85c90660c6fd66ace9628b9e7375838d549b40f09bae5be34a033c4667ebc9ee

General

Target

Doc_Fac_2022_43DU4DJ23UDI4223DSA23.pdf
Size

15KB
MD5

d10dbff1b56cabfcf5b4d3f85d7a3ad5
SHA1

b6ce215fd0ea6930e6f8c14eda30cb1ea775ecdd
SHA256

85c90660c6fd66ace9628b9e7375838d549b40f09bae5be34a033c4667ebc9ee
SHA512

cb3bc1c3a9f6b4baeeaea14151759c3b1b6a7854d69cdc3c2a83b31b80d5ad3d9128cfd0e4fbfa47a000ad72fd31c93442ac211ca6f24d4825bb07522c028a2d

Score

4^/10

Malware Config

Signatures

Drops file in Windows directory 3 IoCs

Processes:

svchost.exeTiWorker.exe

description	ioc	process
File opened for modification	C:\Windows\ServiceProfiles\NetworkService\AppData\Local\Microsoft\Windows\DeliveryOptimization\State\keyValueLKG.dat	svchost.exe
File opened for modification	C:\Windows\Logs\CBS\CBS.log	TiWorker.exe
File opened for modification	C:\Windows\WinSxS\pending.xml	TiWorker.exe

Checks processor information in registry 2 TTPs 4 IoCs

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

Query Registry

T1012

System Information Discovery

T1082

Processes:

AcroRd32.exeMusNotifyIcon.exe

description	ioc	process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz	AcroRd32.exe
Key opened	\Registry\Machine\HARDWARE\DESCRIPTION\System\CentralProcessor\0	MusNotifyIcon.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz	MusNotifyIcon.exe
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0	AcroRd32.exe

Modifies Internet Explorer settings 1 TTPs 1 IoCs

adware spyware

Modify Registry

T1112

Processes:

AcroRd32.exe

description	ioc	process
Key created	\REGISTRY\USER\S-1-5-21-790714498-1549421491-1643397139-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Modifies data under HKEY_USERS 51 IoCs

Processes:

svchost.exe

description	ioc	process
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Config\KVFileExpirationTime = "132898754520243793"	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\CDNConnectionCount = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\FrDownloadRatePct = "90"	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\UploadMonthlyInternetBytes = "0"	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\DownloadMonthlyRateBkCnt = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MonthlyUploadRestriction = "0"	svchost.exe
Set value (str)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "13.707102"	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\DownloadMonthlyRateFrCnt = "0"	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\InternetConnectionCount = "0"	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\DownloadMonthlyLinkLocalBytes = "0"	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\GroupConnectionCount = "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\UploadRatePct = "100"	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\DownloadMonthlyCacheHostBytes = "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\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\PeerInfoCount = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\LANConnectionCount = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\PriorityDownloadPendingCount = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\SwarmCount = "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\UploadCount = "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\Usage\MemoryUsageKB = "4356"	svchost.exe
Set value (str)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "0.013160"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MemoryUsageKB = "4100"	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\Config\DODownloadMode = "1"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\DownloadMonthlyGroupBytes = "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\LinkLocalConnectionCount = "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\PriorityDownloadCount = "0"	svchost.exe
Set value (str)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "8.249125"	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\MemoryUsageKB = "4152"	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\UploadMonthlyLanBytes = "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\DownlinkBps = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\BkDownloadRatePct = "45"	svchost.exe
Set value (str)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "4.794136"	svchost.exe
Key created	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization	svchost.exe

Suspicious behavior: EnumeratesProcesses 22 IoCs

Processes:

AcroRd32.exeAdobeARM.exe

pid	process
3428	AcroRd32.exe
3428	AcroRd32.exe
3428	AcroRd32.exe
3428	AcroRd32.exe
3428	AcroRd32.exe
3428	AcroRd32.exe
3428	AcroRd32.exe
3428	AcroRd32.exe
3428	AcroRd32.exe
3428	AcroRd32.exe
3428	AcroRd32.exe
3428	AcroRd32.exe
3428	AcroRd32.exe
3428	AcroRd32.exe
3428	AcroRd32.exe
3428	AcroRd32.exe
3428	AcroRd32.exe
3428	AcroRd32.exe
3428	AcroRd32.exe
3428	AcroRd32.exe
1480	AdobeARM.exe
1480	AdobeARM.exe

Suspicious use of AdjustPrivilegeToken 64 IoCs

Processes:

TiWorker.exe

description	pid	process
Token: SeSecurityPrivilege	1836	TiWorker.exe
Token: SeRestorePrivilege	1836	TiWorker.exe
Token: SeBackupPrivilege	1836	TiWorker.exe
Token: SeBackupPrivilege	1836	TiWorker.exe
Token: SeRestorePrivilege	1836	TiWorker.exe
Token: SeSecurityPrivilege	1836	TiWorker.exe
Token: SeBackupPrivilege	1836	TiWorker.exe
Token: SeRestorePrivilege	1836	TiWorker.exe
Token: SeSecurityPrivilege	1836	TiWorker.exe
Token: SeBackupPrivilege	1836	TiWorker.exe
Token: SeRestorePrivilege	1836	TiWorker.exe
Token: SeSecurityPrivilege	1836	TiWorker.exe
Token: SeBackupPrivilege	1836	TiWorker.exe
Token: SeRestorePrivilege	1836	TiWorker.exe
Token: SeSecurityPrivilege	1836	TiWorker.exe
Token: SeBackupPrivilege	1836	TiWorker.exe
Token: SeRestorePrivilege	1836	TiWorker.exe
Token: SeSecurityPrivilege	1836	TiWorker.exe
Token: SeBackupPrivilege	1836	TiWorker.exe
Token: SeRestorePrivilege	1836	TiWorker.exe
Token: SeSecurityPrivilege	1836	TiWorker.exe
Token: SeBackupPrivilege	1836	TiWorker.exe
Token: SeRestorePrivilege	1836	TiWorker.exe
Token: SeSecurityPrivilege	1836	TiWorker.exe
Token: SeBackupPrivilege	1836	TiWorker.exe
Token: SeRestorePrivilege	1836	TiWorker.exe
Token: SeSecurityPrivilege	1836	TiWorker.exe
Token: SeBackupPrivilege	1836	TiWorker.exe
Token: SeRestorePrivilege	1836	TiWorker.exe
Token: SeSecurityPrivilege	1836	TiWorker.exe
Token: SeBackupPrivilege	1836	TiWorker.exe
Token: SeRestorePrivilege	1836	TiWorker.exe
Token: SeSecurityPrivilege	1836	TiWorker.exe
Token: SeBackupPrivilege	1836	TiWorker.exe
Token: SeRestorePrivilege	1836	TiWorker.exe
Token: SeSecurityPrivilege	1836	TiWorker.exe
Token: SeBackupPrivilege	1836	TiWorker.exe
Token: SeRestorePrivilege	1836	TiWorker.exe
Token: SeSecurityPrivilege	1836	TiWorker.exe
Token: SeBackupPrivilege	1836	TiWorker.exe
Token: SeRestorePrivilege	1836	TiWorker.exe
Token: SeSecurityPrivilege	1836	TiWorker.exe
Token: SeBackupPrivilege	1836	TiWorker.exe
Token: SeRestorePrivilege	1836	TiWorker.exe
Token: SeSecurityPrivilege	1836	TiWorker.exe
Token: SeBackupPrivilege	1836	TiWorker.exe
Token: SeRestorePrivilege	1836	TiWorker.exe
Token: SeSecurityPrivilege	1836	TiWorker.exe
Token: SeBackupPrivilege	1836	TiWorker.exe
Token: SeRestorePrivilege	1836	TiWorker.exe
Token: SeSecurityPrivilege	1836	TiWorker.exe
Token: SeBackupPrivilege	1836	TiWorker.exe
Token: SeRestorePrivilege	1836	TiWorker.exe
Token: SeSecurityPrivilege	1836	TiWorker.exe
Token: SeBackupPrivilege	1836	TiWorker.exe
Token: SeRestorePrivilege	1836	TiWorker.exe
Token: SeSecurityPrivilege	1836	TiWorker.exe
Token: SeBackupPrivilege	1836	TiWorker.exe
Token: SeRestorePrivilege	1836	TiWorker.exe
Token: SeSecurityPrivilege	1836	TiWorker.exe
Token: SeBackupPrivilege	1836	TiWorker.exe
Token: SeRestorePrivilege	1836	TiWorker.exe
Token: SeSecurityPrivilege	1836	TiWorker.exe
Token: SeBackupPrivilege	1836	TiWorker.exe

Suspicious use of FindShellTrayWindow 1 IoCs

Processes:

AcroRd32.exe

pid process

3428 AcroRd32.exe

Suspicious use of SetWindowsHookEx 9 IoCs

Processes:

AcroRd32.exeAdobeARM.exe

pid	process
3428	AcroRd32.exe
3428	AcroRd32.exe
3428	AcroRd32.exe
3428	AcroRd32.exe
3428	AcroRd32.exe
3428	AcroRd32.exe
3428	AcroRd32.exe
3428	AcroRd32.exe
1480	AdobeARM.exe

Suspicious use of WriteProcessMemory 64 IoCs

Processes:

AcroRd32.exeRdrCEF.exe

description	pid	process	target process
PID 3428 wrote to memory of 3752	3428	AcroRd32.exe	RdrCEF.exe
PID 3428 wrote to memory of 3752	3428	AcroRd32.exe	RdrCEF.exe
PID 3428 wrote to memory of 3752	3428	AcroRd32.exe	RdrCEF.exe
PID 3752 wrote to memory of 428	3752	RdrCEF.exe	RdrCEF.exe
PID 3752 wrote to memory of 428	3752	RdrCEF.exe	RdrCEF.exe
PID 3752 wrote to memory of 428	3752	RdrCEF.exe	RdrCEF.exe
PID 3752 wrote to memory of 428	3752	RdrCEF.exe	RdrCEF.exe
PID 3752 wrote to memory of 428	3752	RdrCEF.exe	RdrCEF.exe
PID 3752 wrote to memory of 428	3752	RdrCEF.exe	RdrCEF.exe
PID 3752 wrote to memory of 428	3752	RdrCEF.exe	RdrCEF.exe
PID 3752 wrote to memory of 428	3752	RdrCEF.exe	RdrCEF.exe
PID 3752 wrote to memory of 428	3752	RdrCEF.exe	RdrCEF.exe
PID 3752 wrote to memory of 428	3752	RdrCEF.exe	RdrCEF.exe
PID 3752 wrote to memory of 428	3752	RdrCEF.exe	RdrCEF.exe
PID 3752 wrote to memory of 428	3752	RdrCEF.exe	RdrCEF.exe
PID 3752 wrote to memory of 428	3752	RdrCEF.exe	RdrCEF.exe
PID 3752 wrote to memory of 428	3752	RdrCEF.exe	RdrCEF.exe
PID 3752 wrote to memory of 428	3752	RdrCEF.exe	RdrCEF.exe
PID 3752 wrote to memory of 428	3752	RdrCEF.exe	RdrCEF.exe
PID 3752 wrote to memory of 428	3752	RdrCEF.exe	RdrCEF.exe
PID 3752 wrote to memory of 428	3752	RdrCEF.exe	RdrCEF.exe
PID 3752 wrote to memory of 428	3752	RdrCEF.exe	RdrCEF.exe
PID 3752 wrote to memory of 428	3752	RdrCEF.exe	RdrCEF.exe
PID 3752 wrote to memory of 428	3752	RdrCEF.exe	RdrCEF.exe
PID 3752 wrote to memory of 428	3752	RdrCEF.exe	RdrCEF.exe
PID 3752 wrote to memory of 428	3752	RdrCEF.exe	RdrCEF.exe
PID 3752 wrote to memory of 428	3752	RdrCEF.exe	RdrCEF.exe
PID 3752 wrote to memory of 428	3752	RdrCEF.exe	RdrCEF.exe
PID 3752 wrote to memory of 428	3752	RdrCEF.exe	RdrCEF.exe
PID 3752 wrote to memory of 428	3752	RdrCEF.exe	RdrCEF.exe
PID 3752 wrote to memory of 428	3752	RdrCEF.exe	RdrCEF.exe
PID 3752 wrote to memory of 428	3752	RdrCEF.exe	RdrCEF.exe
PID 3752 wrote to memory of 428	3752	RdrCEF.exe	RdrCEF.exe
PID 3752 wrote to memory of 428	3752	RdrCEF.exe	RdrCEF.exe
PID 3752 wrote to memory of 428	3752	RdrCEF.exe	RdrCEF.exe
PID 3752 wrote to memory of 428	3752	RdrCEF.exe	RdrCEF.exe
PID 3752 wrote to memory of 428	3752	RdrCEF.exe	RdrCEF.exe
PID 3752 wrote to memory of 428	3752	RdrCEF.exe	RdrCEF.exe
PID 3752 wrote to memory of 428	3752	RdrCEF.exe	RdrCEF.exe
PID 3752 wrote to memory of 428	3752	RdrCEF.exe	RdrCEF.exe
PID 3752 wrote to memory of 428	3752	RdrCEF.exe	RdrCEF.exe
PID 3752 wrote to memory of 428	3752	RdrCEF.exe	RdrCEF.exe
PID 3752 wrote to memory of 428	3752	RdrCEF.exe	RdrCEF.exe
PID 3752 wrote to memory of 428	3752	RdrCEF.exe	RdrCEF.exe
PID 3752 wrote to memory of 428	3752	RdrCEF.exe	RdrCEF.exe
PID 3752 wrote to memory of 428	3752	RdrCEF.exe	RdrCEF.exe
PID 3752 wrote to memory of 3640	3752	RdrCEF.exe	RdrCEF.exe
PID 3752 wrote to memory of 3640	3752	RdrCEF.exe	RdrCEF.exe
PID 3752 wrote to memory of 3640	3752	RdrCEF.exe	RdrCEF.exe
PID 3752 wrote to memory of 3640	3752	RdrCEF.exe	RdrCEF.exe
PID 3752 wrote to memory of 3640	3752	RdrCEF.exe	RdrCEF.exe
PID 3752 wrote to memory of 3640	3752	RdrCEF.exe	RdrCEF.exe
PID 3752 wrote to memory of 3640	3752	RdrCEF.exe	RdrCEF.exe
PID 3752 wrote to memory of 3640	3752	RdrCEF.exe	RdrCEF.exe
PID 3752 wrote to memory of 3640	3752	RdrCEF.exe	RdrCEF.exe
PID 3752 wrote to memory of 3640	3752	RdrCEF.exe	RdrCEF.exe
PID 3752 wrote to memory of 3640	3752	RdrCEF.exe	RdrCEF.exe
PID 3752 wrote to memory of 3640	3752	RdrCEF.exe	RdrCEF.exe
PID 3752 wrote to memory of 3640	3752	RdrCEF.exe	RdrCEF.exe
PID 3752 wrote to memory of 3640	3752	RdrCEF.exe	RdrCEF.exe
PID 3752 wrote to memory of 3640	3752	RdrCEF.exe	RdrCEF.exe
PID 3752 wrote to memory of 3640	3752	RdrCEF.exe	RdrCEF.exe
PID 3752 wrote to memory of 3640	3752	RdrCEF.exe	RdrCEF.exe
PID 3752 wrote to memory of 3640	3752	RdrCEF.exe	RdrCEF.exe

C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroRd32.exe
"C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroRd32.exe" "C:\Users\Admin\AppData\Local\Temp\Doc_Fac_2022_43DU4DJ23UDI4223DSA23.pdf"
1⤵
- Checks processor information in registry
- Modifies Internet Explorer settings
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of FindShellTrayWindow
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:3428
- C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrCEF.exe
  "C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrCEF.exe" --backgroundcolor=16514043
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:3752
- - C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrCEF.exe
    "C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrCEF.exe" --type=renderer --disable-browser-side-navigation --disable-gpu-compositing --service-pipe-token=B7165E84238AD867C7629CCC4A690A8D --lang=en-US --disable-pack-loading --lang=en-US --log-file="C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\debug.log" --log-severity=disable --product-version="ReaderServices/19.10.20064 Chrome/64.0.3282.119" --enable-pinch --device-scale-factor=1 --num-raster-threads=1 --enable-gpu-async-worker-context --content-image-texture-target=0,0,3553;0,1,3553;0,2,3553;0,3,3553;0,4,3553;0,5,3553;0,6,3553;0,7,3553;0,8,3553;0,9,3553;0,10,3553;0,11,3553;0,12,3553;0,13,3553;0,14,3553;0,15,3553;0,16,3553;0,17,3553;0,18,3553;1,0,3553;1,1,3553;1,2,3553;1,3,3553;1,4,3553;1,5,3553;1,6,3553;1,7,3553;1,8,3553;1,9,3553;1,10,3553;1,11,3553;1,12,3553;1,13,3553;1,14,3553;1,15,3553;1,16,3553;1,17,3553;1,18,3553;2,0,3553;2,1,3553;2,2,3553;2,3,3553;2,4,3553;2,5,3553;2,6,3553;2,7,3553;2,8,3553;2,9,3553;2,10,3553;2,11,3553;2,12,3553;2,13,3553;2,14,3553;2,15,3553;2,16,3553;2,17,3553;2,18,3553;3,0,3553;3,1,3553;3,2,3553;3,3,3553;3,4,3553;3,5,3553;3,6,3553;3,7,3553;3,8,3553;3,9,3553;3,10,3553;3,11,3553;3,12,3553;3,13,3553;3,14,3553;3,15,3553;3,16,3553;3,17,3553;3,18,3553;4,0,3553;4,1,3553;4,2,3553;4,3,3553;4,4,3553;4,5,3553;4,6,3553;4,7,3553;4,8,3553;4,9,3553;4,10,3553;4,11,3553;4,12,3553;4,13,3553;4,14,3553;4,15,3553;4,16,3553;4,17,3553;4,18,3553;5,0,3553;5,1,3553;5,2,3553;5,3,3553;5,4,3553;5,5,3553;5,6,3553;5,7,3553;5,8,3553;5,9,3553;5,10,3553;5,11,3553;5,12,3553;5,13,3553;5,14,3553;5,15,3553;5,16,3553;5,17,3553;5,18,3553;6,0,3553;6,1,3553;6,2,3553;6,3,3553;6,4,3553;6,5,3553;6,6,3553;6,7,3553;6,8,3553;6,9,3553;6,10,3553;6,11,3553;6,12,3553;6,13,3553;6,14,3553;6,15,3553;6,16,3553;6,17,3553;6,18,3553 --disable-accelerated-video-decode --service-request-channel-token=B7165E84238AD867C7629CCC4A690A8D --renderer-client-id=2 --mojo-platform-channel-handle=1748 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:428
- - C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrCEF.exe
    "C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrCEF.exe" --type=gpu-process --disable-pack-loading --lang=en-US --log-file="C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\debug.log" --log-severity=disable --product-version="ReaderServices/19.10.20064 Chrome/64.0.3282.119" --gpu-preferences=GAAAAAAAAAAAB4AAAQAAAAAAAAAAAGAA --use-gl=swiftshader-webgl --gpu-vendor-id=0x1234 --gpu-device-id=0x1111 --gpu-driver-vendor="Google Inc." --gpu-driver-version=3.3.0.2 --gpu-driver-date=2017/04/07 --disable-pack-loading --lang=en-US --log-file="C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\debug.log" --log-severity=disable --product-version="ReaderServices/19.10.20064 Chrome/64.0.3282.119" --service-request-channel-token=529758A41EB6B871D9E30A853A698AFD --mojo-platform-channel-handle=1740 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3640
- - C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrCEF.exe
    "C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrCEF.exe" --type=renderer --disable-browser-side-navigation --disable-gpu-compositing --service-pipe-token=083AF7E794342FA43C8B61F0EB401CDE --lang=en-US --disable-pack-loading --lang=en-US --log-file="C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\debug.log" --log-severity=disable --product-version="ReaderServices/19.10.20064 Chrome/64.0.3282.119" --enable-pinch --device-scale-factor=1 --num-raster-threads=1 --enable-gpu-async-worker-context --content-image-texture-target=0,0,3553;0,1,3553;0,2,3553;0,3,3553;0,4,3553;0,5,3553;0,6,3553;0,7,3553;0,8,3553;0,9,3553;0,10,3553;0,11,3553;0,12,3553;0,13,3553;0,14,3553;0,15,3553;0,16,3553;0,17,3553;0,18,3553;1,0,3553;1,1,3553;1,2,3553;1,3,3553;1,4,3553;1,5,3553;1,6,3553;1,7,3553;1,8,3553;1,9,3553;1,10,3553;1,11,3553;1,12,3553;1,13,3553;1,14,3553;1,15,3553;1,16,3553;1,17,3553;1,18,3553;2,0,3553;2,1,3553;2,2,3553;2,3,3553;2,4,3553;2,5,3553;2,6,3553;2,7,3553;2,8,3553;2,9,3553;2,10,3553;2,11,3553;2,12,3553;2,13,3553;2,14,3553;2,15,3553;2,16,3553;2,17,3553;2,18,3553;3,0,3553;3,1,3553;3,2,3553;3,3,3553;3,4,3553;3,5,3553;3,6,3553;3,7,3553;3,8,3553;3,9,3553;3,10,3553;3,11,3553;3,12,3553;3,13,3553;3,14,3553;3,15,3553;3,16,3553;3,17,3553;3,18,3553;4,0,3553;4,1,3553;4,2,3553;4,3,3553;4,4,3553;4,5,3553;4,6,3553;4,7,3553;4,8,3553;4,9,3553;4,10,3553;4,11,3553;4,12,3553;4,13,3553;4,14,3553;4,15,3553;4,16,3553;4,17,3553;4,18,3553;5,0,3553;5,1,3553;5,2,3553;5,3,3553;5,4,3553;5,5,3553;5,6,3553;5,7,3553;5,8,3553;5,9,3553;5,10,3553;5,11,3553;5,12,3553;5,13,3553;5,14,3553;5,15,3553;5,16,3553;5,17,3553;5,18,3553;6,0,3553;6,1,3553;6,2,3553;6,3,3553;6,4,3553;6,5,3553;6,6,3553;6,7,3553;6,8,3553;6,9,3553;6,10,3553;6,11,3553;6,12,3553;6,13,3553;6,14,3553;6,15,3553;6,16,3553;6,17,3553;6,18,3553 --disable-accelerated-video-decode --service-request-channel-token=083AF7E794342FA43C8B61F0EB401CDE --renderer-client-id=4 --mojo-platform-channel-handle=2184 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:2168
- - C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrCEF.exe
    "C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrCEF.exe" --type=gpu-process --disable-pack-loading --lang=en-US --log-file="C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\debug.log" --log-severity=disable --product-version="ReaderServices/19.10.20064 Chrome/64.0.3282.119" --gpu-preferences=GAAAAAAAAAAAB4AAAQAAAAAAAAAAAGAA --use-gl=swiftshader-webgl --gpu-vendor-id=0x1234 --gpu-device-id=0x1111 --gpu-driver-vendor="Google Inc." --gpu-driver-version=3.3.0.2 --gpu-driver-date=2017/04/07 --disable-pack-loading --lang=en-US --log-file="C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\debug.log" --log-severity=disable --product-version="ReaderServices/19.10.20064 Chrome/64.0.3282.119" --service-request-channel-token=51B00FADEC25F7D4A1840B1C4056C207 --mojo-platform-channel-handle=2580 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3960
- - C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrCEF.exe
    "C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrCEF.exe" --type=gpu-process --disable-pack-loading --lang=en-US --log-file="C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\debug.log" --log-severity=disable --product-version="ReaderServices/19.10.20064 Chrome/64.0.3282.119" --gpu-preferences=GAAAAAAAAAAAB4AAAQAAAAAAAAAAAGAA --use-gl=swiftshader-webgl --gpu-vendor-id=0x1234 --gpu-device-id=0x1111 --gpu-driver-vendor="Google Inc." --gpu-driver-version=3.3.0.2 --gpu-driver-date=2017/04/07 --disable-pack-loading --lang=en-US --log-file="C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\debug.log" --log-severity=disable --product-version="ReaderServices/19.10.20064 Chrome/64.0.3282.119" --service-request-channel-token=354CC3B89A733024726728F8EAB5433A --mojo-platform-channel-handle=2684 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2532
- - C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrCEF.exe
    "C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrCEF.exe" --type=gpu-process --disable-pack-loading --lang=en-US --log-file="C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\debug.log" --log-severity=disable --product-version="ReaderServices/19.10.20064 Chrome/64.0.3282.119" --gpu-preferences=GAAAAAAAAAAAB4AAAQAAAAAAAAAAAGAA --use-gl=swiftshader-webgl --gpu-vendor-id=0x1234 --gpu-device-id=0x1111 --gpu-driver-vendor="Google Inc." --gpu-driver-version=3.3.0.2 --gpu-driver-date=2017/04/07 --disable-pack-loading --lang=en-US --log-file="C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\debug.log" --log-severity=disable --product-version="ReaderServices/19.10.20064 Chrome/64.0.3282.119" --service-request-channel-token=E1C19428DFB0BD346AB92B98D7736C0E --mojo-platform-channel-handle=2052 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:964
- - C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrCEF.exe
    "C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrCEF.exe" --type=renderer --disable-browser-side-navigation --disable-gpu-compositing --service-pipe-token=BE4604EB96B3F32E6B606E98758E408F --lang=en-US --disable-pack-loading --lang=en-US --log-file="C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\debug.log" --log-severity=disable --product-version="ReaderServices/19.10.20064 Chrome/64.0.3282.119" --enable-pinch --device-scale-factor=1 --num-raster-threads=1 --enable-gpu-async-worker-context --content-image-texture-target=0,0,3553;0,1,3553;0,2,3553;0,3,3553;0,4,3553;0,5,3553;0,6,3553;0,7,3553;0,8,3553;0,9,3553;0,10,3553;0,11,3553;0,12,3553;0,13,3553;0,14,3553;0,15,3553;0,16,3553;0,17,3553;0,18,3553;1,0,3553;1,1,3553;1,2,3553;1,3,3553;1,4,3553;1,5,3553;1,6,3553;1,7,3553;1,8,3553;1,9,3553;1,10,3553;1,11,3553;1,12,3553;1,13,3553;1,14,3553;1,15,3553;1,16,3553;1,17,3553;1,18,3553;2,0,3553;2,1,3553;2,2,3553;2,3,3553;2,4,3553;2,5,3553;2,6,3553;2,7,3553;2,8,3553;2,9,3553;2,10,3553;2,11,3553;2,12,3553;2,13,3553;2,14,3553;2,15,3553;2,16,3553;2,17,3553;2,18,3553;3,0,3553;3,1,3553;3,2,3553;3,3,3553;3,4,3553;3,5,3553;3,6,3553;3,7,3553;3,8,3553;3,9,3553;3,10,3553;3,11,3553;3,12,3553;3,13,3553;3,14,3553;3,15,3553;3,16,3553;3,17,3553;3,18,3553;4,0,3553;4,1,3553;4,2,3553;4,3,3553;4,4,3553;4,5,3553;4,6,3553;4,7,3553;4,8,3553;4,9,3553;4,10,3553;4,11,3553;4,12,3553;4,13,3553;4,14,3553;4,15,3553;4,16,3553;4,17,3553;4,18,3553;5,0,3553;5,1,3553;5,2,3553;5,3,3553;5,4,3553;5,5,3553;5,6,3553;5,7,3553;5,8,3553;5,9,3553;5,10,3553;5,11,3553;5,12,3553;5,13,3553;5,14,3553;5,15,3553;5,16,3553;5,17,3553;5,18,3553;6,0,3553;6,1,3553;6,2,3553;6,3,3553;6,4,3553;6,5,3553;6,6,3553;6,7,3553;6,8,3553;6,9,3553;6,10,3553;6,11,3553;6,12,3553;6,13,3553;6,14,3553;6,15,3553;6,16,3553;6,17,3553;6,18,3553 --disable-accelerated-video-decode --service-request-channel-token=BE4604EB96B3F32E6B606E98758E408F --renderer-client-id=10 --mojo-platform-channel-handle=2584 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:3972
- C:\Program Files (x86)\Common Files\Adobe\ARM\1.0\AdobeARM.exe
  "C:\Program Files (x86)\Common Files\Adobe\ARM\1.0\AdobeARM.exe" /PRODUCT:Reader /VERSION:19.0 /MODE:3
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of SetWindowsHookEx
  PID:1480
- - C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\Reader_sl.exe
    "C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\Reader_sl.exe"
    3⤵
    PID:2408

C:\Windows\system32\MusNotifyIcon.exe
%systemroot%\system32\MusNotifyIcon.exe NotifyTrayIcon 13
1⤵
- Checks processor information in registry
PID:3732

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:2552

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:680

C:\Windows\winsxs\amd64_microsoft-windows-servicingstack_31bf3856ad364e35_10.0.19041.1220_none_7e21bc567c7ed16b\TiWorker.exe
C:\Windows\winsxs\amd64_microsoft-windows-servicingstack_31bf3856ad364e35_10.0.19041.1220_none_7e21bc567c7ed16b\TiWorker.exe -Embedding
1⤵
- Drops file in Windows directory
- Suspicious use of AdjustPrivilegeToken
PID:1836

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

Query Registry

1

T1012

System Information Discovery

1

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads