Analysis
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max time kernel
150s -
max time network
153s -
platform
windows10-2004_x64 -
resource
win10v2004-en-20220112 -
submitted
12-02-2022 06:56
Static task
static1
Behavioral task
behavioral1
Sample
0ef7931869c63a6fd287cb2758364b3911934ad234e0f41685c4df6acf729c2a.exe
Resource
win7-en-20211208
Behavioral task
behavioral2
Sample
0ef7931869c63a6fd287cb2758364b3911934ad234e0f41685c4df6acf729c2a.exe
Resource
win10v2004-en-20220112
General
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Target
0ef7931869c63a6fd287cb2758364b3911934ad234e0f41685c4df6acf729c2a.exe
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Size
150KB
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MD5
c4b885c831c99caca65266bb958497c8
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SHA1
d18f7a145403d914582d7fa14aa49b8a2955da2f
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SHA256
0ef7931869c63a6fd287cb2758364b3911934ad234e0f41685c4df6acf729c2a
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SHA512
bef7f0d03810d236e507c6cfb5517da719bccc71064961117f732d2e23e8d692a6484e354b8cd2301fc66fe7dad1169e2bce00992c63f9ff01955ee8736625f8
Malware Config
Signatures
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Sakula Payload 2 IoCs
Processes:
resource yara_rule C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe family_sakula C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe family_sakula -
Executes dropped EXE 1 IoCs
Processes:
MediaCenter.exepid process 3476 MediaCenter.exe -
Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
Processes:
0ef7931869c63a6fd287cb2758364b3911934ad234e0f41685c4df6acf729c2a.exedescription ioc process Key value queried \REGISTRY\USER\S-1-5-21-790714498-1549421491-1643397139-1000\Control Panel\International\Geo\Nation 0ef7931869c63a6fd287cb2758364b3911934ad234e0f41685c4df6acf729c2a.exe -
Adds Run key to start application 2 TTPs 1 IoCs
Processes:
0ef7931869c63a6fd287cb2758364b3911934ad234e0f41685c4df6acf729c2a.exedescription ioc process Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\MicroMedia = "C:\\Users\\Admin\\AppData\\Local\\Temp\\MicroMedia\\MediaCenter.exe" 0ef7931869c63a6fd287cb2758364b3911934ad234e0f41685c4df6acf729c2a.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 55 IoCs
Processes:
svchost.exedescription ioc process 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\PeerInfoCount = "0" 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\DownlinkUsageBps = "0" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MemoryUsageKB = "4160" 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\InternetConnectionCount = "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\PriorityDownloadPendingCount = "0" svchost.exe Set value (str) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "10.716500" 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\LinkLocalConnectionCount = "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\UploadRatePct = "100" svchost.exe Set value (str) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "8.333973" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Config\KVFileExpirationTime = "132892990146997410" 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\GroupConnectionCount = "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\MemoryUsageKB = "4368" 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\FrDownloadRatePct = "90" 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\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\UploadCount = "0" svchost.exe Set value (str) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "8.619872" 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\DownloadMonthlyCdnBytes = "90228624" 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\MonthlyUploadRestriction = "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\UplinkBps = "0" 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\LANConnectionCount = "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 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\DownloadMonthlyRateFrCnt = "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\DownloadMonthlyRateBkBps = "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\MemoryUsageKB = "4092" 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\DownloadMonthlyRateFrBps = "0" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\DownloadMonthlyRateBkBps = "1157726" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\DownloadMonthlyRateBkCnt = "4" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MonthID = "1" 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\PriorityDownloadCount = "0" svchost.exe Set value (str) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "0.006548" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\SwarmCount = "0" svchost.exe -
Runs ping.exe 1 TTPs 1 IoCs
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Suspicious use of AdjustPrivilegeToken 64 IoCs
Processes:
TiWorker.exedescription pid process Token: SeSecurityPrivilege 3556 TiWorker.exe Token: SeRestorePrivilege 3556 TiWorker.exe Token: SeBackupPrivilege 3556 TiWorker.exe Token: SeBackupPrivilege 3556 TiWorker.exe Token: SeRestorePrivilege 3556 TiWorker.exe Token: SeSecurityPrivilege 3556 TiWorker.exe Token: SeBackupPrivilege 3556 TiWorker.exe Token: SeRestorePrivilege 3556 TiWorker.exe Token: SeSecurityPrivilege 3556 TiWorker.exe Token: SeBackupPrivilege 3556 TiWorker.exe Token: SeRestorePrivilege 3556 TiWorker.exe Token: SeSecurityPrivilege 3556 TiWorker.exe Token: SeBackupPrivilege 3556 TiWorker.exe Token: SeRestorePrivilege 3556 TiWorker.exe Token: SeSecurityPrivilege 3556 TiWorker.exe Token: SeBackupPrivilege 3556 TiWorker.exe Token: SeRestorePrivilege 3556 TiWorker.exe Token: SeSecurityPrivilege 3556 TiWorker.exe Token: SeBackupPrivilege 3556 TiWorker.exe Token: SeRestorePrivilege 3556 TiWorker.exe Token: SeSecurityPrivilege 3556 TiWorker.exe Token: SeBackupPrivilege 3556 TiWorker.exe Token: SeRestorePrivilege 3556 TiWorker.exe Token: SeSecurityPrivilege 3556 TiWorker.exe Token: SeBackupPrivilege 3556 TiWorker.exe Token: SeRestorePrivilege 3556 TiWorker.exe Token: SeSecurityPrivilege 3556 TiWorker.exe Token: SeBackupPrivilege 3556 TiWorker.exe Token: SeRestorePrivilege 3556 TiWorker.exe Token: SeSecurityPrivilege 3556 TiWorker.exe Token: SeBackupPrivilege 3556 TiWorker.exe Token: SeRestorePrivilege 3556 TiWorker.exe Token: SeSecurityPrivilege 3556 TiWorker.exe Token: SeBackupPrivilege 3556 TiWorker.exe Token: SeRestorePrivilege 3556 TiWorker.exe Token: SeSecurityPrivilege 3556 TiWorker.exe Token: SeBackupPrivilege 3556 TiWorker.exe Token: SeRestorePrivilege 3556 TiWorker.exe Token: SeSecurityPrivilege 3556 TiWorker.exe Token: SeBackupPrivilege 3556 TiWorker.exe Token: SeRestorePrivilege 3556 TiWorker.exe Token: SeSecurityPrivilege 3556 TiWorker.exe Token: SeBackupPrivilege 3556 TiWorker.exe Token: SeRestorePrivilege 3556 TiWorker.exe Token: SeSecurityPrivilege 3556 TiWorker.exe Token: SeBackupPrivilege 3556 TiWorker.exe Token: SeRestorePrivilege 3556 TiWorker.exe Token: SeSecurityPrivilege 3556 TiWorker.exe Token: SeBackupPrivilege 3556 TiWorker.exe Token: SeRestorePrivilege 3556 TiWorker.exe Token: SeSecurityPrivilege 3556 