F4-9787-0FC5A37BEB36}\InprocServer32\ThreadingModel = "Both"	msiexec.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000_CLASSES\Wow6432Node\CLSID\{B267E840-9DBF-4DF8-8D4F-7FE7EB9B4739}\InprocServer32\ThreadingModel = "Both"	msiexec.exe
Key created	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000_CLASSES\Wow6432Node\CLSID\{AE2CF4DB-3697-45F4-9787-0FC5A37BEB36}\InprocServer32	msiexec.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000_CLASSES\Wow6432Node\CLSID\{AE2CF4DB-3697-45F4-9787-0FC5A37BEB36}\InprocServer32\ = "C:\\Program Files (x86)\\Common Files\\SpeechEngines\\Microsoft\\TTS\\2052\\SPTTSCHS.DLL"	msiexec.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000_CLASSES\Wow6432Node\CLSID\{AE2CF4DB-3697-45F4-9787-0FC5A37BEB36}\InprocServer32\InprocServer32 = 77007b00750073006e00690068004200670028003f006700490067005b0057003f007b00270051003e002c007a005100520038004900530067004f0039006800490033006c006d004200600075007600700000000000	msiexec.exe
Key created	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000_CLASSES\Wow6432Node\CLSID\{B267E840-9DBF-4DF8-8D4F-7FE7EB9B4739}\InprocServer32	msiexec.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000_CLASSES\Wow6432Node\CLSID\{B267E840-9DBF-4DF8-8D4F-7FE7EB9B4739}\InprocServer32\ = "C:\\Program Files (x86)\\Common Files\\SpeechEngines\\Microsoft\\TTS\\2052\\SPTTSCHS.DLL"	msiexec.exe

Enumerates connected drives 3 TTPs 48 IoCs

Attempts to read the root path of hard drives other than the default C: drive.

Query Registry

T1012

Peripheral Device Discovery

T1120

System Information Discovery

T1082

Processes:

msiexec.exemsiexec.exe

description	ioc	process
File opened (read-only)	\??\G:	msiexec.exe
File opened (read-only)	\??\J:	msiexec.exe
File opened (read-only)	\??\Q:	msiexec.exe
File opened (read-only)	\??\F:	msiexec.exe
File opened (read-only)	\??\L:	msiexec.exe
File opened (read-only)	\??\N:	msiexec.exe
File opened (read-only)	\??\T:	msiexec.exe
File opened (read-only)	\??\A:	msiexec.exe
File opened (read-only)	\??\H:	msiexec.exe
File opened (read-only)	\??\N:	msiexec.exe
File opened (read-only)	\??\P:	msiexec.exe
File opened (read-only)	\??\T:	msiexec.exe
File opened (read-only)	\??\V:	msiexec.exe
File opened (read-only)	\??\A:	msiexec.exe
File opened (read-only)	\??\J:	msiexec.exe
File opened (read-only)	\??\U:	msiexec.exe
File opened (read-only)	\??\V:	msiexec.exe
File opened (read-only)	\??\X:	msiexec.exe
File opened (read-only)	\??\F:	msiexec.exe
File opened (read-only)	\??\K:	msiexec.exe
File opened (read-only)	\??\M:	msiexec.exe
File opened (read-only)	\??\O:	msiexec.exe
File opened (read-only)	\??\B:	msiexec.exe
File opened (read-only)	\??\E:	msiexec.exe
File opened (read-only)	\??\L:	msiexec.exe
File opened (read-only)	\??\R:	msiexec.exe
File opened (read-only)	\??\E:	msiexec.exe
File opened (read-only)	\??\K:	msiexec.exe
File opened (read-only)	\??\R:	msiexec.exe
File opened (read-only)	\??\Z:	msiexec.exe
File opened (read-only)	\??\I:	msiexec.exe
File opened (read-only)	\??\Z:	msiexec.exe
File opened (read-only)	\??\B:	msiexec.exe
File opened (read-only)	\??\M:	msiexec.exe
File opened (read-only)	\??\W:	msiexec.exe
File opened (read-only)	\??\X:	msiexec.exe
File opened (read-only)	\??\Y:	msiexec.exe
File opened (read-only)	\??\I:	msiexec.exe
File opened (read-only)	\??\P:	msiexec.exe
File opened (read-only)	\??\Y:	msiexec.exe
File opened (read-only)	\??\S:	msiexec.exe
File opened (read-only)	\??\H:	msiexec.exe
File opened (read-only)	\??\Q:	msiexec.exe
File opened (read-only)	\??\W:	msiexec.exe
File opened (read-only)	\??\U:	msiexec.exe
File opened (read-only)	\??\G:	msiexec.exe
File opened (read-only)	\??\O:	msiexec.exe
File opened (read-only)	\??\S:	msiexec.exe

