ryuk | 0bbcd5a1b2752b281cb4acefcf62343d6a9a923ac114da6e68affd01da000ac5

General

Target

0bbcd5a1b2752b281cb4acefcf62343d6a9a923ac114da6e68affd01da000ac5.exe
Size

170KB
MD5

0af3265285656fe17d144bb1080e4dc2
SHA1

e2d30dde5224a79963037e6f654b1e77f1ed5f4c
SHA256

0bbcd5a1b2752b281cb4acefcf62343d6a9a923ac114da6e68affd01da000ac5
SHA512

46cf7d96769a092c702b8573c5a5d2770ac7577dcada868bb204727d0dbb42dd0eb0fc895e985b3a2e87e09984926331cd856728ea18297ee0d92d3815192932

Score

10^/10

ryuk persistence ransomware

Malware Config

Extracted

Path

C:\RyukReadMe.txt

Family

ryuk

Ransom Note

Your network has been penetrated. All files on each host in the network have been encrypted with a strong algorithm. Backups were either encrypted or deleted or backup disks were formatted. Shadow copies also removed, so F8 or any other methods may damage encrypted data but not recover. We exclusively have decryption software for your situation No decryption software is available in the public. DO NOT RESET OR SHUTDOWN - files may be damaged. DO NOT RENAME OR MOVE the encrypted and readme files. DO NOT DELETE readme files. This may lead to the impossibility of recovery of the certain files. To get info (decrypt your files) contact us at [email protected] or [email protected] BTC wallet: 14hVKm7Ft2rxDBFTNkkRC3kGstMGp2A4hk Ryuk No system is safe

Emails

[email protected]

Wallets

14hVKm7Ft2rxDBFTNkkRC3kGstMGp2A4hk

Signatures

Ryuk
Ransomware distributed via existing botnets, often Trickbot or Emotet.
ransomware ryuk

Suspicious use of NtCreateProcessExOtherParentProcess 4 IoCs

Processes:

WerFault.exeWerFault.exeWerFault.exeWerFault.exe

description	pid	process	target process
PID 3016 created 2620	3016	WerFault.exe	DllHost.exe
PID 3988 created 3752	3988	WerFault.exe	BackgroundTransferHost.exe
PID 1020 created 2728	1020	WerFault.exe	StartMenuExperienceHost.exe
PID 1968 created 1444	1968	WerFault.exe	backgroundTaskHost.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:

0bbcd5a1b2752b281cb4acefcf62343d6a9a923ac114da6e68affd01da000ac5.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-790714498-1549421491-1643397139-1000\Control Panel\International\Geo\Nation	0bbcd5a1b2752b281cb4acefcf62343d6a9a923ac114da6e68affd01da000ac5.exe

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

reg.exe

description	ioc	process
Key created	\REGISTRY\USER\S-1-5-21-790714498-1549421491-1643397139-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run	reg.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-790714498-1549421491-1643397139-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\svchos = "C:\\Users\\Admin\\AppData\\Local\\Temp\\0bbcd5a1b2752b281cb4acefcf62343d6a9a923ac114da6e68affd01da000ac5.exe"	reg.exe

Drops file in Program Files directory 64 IoCs

Processes:

