Analysis Overview
SHA256
3d240e8f42c1ea380b06300235f77423f09bae5b81021150ad4e7aaaf18e8689
Threat Level: Known bad
The file 3d240e8f42c1ea380b06300235f77423f09bae5b81021150ad4e7aaaf18e8689 was found to be: Known bad.
Malicious Activity Summary
Ryuk
Executes dropped EXE
Loads dropped DLL
Checks computer location settings
Drops file in Windows directory
Enumerates physical storage devices
Modifies data under HKEY_USERS
Runs net.exe
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Checks processor information in registry
MITRE ATT&CK
Enterprise Matrix V6
Analysis: static1
Detonation Overview
Reported
2022-02-20 08:15
Signatures
Analysis: behavioral2
Detonation Overview
Submitted
2022-02-20 08:15
Reported
2022-02-20 09:34
Platform
win10v2004-en-20220112
Max time kernel
210s
Max time network
218s
Command Line
Signatures
Ryuk
Executes dropped EXE
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\jcbKeBo.exe | N/A |
Checks computer location settings
| Description | Indicator | Process | Target |
| Key value queried | \REGISTRY\USER\S-1-5-21-790714498-1549421491-1643397139-1000\Control Panel\International\Geo\Nation | C:\Users\Admin\AppData\Local\Temp\3d240e8f42c1ea380b06300235f77423f09bae5b81021150ad4e7aaaf18e8689.exe | N/A |
| Key value queried | \REGISTRY\USER\S-1-5-21-790714498-1549421491-1643397139-1000\Control Panel\International\Geo\Nation | C:\Users\Admin\AppData\Local\Temp\jcbKeBo.exe | N/A |
Drops file in Windows directory
| Description | Indicator | Process | Target |
| File opened for modification | C:\Windows\ServiceProfiles\NetworkService\AppData\Local\Microsoft\Windows\DeliveryOptimization\State\keyValueLKG.dat | C:\Windows\System32\svchost.exe | N/A |
| File opened for modification | C:\Windows\Logs\CBS\CBS.log | C:\Windows\winsxs\amd64_microsoft-windows-servicingstack_31bf3856ad364e35_10.0.19041.1220_none_7e21bc567c7ed16b\TiWorker.exe | N/A |
| File opened for modification | C:\Windows\WinSxS\pending.xml | C:\Windows\winsxs\amd64_microsoft-windows-servicingstack_31bf3856ad364e35_10.0.19041.1220_none_7e21bc567c7ed16b\TiWorker.exe | N/A |
Enumerates physical storage devices
Checks processor information in registry
| Description | Indicator | Process | Target |
| Key opened | \Registry\Machine\HARDWARE\DESCRIPTION\System\CentralProcessor\0 | C:\Windows\system32\MusNotifyIcon.exe | N/A |
| Key value queried | \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz | C:\Windows\system32\MusNotifyIcon.exe | N/A |
Modifies data under HKEY_USERS
| Description | Indicator | Process | Target |
| Set value (int) | \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MonthlyUploadRestriction = "0" | C:\Windows\System32\svchost.exe | N/A |
| Key created | \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Settings | C:\Windows\System32\svchost.exe | N/A |
| Set value (int) | \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\DownloadMonthlyLinkLocalBytes = "0" | C:\Windows\System32\svchost.exe | N/A |
| 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" | C:\Windows\System32\svchost.exe | N/A |
| Set value (int) | \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\SwarmCount = "1" | C:\Windows\System32\svchost.exe | N/A |
| Set value (int) | \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\GroupConnectionCount = "0" | C:\Windows\System32\svchost.exe | N/A |
| Key created | \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage | C:\Windows\System32\svchost.exe | N/A |
| Set value (int) | \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\UploadMonthlyInternetBytes = "0" | C:\Windows\System32\svchost.exe | N/A |
| Set value (str) | \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "2.500063" | C:\Windows\System32\svchost.exe | N/A |
| Set value (str) | \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "4.547179" | C:\Windows\System32\svchost.exe | N/A |
| Set value (int) | \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\UploadMonthlyLanBytes = "0" | C:\Windows\System32\svchost.exe | N/A |
| Set value (int) | \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\DownloadMonthlyInternetBytes = "0" | C:\Windows\System32\svchost.exe | N/A |
| Set value (int) | \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\FrDownloadRatePct = "90" | C:\Windows\System32\svchost.exe | N/A |
| Set value (int) | \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\PriorityDownloadPendingCount = "0" | C:\Windows\System32\svchost.exe | N/A |
| Set value (int) | \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\NormalDownloadCount = "0" | C:\Windows\System32\svchost.exe | N/A |
| Key created | \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Config | C:\Windows\System32\svchost.exe | N/A |
| Set value (int) | \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Config\DownloadMode_BackCompat = "1" | C:\Windows\System32\svchost.exe | N/A |
| Set value (int) | \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\DownloadMonthlyCacheHostBytes = "0" | C:\Windows\System32\svchost.exe | N/A |
| Set value (int) | \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\DownloadMonthlyGroupBytes = "0" | C:\Windows\System32\svchost.exe | N/A |
| Set value (int) | \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CacheSizeBytes = "0" | C:\Windows\System32\svchost.exe | N/A |
| Set value (int) | \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MemoryUsageKB = "4328" | C:\Windows\System32\svchost.exe | N/A |
| Set value (int) | \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\SwarmCount = "0" | C:\Windows\System32\svchost.exe | N/A |
| Set value (int) | \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\DownloadMonthlyRateFrCnt = "0" | C:\Windows\System32\svchost.exe | N/A |
| 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" | C:\Windows\System32\svchost.exe | N/A |
| Set value (int) | \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\LANConnectionCount = "0" | C:\Windows\System32\svchost.exe | N/A |
| Set value (int) | \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\InternetConnectionCount = "0" | C:\Windows\System32\svchost.exe | N/A |
| Set value (int) | \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\BkDownloadRatePct = "45" | C:\Windows\System32\svchost.exe | N/A |
| Set value (int) | \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\DownlinkBps = "0" | C:\Windows\System32\svchost.exe | N/A |
| Set value (int) | \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\PriorityDownloadCount = "0" | C:\Windows\System32\svchost.exe | N/A |
| Set value (int) | \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Config\DODownloadMode = "1" | C:\Windows\System32\svchost.exe | N/A |
| Set value (int) | \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\DownloadMonthlyCdnBytes = "0" | C:\Windows\System32\svchost.exe | N/A |
| Set value (int) | \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\DownloadMonthlyRateFrBps = "0" | C:\Windows\System32\svchost.exe | N/A |
| Set value (int) | \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\DownloadMonthlyRateBkBps = "0" | C:\Windows\System32\svchost.exe | N/A |
| Set value (int) | \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\LinkLocalConnectionCount = "0" | C:\Windows\System32\svchost.exe | N/A |
| Set value (int) | \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\DownlinkUsageBps = "0" | C:\Windows\System32\svchost.exe | N/A |
| Set value (int) | \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\UploadCount = "0" | C:\Windows\System32\svchost.exe | N/A |
| Set value (int) | \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\NormalDownloadPendingCount = "0" | C:\Windows\System32\svchost.exe | N/A |
| Key created | \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization | C:\Windows\System32\svchost.exe | N/A |
| Set value (int) | \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\DownloadMonthlyLanBytes = "0" | C:\Windows\System32\svchost.exe | N/A |
| Set value (int) | \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\DownloadMonthlyRateBkCnt = "0" | C:\Windows\System32\svchost.exe | N/A |
| Set value (int) | \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MonthID = "2" | C:\Windows\System32\svchost.exe | N/A |
| Set value (int) | \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CDNConnectionCount = "0" | C:\Windows\System32\svchost.exe | N/A |
| Set value (int) | \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MemoryUsageKB = "4120" | C:\Windows\System32\svchost.exe | N/A |
| Set value (str) | \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "2.325084" | C:\Windows\System32\svchost.exe | N/A |
| Set value (int) | \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Config\KVFileExpirationTime = "132899995908541781" | C:\Windows\System32\svchost.exe | N/A |
| Set value (int) | \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\PeerInfoCount = "0" | C:\Windows\System32\svchost.exe | N/A |
| Set value (int) | \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\UplinkBps = "0" | C:\Windows\System32\svchost.exe | N/A |
| Set value (int) | \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\UplinkUsageBps = "0" | C:\Windows\System32\svchost.exe | N/A |
| Set value (int) | \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\UploadRatePct = "100" | C:\Windows\System32\svchost.exe | N/A |
Runs net.exe
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Processes
C:\Users\Admin\AppData\Local\Temp\3d240e8f42c1ea380b06300235f77423f09bae5b81021150ad4e7aaaf18e8689.exe
"C:\Users\Admin\AppData\Local\Temp\3d240e8f42c1ea380b06300235f77423f09bae5b81021150ad4e7aaaf18e8689.exe"
C:\Windows\system32\MusNotifyIcon.exe
%systemroot%\system32\MusNotifyIcon.exe NotifyTrayIcon 13
C:\Windows\System32\svchost.exe
C:\Windows\System32\svchost.exe -k NetworkService -p
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
C:\Users\Admin\AppData\Local\Temp\jcbKeBo.exe
"C:\Users\Admin\AppData\Local\Temp\jcbKeBo.exe" 8 LAN
C:\Windows\SysWOW64\net.exe
"C:\Windows\System32\net.exe" stop "audioendpointbuilder" /y
C:\Windows\SysWOW64\net.exe
"C:\Windows\System32\net.exe" stop "samss" /y
C:\Windows\SysWOW64\net.exe
"C:\Windows\System32\net.exe" stop "audioendpointbuilder" /y
C:\Windows\SysWOW64\net.exe
"C:\Windows\System32\net.exe" stop "audioendpointbuilder" /y
C:\Windows\SysWOW64\net.exe
"C:\Windows\System32\net.exe" stop "samss" /y
C:\Windows\SysWOW64\net.exe
"C:\Windows\System32\net.exe" stop "samss" /y
C:\Windows\SysWOW64\net1.exe
C:\Windows\system32\net1 stop "audioendpointbuilder" /y
C:\Windows\SysWOW64\net1.exe
C:\Windows\system32\net1 stop "audioendpointbuilder" /y
C:\Windows\SysWOW64\net1.exe
C:\Windows\system32\net1 stop "samss" /y
C:\Windows\SysWOW64\net1.exe
C:\Windows\system32\net1 stop "samss" /y
C:\Windows\SysWOW64\net1.exe
C:\Windows\system32\net1 stop "audioendpointbuilder" /y
C:\Windows\SysWOW64\net1.exe
C:\Windows\system32\net1 stop "samss" /y
Network
| Country | Destination | Domain | Proto |
| US | 209.197.3.8:80 | tcp | |
| US | 93.184.221.240:80 | tcp | |
| US | 8.8.8.8:53 | geo.prod.do.dsp.mp.microsoft.com | udp |
| IE | 51.104.167.255:443 | geo.prod.do.dsp.mp.microsoft.com | tcp |
| US | 8.8.8.8:53 | kv801.prod.do.dsp.mp.microsoft.com | udp |
| NL | 184.29.205.60:443 | kv801.prod.do.dsp.mp.microsoft.com | tcp |
| US | 8.8.8.8:53 | cp801.prod.do.dsp.mp.microsoft.com | udp |
| NL | 184.29.205.60:443 | cp801.prod.do.dsp.mp.microsoft.com | tcp |
| NL | 184.29.205.60:443 | cp801.prod.do.dsp.mp.microsoft.com | tcp |
| N/A | 10.127.0.1:7 | udp | |
| NL | 154.61.71.13:7 | udp | |
| N/A | 224.0.0.22:7 | udp | |
| N/A | 224.0.0.251:7 | udp | |
| N/A | 224.0.0.252:7 | udp | |
| N/A | 239.255.255.250:7 | udp |
Files
C:\Users\Admin\AppData\Local\Temp\jcbKeBo.exe
| MD5 | aa8d5eec0c68de288fdd55a128e77e95 |
| SHA1 | 496e01324adba5e4db50cb723cc0f4593dfdf6b3 |
| SHA256 | 3d240e8f42c1ea380b06300235f77423f09bae5b81021150ad4e7aaaf18e8689 |
| SHA512 | 86700f73ac9da32ff9c5e6ea249ff0dd362a11ca3fd5dd4730c3cc5ccbdc2893a288e4ad26c89dd30e33e841c43cd4cb55ee989efa9e2ecad947ab1a198a7fe2 |
C:\Users\Admin\AppData\Local\Temp\jcbKeBo.exe
| MD5 | aa8d5eec0c68de288fdd55a128e77e95 |
| SHA1 | 496e01324adba5e4db50cb723cc0f4593dfdf6b3 |
| SHA256 | 3d240e8f42c1ea380b06300235f77423f09bae5b81021150ad4e7aaaf18e8689 |
| SHA512 | 86700f73ac9da32ff9c5e6ea249ff0dd362a11ca3fd5dd4730c3cc5ccbdc2893a288e4ad26c89dd30e33e841c43cd4cb55ee989efa9e2ecad947ab1a198a7fe2 |
C:\ProgramData\Microsoft\Crypto\RSA\MachineKeys\08e575673cce10c72090304839888e02_0d751396-3164-4736-b931-4f59d47ff1f2
| MD5 | 93a5aadeec082ffc1bca5aa27af70f52 |
| SHA1 | 47a92aee3ea4d1c1954ed4da9f86dd79d9277d31 |
| SHA256 | a1a21799e98f97f271657ce656076f33dcb020d9370f1f2671d783cafd230294 |
| SHA512 | df388c8d83e779e006d6311b2046fcf9259ec33d379fc0e2c6a4b6b90418f587a12c5c23acd488413a02568ca2d3effe04608ec7c791925c7ed53dc71093ca45 |
C:\Users\Admin\AppData\Local\Temp\RyukReadMe.html
| MD5 | c6b39645b1dbfb5cef7ff3a06eb45a5f |
| SHA1 | 582fc94349b00e518bbb5c706e7cc8adc75ecab6 |
| SHA256 | 4962251e42282a3fd2b73dacc827a09cfae86f5474cd14ec59d39ed085b77206 |
| SHA512 | 21471cd47aae47ca7c391a8fd4fab58824c7cf536ed037c7e88bf3b7d33a3df285c0860e21984234e38dea4021db77f5b3f6b571d4b2892cb4ef6ffc6430c186 |
Analysis: behavioral1
Detonation Overview
Submitted
2022-02-20 08:15
Reported
2022-02-20 09:34
Platform
win7-en-20211208
Max time kernel
182s
Max time network
101s
Command Line
Signatures
Ryuk
Executes dropped EXE
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\iWrgMWM.exe | N/A |
Loads dropped DLL
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\3d240e8f42c1ea380b06300235f77423f09bae5b81021150ad4e7aaaf18e8689.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\3d240e8f42c1ea380b06300235f77423f09bae5b81021150ad4e7aaaf18e8689.exe | N/A |
Enumerates physical storage devices
Runs net.exe
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
| Description | Indicator | Process | Target |
| Token: SeBackupPrivilege | N/A | C:\Users\Admin\AppData\Local\Temp\3d240e8f42c1ea380b06300235f77423f09bae5b81021150ad4e7aaaf18e8689.exe | N/A |
| Token: SeBackupPrivilege | N/A | C:\Users\Admin\AppData\Local\Temp\iWrgMWM.exe | N/A |
Suspicious use of WriteProcessMemory
Processes
C:\Users\Admin\AppData\Local\Temp\3d240e8f42c1ea380b06300235f77423f09bae5b81021150ad4e7aaaf18e8689.exe
"C:\Users\Admin\AppData\Local\Temp\3d240e8f42c1ea380b06300235f77423f09bae5b81021150ad4e7aaaf18e8689.exe"
C:\Users\Admin\AppData\Local\Temp\iWrgMWM.exe
"C:\Users\Admin\AppData\Local\Temp\iWrgMWM.exe" 8 LAN
C:\Windows\SysWOW64\net.exe
"C:\Windows\System32\net.exe" stop "audioendpointbuilder" /y
C:\Windows\SysWOW64\net1.exe
C:\Windows\system32\net1 stop "audioendpointbuilder" /y
C:\Windows\SysWOW64\net.exe
"C:\Windows\System32\net.exe" stop "samss" /y
C:\Windows\SysWOW64\net1.exe
C:\Windows\system32\net1 stop "samss" /y
C:\Windows\SysWOW64\net.exe
"C:\Windows\System32\net.exe" stop "audioendpointbuilder" /y
C:\Windows\SysWOW64\net1.exe
C:\Windows\system32\net1 stop "audioendpointbuilder" /y
C:\Windows\SysWOW64\net.exe
"C:\Windows\System32\net.exe" stop "samss" /y
C:\Windows\SysWOW64\net1.exe
C:\Windows\system32\net1 stop "samss" /y
C:\Windows\SysWOW64\net.exe
"C:\Windows\System32\net.exe" stop "samss" /y
C:\Windows\SysWOW64\net1.exe
C:\Windows\system32\net1 stop "samss" /y
C:\Windows\SysWOW64\net.exe
"C:\Windows\System32\net.exe" stop "samss" /y
C:\Windows\SysWOW64\net1.exe
C:\Windows\system32\net1 stop "samss" /y
C:\Windows\SysWOW64\net.exe
"C:\Windows\System32\net.exe" stop "samss" /y
C:\Windows\SysWOW64\net1.exe
C:\Windows\system32\net1 stop "samss" /y
C:\Windows\SysWOW64\net.exe
"C:\Windows\System32\net.exe" stop "samss" /y
C:\Windows\SysWOW64\net1.exe
C:\Windows\system32\net1 stop "samss" /y
C:\Windows\SysWOW64\net.exe
"C:\Windows\System32\net.exe" stop "samss" /y
C:\Windows\SysWOW64\net1.exe
C:\Windows\system32\net1 stop "samss" /y
C:\Windows\SysWOW64\net.exe
"C:\Windows\System32\net.exe" stop "samss" /y
C:\Windows\SysWOW64\net1.exe
C:\Windows\system32\net1 stop "samss" /y
Network
| Country | Destination | Domain | Proto |
| N/A | 10.127.0.1:7 | udp | |
| NL | 154.61.71.51:7 | udp | |
| N/A | 224.0.0.22:7 | udp | |
| N/A | 224.0.0.252:7 | udp | |
| N/A | 239.255.255.250:7 | udp |
Files
memory/804-54-0x0000000075341000-0x0000000075343000-memory.dmp
\Users\Admin\AppData\Local\Temp\iWrgMWM.exe
| MD5 | aa8d5eec0c68de288fdd55a128e77e95 |
| SHA1 | 496e01324adba5e4db50cb723cc0f4593dfdf6b3 |
| SHA256 | 3d240e8f42c1ea380b06300235f77423f09bae5b81021150ad4e7aaaf18e8689 |
| SHA512 | 86700f73ac9da32ff9c5e6ea249ff0dd362a11ca3fd5dd4730c3cc5ccbdc2893a288e4ad26c89dd30e33e841c43cd4cb55ee989efa9e2ecad947ab1a198a7fe2 |
\Users\Admin\AppData\Local\Temp\iWrgMWM.exe
| MD5 | aa8d5eec0c68de288fdd55a128e77e95 |
| SHA1 | 496e01324adba5e4db50cb723cc0f4593dfdf6b3 |
| SHA256 | 3d240e8f42c1ea380b06300235f77423f09bae5b81021150ad4e7aaaf18e8689 |
| SHA512 | 86700f73ac9da32ff9c5e6ea249ff0dd362a11ca3fd5dd4730c3cc5ccbdc2893a288e4ad26c89dd30e33e841c43cd4cb55ee989efa9e2ecad947ab1a198a7fe2 |
C:\Users\Admin\AppData\Local\Temp\iWrgMWM.exe
| MD5 | aa8d5eec0c68de288fdd55a128e77e95 |
| SHA1 | 496e01324adba5e4db50cb723cc0f4593dfdf6b3 |
| SHA256 | 3d240e8f42c1ea380b06300235f77423f09bae5b81021150ad4e7aaaf18e8689 |
| SHA512 | 86700f73ac9da32ff9c5e6ea249ff0dd362a11ca3fd5dd4730c3cc5ccbdc2893a288e4ad26c89dd30e33e841c43cd4cb55ee989efa9e2ecad947ab1a198a7fe2 |
C:\ProgramData\Microsoft\Crypto\RSA\MachineKeys\08e575673cce10c72090304839888e02_bc8e1036-7fb3-448e-8ad9-a824b1a03b8e
| MD5 | 93a5aadeec082ffc1bca5aa27af70f52 |
| SHA1 | 47a92aee3ea4d1c1954ed4da9f86dd79d9277d31 |
| SHA256 | a1a21799e98f97f271657ce656076f33dcb020d9370f1f2671d783cafd230294 |
| SHA512 | df388c8d83e779e006d6311b2046fcf9259ec33d379fc0e2c6a4b6b90418f587a12c5c23acd488413a02568ca2d3effe04608ec7c791925c7ed53dc71093ca45 |
C:\Users\Admin\AppData\Local\Temp\RyukReadMe.html
| MD5 | c6b39645b1dbfb5cef7ff3a06eb45a5f |
| SHA1 | 582fc94349b00e518bbb5c706e7cc8adc75ecab6 |
| SHA256 | 4962251e42282a3fd2b73dacc827a09cfae86f5474cd14ec59d39ed085b77206 |
| SHA512 | 21471cd47aae47ca7c391a8fd4fab58824c7cf536ed037c7e88bf3b7d33a3df285c0860e21984234e38dea4021db77f5b3f6b571d4b2892cb4ef6ffc6430c186 |