TiWorker.exe Token: SeBackupPrivilege 3556 TiWorker.exe Token: SeRestorePrivilege 3556 TiWorker.exe Token: SeSecurityPrivilege 3556 TiWorker.exe Token: SeBackupPrivilege 3556 TiWorker.exe Token: SeRestorePrivilege 3556 TiWorker.exe Token: SeSecurityPrivilege 3556 TiWorker.exe Token: SeBackupPrivilege 3556 TiWorker.exe Token: SeRestorePrivilege 3556 TiWorker.exe Token: SeSecurityPrivilege 3556 TiWorker.exe Token: SeBackupPrivilege 3556 TiWorker.exe Token: SeRestorePrivilege 3556 TiWorker.exe Token: SeSecurityPrivilege 3556 TiWorker.exe Token: SeBackupPrivilege 3556 TiWorker.exe -
Suspicious use of WriteProcessMemory 9 IoCs
Processes:
0ef7931869c63a6fd287cb2758364b3911934ad234e0f41685c4df6acf729c2a.execmd.exedescription pid process target process PID 3348 wrote to memory of 3476 3348 0ef7931869c63a6fd287cb2758364b3911934ad234e0f41685c4df6acf729c2a.exe MediaCenter.exe PID 3348 wrote to memory of 3476 3348 0ef7931869c63a6fd287cb2758364b3911934ad234e0f41685c4df6acf729c2a.exe MediaCenter.exe PID 3348 wrote to memory of 3476 3348 0ef7931869c63a6fd287cb2758364b3911934ad234e0f41685c4df6acf729c2a.exe MediaCenter.exe PID 3348 wrote to memory of 4016 3348 0ef7931869c63a6fd287cb2758364b3911934ad234e0f41685c4df6acf729c2a.exe cmd.exe PID 3348 wrote to memory of 4016 3348 0ef7931869c63a6fd287cb2758364b3911934ad234e0f41685c4df6acf729c2a.exe cmd.exe PID 3348 wrote to memory of 4016 3348 0ef7931869c63a6fd287cb2758364b3911934ad234e0f41685c4df6acf729c2a.exe cmd.exe PID 4016 wrote to memory of 2344 4016 cmd.exe PING.EXE PID 4016 wrote to memory of 2344 4016 cmd.exe PING.EXE PID 4016 wrote to memory of 2344 4016 cmd.exe PING.EXE
Processes
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C:\Users\Admin\AppData\Local\Temp\0ef7931869c63a6fd287cb2758364b3911934ad234e0f41685c4df6acf729c2a.exe"C:\Users\Admin\AppData\Local\Temp\0ef7931869c63a6fd287cb2758364b3911934ad234e0f41685c4df6acf729c2a.exe"1⤵
- Checks computer location settings
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:3348 -
C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exeC:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe2⤵
- Executes dropped EXE
PID:3476 -
C:\Windows\SysWOW64\cmd.exe"C:\Windows\System32\cmd.exe" /c ping 127.0.0.1 & del /q "C:\Users\Admin\AppData\Local\Temp\0ef7931869c63a6fd287cb2758364b3911934ad234e0f41685c4df6acf729c2a.exe"2⤵
- Suspicious use of WriteProcessMemory
PID:4016 -
C:\Windows\SysWOW64\PING.EXEping 127.0.0.13⤵
- Runs ping.exe
PID:2344
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C:\Windows\system32\MusNotifyIcon.exe%systemroot%\system32\MusNotifyIcon.exe NotifyTrayIcon 131⤵
- Checks processor information in registry
PID:1880
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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:1232
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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:3556
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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MD5
81dd74c4fcc0b4e3d51920ecded23dc1
SHA10060f4d546891d4965415fb4a3edcb5e53c0a2a0
SHA2565b057121104e21105248a3fa24e762ab8d90da9684398ea0dddfe706650ace5d
SHA512ec3e374d95e34cdad270d51e53aba6a8f00cbeda334feea9e95fc5a3ff6de945ebd261aa5594ec9b617a19de3a5422252215fcebd3cd7febe81cdea8b06b3002
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MD5
81dd74c4fcc0b4e3d51920ecded23dc1
SHA10060f4d546891d4965415fb4a3edcb5e53c0a2a0
SHA2565b057121104e21105248a3fa24e762ab8d90da9684398ea0dddfe706650ace5d
SHA512ec3e374d95e34cdad270d51e53aba6a8f00cbeda334feea9e95fc5a3ff6de945ebd261aa5594ec9b617a19de3a5422252215fcebd3cd7febe81cdea8b06b3002