Analysis
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max time kernel
151s -
max time network
170s -
platform
windows10-2004_x64 -
resource
win10v2004-en-20220113 -
submitted
12/02/2022, 06:44
Static task
static1
Behavioral task
behavioral1
Sample
0f1b5bcc1fd902a481d402643b3be555ab17fab2460ebf70a9b73c196f22c95f.exe
Resource
win7-en-20211208
Behavioral task
behavioral2
Sample
0f1b5bcc1fd902a481d402643b3be555ab17fab2460ebf70a9b73c196f22c95f.exe
Resource
win10v2004-en-20220113
General
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Target
0f1b5bcc1fd902a481d402643b3be555ab17fab2460ebf70a9b73c196f22c95f.exe
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Size
101KB
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MD5
7426387a8c56f0b812d64cf8cc605557
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SHA1
85f0e7c44a20a4cb26ab40ef37f73fe2dd609757
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SHA256
0f1b5bcc1fd902a481d402643b3be555ab17fab2460ebf70a9b73c196f22c95f
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SHA512
c39a7faf59b55d1012afda2173672eeba4b4ff66324cc729c9c14373aa32b1c44cd40fecf730e56bdf83bf46a9ef685b64afc5327e38a5f1ab9e16f5fba40bad
Malware Config
Signatures
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Sakula Payload 2 IoCs
resource yara_rule behavioral2/files/0x000400000001e7c9-130.dat family_sakula behavioral2/files/0x000400000001e7c9-131.dat family_sakula -
Executes dropped EXE 1 IoCs
pid Process 1876 MediaCenter.exe -
Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
description ioc Process Key value queried \REGISTRY\USER\S-1-5-21-1346565761-3498240568-4147300184-1000\Control Panel\International\Geo\Nation 0f1b5bcc1fd902a481d402643b3be555ab17fab2460ebf70a9b73c196f22c95f.exe -
Adds Run key to start application 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\MicroMedia = "C:\\Users\\Admin\\AppData\\Local\\Temp\\MicroMedia\\MediaCenter.exe" 0f1b5bcc1fd902a481d402643b3be555ab17fab2460ebf70a9b73c196f22c95f.exe -
Drops file in Windows directory 8 IoCs
description ioc Process File opened for modification C:\Windows\WindowsUpdate.log svchost.exe File opened for modification C:\Windows\SoftwareDistribution\DataStore\Logs\edb.chk svchost.exe File opened for modification C:\Windows\SoftwareDistribution\DataStore\Logs\edb.log svchost.exe File opened for modification C:\Windows\SoftwareDistribution\DataStore\DataStore.edb svchost.exe File opened for modification C:\Windows\SoftwareDistribution\DataStore\DataStore.jfm svchost.exe File opened for modification C:\Windows\SoftwareDistribution\ReportingEvents.log 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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Runs ping.exe 1 TTPs 1 IoCs
pid Process 3520 PING.EXE -
Suspicious use of AdjustPrivilegeToken 64 IoCs
description pid Process Token: SeShutdownPrivilege 4888 svchost.exe Token: SeCreatePagefilePrivilege 4888 svchost.exe Token: SeShutdownPrivilege 4888 svchost.exe Token: SeCreatePagefilePrivilege 4888 svchost.exe Token: SeShutdownPrivilege 4888 svchost.exe Token: SeCreatePagefilePrivilege 4888 svchost.exe Token: SeIncBasePriorityPrivilege 5064 0f1b5bcc1fd902a481d402643b3be555ab17fab2460ebf70a9b73c196f22c95f.exe Token: SeSecurityPrivilege 4944 TiWorker.exe Token: SeRestorePrivilege 4944 TiWorker.exe Token: SeBackupPrivilege 4944 TiWorker.exe Token: SeBackupPrivilege 4944 TiWorker.exe Token: SeRestorePrivilege 4944 TiWorker.exe Token: SeSecurityPrivilege 4944 TiWorker.exe Token: SeBackupPrivilege 4944 TiWorker.exe Token: SeRestorePrivilege 4944 TiWorker.exe Token: SeSecurityPrivilege 4944 TiWorker.exe Token: SeBackupPrivilege 4944 TiWorker.exe Token: SeRestorePrivilege 4944 TiWorker.exe Token: SeSecurityPrivilege 4944 TiWorker.exe Token: SeBackupPrivilege 4944 TiWorker.exe Token: SeRestorePrivilege 4944 TiWorker.exe Token: SeSecurityPrivilege 4944 TiWorker.exe Token: SeBackupPrivilege 4944 TiWorker.exe Token: SeRestorePrivilege 4944 TiWorker.exe Token: SeSecurityPrivilege 4944 TiWorker.exe Token: SeBackupPrivilege 4944 TiWorker.exe Token: SeRestorePrivilege 4944 TiWorker.exe Token: SeSecurityPrivilege 4944 TiWorker.exe Token: SeBackupPrivilege 4944 TiWorker.exe Token: SeRestorePrivilege 4944 TiWorker.exe Token: SeSecurityPrivilege 4944 TiWorker.exe Token: SeBackupPrivilege 4944 TiWorker.exe Token: SeRestorePrivilege 4944 TiWorker.exe Token: SeSecurityPrivilege 4944 TiWorker.exe Token: SeBackupPrivilege 4944 TiWorker.exe Token: SeRestorePrivilege 4944 TiWorker.exe Token: SeSecurityPrivilege 4944 TiWorker.exe Token: SeBackupPrivilege 4944 TiWorker.exe Token: SeRestorePrivilege 4944 TiWorker.exe Token: SeSecurityPrivilege 4944 TiWorker.exe Token: SeBackupPrivilege 4944 TiWorker.exe Token: SeRestorePrivilege 4944 TiWorker.exe Token: SeSecurityPrivilege 4944 TiWorker.exe Token: SeBackupPrivilege 4944 TiWorker.exe Token: SeRestorePrivilege 4944 TiWorker.exe Token: SeSecurityPrivilege 4944 TiWorker.exe Token: SeBackupPrivilege 4944 TiWorker.exe Token: SeRestorePrivilege 4944 TiWorker.exe Token: SeSecurityPrivilege 4944 TiWorker.exe Token: SeBackupPrivilege 4944 TiWorker.exe Token: SeRestorePrivilege 4944 TiWorker.exe Token: SeSecurityPrivilege 4944 TiWorker.exe Token: SeBackupPrivilege 4944 TiWorker.exe Token: SeRestorePrivilege 4944 TiWorker.exe Token: SeSecurityPrivilege 4944 TiWorker.exe Token: SeBackupPrivilege 4944 TiWorker.exe Token: SeRestorePrivilege 4944 TiWorker.exe Token: SeSecurityPrivilege 4944 TiWorker.exe Token: SeBackupPrivilege 4944 TiWorker.exe Token: SeRestorePrivilege 4944 TiWorker.exe Token: SeSecurityPrivilege 4944 TiWorker.exe Token: SeBackupPrivilege 4944 TiWorker.exe Token: SeRestorePrivilege 4944 TiWorker.exe Token: SeSecurityPrivilege 4944 TiWorker.exe -
Suspicious use of WriteProcessMemory 9 IoCs
description pid Process procid_target PID 5064 wrote to memory of 1876 5064 0f1b5bcc1fd902a481d402643b3be555ab17fab2460ebf70a9b73c196f22c95f.exe 81 PID 5064 wrote to memory of 1876 5064 0f1b5bcc1fd902a481d402643b3be555ab17fab2460ebf70a9b73c196f22c95f.exe 81 PID 5064 wrote to memory of 1876 5064 0f1b5bcc1fd902a481d402643b3be555ab17fab2460ebf70a9b73c196f22c95f.exe 81 PID 5064 wrote to memory of 4700 5064 0f1b5bcc1fd902a481d402643b3be555ab17fab2460ebf70a9b73c196f22c95f.exe 92 PID 5064 wrote to memory of 4700 5064 0f1b5bcc1fd902a481d402643b3be555ab17fab2460ebf70a9b73c196f22c95f.exe 92 PID 5064 wrote to memory of 4700 5064 0f1b5bcc1fd902a481d402643b3be555ab17fab2460ebf70a9b73c196f22c95f.exe 92 PID 4700 wrote to memory of 3520 4700 cmd.exe 94 PID 4700 wrote to memory of 3520 4700 cmd.exe 94 PID 4700 wrote to memory of 3520 4700 cmd.exe 94
Processes
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C:\Users\Admin\AppData\Local\Temp\0f1b5bcc1fd902a481d402643b3be555ab17fab2460ebf70a9b73c196f22c95f.exe"C:\Users\Admin\AppData\Local\Temp\0f1b5bcc1fd902a481d402643b3be555ab17fab2460ebf70a9b73c196f22c95f.exe"1⤵
- Checks computer location settings
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:5064 -
C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exeC:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe2⤵
- Executes dropped EXE
PID:1876
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C:\Windows\SysWOW64\cmd.exe"C:\Windows\System32\cmd.exe" /c ping 127.0.0.1 & del /q "C:\Users\Admin\AppData\Local\Temp\0f1b5bcc1fd902a481d402643b3be555ab17fab2460ebf70a9b73c196f22c95f.exe"2⤵
- Suspicious use of WriteProcessMemory
PID:4700 -
C:\Windows\SysWOW64\PING.EXEping 127.0.0.13⤵
- Runs ping.exe
PID:3520
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C:\Windows\system32\svchost.exeC:\Windows\system32\svchost.exe -k netsvcs -p -s wuauserv1⤵
- Drops file in Windows directory
- Suspicious use of AdjustPrivilegeToken
PID:4888
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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:4944