Drops file in Program Files directory 1 IoCs

Processes:

msiexec.exe

description ioc process

File created C:\Program Files (x86)\Common Files\SpeechEngines\Microsoft\TTS\2052\SPTTSCHS.DLL msiexec.exe

description	ioc	process
File created	C:\Program Files (x86)\Common Files\SpeechEngines\Microsoft\TTS\2052\SPTTSCHS.DLL	msiexec.exe

Drops file in Windows directory 10 IoCs

Processes:

msiexec.exeDrvInst.exe

description	ioc	process
File opened for modification	C:\Windows\Installer\6dc3af.ipi	msiexec.exe
File opened for modification	C:\Windows\INF\setupapi.ev1	DrvInst.exe
File opened for modification	C:\Windows\INF\setupapi.dev.log	DrvInst.exe
File created	C:\Windows\Installer\6dc3ae.msi	msiexec.exe
File created	C:\Windows\Installer\6dc3b1.msi	msiexec.exe
File opened for modification	C:\Windows\Installer\MSIF519.tmp	msiexec.exe
File opened for modification	C:\Windows\INF\setupapi.ev3	DrvInst.exe
File opened for modification	C:\Windows\Installer\6dc3ae.msi	msiexec.exe
File created	C:\Windows\Installer\6dc3af.ipi	msiexec.exe
File opened for modification	C:\Windows\Installer\	msiexec.exe

Modifies data under HKEY_USERS 43 IoCs

Processes:

DrvInst.exe

description	ioc	process
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Policies\Microsoft\SystemCertificates\Disallowed\CRLs	DrvInst.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root	DrvInst.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\SystemCertificates\SmartCardRoot\Certificates	DrvInst.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople	DrvInst.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\SystemCertificates\trust\CTLs	DrvInst.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Classes\Local Settings\MuiCache\2D\52C64B7E\LanguageList = 65006e002d0055005300000065006e0000000000	DrvInst.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA	DrvInst.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\SystemCertificates\CA\CRLs	DrvInst.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust	DrvInst.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\SystemCertificates\Disallowed\CTLs	DrvInst.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople	DrvInst.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\SystemCertificates\TrustedPeople\CRLs	DrvInst.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Policies\Microsoft\SystemCertificates\TrustedPeople\Certificates	DrvInst.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA	DrvInst.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\SystemCertificates\Disallowed\CRLs	DrvInst.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\SystemCertificates\Root\Certificates	DrvInst.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\SystemCertificates\SmartCardRoot\CRLs	DrvInst.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust	DrvInst.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\SystemCertificates\trust\Certificates	DrvInst.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Policies\Microsoft\SystemCertificates\trust\CRLs	DrvInst.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\SystemCertificates\CA\CTLs	DrvInst.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Policies\Microsoft\SystemCertificates\CA\CTLs	DrvInst.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Policies\Microsoft\SystemCertificates\Disallowed\Certificates	DrvInst.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Policies\Microsoft\SystemCertificates\TrustedPeople\CRLs	DrvInst.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Policies\Microsoft\SystemCertificates\trust\Certificates	DrvInst.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\SystemCertificates\Root\CTLs	DrvInst.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot	DrvInst.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\SystemCertificates\SmartCardRoot\CTLs	DrvInst.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Policies\Microsoft\SystemCertificates\CA\CRLs	DrvInst.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed	DrvInst.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Policies\Microsoft\SystemCertificates\Disallowed\CTLs	DrvInst.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\SystemCertificates\TrustedPeople\Certificates	DrvInst.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\SystemCertificates\trust\CRLs	DrvInst.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing	DrvInst.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Policies\Microsoft\SystemCertificates\CA\Certificates	DrvInst.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\SystemCertificates\Disallowed\Certificates	DrvInst.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\SystemCertificates\Root\CRLs	DrvInst.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\SystemCertificates\TrustedPeople\CTLs	DrvInst.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Policies\Microsoft\SystemCertificates\TrustedPeople\CTLs	DrvInst.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Policies\Microsoft\SystemCertificates\trust\CTLs	DrvInst.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\My	DrvInst.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\SystemCertificates\CA\Certificates	DrvInst.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed	DrvInst.exe

Modifies registry class 24 IoCs

Processes:

msiexec.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000_CLASSES\Wow6432Node\CLSID\{AE2CF4DB-3697-45F4-9787-0FC5A37BEB36}\ = "SPCHSTTSVoiceDataObj Class"	msiexec.exe
Key created	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000_CLASSES\Wow6432Node\CLSID\{AE2CF4DB-3697-45F4-9787-0FC5A37BEB36}\InprocServer32	msiexec.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000_CLASSES\Wow6432Node\CLSID\{AE2CF4DB-3697-45F4-9787-0FC5A37BEB36}\InprocServer32\InprocServer32 = 77007b00750073006e00690068004200670028003f006700490067005b0057003f007b00270051003e002c007a005100520038004900530067004f0039006800490033006c006d004200600075007600700000000000	msiexec.exe
Key created	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000_CLASSES\Wow6432Node\CLSID\{AE2CF4DB-3697-45F4-9787-0FC5A37BEB36}\VersionIndependentProgID	msiexec.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000_CLASSES\Wow6432Node\CLSID\{B267E840-9DBF-4DF8-8D4F-7FE7EB9B4739}\ProgID\ = "TTSENG.SPCHSTTSENGINE.1"	msiexec.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000_CLASSES\Wow6432Node\CLSID\{B267E840-9DBF-4DF8-8D4F-7FE7EB9B4739}\InprocServer32\InprocServer32 = 77007b00750073006e00690068004200670028003f006700490067005b0057003f007b00270051003e002c007a005100520038004900530067004f0039006800490033006c006d004200600075007600700000000000	msiexec.exe
Key created	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000_CLASSES\Wow6432Node\CLSID\{B267E840-9DBF-4DF8-8D4F-7FE7EB9B4739}\VersionIndependentProgID	msiexec.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000_CLASSES\Wow6432Node\CLSID\{B267E840-9DBF-4DF8-8D4F-7FE7EB9B4739}\VersionIndependentProgID\ = "TTSENG.SPCHSTTSENGINE"	msiexec.exe
Key created	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000_CLASSES\Wow6432Node\CLSID	msiexec.exe
Key created	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000_CLASSES\Wow6432Node\CLSID\{AE2CF4DB-3697-45F4-9787-0FC5A37BEB36}	msiexec.exe
Key created	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000_CLASSES\Wow6432Node\CLSID\{AE2CF4DB-3697-45F4-9787-0FC5A37BEB36}\ProgID	msiexec.exe
Key created	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000_CLASSES\Wow6432Node\CLSID\{B267E840-9DBF-4DF8-8D4F-7FE7EB9B4739}\InprocServer32	msiexec.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000_CLASSES\Wow6432Node\CLSID\{B267E840-9DBF-4DF8-8D4F-7FE7EB9B4739}\InprocServer32\ = "C:\\Program Files (x86)\\Common Files\\SpeechEngines\\Microsoft\\TTS\\2052\\SPTTSCHS.DLL"	msiexec.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000_CLASSES\Wow6432Node\CLSID\{B267E840-9DBF-4DF8-8D4F-7FE7EB9B4739}\ = "Chinese TTS Engine object class."	msiexec.exe
Key created	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000_CLASSES\Wow6432Node\CLSID\{B267E840-9DBF-4DF8-8D4F-7FE7EB9B4739}\ProgID	msiexec.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000_CLASSES\Wow6432Node\CLSID\{B267E840-9DBF-4DF8-8D4F-7FE7EB9B4739}\InprocServer32\ThreadingModel = "Both"	msiexec.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000_CLASSES\Wow6432Node\CLSID\{AE2CF4DB-3697-45F4-9787-0FC5A37BEB36}\InprocServer32\ = "C:\\Program Files (x86)\\Common Files\\SpeechEngines\\Microsoft\\TTS\\2052\\SPTTSCHS.DLL"	msiexec.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000_CLASSES\Wow6432Node\CLSID\{AE2CF4DB-3697-45F4-9787-0FC5A37BEB36}\ = "Chinese TTS Engine Voice data object class."	msiexec.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000_CLASSES\Wow6432Node\CLSID\{AE2CF4DB-3697-45F4-9787-0FC5A37BEB36}\ProgID\ = "TTSENG.SPCHSTTSVOICEDATAOBJ.1"	msiexec.exe
Key created	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000_CLASSES\Wow6432Node\CLSID\{B267E840-9DBF-4DF8-8D4F-7FE7EB9B4739}	msiexec.exe
Key created	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000_CLASSES\Wow6432Node	msiexec.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000_CLASSES\Wow6432Node\CLSID\{AE2CF4DB-3697-45F4-9787-0FC5A37BEB36}\VersionIndependentProgID\ = "TTSENG.SPCHSTTSVOICEDATAOBJ"	msiexec.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000_CLASSES\Wow6432Node\CLSID\{AE2CF4DB-3697-45F4-9787-0FC5A37BEB36}\InprocServer32\ThreadingModel = "Both"	msiexec.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000_CLASSES\Wow6432Node\CLSID\{B267E840-9DBF-4DF8-8D4F-7FE7EB9B4739}\ = "SPCHSTTSEngine Class"	msiexec.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

