Analysis
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max time kernel
163s -
max time network
156s -
platform
windows10-2004_x64 -
resource
win10v2004-en-20220112 -
submitted
19-02-2022 18:52
Static task
static1
Behavioral task
behavioral1
Sample
ebae890e4017352c859b5a5a3f89e52294d1195e6b676ebe8961f65f70d3fe28.exe
Resource
win7-en-20211208
Behavioral task
behavioral2
Sample
ebae890e4017352c859b5a5a3f89e52294d1195e6b676ebe8961f65f70d3fe28.exe
Resource
win10v2004-en-20220112
General
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Target
ebae890e4017352c859b5a5a3f89e52294d1195e6b676ebe8961f65f70d3fe28.exe
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Size
38KB
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MD5
931a0e4366ec0a367baeb57b2570c9c9
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SHA1
0564f05769f39350506b65230915f2595b35fb30
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SHA256
ebae890e4017352c859b5a5a3f89e52294d1195e6b676ebe8961f65f70d3fe28
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SHA512
24422c033bb478bc4d83e0a249b426b2cef32e02e14170cc57aa8dd8be2556cad3658e9832796b869851adb0dda22eb78447d963e01b58ebe98bcc133a6d7028
Malware Config
Signatures
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Upatre
Upatre is a generic malware downloader.
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Executes dropped EXE 1 IoCs
Processes:
szgfw.exepid process 112 szgfw.exe -
Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
Processes:
ebae890e4017352c859b5a5a3f89e52294d1195e6b676ebe8961f65f70d3fe28.exedescription ioc process Key value queried \REGISTRY\USER\S-1-5-21-790714498-1549421491-1643397139-1000\Control Panel\International\Geo\Nation ebae890e4017352c859b5a5a3f89e52294d1195e6b676ebe8961f65f70d3fe28.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 value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz MusNotifyIcon.exe Key opened \Registry\Machine\HARDWARE\DESCRIPTION\System\CentralProcessor\0 MusNotifyIcon.exe -
Modifies data under HKEY_USERS 49 IoCs
Processes:
svchost.exedescription ioc process 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\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\LANConnectionCount = "0" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MemoryUsageKB = "4352" 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\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\UploadCount = "0" 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\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\Config\KVFileExpirationTime = "132899474269132389" 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\PriorityDownloadCount = "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 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\CDNConnectionCount = "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\DownlinkBps = "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 (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\UploadRatePct = "100" svchost.exe Key created \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Settings svchost.exe Set value (str) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "4.237317" svchost.exe Set value (str) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "0.000000" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\DownloadMonthlyRateBkBps = "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\UploadMonthlyInternetBytes = "0" 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\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\MonthID = "2" 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\Config\DODownloadMode = "1" svchost.exe Set value (str) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "5.554098" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CacheSizeBytes = "0" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\LinkLocalConnectionCount = "0" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\DownlinkUsageBps = "0" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\BkDownloadRatePct = "45" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MonthlyUploadRestriction = "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 = "1" 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\PeerInfoCount = "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 Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MemoryUsageKB = "4128" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Config\DownloadMode_BackCompat = "1" svchost.exe -
Suspicious use of AdjustPrivilegeToken 64 IoCs
Processes:
TiWorker.exedescription pid process Token: SeSecurityPrivilege 3756 TiWorker.exe Token: SeRestorePrivilege 3756 TiWorker.exe Token: SeBackupPrivilege 3756 TiWorker.exe Token: SeBackupPrivilege 3756 TiWorker.exe Token: SeRestorePrivilege 3756 TiWorker.exe Token: SeSecurityPrivilege 3756 TiWorker.exe Token: SeBackupPrivilege 3756 TiWorker.exe Token: SeRestorePrivilege 3756 TiWorker.exe Token: SeSecurityPrivilege 3756 TiWorker.exe Token: SeBackupPrivilege 3756 TiWorker.exe Token: SeRestorePrivilege 3756 TiWorker.exe Token: SeSecurityPrivilege 3756 TiWorker.exe Token: SeBackupPrivilege 3756 TiWorker.exe Token: SeRestorePrivilege 3756 TiWorker.exe Token: SeSecurityPrivilege 3756 TiWorker.exe Token: SeBackupPrivilege 3756 TiWorker.exe Token: SeRestorePrivilege 3756 TiWorker.exe Token: SeSecurityPrivilege 3756 TiWorker.exe Token: SeBackupPrivilege 3756 TiWorker.exe Token: SeRestorePrivilege 3756 TiWorker.exe Token: SeSecurityPrivilege 3756 TiWorker.exe Token: SeBackupPrivilege 3756 TiWorker.exe Token: SeRestorePrivilege 3756 TiWorker.exe Token: SeSecurityPrivilege 3756 TiWorker.exe Token: SeBackupPrivilege 3756 TiWorker.exe Token: SeRestorePrivilege 3756 TiWorker.exe Token: SeSecurityPrivilege 3756 TiWorker.exe Token: SeBackupPrivilege 3756 TiWorker.exe Token: SeRestorePrivilege 3756 TiWorker.exe Token: SeSecurityPrivilege 3756 TiWorker.exe Token: SeBackupPrivilege 3756 TiWorker.exe Token: SeRestorePrivilege 3756 TiWorker.exe Token: SeSecurityPrivilege 3756 TiWorker.exe Token: SeBackupPrivilege 3756 TiWorker.exe Token: SeRestorePrivilege 3756 TiWorker.exe Token: SeSecurityPrivilege 3756 TiWorker.exe Token: SeBackupPrivilege 3756 TiWorker.exe Token: SeRestorePrivilege 3756 TiWorker.exe Token: SeSecurityPrivilege 3756 TiWorker.exe Token: SeBackupPrivilege 3756 TiWorker.exe Token: SeRestorePrivilege 3756 TiWorker.exe Token: SeSecurityPrivilege 3756 TiWorker.exe Token: SeBackupPrivilege 3756 TiWorker.exe Token: SeRestorePrivilege 3756 TiWorker.exe Token: SeSecurityPrivilege 3756 TiWorker.exe Token: SeBackupPrivilege 3756 TiWorker.exe Token: SeRestorePrivilege 3756 TiWorker.exe Token: SeSecurityPrivilege 3756 TiWorker.exe Token: SeBackupPrivilege 3756 TiWorker.exe Token: SeRestorePrivilege 3756 TiWorker.exe Token: SeSecurityPrivilege 3756 TiWorker.exe Token: SeBackupPrivilege 3756 TiWorker.exe Token: SeRestorePrivilege 3756 TiWorker.exe Token: SeSecurityPrivilege 3756 TiWorker.exe Token: SeBackupPrivilege 3756 TiWorker.exe Token: SeRestorePrivilege 3756 TiWorker.exe Token: SeSecurityPrivilege 3756 TiWorker.exe Token: SeBackupPrivilege 3756 TiWorker.exe Token: SeRestorePrivilege 3756 TiWorker.exe Token: SeSecurityPrivilege 3756 TiWorker.exe Token: SeBackupPrivilege 3756 TiWorker.exe Token: SeRestorePrivilege 3756 TiWorker.exe Token: SeSecurityPrivilege 3756 TiWorker.exe Token: SeBackupPrivilege 3756 TiWorker.exe -
Suspicious use of WriteProcessMemory 3 IoCs
Processes:
ebae890e4017352c859b5a5a3f89e52294d1195e6b676ebe8961f65f70d3fe28.exedescription pid process target process PID 2528 wrote to memory of 112 2528 ebae890e4017352c859b5a5a3f89e52294d1195e6b676ebe8961f65f70d3fe28.exe szgfw.exe PID 2528 wrote to memory of 112 2528 ebae890e4017352c859b5a5a3f89e52294d1195e6b676ebe8961f65f70d3fe28.exe szgfw.exe PID 2528 wrote to memory of 112 2528 ebae890e4017352c859b5a5a3f89e52294d1195e6b676ebe8961f65f70d3fe28.exe szgfw.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\ebae890e4017352c859b5a5a3f89e52294d1195e6b676ebe8961f65f70d3fe28.exe"C:\Users\Admin\AppData\Local\Temp\ebae890e4017352c859b5a5a3f89e52294d1195e6b676ebe8961f65f70d3fe28.exe"1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\szgfw.exe"C:\Users\Admin\AppData\Local\Temp\szgfw.exe"2⤵
- Executes dropped EXE
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C:\Windows\system32\MusNotifyIcon.exe%systemroot%\system32\MusNotifyIcon.exe NotifyTrayIcon 131⤵
- Checks processor information in registry
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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
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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
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C:\Windows\system32\svchost.exeC:\Windows\system32\svchost.exe -k wusvcs -p1⤵
Network
MITRE ATT&CK Matrix ATT&CK v6
Replay Monitor
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Downloads
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C:\Users\Admin\AppData\Local\Temp\szgfw.exeMD5
24a55a0102f9a4d8782f87fb59824492
SHA10fa9cace9e8eef1ac5a9617d8e5f79c29da532c5
SHA256cadc37a631a3ebcca62d4258f772fd470049328bf44746b28329ac8a3376e526
SHA512ae6012dafb4ad9973cfe0a0956ae3ae0ed83af8c3f2d0430ed642e804f46e2f9bc65e90558c4bc994ff83c4fa711edfd2e598ab191ca57f015a6840dbccecd60
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C:\Users\Admin\AppData\Local\Temp\szgfw.exeMD5
24a55a0102f9a4d8782f87fb59824492
SHA10fa9cace9e8eef1ac5a9617d8e5f79c29da532c5
SHA256cadc37a631a3ebcca62d4258f772fd470049328bf44746b28329ac8a3376e526
SHA512ae6012dafb4ad9973cfe0a0956ae3ae0ed83af8c3f2d0430ed642e804f46e2f9bc65e90558c4bc994ff83c4fa711edfd2e598ab191ca57f015a6840dbccecd60
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memory/2528-130-0x00000000004D0000-0x00000000004D1000-memory.dmpFilesize
4KB