sihost.exe

description	ioc	process
File opened for modification	C:\Program Files\Java\jdk1.8.0_66\jre\lib\content-types.properties	sihost.exe
File opened for modification	C:\Program Files\7-Zip\Lang\el.txt	sihost.exe
File opened for modification	C:\Program Files\7-Zip\Lang\ca.txt	sihost.exe
File opened for modification	C:\Program Files\7-Zip\Lang\ka.txt	sihost.exe
File opened for modification	C:\Program Files\7-Zip\Lang\nb.txt	sihost.exe
File opened for modification	C:\Program Files\7-Zip\Lang\lt.txt	sihost.exe
File opened for modification	C:\Program Files\Common Files\microsoft shared\ClickToRun\AppVClientIsv.man	sihost.exe
File opened for modification	C:\Program Files\Common Files\System\ado\adovbs.inc	sihost.exe
File opened for modification	C:\Program Files\Java\jdk1.8.0_66\jre\lib\resources.jar	sihost.exe
File opened for modification	C:\Program Files\Common Files\microsoft shared\ink\fsdefinitions\main\base.xml	sihost.exe
File opened for modification	C:\Program Files\Common Files\microsoft shared\ink\hwrcommonlm.dat	sihost.exe
File opened for modification	C:\Program Files\Common Files\System\msadc\de-DE\RyukReadMe.txt	sihost.exe
File opened for modification	C:\Program Files\Java\jdk1.8.0_66\db\bin\stopNetworkServer	sihost.exe
File opened for modification	C:\Program Files\Java\jdk1.8.0_66\jre\lib\ext\access-bridge-64.jar	sihost.exe
File opened for modification	C:\Program Files\7-Zip\Lang\io.txt	sihost.exe
File opened for modification	C:\Program Files\7-Zip\Lang\si.txt	sihost.exe
File opened for modification	C:\Program Files\Common Files\microsoft shared\ink\ipskor.xml	sihost.exe
File opened for modification	C:\Program Files\Common Files\microsoft shared\ink\fsdefinitions\auxpad\RyukReadMe.txt	sihost.exe
File opened for modification	C:\Program Files\Common Files\System\de-DE\RyukReadMe.txt	sihost.exe
File opened for modification	C:\Program Files\Java\jdk1.8.0_66\jre\RyukReadMe.txt	sihost.exe
File opened for modification	C:\Program Files\Java\jdk1.8.0_66\jre\lib\management\snmp.acl.template	sihost.exe
File opened for modification	C:\Program Files\Java\jdk1.8.0_66\jre\lib\ext\localedata.jar	sihost.exe
File opened for modification	C:\Program Files\7-Zip\Lang\hu.txt	sihost.exe
File opened for modification	C:\Program Files\Common Files\microsoft shared\ink\hr-HR\RyukReadMe.txt	sihost.exe
File opened for modification	C:\Program Files\Common Files\microsoft shared\MSInfo\RyukReadMe.txt	sihost.exe
File opened for modification	C:\Program Files\Common Files\microsoft shared\VC\RyukReadMe.txt	sihost.exe
File opened for modification	C:\Program Files\Common Files\System\Ole DB\es-ES\sqloledb.rll.mui	sihost.exe
File opened for modification	C:\Program Files\Java\jdk1.8.0_66\db\bin\setNetworkServerCP	sihost.exe
File opened for modification	C:\Program Files\Java\jdk1.8.0_66\jre\lib\calendars.properties	sihost.exe
File opened for modification	C:\Program Files\Java\jdk1.8.0_66\jre\lib\ext\zipfs.jar	sihost.exe
File opened for modification	C:\Program Files\Java\jdk1.8.0_66\jre\lib\javafx.properties	sihost.exe
File opened for modification	C:\Program Files\Common Files\microsoft shared\ink\hwrenUSlm.dat	sihost.exe
File opened for modification	C:\Program Files\Common Files\microsoft shared\ink\ro-RO\RyukReadMe.txt	sihost.exe
File opened for modification	C:\Program Files\Common Files\microsoft shared\ink\th-TH\RyukReadMe.txt	sihost.exe
File opened for modification	C:\Program Files\Common Files\microsoft shared\ink\fsdefinitions\oskclearui.xml	sihost.exe
File opened for modification	C:\Program Files\Common Files\microsoft shared\VSTO\10.0\RyukReadMe.txt	sihost.exe
File opened for modification	C:\Program Files\Internet Explorer\fr-FR\RyukReadMe.txt	sihost.exe
File opened for modification	C:\Program Files\Java\jdk1.8.0_66\db\lib\derbyLocale_de_DE.jar	sihost.exe
File opened for modification	C:\Program Files\Java\jdk1.8.0_66\db\lib\derbynet.jar	sihost.exe
File opened for modification	C:\Program Files\Java\jdk1.8.0_66\jre\lib\fonts\LucidaSansRegular.ttf	sihost.exe
File opened for modification	C:\Program Files\7-Zip\7-zip.chm	sihost.exe
File opened for modification	C:\Program Files\7-Zip\Lang\kaa.txt	sihost.exe
File opened for modification	C:\Program Files\Common Files\microsoft shared\ink\fsdefinitions\main\base_heb.xml	sihost.exe
File opened for modification	C:\Program Files\Common Files\microsoft shared\ink\fsdefinitions\symbols\RyukReadMe.txt	sihost.exe
File opened for modification	C:\Program Files\Common Files\System\es-ES\RyukReadMe.txt	sihost.exe
File opened for modification	C:\Program Files\Common Files\System\it-IT\RyukReadMe.txt	sihost.exe
File opened for modification	C:\Program Files\Java\jdk1.8.0_66\include\win32\jni_md.h	sihost.exe
File opened for modification	C:\Program Files\Common Files\microsoft shared\VSTO\RyukReadMe.txt	sihost.exe
File opened for modification	C:\Program Files\Common Files\System\msadc\RyukReadMe.txt	sihost.exe
File opened for modification	C:\Program Files\Common Files\System\Ole DB\sqloledb.rll	sihost.exe
File opened for modification	C:\Program Files\Java\jdk1.8.0_66\jre\lib\fonts\LucidaTypewriterRegular.ttf	sihost.exe
File opened for modification	C:\Program Files\7-Zip\Lang\hr.txt	sihost.exe
File opened for modification	C:\Program Files\Common Files\microsoft shared\ClickToRun\SharedPerformance.man	sihost.exe
File opened for modification	C:\Program Files\Common Files\microsoft shared\ink\fsdefinitions\main.xml	sihost.exe
File opened for modification	C:\Program Files\CopyReset.search-ms	sihost.exe
File opened for modification	C:\Program Files\Java\jdk1.8.0_66\RyukReadMe.txt	sihost.exe
File opened for modification	C:\Program Files\Java\jdk1.8.0_66\db\lib\derbyLocale_it.jar	sihost.exe
File opened for modification	C:\Program Files\7-Zip\readme.txt	sihost.exe
File opened for modification	C:\Program Files\Common Files\microsoft shared\ink\fsdefinitions\oskmenu\RyukReadMe.txt	sihost.exe
File opened for modification	C:\Program Files\Java\jdk1.8.0_66\jre\bin\server\classes.jsa	sihost.exe
File opened for modification	C:\Program Files\Java\jdk1.8.0_66\jre\lib\management-agent.jar	sihost.exe
File opened for modification	C:\Program Files\Java\jdk1.8.0_66\jre\lib\cmm\PYCC.pf	sihost.exe
File opened for modification	C:\Program Files\Common Files\microsoft shared\Stationery\RyukReadMe.txt	sihost.exe
File opened for modification	C:\Program Files\Common Files\System\fr-FR\RyukReadMe.txt	sihost.exe

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

System Information Discovery
T1082

Program crash 5 IoCs

Processes:

WerFault.exeWerFault.exeWerFault.exeWerFault.exeWerFault.exe

pid	pid_target	process	target process
4208	2620	WerFault.exe	DllHost.exe
4756	3752	WerFault.exe	BackgroundTransferHost.exe
4768	2620	WerFault.exe	DllHost.exe
4752	1444	WerFault.exe	backgroundTaskHost.exe
4800	2728	WerFault.exe	StartMenuExperienceHost.exe

Checks processor information in registry 2 TTPs 5 IoCs

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

Query Registry

T1012

System Information Discovery

T1082

Processes:

MusNotifyIcon.exeWerFault.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
Key opened	\REGISTRY\MACHINE\Hardware\Description\System\CentralProcessor\0	WerFault.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz	WerFault.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	WerFault.exe

Enumerates system info in registry 2 TTPs 2 IoCs

Query Registry

T1012

System Information Discovery

T1082

Processes:

WerFault.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\Hardware\Description\System\BIOS	WerFault.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemSKU	WerFault.exe

Modifies data under HKEY_USERS 19 IoCs

Processes:

svchost.exe

description	ioc	process
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\DownloadMonthlyInternetBytes = "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\DownloadMonthlyRateFrBps = "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\Config\DODownloadMode = "1"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\DownloadMonthlyGroupBytes = "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\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\DownloadMonthlyRateFrCnt = "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\MonthID = "2"	svchost.exe
Key created	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Config	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\DownloadMode_BackCompat = "1"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\UploadMonthlyLanBytes = "0"	svchost.exe

Modifies registry class 2 IoCs

Processes:

RuntimeBroker.exe

description	ioc	process
Key created	\REGISTRY\USER\S-1-5-21-790714498-1549421491-1643397139-1000_Classes\Local Settings\Software\Microsoft\Windows\CurrentVersion\AppModel\SystemAppData\Microsoft.Windows.ContentDeliveryManager_cw5n1h2txyewy\PersistedStorageItemTable	RuntimeBroker.exe
Key created	\REGISTRY\USER\S-1-5-21-790714498-1549421491-1643397139-1000_Classes\Local Settings\Software\Microsoft\Windows\CurrentVersion\AppModel\SystemAppData\Microsoft.Windows.ContentDeliveryManager_cw5n1h2txyewy\PersistedStorageItemTable\System	RuntimeBroker.exe

Suspicious behavior: EnumeratesProcesses 8 IoCs

Processes:

0bbcd5a1b2752b281cb4acefcf62343d6a9a923ac114da6e68affd01da000ac5.exeWerFault.exeWerFault.exeWerFault.exe

pid	process
2028	0bbcd5a1b2752b281cb4acefcf62343d6a9a923ac114da6e68affd01da000ac5.exe
2028	0bbcd5a1b2752b281cb4acefcf62343d6a9a923ac114da6e68affd01da000ac5.exe
4756	WerFault.exe
4756	WerFault.exe
4800	WerFault.exe
4800	WerFault.exe
4208	WerFault.exe
4208	WerFault.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

0bbcd5a1b2752b281cb4acefcf62343d6a9a923ac114da6e68affd01da000ac5.exe

description pid process

Token: SeDebugPrivilege 2028 0bbcd5a1b2752b281cb4acefcf62343d6a9a923ac114da6e68affd01da000ac5.exe
Suspicious use of UnmapMainImage 1 IoCs

Processes:

RuntimeBroker.exe

pid process

2888 RuntimeBroker.exe

description	pid	process
Token: SeDebugPrivilege	2028	0bbcd5a1b2752b281cb4acefcf62343d6a9a923ac114da6e68affd01da000ac5.exe

pid	process
2888	RuntimeBroker.exe

Suspicious use of WriteProcessMemory 28 IoCs

Processes:

0bbcd5a1b2752b281cb4acefcf62343d6a9a923ac114da6e68affd01da000ac5.execmd.exeDllHost.exeWerFault.exeWerFault.exeWerFault.exeWerFault.exe

description	pid	process	target process
PID 2028 wrote to memory of 1980	2028	0bbcd5a1b2752b281cb4acefcf62343d6a9a923ac114da6e68affd01da000ac5.exe	cmd.exe
PID 2028 wrote to memory of 1980	2028	0bbcd5a1b2752b281cb4acefcf62343d6a9a923ac114da6e68affd01da000ac5.exe	cmd.exe
PID 2028 wrote to memory of 2096	2028	0bbcd5a1b2752b281cb4acefcf62343d6a9a923ac114da6e68affd01da000ac5.exe	sihost.exe
PID 1980 wrote to memory of 3324	1980	cmd.exe	reg.exe
PID 1980 wrote to memory of 3324	1980	cmd.exe	reg.exe
PID 2028 wrote to memory of 2112	2028	0bbcd5a1b2752b281cb4acefcf62343d6a9a923ac114da6e68affd01da000ac5.exe	svchost.exe
PID 2028 wrote to memory of 2156	2028	0bbcd5a1b2752b281cb4acefcf62343d6a9a923ac114da6e68affd01da000ac5.exe	taskhostw.exe
PID 2028 wrote to memory of 2416	2028	0bbcd5a1b2752b281cb4acefcf62343d6a9a923ac114da6e68affd01da000ac5.exe	svchost.exe
PID 2028 wrote to memory of 2620	2028	0bbcd5a1b2752b281cb4acefcf62343d6a9a923ac114da6e68affd01da000ac5.exe	DllHost.exe
PID 2028 wrote to memory of 2728	2028	0bbcd5a1b2752b281cb4acefcf62343d6a9a923ac114da6e68affd01da000ac5.exe	StartMenuExperienceHost.exe
PID 2028 wrote to memory of 2888	2028	0bbcd5a1b2752b281cb4acefcf62343d6a9a923ac114da6e68affd01da000ac5.exe	RuntimeBroker.exe
PID 2028 wrote to memory of 3032	2028	0bbcd5a1b2752b281cb4acefcf62343d6a9a923ac114da6e68affd01da000ac5.exe	SearchApp.exe
PID 2028 wrote to memory of 3108	2028	0bbcd5a1b2752b281cb4acefcf62343d6a9a923ac114da6e68affd01da000ac5.exe	RuntimeBroker.exe
PID 2028 wrote to memory of 3460	2028	0bbcd5a1b2752b281cb4acefcf62343d6a9a923ac114da6e68affd01da000ac5.exe	RuntimeBroker.exe
PID 2028 wrote to memory of 2880	2028	0bbcd5a1b2752b281cb4acefcf62343d6a9a923ac114da6e68affd01da000ac5.exe	RuntimeBroker.exe
PID 2028 wrote to memory of 3292	2028	0bbcd5a1b2752b281cb4acefcf62343d6a9a923ac114da6e68affd01da000ac5.exe	backgroundTaskHost.exe
PID 2028 wrote to memory of 1444	2028	0bbcd5a1b2752b281cb4acefcf62343d6a9a923ac114da6e68affd01da000ac5.exe	backgroundTaskHost.exe
PID 2028 wrote to memory of 3752	2028	0bbcd5a1b2752b281cb4acefcf62343d6a9a923ac114da6e68affd01da000ac5.exe	BackgroundTransferHost.exe
PID 2620 wrote to memory of 4208	2620	DllHost.exe	WerFault.exe
PID 2620 wrote to memory of 4208	2620	DllHost.exe	WerFault.exe
PID 1968 wrote to memory of 1444	1968	WerFault.exe	backgroundTaskHost.exe
PID 1968 wrote to memory of 1444	1968	WerFault.exe	backgroundTaskHost.exe
PID 3016 wrote to memory of 2620	3016	WerFault.exe	DllHost.exe
PID 3016 wrote to memory of 2620	3016	WerFault.exe	DllHost.exe
PID 1020 wrote to memory of 2728	1020	WerFault.exe	StartMenuExperienceHost.exe
PID 1020 wrote to memory of 2728	1020	WerFault.exe	StartMenuExperienceHost.exe
PID 3988 wrote to memory of 3752	3988	WerFault.exe	BackgroundTransferHost.exe
PID 3988 wrote to memory of 3752	3988	WerFault.exe	BackgroundTransferHost.exe

C:\Windows\system32\backgroundTaskHost.exe
"C:\Windows\system32\backgroundTaskHost.exe" -ServerName:App.AppXmtcan0h2tfbfy7k9kn8hbxb6dmzz1zh0.mca
1⤵
PID:1444

C:\Windows\system32\WerFault.exe
C:\Windows\system32\WerFault.exe -u -p 1444 -s 1920
2⤵
- Program crash
PID:4752

C:\Windows\system32\backgroundTaskHost.exe
"C:\Windows\system32\backgroundTaskHost.exe" -ServerName:CortanaUI.AppX3bn25b6f886wmg6twh46972vprk9tnbf.mca
1⤵
PID:3292

C:\Windows\System32\RuntimeBroker.exe
C:\Windows\System32\RuntimeBroker.exe -Embedding
1⤵
- Modifies registry class
PID:2880

C:\Windows\System32\RuntimeBroker.exe
C:\Windows\System32\RuntimeBroker.exe -Embedding
1⤵
PID:3460

C:\Windows\System32\RuntimeBroker.exe
C:\Windows\System32\RuntimeBroker.exe -Embedding
1⤵
PID:3108

C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe
"C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe" -ServerName:CortanaUI.AppX8z9r6jm96hw4bsbneegw0kyxx296wr9t.mca
1⤵
PID:3032

C:\Windows\System32\RuntimeBroker.exe
C:\Windows\System32\RuntimeBroker.exe -Embedding
1⤵
- Suspicious use of UnmapMainImage
PID:2888

C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe
"C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe" -ServerName:App.AppXywbrabmsek0gm3tkwpr5kwzbs55tkqay.mca
1⤵
PID:2728

C:\Windows\system32\WerFault.exe
C:\Windows\system32\WerFault.exe -u -p 2728 -s 2780
2⤵
- Program crash
- Suspicious behavior: EnumeratesProcesses
PID:4800

C:\Windows\system32\DllHost.exe
C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
1⤵
- Suspicious use of WriteProcessMemory
PID:2620

C:\Windows\system32\WerFault.exe
C:\Windows\system32\WerFault.exe -u -p 2620 -s 1016
2⤵
- Program crash
- Suspicious behavior: EnumeratesProcesses
PID:4208

C:\Windows\system32\WerFault.exe
C:\Windows\system32\WerFault.exe -u -p 2620 -s 1016
2⤵
- Program crash
PID:4768

C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k ClipboardSvcGroup -p
1⤵
PID:2416

C:\Windows\system32\taskhostw.exe
taskhostw.exe {222A245B-E637-4AE9-A93F-A59CA119A75E}
1⤵
PID:2156

C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k UnistackSvcGroup
1⤵
PID:2112

C:\Windows\system32\sihost.exe
sihost.exe
1⤵
- Drops file in Program Files directory
PID:2096

C:\Users\Admin\AppData\Local\Temp\0bbcd5a1b2752b281cb4acefcf62343d6a9a923ac114da6e68affd01da000ac5.exe
"C:\Users\Admin\AppData\Local\Temp\0bbcd5a1b2752b281cb4acefcf62343d6a9a923ac114da6e68affd01da000ac5.exe"
1⤵
- Checks computer location settings
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2028

C:\Windows\System32\cmd.exe
"C:\Windows\System32\cmd.exe" /C REG ADD "HKEY_CURRENT_USER\SOFTWARE\Microsoft\Windows\CurrentVersion\Run" /v "svchos" /t REG_SZ /d "C:\Users\Admin\AppData\Local\Temp\0bbcd5a1b2752b281cb4acefcf62343d6a9a923ac114da6e68affd01da000ac5.exe" /f
2⤵
- Suspicious use of WriteProcessMemory
PID:1980

C:\Windows\system32\reg.exe
REG ADD "HKEY_CURRENT_USER\SOFTWARE\Microsoft\Windows\CurrentVersion\Run" /v "svchos" /t REG_SZ /d "C:\Users\Admin\AppData\Local\Temp\0bbcd5a1b2752b281cb4acefcf62343d6a9a923ac114da6e68affd01da000ac5.exe" /f
3⤵
- Adds Run key to start application
PID:3324

C:\Windows\system32\BackgroundTransferHost.exe
"BackgroundTransferHost.exe" -ServerName:BackgroundTransferHost.1
1⤵
PID:3752

C:\Windows\system32\WerFault.exe
C:\Windows\system32\WerFault.exe -u -p 3752 -s 664
2⤵
- Program crash
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious behavior: EnumeratesProcesses
PID:4756

C:\Windows\system32\MusNotifyIcon.exe
%systemroot%\system32\MusNotifyIcon.exe NotifyTrayIcon 13
1⤵
- Checks processor information in registry
PID:2180

C:\Windows\system32\WerFault.exe
C:\Windows\system32\WerFault.exe -pss -s 420 -p 2620 -ip 2620
1⤵
- Suspicious use of NtCreateProcessExOtherParentProcess
- Suspicious use of WriteProcessMemory
PID:3016

C:\Windows\system32\WerFault.exe
C:\Windows\system32\WerFault.exe -pss -s 476 -p 1444 -ip 1444
1⤵
- Suspicious use of NtCreateProcessExOtherParentProcess
- Suspicious use of WriteProcessMemory
PID:1968

C:\Windows\system32\WerFault.exe
C:\Windows\system32\WerFault.exe -pss -s 496 -p 3752 -ip 3752
1⤵
- Suspicious use of NtCreateProcessExOtherParentProcess
- Suspicious use of WriteProcessMemory
PID:3988

C:\Windows\system32\WerFault.exe
C:\Windows\system32\WerFault.exe -pss -s 528 -p 2728 -ip 2728
1⤵
- Suspicious use of NtCreateProcessExOtherParentProcess
- Suspicious use of WriteProcessMemory
PID:1020

C:\Windows\System32\svchost.exe
C:\Windows\System32\svchost.exe -k NetworkService -p
1⤵
- Modifies data under HKEY_USERS
PID:5060

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

1

T1060

Privilege Escalation

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

Query Registry

3

T1012

System Information Discovery

4

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Packages\microsoft.windows.contentdeliverymanager_cw5n1h2txyewy\AC\Microsoft\Crypto\RSA\S-1-5-21-790714498-1549421491-1643397139-1000\08e575673cce10c72090304839888e02_0d751396-3164-4736-b931-4f59d47ff1f2_4e5a6fffd34f5a98a3ffc9d0e34ac87b
MD5
469aa816010c9c8639a9176f625189af

SHA1
2f1050adf64f33298ff0ce423eb86d4728441b21

SHA256
7955cb2de90dd9efc6df9fdbf5f5d10c114f4135a9a6b52db1003be749e32f7a

SHA512
c331a2a21695186c1ebd2c9facdc5fa856bedc757a50936b72577e76147373747d26bacfce0e165f089e182cc227ada737a0b42e51d9bdec16fb5f8ca795b091

Download Submit
memory/2096-130-0x00007FF706DD0000-0x00007FF70715E000-memory.dmp

Filesize
3.6MB

Download
memory/2156-131-0x00007FF706DD0000-0x00007FF70715E000-memory.dmp

Filesize
3.6MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads