Analysis
-
max time kernel
158s -
max time network
170s -
platform
windows10-2004_x64 -
resource
win10v2004-en-20220112 -
submitted
12-02-2022 07:39
Static task
static1
Behavioral task
behavioral1
Sample
0cfadc7545ea3210da2ecaf2d2af994e114384e8378f32d3bf1c945ff96a6255.exe
Resource
win7-en-20211208
Behavioral task
behavioral2
Sample
0cfadc7545ea3210da2ecaf2d2af994e114384e8378f32d3bf1c945ff96a6255.exe
Resource
win10v2004-en-20220112
General
-
Target
0cfadc7545ea3210da2ecaf2d2af994e114384e8378f32d3bf1c945ff96a6255.exe
-
Size
80KB
-
MD5
9d2580716fe892f5c45408cedf4e4651
-
SHA1
dd087ed85acc1f91d77015b7e65de51089190d4f
-
SHA256
0cfadc7545ea3210da2ecaf2d2af994e114384e8378f32d3bf1c945ff96a6255
-
SHA512
11fd7d6cbb83d7a9c1103561a026f958112a999fce80ec8dcd0a88f56dc1bd8e83b4679fbfd215254fe443d830056a509f72cf3f61f181be67e7b4e4365c1c48
Malware Config
Signatures
-
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 3024 MediaCenter.exe -
Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
Processes:
0cfadc7545ea3210da2ecaf2d2af994e114384e8378f32d3bf1c945ff96a6255.exedescription ioc process Key value queried \REGISTRY\USER\S-1-5-21-790714498-1549421491-1643397139-1000\Control Panel\International\Geo\Nation 0cfadc7545ea3210da2ecaf2d2af994e114384e8378f32d3bf1c945ff96a6255.exe -
Adds Run key to start application 2 TTPs 1 IoCs
Processes:
0cfadc7545ea3210da2ecaf2d2af994e114384e8378f32d3bf1c945ff96a6255.exedescription ioc process Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\MicroMedia = "C:\\Users\\Admin\\AppData\\Local\\Temp\\MicroMedia\\MediaCenter.exe" 0cfadc7545ea3210da2ecaf2d2af994e114384e8378f32d3bf1c945ff96a6255.exe -
Drops file in Windows directory 3 IoCs
Processes:
TiWorker.exesvchost.exedescription ioc process File opened for modification C:\Windows\Logs\CBS\CBS.log TiWorker.exe File opened for modification C:\Windows\WinSxS\pending.xml TiWorker.exe File opened for modification C:\Windows\ServiceProfiles\NetworkService\AppData\Local\Microsoft\Windows\DeliveryOptimization\State\keyValueLKG.dat svchost.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
-
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 53 IoCs
Processes:
svchost.exedescription ioc process 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\Usage\BkDownloadRatePct = "45" svchost.exe Set value (str) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "3.731044" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MemoryUsageKB = "4100" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\DownloadMonthlyCdnBytes = "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\UploadMonthlyLanBytes = "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\PriorityDownloadCount = "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\PeerInfoCount = "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\UploadMonthlyInternetBytes = "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\InternetConnectionCount = "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\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\DownloadMonthlyGroupBytes = "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\LinkLocalConnectionCount = "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\DownlinkBps = "0" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\NormalDownloadCount = "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\DownloadMonthlyRateBkCnt = "4" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MemoryUsageKB = "4280" 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\UploadRatePct = "100" svchost.exe Set value (str) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "8.331005" 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\Config\KVFileExpirationTime = "132893019325263941" 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\FrDownloadRatePct = "90" 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\NormalDownloadPendingCount = "0" svchost.exe Set value (str) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "15.389843" 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\SwarmCount = "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\DownloadMonthlyCdnBytes = "90228624" 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\UploadCount = "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\DownloadMonthlyRateBkBps = "1157726" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\GroupConnectionCount = "0" 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\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\MonthID = "1" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\LANConnectionCount = "0" svchost.exe -
Runs ping.exe 1 TTPs 1 IoCs
-
Suspicious use of AdjustPrivilegeToken 64 IoCs
Processes:
0cfadc7545ea3210da2ecaf2d2af994e114384e8378f32d3bf1c945ff96a6255.exeTiWorker.exedescription pid process Token: SeIncBasePriorityPrivilege 3928 0cfadc7545ea3210da2ecaf2d2af994e114384e8378f32d3bf1c945ff96a6255.exe Token: SeSecurityPrivilege 1800 TiWorker.exe Token: SeRestorePrivilege 1800 TiWorker.exe Token: SeBackupPrivilege 1800 TiWorker.exe Token: SeBackupPrivilege 1800 TiWorker.exe Token: SeRestorePrivilege 1800 TiWorker.exe Token: SeSecurityPrivilege 1800 TiWorker.exe Token: SeBackupPrivilege 1800 TiWorker.exe Token: SeRestorePrivilege 1800 TiWorker.exe Token: SeSecurityPrivilege 1800 TiWorker.exe Token: SeBackupPrivilege 1800 TiWorker.exe Token: SeRestorePrivilege 1800 TiWorker.exe Token: SeSecurityPrivilege 1800 TiWorker.exe Token: SeBackupPrivilege 1800 TiWorker.exe Token: SeRestorePrivilege 1800 TiWorker.exe Token: SeSecurityPrivilege 1800 TiWorker.exe Token: SeBackupPrivilege 1800 TiWorker.exe Token: SeRestorePrivilege 1800 TiWorker.exe Token: SeSecurityPrivilege 1800 TiWorker.exe Token: SeBackupPrivilege 1800 TiWorker.exe Token: SeRestorePrivilege 1800 TiWorker.exe Token: SeSecurityPrivilege 1800 TiWorker.exe Token: SeBackupPrivilege 1800 TiWorker.exe Token: SeRestorePrivilege 1800 TiWorker.exe Token: SeSecurityPrivilege 1800 TiWorker.exe Token: SeBackupPrivilege 1800 TiWorker.exe Token: SeRestorePrivilege 1800 TiWorker.exe Token: SeSecurityPrivilege 1800 TiWorker.exe Token: SeBackupPrivilege 1800 TiWorker.exe Token: SeRestorePrivilege 1800 TiWorker.exe Token: SeSecurityPrivilege 1800 TiWorker.exe Token: SeBackupPrivilege 1800 TiWorker.exe Token: SeRestorePrivilege 1800 TiWorker.exe Token: SeSecurityPrivilege 1800 TiWorker.exe Token: SeBackupPrivilege 1800 TiWorker.exe Token: SeRestorePrivilege 1800 TiWorker.exe Token: SeSecurityPrivilege 1800 TiWorker.exe Token: SeBackupPrivilege 1800 TiWorker.exe Token: SeRestorePrivilege 1800 TiWorker.exe Token: SeSecurityPrivilege 1800 TiWorker.exe Token: SeBackupPrivilege 1800 TiWorker.exe Token: SeRestorePrivilege 1800 TiWorker.exe Token: SeSecurityPrivilege 1800 TiWorker.exe Token: SeBackupPrivilege 1800 TiWorker.exe Token: SeRestorePrivilege 1800 TiWorker.exe Token: SeSecurityPrivilege 1800 TiWorker.exe Token: SeBackupPrivilege 1800 TiWorker.exe Token: SeRestorePrivilege 1800 TiWorker.exe Token: SeSecurityPrivilege 1800 TiWorker.exe Token: SeBackupPrivilege 1800 TiWorker.exe Token: SeRestorePrivilege 1800 TiWorker.exe Token: SeSecurityPrivilege 1800 TiWorker.exe Token: SeBackupPrivilege 1800 TiWorker.exe Token: SeRestorePrivilege 1800 TiWorker.exe Token: SeSecurityPrivilege 1800 TiWorker.exe Token: SeBackupPrivilege 1800 TiWorker.exe Token: SeRestorePrivilege 1800 TiWorker.exe Token: SeSecurityPrivilege 1800 TiWorker.exe Token: SeBackupPrivilege 1800 TiWorker.exe Token: SeRestorePrivilege 1800 TiWorker.exe Token: SeSecurityPrivilege 1800 TiWorker.exe Token: SeBackupPrivilege 1800 TiWorker.exe Token: SeRestorePrivilege 1800 TiWorker.exe Token: SeSecurityPrivilege 1800 TiWorker.exe -
Suspicious use of WriteProcessMemory 9 IoCs
Processes:
0cfadc7545ea3210da2ecaf2d2af994e114384e8378f32d3bf1c945ff96a6255.execmd.exedescription pid process target process PID 3928 wrote to memory of 3024 3928 0cfadc7545ea3210da2ecaf2d2af994e114384e8378f32d3bf1c945ff96a6255.exe MediaCenter.exe PID 3928 wrote to memory of 3024 3928 0cfadc7545ea3210da2ecaf2d2af994e114384e8378f32d3bf1c945ff96a6255.exe MediaCenter.exe PID 3928 wrote to memory of 3024 3928 0cfadc7545ea3210da2ecaf2d2af994e114384e8378f32d3bf1c945ff96a6255.exe MediaCenter.exe PID 3928 wrote to memory of 3964 3928 0cfadc7545ea3210da2ecaf2d2af994e114384e8378f32d3bf1c945ff96a6255.exe cmd.exe PID 3928 wrote to memory of 3964 3928 0cfadc7545ea3210da2ecaf2d2af994e114384e8378f32d3bf1c945ff96a6255.exe cmd.exe PID 3928 wrote to memory of 3964 3928 0cfadc7545ea3210da2ecaf2d2af994e114384e8378f32d3bf1c945ff96a6255.exe cmd.exe PID 3964 wrote to memory of 3492 3964 cmd.exe PING.EXE PID 3964 wrote to memory of 3492 3964 cmd.exe PING.EXE PID 3964 wrote to memory of 3492 3964 cmd.exe PING.EXE
Processes
-
C:\Users\Admin\AppData\Local\Temp\0cfadc7545ea3210da2ecaf2d2af994e114384e8378f32d3bf1c945ff96a6255.exe"C:\Users\Admin\AppData\Local\Temp\0cfadc7545ea3210da2ecaf2d2af994e114384e8378f32d3bf1c945ff96a6255.exe"1⤵
- Checks computer location settings
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3928 -
C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exeC:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe2⤵
- Executes dropped EXE
PID:3024 -
C:\Windows\SysWOW64\cmd.exe"C:\Windows\System32\cmd.exe" /c ping 127.0.0.1 & del /q "C:\Users\Admin\AppData\Local\Temp\0cfadc7545ea3210da2ecaf2d2af994e114384e8378f32d3bf1c945ff96a6255.exe"2⤵
- Suspicious use of WriteProcessMemory
PID:3964 -
C:\Windows\SysWOW64\PING.EXEping 127.0.0.13⤵
- Runs ping.exe
PID:3492
-
C:\Windows\system32\MusNotifyIcon.exe%systemroot%\system32\MusNotifyIcon.exe NotifyTrayIcon 131⤵
- Checks processor information in registry
PID:1840
-
C:\Windows\System32\svchost.exeC:\Windows\System32\svchost.exe -k NetworkService -p1⤵
- Drops file in Windows directory
- Modifies data under HKEY_USERS
PID:3752
-
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:1800
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
Loading Replay Monitor...
Downloads
-
MD5
fc8e409a1a316a6f3b085b46029bdc54
SHA1205b33cfd63abef488ed1d847ae1441882bcc29c
SHA2561b65218f2f9aec08aa1e3aac1c6de025811f4997e221c2bdba8e1294d6a92d95
SHA512617d175a913f9d1b5320c82a590954dbbce41656cf193bfcedb50db8217f295d1944f1d817b3034f9aa34b25ad5cafa334019a091d6707e361e7c13a57c07d36
-
MD5
fc8e409a1a316a6f3b085b46029bdc54
SHA1205b33cfd63abef488ed1d847ae1441882bcc29c
SHA2561b65218f2f9aec08aa1e3aac1c6de025811f4997e221c2bdba8e1294d6a92d95
SHA512617d175a913f9d1b5320c82a590954dbbce41656cf193bfcedb50db8217f295d1944f1d817b3034f9aa34b25ad5cafa334019a091d6707e361e7c13a57c07d36