neshta | cdb99667b5e02f1388c487926d09a585124c37f850095a900c99725c5f12b7d9

General

Target

cdb99667b5e02f1388c487926d09a585124c37f850095a900c99725c5f12b7d9.exe
Size

792KB
MD5

a991180b8a678a3e13ec414cbe8e3f07
SHA1

f1678274cb7831db042119b35ff409338ff08715
SHA256

cdb99667b5e02f1388c487926d09a585124c37f850095a900c99725c5f12b7d9
SHA512

d01396756570abc2e06ac6533062756b36d02b3d2b39e524338a239d719bfa6a9d5f460d096452c514c91741e2fbde2f43e891541448be2739e6aaf0508f6492

Score

10^/10

neshta persistence spyware stealer

Malware Config

Signatures

Modifies system executable filetype association 2 TTPs 1 IoCs

persistence

Modify Registry

T1112

Change Default File Association

T1042

Processes:

cdb99667b5e02f1388c487926d09a585124c37f850095a900c99725c5f12b7d9.exe

description	ioc	process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\open\command\ = "C:\\Windows\\svchost.com \"%1\" %*"	cdb99667b5e02f1388c487926d09a585124c37f850095a900c99725c5f12b7d9.exe

Neshta
Malware from the neshta family is designed to infect itself into other files to spread itself and cause damage.
persistence spyware neshta
Executes dropped EXE 1 IoCs

Processes:

cdb99667b5e02f1388c487926d09a585124c37f850095a900c99725c5f12b7d9.exe

pid process

1620 cdb99667b5e02f1388c487926d09a585124c37f850095a900c99725c5f12b7d9.exe

pid	process
1620	cdb99667b5e02f1388c487926d09a585124c37f850095a900c99725c5f12b7d9.exe

Checks computer location settings 2 TTPs 1 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

Processes:

cdb99667b5e02f1388c487926d09a585124c37f850095a900c99725c5f12b7d9.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-790714498-1549421491-1643397139-1000\Control Panel\International\Geo\Nation	cdb99667b5e02f1388c487926d09a585124c37f850095a900c99725c5f12b7d9.exe

Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
spyware stealer

Data from Local System
T1005

Credentials in Files
T1081

Drops file in Program Files directory 64 IoCs

Processes:

cdb99667b5e02f1388c487926d09a585124c37f850095a900c99725c5f12b7d9.exe

description	ioc	process
File opened for modification	C:\PROGRA~2\Adobe\ACROBA~1\Reader\arh.exe	cdb99667b5e02f1388c487926d09a585124c37f850095a900c99725c5f12b7d9.exe
File opened for modification	C:\PROGRA~2\MICROS~1\EDGEUP~1\13153~1.55\MICROS~4.EXE	cdb99667b5e02f1388c487926d09a585124c37f850095a900c99725c5f12b7d9.exe
File opened for modification	C:\PROGRA~2\MOZILL~1\UNINST~1.EXE	cdb99667b5e02f1388c487926d09a585124c37f850095a900c99725c5f12b7d9.exe
File opened for modification	C:\PROGRA~3\PACKAG~1\{4D8DC~1\VC_RED~1.EXE	cdb99667b5e02f1388c487926d09a585124c37f850095a900c99725c5f12b7d9.exe
File opened for modification	C:\PROGRA~3\PACKAG~1\{CA675~1\VCREDI~1.EXE	cdb99667b5e02f1388c487926d09a585124c37f850095a900c99725c5f12b7d9.exe
File opened for modification	C:\PROGRA~2\Adobe\ACROBA~1\Reader\Browser\WCCHRO~1\WCCHRO~1.EXE	cdb99667b5e02f1388c487926d09a585124c37f850095a900c99725c5f12b7d9.exe
File opened for modification	C:\PROGRA~2\Adobe\ACROBA~1\Reader\LOGTRA~1.EXE	cdb99667b5e02f1388c487926d09a585124c37f850095a900c99725c5f12b7d9.exe
File opened for modification	C:\PROGRA~2\COMMON~1\Adobe\ARM\1.0\ADOBEA~1.EXE	cdb99667b5e02f1388c487926d09a585124c37f850095a900c99725c5f12b7d9.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Edge\APPLIC~1\msedge.exe	cdb99667b5e02f1388c487926d09a585124c37f850095a900c99725c5f12b7d9.exe
File opened for modification	C:\PROGRA~2\WINDOW~4\wmplayer.exe	cdb99667b5e02f1388c487926d09a585124c37f850095a900c99725c5f12b7d9.exe
File opened for modification	C:\PROGRA~2\Adobe\ACROBA~1\Reader\plug_ins\PI_BRO~1\32BITM~1.EXE	cdb99667b5e02f1388c487926d09a585124c37f850095a900c99725c5f12b7d9.exe
File opened for modification	C:\PROGRA~2\Google\Update\1336~1.71\GOOGLE~2.EXE	cdb99667b5e02f1388c487926d09a585124c37f850095a900c99725c5f12b7d9.exe
File opened for modification	C:\PROGRA~2\MICROS~1\EDGEUP~1\13153~1.55\MI9C33~1.EXE	cdb99667b5e02f1388c487926d09a585124c37f850095a900c99725c5f12b7d9.exe
File opened for modification	C:\PROGRA~3\PACKAG~1\{33D1F~1\VCREDI~1.EXE	cdb99667b5e02f1388c487926d09a585124c37f850095a900c99725c5f12b7d9.exe
File opened for modification	C:\PROGRA~2\Google\Update\1336~1.71\GOOGLE~4.EXE	cdb99667b5e02f1388c487926d09a585124c37f850095a900c99725c5f12b7d9.exe
File opened for modification	C:\PROGRA~2\INTERN~1\ielowutil.exe	cdb99667b5e02f1388c487926d09a585124c37f850095a900c99725c5f12b7d9.exe
File opened for modification	C:\PROGRA~2\INTERN~1\iexplore.exe	cdb99667b5e02f1388c487926d09a585124c37f850095a900c99725c5f12b7d9.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Edge\APPLIC~1\920902~1.67\MSEDGE~1.EXE	cdb99667b5e02f1388c487926d09a585124c37f850095a900c99725c5f12b7d9.exe
File opened for modification	C:\PROGRA~2\MICROS~1\EDGEUP~1\13153~1.55\MICROS~2.EXE	cdb99667b5e02f1388c487926d09a585124c37f850095a900c99725c5f12b7d9.exe
File opened for modification	C:\PROGRA~2\Adobe\ACROBA~1\Reader\ADelRCP.exe	cdb99667b5e02f1388c487926d09a585124c37f850095a900c99725c5f12b7d9.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Edge\APPLIC~1\920902~1.67\ELEVAT~1.EXE	cdb99667b5e02f1388c487926d09a585124c37f850095a900c99725c5f12b7d9.exe
File opened for modification	C:\PROGRA~2\Adobe\ACROBA~1\Reader\ACROBR~1.EXE	cdb99667b5e02f1388c487926d09a585124c37f850095a900c99725c5f12b7d9.exe
File opened for modification	C:\PROGRA~2\Adobe\ACROBA~1\Reader\WOW_HE~1.EXE	cdb99667b5e02f1388c487926d09a585124c37f850095a900c99725c5f12b7d9.exe
File opened for modification	C:\PROGRA~2\COMMON~1\Java\JAVAUP~1\jusched.exe	cdb99667b5e02f1388c487926d09a585124c37f850095a900c99725c5f12b7d9.exe
File opened for modification	C:\PROGRA~2\Google\Update\1336~1.71\GOBD5D~1.EXE	cdb99667b5e02f1388c487926d09a585124c37f850095a900c99725c5f12b7d9.exe
File opened for modification	C:\PROGRA~2\Adobe\ACROBA~1\Reader\ACROTE~1.EXE	cdb99667b5e02f1388c487926d09a585124c37f850095a900c99725c5f12b7d9.exe
File opened for modification	C:\PROGRA~2\Google\Update\1336~1.71\GOOGLE~3.EXE	cdb99667b5e02f1388c487926d09a585124c37f850095a900c99725c5f12b7d9.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Edge\APPLIC~1\920902~1.67\NOTIFI~1.EXE	cdb99667b5e02f1388c487926d09a585124c37f850095a900c99725c5f12b7d9.exe
File opened for modification	C:\PROGRA~3\PACKAG~1\{61087~1\VCREDI~1.EXE	cdb99667b5e02f1388c487926d09a585124c37f850095a900c99725c5f12b7d9.exe
File opened for modification	C:\PROGRA~2\Adobe\ACROBA~1\Reader\AcroRd32.exe	cdb99667b5e02f1388c487926d09a585124c37f850095a900c99725c5f12b7d9.exe
File opened for modification	C:\PROGRA~2\Adobe\ACROBA~1\Reader\ADOBEC~1.EXE	cdb99667b5e02f1388c487926d09a585124c37f850095a900c99725c5f12b7d9.exe
File opened for modification	C:\PROGRA~2\Adobe\ACROBA~1\Reader\Eula.exe	cdb99667b5e02f1388c487926d09a585124c37f850095a900c99725c5f12b7d9.exe
File opened for modification	C:\PROGRA~2\Adobe\ACROBA~1\Reader\FULLTR~1.EXE	cdb99667b5e02f1388c487926d09a585124c37f850095a900c99725c5f12b7d9.exe
File opened for modification	C:\PROGRA~2\INTERN~1\ieinstal.exe	cdb99667b5e02f1388c487926d09a585124c37f850095a900c99725c5f12b7d9.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Edge\APPLIC~1\PWAHEL~1.EXE	cdb99667b5e02f1388c487926d09a585124c37f850095a900c99725c5f12b7d9.exe
File opened for modification	C:\PROGRA~2\MICROS~1\EDGEUP~1\13153~1.55\MICROS~3.EXE	cdb99667b5e02f1388c487926d09a585124c37f850095a900c99725c5f12b7d9.exe
File opened for modification	C:\PROGRA~2\MICROS~1\EDGEUP~1\MicrosoftEdgeUpdate.exe	cdb99667b5e02f1388c487926d09a585124c37f850095a900c99725c5f12b7d9.exe
File opened for modification	C:\PROGRA~2\Adobe\ACROBA~1\Reader\AcroCEF\RdrCEF.exe	cdb99667b5e02f1388c487926d09a585124c37f850095a900c99725c5f12b7d9.exe
File opened for modification	C:\PROGRA~2\COMMON~1\Adobe\ARM\1.0\AdobeARM.exe	cdb99667b5e02f1388c487926d09a585124c37f850095a900c99725c5f12b7d9.exe
File opened for modification	C:\PROGRA~2\COMMON~1\Adobe\ARM\1.0\armsvc.exe	cdb99667b5e02f1388c487926d09a585124c37f850095a900c99725c5f12b7d9.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Edge\APPLIC~1\920902~1.67\IDENTI~1.EXE	cdb99667b5e02f1388c487926d09a585124c37f850095a900c99725c5f12b7d9.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Edge\APPLIC~1\MSEDGE~1.EXE	cdb99667b5e02f1388c487926d09a585124c37f850095a900c99725c5f12b7d9.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Edge\APPLIC~1\920902~1.67\BHO\IE_TO_~1.EXE	cdb99667b5e02f1388c487926d09a585124c37f850095a900c99725c5f12b7d9.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Edge\APPLIC~1\920902~1.67\INSTAL~1\setup.exe	cdb99667b5e02f1388c487926d09a585124c37f850095a900c99725c5f12b7d9.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Edge\APPLIC~1\920902~1.67\MSEDGE~3.EXE	cdb99667b5e02f1388c487926d09a585124c37f850095a900c99725c5f12b7d9.exe
File opened for modification	C:\PROGRA~2\WINDOW~3\ACCESS~1\wordpad.exe	cdb99667b5e02f1388c487926d09a585124c37f850095a900c99725c5f12b7d9.exe
File opened for modification	C:\PROGRA~3\PACKAG~1\{57A73~1\VC_RED~1.EXE	cdb99667b5e02f1388c487926d09a585124c37f850095a900c99725c5f12b7d9.exe
File opened for modification	C:\PROGRA~2\COMMON~1\Java\JAVAUP~1\jucheck.exe	cdb99667b5e02f1388c487926d09a585124c37f850095a900c99725c5f12b7d9.exe
File opened for modification	C:\PROGRA~2\INTERN~1\ExtExport.exe	cdb99667b5e02f1388c487926d09a585124c37f850095a900c99725c5f12b7d9.exe
File opened for modification	C:\PROGRA~2\WINDOW~2\wab.exe	cdb99667b5e02f1388c487926d09a585124c37f850095a900c99725c5f12b7d9.exe
File opened for modification	C:\PROGRA~2\MICROS~1\EDGEUP~1\13153~1.55\MICROS~1.EXE	cdb99667b5e02f1388c487926d09a585124c37f850095a900c99725c5f12b7d9.exe
File opened for modification	C:\PROGRA~2\WINDOW~4\wmlaunch.exe	cdb99667b5e02f1388c487926d09a585124c37f850095a900c99725c5f12b7d9.exe
File opened for modification	C:\PROGRA~2\WINDOW~4\wmprph.exe	cdb99667b5e02f1388c487926d09a585124c37f850095a900c99725c5f12b7d9.exe
File opened for modification	C:\PROGRA~2\COMMON~1\Java\JAVAUP~1\jaureg.exe	cdb99667b5e02f1388c487926d09a585124c37f850095a900c99725c5f12b7d9.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\VSTO\10.0\VSTOIN~1.EXE	cdb99667b5e02f1388c487926d09a585124c37f850095a900c99725c5f12b7d9.exe
File opened for modification	C:\PROGRA~2\Google\Update\1336~1.71\GO664E~1.EXE	cdb99667b5e02f1388c487926d09a585124c37f850095a900c99725c5f12b7d9.exe
File opened for modification	C:\PROGRA~2\Google\Update\1336~1.71\GOF5E2~1.EXE	cdb99667b5e02f1388c487926d09a585124c37f850095a900c99725c5f12b7d9.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Edge\APPLIC~1\920902~1.67\msedge.exe	cdb99667b5e02f1388c487926d09a585124c37f850095a900c99725c5f12b7d9.exe
File opened for modification	C:\PROGRA~3\PACKAG~1\{EF6B0~1\VCREDI~1.EXE	cdb99667b5e02f1388c487926d09a585124c37f850095a900c99725c5f12b7d9.exe
File opened for modification	C:\PROGRA~2\WI8A19~1\ImagingDevices.exe	cdb99667b5e02f1388c487926d09a585124c37f850095a900c99725c5f12b7d9.exe
File opened for modification	C:\PROGRA~2\Google\Update\DISABL~1.EXE	cdb99667b5e02f1388c487926d09a585124c37f850095a900c99725c5f12b7d9.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Edge\APPLIC~1\920902~1.67\MSEDGE~2.EXE	cdb99667b5e02f1388c487926d09a585124c37f850095a900c99725c5f12b7d9.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Edge\APPLIC~1\920902~1.67\PWAHEL~1.EXE	cdb99667b5e02f1388c487926d09a585124c37f850095a900c99725c5f12b7d9.exe
File opened for modification	C:\PROGRA~2\MICROS~1\EDGEUP~1\13153~1.55\MIA062~1.EXE	cdb99667b5e02f1388c487926d09a585124c37f850095a900c99725c5f12b7d9.exe

Drops file in Windows directory 2 IoCs

Processes:

cdb99667b5e02f1388c487926d09a585124c37f850095a900c99725c5f12b7d9.exesvchost.exe

description	ioc	process
File opened for modification	C:\Windows\svchost.com	cdb99667b5e02f1388c487926d09a585124c37f850095a900c99725c5f12b7d9.exe
File opened for modification	C:\Windows\ServiceProfiles\NetworkService\AppData\Local\Microsoft\Windows\DeliveryOptimization\State\keyValueLKG.dat	svchost.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

System Information Discovery
T1082

Checks processor information in registry 2 TTPs 2 IoCs

Processor information is often read in order to detect sandboxing environments.

Query Registry

T1012

System Information Discovery

T1082

Processes:

MusNotifyIcon.exe

description	ioc	process
Key opened	\Registry\Machine\HARDWARE\DESCRIPTION\System\CentralProcessor\0	MusNotifyIcon.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz	MusNotifyIcon.exe

Modifies data under HKEY_USERS 45 IoCs

Processes:

svchost.exe

description	ioc	process
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\FrDownloadRatePct = "90"	svchost.exe
Key created	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Settings	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\DownloadMonthlyLanBytes = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\DownloadMonthlyCacheHostBytes = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Config\KVFileExpirationTime = "132887868684607407"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\GroupConnectionCount = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\UploadCount = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\NormalDownloadCount = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MemoryUsageKB = "4004"	svchost.exe
Key created	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Config	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\DownloadMonthlyRateBkBps = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\DownloadMonthlyRateFrCnt = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MonthlyUploadRestriction = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\DownloadMonthlyRateFrBps = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MonthID = "2"	svchost.exe
Set value (str)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Config\GeoVersion_EndpointFullUri = "https://geover.prod.do.dsp.mp.microsoft.com/geoversion"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CDNConnectionCount = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\DownlinkBps = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\DownlinkUsageBps = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\UploadRatePct = "100"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Config\DownloadMode_BackCompat = "1"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\UploadMonthlyLanBytes = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\DownloadMonthlyLinkLocalBytes = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\SwarmCount = "1"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\PeerInfoCount = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\LANConnectionCount = "0"	svchost.exe
Key created	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\DownloadMonthlyRateBkCnt = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CacheSizeBytes = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\LinkLocalConnectionCount = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\PriorityDownloadCount = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\NormalDownloadPendingCount = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Config\DODownloadMode = "1"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\DownloadMonthlyInternetBytes = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\DownloadMonthlyGroupBytes = "0"	svchost.exe
Set value (str)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Config\Geo_EndpointFullUri = "https://geo.prod.do.dsp.mp.microsoft.com/geo"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\InternetConnectionCount = "0"	svchost.exe
Key created	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\DownloadMonthlyCdnBytes = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\UplinkBps = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\UplinkUsageBps = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\BkDownloadRatePct = "45"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\PriorityDownloadPendingCount = "0"	svchost.exe
Set value (str)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "0.925941"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\UploadMonthlyInternetBytes = "0"	svchost.exe

Modifies registry class 1 IoCs

Processes:

cdb99667b5e02f1388c487926d09a585124c37f850095a900c99725c5f12b7d9.exe

description	ioc	process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\open\command\ = "C:\\Windows\\svchost.com \"%1\" %*"	cdb99667b5e02f1388c487926d09a585124c37f850095a900c99725c5f12b7d9.exe

Suspicious use of WriteProcessMemory 3 IoCs

Processes:

cdb99667b5e02f1388c487926d09a585124c37f850095a900c99725c5f12b7d9.exe

description	pid	process	target process
PID 448 wrote to memory of 1620	448	cdb99667b5e02f1388c487926d09a585124c37f850095a900c99725c5f12b7d9.exe	cdb99667b5e02f1388c487926d09a585124c37f850095a900c99725c5f12b7d9.exe
PID 448 wrote to memory of 1620	448	cdb99667b5e02f1388c487926d09a585124c37f850095a900c99725c5f12b7d9.exe	cdb99667b5e02f1388c487926d09a585124c37f850095a900c99725c5f12b7d9.exe
PID 448 wrote to memory of 1620	448	cdb99667b5e02f1388c487926d09a585124c37f850095a900c99725c5f12b7d9.exe	cdb99667b5e02f1388c487926d09a585124c37f850095a900c99725c5f12b7d9.exe

C:\Users\Admin\AppData\Local\Temp\cdb99667b5e02f1388c487926d09a585124c37f850095a900c99725c5f12b7d9.exe
"C:\Users\Admin\AppData\Local\Temp\cdb99667b5e02f1388c487926d09a585124c37f850095a900c99725c5f12b7d9.exe"
1⤵
- Modifies system executable filetype association
- Checks computer location settings
- Drops file in Program Files directory
- Drops file in Windows directory
- Modifies registry class
- Suspicious use of WriteProcessMemory
PID:448

C:\Users\Admin\AppData\Local\Temp\3582-490\cdb99667b5e02f1388c487926d09a585124c37f850095a900c99725c5f12b7d9.exe
"C:\Users\Admin\AppData\Local\Temp\3582-490\cdb99667b5e02f1388c487926d09a585124c37f850095a900c99725c5f12b7d9.exe"
2⤵
- Executes dropped EXE
PID:1620

C:\Windows\system32\MusNotifyIcon.exe
%systemroot%\system32\MusNotifyIcon.exe NotifyTrayIcon 13
1⤵
- Checks processor information in registry
PID:2176

C:\Windows\System32\svchost.exe
C:\Windows\System32\svchost.exe -k NetworkService -p
1⤵
- Drops file in Windows directory
- Modifies data under HKEY_USERS
PID:2196

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Change Default File Association

1

T1042

Privilege Escalation

Defense Evasion

Modify Registry

1

T1112

Credential Access

Credentials in Files

1

T1081

Discovery

Query Registry

2

T1012

System Information Discovery

3

T1082

Lateral Movement

Collection

Data from Local System

1

T1005

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\3582-490\cdb99667b5e02f1388c487926d09a585124c37f850095a900c99725c5f12b7d9.exe
MD5
8eea44226d6a5bd5b4f2a0f46c821286

SHA1
eb74213e18a1b803c41bd209db243b6dbbcc702f

SHA256
c9b596f8ace3bec80ec783a7dd189886155de202bb86a0e4d9de51f5086cc40a

SHA512
867ff68278037ada87ed93a4d994a8ff0b11635091c2a080d509103e44a76f49334709a9dbfed65431dd957f400f464606696a222cea4cee818fc853a11c0af0

Download Submit
C:\Users\Admin\AppData\Local\Temp\3582-490\cdb99667b5e02f1388c487926d09a585124c37f850095a900c99725c5f12b7d9.exe
MD5
8eea44226d6a5bd5b4f2a0f46c821286

SHA1
eb74213e18a1b803c41bd209db243b6dbbcc702f

SHA256
c9b596f8ace3bec80ec783a7dd189886155de202bb86a0e4d9de51f5086cc40a

SHA512
867ff68278037ada87ed93a4d994a8ff0b11635091c2a080d509103e44a76f49334709a9dbfed65431dd957f400f464606696a222cea4cee818fc853a11c0af0

Download Submit

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads