Analysis
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max time kernel
162s -
max time network
174s -
platform
windows10-2004_x64 -
resource
win10v2004-en-20220112 -
submitted
15-02-2022 14:27
Static task
static1
Behavioral task
behavioral1
Sample
333acbfe28976ee28514bb425c2c461026572d0003a7378fba366716e408d822.exe
Resource
win7-en-20211208
General
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Target
333acbfe28976ee28514bb425c2c461026572d0003a7378fba366716e408d822.exe
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Size
3.3MB
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MD5
a5f561f29f736a1f99ef726773628fa3
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SHA1
acf172fa11ee345a6041784ef9f1021307f598dd
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SHA256
333acbfe28976ee28514bb425c2c461026572d0003a7378fba366716e408d822
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SHA512
ff75d12f607e407d190802be88f319cc6750f3898bc411199f3fd6976e24ed55296fed7ef562f97cbeb61cb1c0b3b635fba999c0780561c2f5a1b88d2b56160c
Malware Config
Signatures
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Identifies VirtualBox via ACPI registry values (likely anti-VM) 2 TTPs
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Executes dropped EXE 1 IoCs
Processes:
IntelRapid.exepid process 2940 IntelRapid.exe -
Checks BIOS information in registry 2 TTPs 4 IoCs
BIOS information is often read in order to detect sandboxing environments.
Processes:
333acbfe28976ee28514bb425c2c461026572d0003a7378fba366716e408d822.exeIntelRapid.exedescription ioc process Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion 333acbfe28976ee28514bb425c2c461026572d0003a7378fba366716e408d822.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion 333acbfe28976ee28514bb425c2c461026572d0003a7378fba366716e408d822.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion IntelRapid.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion IntelRapid.exe -
Drops startup file 1 IoCs
Processes:
333acbfe28976ee28514bb425c2c461026572d0003a7378fba366716e408d822.exedescription ioc process File created C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\IntelRapid.lnk 333acbfe28976ee28514bb425c2c461026572d0003a7378fba366716e408d822.exe -
Processes:
resource yara_rule behavioral2/memory/388-130-0x00007FF7A8EF0000-0x00007FF7A9809000-memory.dmp themida behavioral2/memory/388-131-0x00007FF7A8EF0000-0x00007FF7A9809000-memory.dmp themida behavioral2/memory/388-132-0x00007FF7A8EF0000-0x00007FF7A9809000-memory.dmp themida C:\Users\Admin\AppData\Roaming\Intel Rapid\IntelRapid.exe themida C:\Users\Admin\AppData\Roaming\Intel Rapid\IntelRapid.exe themida behavioral2/memory/2940-136-0x00007FF68C820000-0x00007FF68D139000-memory.dmp themida behavioral2/memory/2940-137-0x00007FF68C820000-0x00007FF68D139000-memory.dmp themida behavioral2/memory/2940-138-0x00007FF68C820000-0x00007FF68D139000-memory.dmp themida -
Processes:
IntelRapid.exe333acbfe28976ee28514bb425c2c461026572d0003a7378fba366716e408d822.exedescription ioc process Key value queried \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA IntelRapid.exe Key value queried \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA 333acbfe28976ee28514bb425c2c461026572d0003a7378fba366716e408d822.exe -
Suspicious use of NtSetInformationThreadHideFromDebugger 2 IoCs
Processes:
333acbfe28976ee28514bb425c2c461026572d0003a7378fba366716e408d822.exeIntelRapid.exepid process 388 333acbfe28976ee28514bb425c2c461026572d0003a7378fba366716e408d822.exe 2940 IntelRapid.exe -
Drops file in Windows directory 3 IoCs
Processes:
svchost.exeTiWorker.exedescription 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 -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
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Checks processor information in registry 2 TTPs 2 IoCs
Processor information is often read in order to detect sandboxing environments.
Processes:
MusNotifyIcon.exedescription 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 52 IoCs
Processes:
svchost.exedescription ioc process 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\PriorityDownloadCount = "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\Config\DODownloadMode = "1" 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\DownloadMonthlyCdnBytes = "0" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Config\KVFileExpirationTime = "132895853204162615" 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\DownloadMonthlyCacheHostBytes = "0" 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\SwarmCount = "1" 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\MemoryUsageKB = "3844" 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\InternetConnectionCount = "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\FrDownloadRatePct = "90" svchost.exe Set value (str) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "0.000000" svchost.exe Set value (str) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "0.007020" 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\MonthID = "2" 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\UplinkUsageBps = "0" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\NormalDownloadPendingCount = "0" 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\UploadMonthlyLanBytes = "0" 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\NormalDownloadCount = "0" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\SwarmCount = "0" svchost.exe Set value (str) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "0.142857" 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\DownloadMonthlyRateFrBps = "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\UploadCount = "0" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MemoryUsageKB = "4232" 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\MonthlyUploadRestriction = "0" svchost.exe Set value (str) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "1.421794" svchost.exe Key created \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization 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\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\MemoryUsageKB = "4240" 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\DownloadMonthlyRateBkBps = "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\CDNConnectionCount = "0" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MemoryUsageKB = "4112" svchost.exe -
Suspicious behavior: AddClipboardFormatListener 1 IoCs
Processes:
IntelRapid.exepid process 2940 IntelRapid.exe -
Suspicious use of AdjustPrivilegeToken 64 IoCs
Processes:
TiWorker.exedescription pid process Token: SeSecurityPrivilege 228 TiWorker.exe Token: SeRestorePrivilege 228 TiWorker.exe Token: SeBackupPrivilege 228 TiWorker.exe Token: SeBackupPrivilege 228 TiWorker.exe Token: SeRestorePrivilege 228 TiWorker.exe Token: SeSecurityPrivilege 228 TiWorker.exe Token: SeBackupPrivilege 228 TiWorker.exe Token: SeRestorePrivilege 228 TiWorker.exe Token: SeSecurityPrivilege 228 TiWorker.exe Token: SeBackupPrivilege 228 TiWorker.exe Token: SeRestorePrivilege 228 TiWorker.exe Token: SeSecurityPrivilege 228 TiWorker.exe Token: SeBackupPrivilege 228 TiWorker.exe Token: SeRestorePrivilege 228 TiWorker.exe Token: SeSecurityPrivilege 228 TiWorker.exe Token: SeBackupPrivilege 228 TiWorker.exe Token: SeRestorePrivilege 228 TiWorker.exe Token: SeSecurityPrivilege 228 TiWorker.exe Token: SeBackupPrivilege 228 TiWorker.exe Token: SeRestorePrivilege 228 TiWorker.exe Token: SeSecurityPrivilege 228 TiWorker.exe Token: SeBackupPrivilege 228 TiWorker.exe Token: SeRestorePrivilege 228 TiWorker.exe Token: SeSecurityPrivilege 228 TiWorker.exe Token: SeBackupPrivilege 228 TiWorker.exe Token: SeRestorePrivilege 228 TiWorker.exe Token: SeSecurityPrivilege 228 TiWorker.exe Token: SeBackupPrivilege 228 TiWorker.exe Token: SeRestorePrivilege 228 TiWorker.exe Token: SeSecurityPrivilege 228 TiWorker.exe Token: SeBackupPrivilege 228 TiWorker.exe Token: SeRestorePrivilege 228 TiWorker.exe Token: SeSecurityPrivilege 228 TiWorker.exe Token: SeBackupPrivilege 228 TiWorker.exe Token: SeRestorePrivilege 228 TiWorker.exe Token: SeSecurityPrivilege 228 TiWorker.exe Token: SeBackupPrivilege 228 TiWorker.exe Token: SeRestorePrivilege 228 TiWorker.exe Token: SeSecurityPrivilege 228 TiWorker.exe Token: SeBackupPrivilege 228 TiWorker.exe Token: SeRestorePrivilege 228 TiWorker.exe Token: SeSecurityPrivilege 228 TiWorker.exe Token: SeBackupPrivilege 228 TiWorker.exe Token: SeRestorePrivilege 228 TiWorker.exe Token: SeSecurityPrivilege 228 TiWorker.exe Token: SeBackupPrivilege 228 TiWorker.exe Token: SeRestorePrivilege 228 TiWorker.exe Token: SeSecurityPrivilege 228 TiWorker.exe Token: SeBackupPrivilege 228 TiWorker.exe Token: SeRestorePrivilege 228 TiWorker.exe Token: SeSecurityPrivilege 228 TiWorker.exe Token: SeBackupPrivilege 228 TiWorker.exe Token: SeRestorePrivilege 228 TiWorker.exe Token: SeSecurityPrivilege 228 TiWorker.exe Token: SeBackupPrivilege 228 TiWorker.exe Token: SeRestorePrivilege 228 TiWorker.exe Token: SeSecurityPrivilege 228 TiWorker.exe Token: SeBackupPrivilege 228 TiWorker.exe Token: SeRestorePrivilege 228 TiWorker.exe Token: SeSecurityPrivilege 228 TiWorker.exe Token: SeBackupPrivilege 228 TiWorker.exe Token: SeRestorePrivilege 228 TiWorker.exe Token: SeSecurityPrivilege 228 TiWorker.exe Token: SeBackupPrivilege 228 TiWorker.exe -
Suspicious use of WriteProcessMemory 2 IoCs
Processes:
333acbfe28976ee28514bb425c2c461026572d0003a7378fba366716e408d822.exedescription pid process target process PID 388 wrote to memory of 2940 388 333acbfe28976ee28514bb425c2c461026572d0003a7378fba366716e408d822.exe IntelRapid.exe PID 388 wrote to memory of 2940 388 333acbfe28976ee28514bb425c2c461026572d0003a7378fba366716e408d822.exe IntelRapid.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\333acbfe28976ee28514bb425c2c461026572d0003a7378fba366716e408d822.exe"C:\Users\Admin\AppData\Local\Temp\333acbfe28976ee28514bb425c2c461026572d0003a7378fba366716e408d822.exe"1⤵
- Checks BIOS information in registry
- Drops startup file
- Checks whether UAC is enabled
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Suspicious use of WriteProcessMemory
PID:388 -
C:\Users\Admin\AppData\Roaming\Intel Rapid\IntelRapid.exe"C:\Users\Admin\AppData\Roaming\Intel Rapid\IntelRapid.exe"2⤵
- Executes dropped EXE
- Checks BIOS information in registry
- Checks whether UAC is enabled
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Suspicious behavior: AddClipboardFormatListener
PID:2940
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C:\Windows\system32\MusNotifyIcon.exe%systemroot%\system32\MusNotifyIcon.exe NotifyTrayIcon 131⤵
- Checks processor information in registry
PID:64
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C:\Windows\System32\svchost.exeC:\Windows\System32\svchost.exe -k NetworkService -p1⤵
- Drops file in Windows directory
- Modifies data under HKEY_USERS
PID:2628
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C:\Windows\winsxs\amd64_microsoft-windows-servicingstack_31bf3856ad364e35_10.0.19041.1220_none_7e21bc567c7ed16b\TiWorker.exeC:\Windows\winsxs\amd64_microsoft-windows-servicingstack_31bf3856ad364e35_10.0.19041.1220_none_7e21bc567c7ed16b\TiWorker.exe -Embedding1⤵
- Drops file in Windows directory
- Suspicious use of AdjustPrivilegeToken
PID:228
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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MD5
a5f561f29f736a1f99ef726773628fa3
SHA1acf172fa11ee345a6041784ef9f1021307f598dd
SHA256333acbfe28976ee28514bb425c2c461026572d0003a7378fba366716e408d822
SHA512ff75d12f607e407d190802be88f319cc6750f3898bc411199f3fd6976e24ed55296fed7ef562f97cbeb61cb1c0b3b635fba999c0780561c2f5a1b88d2b56160c
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MD5
a5f561f29f736a1f99ef726773628fa3
SHA1acf172fa11ee345a6041784ef9f1021307f598dd
SHA256333acbfe28976ee28514bb425c2c461026572d0003a7378fba366716e408d822
SHA512ff75d12f607e407d190802be88f319cc6750f3898bc411199f3fd6976e24ed55296fed7ef562f97cbeb61cb1c0b3b635fba999c0780561c2f5a1b88d2b56160c