msiexec.exe

pid process

1492 msiexec.exe
1492 msiexec.exe

pid	process
1492	msiexec.exe
1492	msiexec.exe

Suspicious use of AdjustPrivilegeToken 64 IoCs

Processes:

msiexec.exemsiexec.exevssvc.exeDrvInst.exe

description	pid	process
Token: SeShutdownPrivilege	1964	msiexec.exe
Token: SeIncreaseQuotaPrivilege	1964	msiexec.exe
Token: SeRestorePrivilege	1492	msiexec.exe
Token: SeTakeOwnershipPrivilege	1492	msiexec.exe
Token: SeSecurityPrivilege	1492	msiexec.exe
Token: SeCreateTokenPrivilege	1964	msiexec.exe
Token: SeAssignPrimaryTokenPrivilege	1964	msiexec.exe
Token: SeLockMemoryPrivilege	1964	msiexec.exe
Token: SeIncreaseQuotaPrivilege	1964	msiexec.exe
Token: SeMachineAccountPrivilege	1964	msiexec.exe
Token: SeTcbPrivilege	1964	msiexec.exe
Token: SeSecurityPrivilege	1964	msiexec.exe
Token: SeTakeOwnershipPrivilege	1964	msiexec.exe
Token: SeLoadDriverPrivilege	1964	msiexec.exe
Token: SeSystemProfilePrivilege	1964	msiexec.exe
Token: SeSystemtimePrivilege	1964	msiexec.exe
Token: SeProfSingleProcessPrivilege	1964	msiexec.exe
Token: SeIncBasePriorityPrivilege	1964	msiexec.exe
Token: SeCreatePagefilePrivilege	1964	msiexec.exe
Token: SeCreatePermanentPrivilege	1964	msiexec.exe
Token: SeBackupPrivilege	1964	msiexec.exe
Token: SeRestorePrivilege	1964	msiexec.exe
Token: SeShutdownPrivilege	1964	msiexec.exe
Token: SeDebugPrivilege	1964	msiexec.exe
Token: SeAuditPrivilege	1964	msiexec.exe
Token: SeSystemEnvironmentPrivilege	1964	msiexec.exe
Token: SeChangeNotifyPrivilege	1964	msiexec.exe
Token: SeRemoteShutdownPrivilege	1964	msiexec.exe
Token: SeUndockPrivilege	1964	msiexec.exe
Token: SeSyncAgentPrivilege	1964	msiexec.exe
Token: SeEnableDelegationPrivilege	1964	msiexec.exe
Token: SeManageVolumePrivilege	1964	msiexec.exe
Token: SeImpersonatePrivilege	1964	msiexec.exe
Token: SeCreateGlobalPrivilege	1964	msiexec.exe
Token: SeBackupPrivilege	1444	vssvc.exe
Token: SeRestorePrivilege	1444	vssvc.exe
Token: SeAuditPrivilege	1444	vssvc.exe
Token: SeBackupPrivilege	1492	msiexec.exe
Token: SeRestorePrivilege	1492	msiexec.exe
Token: SeRestorePrivilege	1704	DrvInst.exe
Token: SeRestorePrivilege	1704	DrvInst.exe
Token: SeRestorePrivilege	1704	DrvInst.exe
Token: SeRestorePrivilege	1704	DrvInst.exe
Token: SeRestorePrivilege	1704	DrvInst.exe
Token: SeRestorePrivilege	1704	DrvInst.exe
Token: SeRestorePrivilege	1704	DrvInst.exe
Token: SeLoadDriverPrivilege	1704	DrvInst.exe
Token: SeLoadDriverPrivilege	1704	DrvInst.exe
Token: SeLoadDriverPrivilege	1704	DrvInst.exe
Token: SeRestorePrivilege	1492	msiexec.exe
Token: SeTakeOwnershipPrivilege	1492	msiexec.exe
Token: SeRestorePrivilege	1492	msiexec.exe
Token: SeTakeOwnershipPrivilege	1492	msiexec.exe
Token: SeRestorePrivilege	1492	msiexec.exe
Token: SeTakeOwnershipPrivilege	1492	msiexec.exe
Token: SeRestorePrivilege	1492	msiexec.exe
Token: SeTakeOwnershipPrivilege	1492	msiexec.exe
Token: SeRestorePrivilege	1492	msiexec.exe
Token: SeTakeOwnershipPrivilege	1492	msiexec.exe
Token: SeRestorePrivilege	1492	msiexec.exe
Token: SeTakeOwnershipPrivilege	1492	msiexec.exe
Token: SeRestorePrivilege	1492	msiexec.exe
Token: SeTakeOwnershipPrivilege	1492	msiexec.exe
Token: SeRestorePrivilege	1492	msiexec.exe

Suspicious use of FindShellTrayWindow 2 IoCs

Processes:

msiexec.exe

pid process

1964 msiexec.exe
1964 msiexec.exe

pid	process
1964	msiexec.exe
1964	msiexec.exe

C:\Windows\system32\msiexec.exe
msiexec.exe /I C:\Users\Admin\AppData\Local\Temp\hyword\hyword\CnSpeech.msi
1⤵
- Enumerates connected drives
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of FindShellTrayWindow
PID:1964

C:\Windows\system32\msiexec.exe
C:\Windows\system32\msiexec.exe /V
1⤵
- Registers COM server for autorun
- Enumerates connected drives
- Drops file in Program Files directory
- Drops file in Windows directory
- Modifies registry class
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1492

C:\Windows\system32\vssvc.exe
C:\Windows\system32\vssvc.exe
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:1444

C:\Windows\system32\DrvInst.exe
DrvInst.exe "1" "200" "STORAGE\VolumeSnapshot\HarddiskVolumeSnapshot19" "" "" "61530dda3" "0000000000000000" "00000000000003C0" "0000000000000578"
1⤵
- Drops file in Windows directory
- Modifies data under HKEY_USERS
- Suspicious use of AdjustPrivilegeToken
PID:1704

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

T1060

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Peripheral Device Discovery

T1120

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/1964-54-0x000007FEFB741000-0x000007FEFB743000-memory.dmp

Filesize
8KB

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