Analysis
- max time kernel
171s - max time network
179s - platform
windows10-2004_x64 - resource
win10v2004-en-20220113 - submitted
08/02/2022, 07:57
Static task
static1
Behavioral task
behavioral1
Sample
cad5f7c1e1bf8acf5fe660949d0ba032.dll
Resource
win7-en-20211208
windows7_x64
0 signatures
0 seconds
Behavioral task
behavioral2
Sample
cad5f7c1e1bf8acf5fe660949d0ba032.dll
Resource
win10v2004-en-20220113
windows10-2004_x64
0 signatures
0 seconds
General
- Target cad5f7c1e1bf8acf5fe660949d0ba032.dll
- Size 608KB
- Sample220208-js9mjaegbl
- SHA256 0476fa19a76072af62582d3b005a46bbfd41936c1a40de54aa115b8b1281917a
- MD5 cad5f7c1e1bf8acf5fe660949d0ba032
- SHA1 e6e9c0ae5af4afa97e282af96a7866b3362aaed7
- SHA512 2a483fb002405bae8d0b6064d23de60beca8e903b91789406cc8545a8dfb7977509b5ba3d1413c7ae9eacc0bb57ccdf646d7a8537c964b90524119c50c9a8a04
- MD5 SHA1 SHA512
Score
4/10
Malware Config
Signatures
- Drops file in Windows directory 8 IoCs
description ioc Process 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 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 - Suspicious use of AdjustPrivilegeToken 64 IoCs
description pid Process Token: SeShutdownPrivilege 484 svchost.exe Token: SeCreatePagefilePrivilege 484 svchost.exe Token: SeShutdownPrivilege 484 svchost.exe Token: SeCreatePagefilePrivilege 484 svchost.exe Token: SeShutdownPrivilege 484 svchost.exe Token: SeCreatePagefilePrivilege 484 svchost.exe Token: SeSecurityPrivilege 4472 TiWorker.exe Token: SeRestorePrivilege 4472 TiWorker.exe Token: SeBackupPrivilege 4472 TiWorker.exe Token: SeBackupPrivilege 4472 TiWorker.exe Token: SeRestorePrivilege 4472 TiWorker.exe Token: SeSecurityPrivilege 4472 TiWorker.exe Token: SeBackupPrivilege 4472 TiWorker.exe Token: SeRestorePrivilege 4472 TiWorker.exe Token: SeSecurityPrivilege 4472 TiWorker.exe Token: SeBackupPrivilege 4472 TiWorker.exe Token: SeRestorePrivilege 4472 TiWorker.exe Token: SeSecurityPrivilege 4472 TiWorker.exe Token: SeBackupPrivilege 4472 TiWorker.exe Token: SeRestorePrivilege 4472 TiWorker.exe Token: SeSecurityPrivilege 4472 TiWorker.exe Token: SeBackupPrivilege 4472 TiWorker.exe Token: SeRestorePrivilege 4472 TiWorker.exe Token: SeSecurityPrivilege 4472 TiWorker.exe Token: SeBackupPrivilege 4472 TiWorker.exe Token: SeRestorePrivilege 4472 TiWorker.exe Token: SeSecurityPrivilege 4472 TiWorker.exe Token: SeBackupPrivilege 4472 TiWorker.exe Token: SeRestorePrivilege 4472 TiWorker.exe Token: SeSecurityPrivilege 4472 TiWorker.exe Token: SeBackupPrivilege 4472 TiWorker.exe Token: SeRestorePrivilege 4472 TiWorker.exe Token: SeSecurityPrivilege 4472 TiWorker.exe Token: SeBackupPrivilege 4472 TiWorker.exe Token: SeRestorePrivilege 4472 TiWorker.exe Token: SeSecurityPrivilege 4472 TiWorker.exe Token: SeBackupPrivilege 4472 TiWorker.exe Token: SeRestorePrivilege 4472 TiWorker.exe Token: SeSecurityPrivilege 4472 TiWorker.exe Token: SeBackupPrivilege 4472 TiWorker.exe Token: SeRestorePrivilege 4472 TiWorker.exe Token: SeSecurityPrivilege 4472 TiWorker.exe Token: SeBackupPrivilege 4472 TiWorker.exe Token: SeRestorePrivilege 4472 TiWorker.exe Token: SeSecurityPrivilege 4472 TiWorker.exe Token: SeBackupPrivilege 4472 TiWorker.exe Token: SeRestorePrivilege 4472 TiWorker.exe Token: SeSecurityPrivilege 4472 TiWorker.exe Token: SeBackupPrivilege 4472 TiWorker.exe Token: SeRestorePrivilege 4472 TiWorker.exe Token: SeSecurityPrivilege 4472 TiWorker.exe Token: SeBackupPrivilege 4472 TiWorker.exe Token: SeRestorePrivilege 4472 TiWorker.exe Token: SeSecurityPrivilege 4472 TiWorker.exe Token: SeBackupPrivilege 4472 TiWorker.exe Token: SeRestorePrivilege 4472 TiWorker.exe Token: SeSecurityPrivilege 4472 TiWorker.exe Token: SeBackupPrivilege 4472 TiWorker.exe Token: SeRestorePrivilege 4472 TiWorker.exe Token: SeSecurityPrivilege 4472 TiWorker.exe Token: SeBackupPrivilege 4472 TiWorker.exe Token: SeRestorePrivilege 4472 TiWorker.exe Token: SeSecurityPrivilege 4472 TiWorker.exe Token: SeBackupPrivilege 4472 TiWorker.exe - Suspicious use of WriteProcessMemory 6 IoCs
description pid Process procid_target PID 3912 wrote to memory of 4116 3912 regsvr32.exe 81 PID 3912 wrote to memory of 4116 3912 regsvr32.exe 81 PID 3912 wrote to memory of 4116 3912 regsvr32.exe 81 PID 4116 wrote to memory of 4128 4116 regsvr32.exe 84 PID 4116 wrote to memory of 4128 4116 regsvr32.exe 84 PID 4116 wrote to memory of 4128 4116 regsvr32.exe 84
Processes
-
C:\Windows\system32\regsvr32.exeregsvr32 /s C:\Users\Admin\AppData\Local\Temp\cad5f7c1e1bf8acf5fe660949d0ba032.dll1⤵
- Suspicious use of WriteProcessMemory
PID:3912 -
C:\Windows\SysWOW64\regsvr32.exe/s C:\Users\Admin\AppData\Local\Temp\cad5f7c1e1bf8acf5fe660949d0ba032.dll2⤵
- Suspicious use of WriteProcessMemory
PID:4116 -
C:\Windows\SysWOW64\rundll32.exeC:\Windows\SysWOW64\rundll32.exe "C:\Users\Admin\AppData\Local\Temp\cad5f7c1e1bf8acf5fe660949d0ba032.dll",DllRegisterServer3⤵PID:4128
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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:484
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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:4472