Analysis
- max time kernel
150s - max time network
155s - platform
windows10-2004_x64 - resource
win10v2004-en-20220113 - submitted
17/02/2022, 00:09
Static task
static1
Behavioral task
behavioral1
Sample
cb401f856fbceb4528a3c6d3615ab3037595737ef1a087f1ba6ca89fcdcde506.dll
Resource
win7-en-20211208
windows7_x64
0 signatures
0 seconds
Behavioral task
behavioral2
Sample
cb401f856fbceb4528a3c6d3615ab3037595737ef1a087f1ba6ca89fcdcde506.dll
Resource
win10v2004-en-20220113
windows10-2004_x64
0 signatures
0 seconds
General
- Target cb401f856fbceb4528a3c6d3615ab3037595737ef1a087f1ba6ca89fcdcde506.dll
- Size 712KB
- Sample220217-afsntagaaj
- SHA256 cb401f856fbceb4528a3c6d3615ab3037595737ef1a087f1ba6ca89fcdcde506
- MD5 5b0362229dcd6b1b6b60196eba67104a
- SHA1 f829e2ba8baf67d5d5c4241a8a44f301102ee621
- SHA512 af41c62b88ca6ca3214f64e74d3c147a0a0d7bd57f673c65677e1e74dabbb1033e5a9bf08d2cfc6f1ecb066b3daa8fdfb1d1f4b5efe47bf42c8d8f703c65c2cb
- MD5 SHA1 SHA512
Score
10/10
Malware Config
Signatures
- Bazar Loader
Detected loader normally used to deploy BazarBackdoor malware.
- Bazar/Team9 Loader payload 1 IoCs
resource yara_rule behavioral2/memory/1704-133-0x000001E309690000-0x000001E3096BB000-memory.dmp BazarLoaderVar6 - Drops file in Windows directory 8 IoCs
description ioc Process 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 File opened for modification C:\Windows\SoftwareDistribution\DataStore\DataStore.edb svchost.exe File opened for modification C:\Windows\SoftwareDistribution\DataStore\DataStore.jfm svchost.exe - Suspicious use of AdjustPrivilegeToken 64 IoCs
description pid Process Token: SeShutdownPrivilege 4900 svchost.exe Token: SeCreatePagefilePrivilege 4900 svchost.exe Token: SeShutdownPrivilege 4900 svchost.exe Token: SeCreatePagefilePrivilege 4900 svchost.exe Token: SeShutdownPrivilege 4900 svchost.exe Token: SeCreatePagefilePrivilege 4900 svchost.exe Token: SeSecurityPrivilege 4508 TiWorker.exe Token: SeRestorePrivilege 4508 TiWorker.exe Token: SeBackupPrivilege 4508 TiWorker.exe Token: SeBackupPrivilege 4508 TiWorker.exe Token: SeRestorePrivilege 4508 TiWorker.exe Token: SeSecurityPrivilege 4508 TiWorker.exe Token: SeBackupPrivilege 4508 TiWorker.exe Token: SeRestorePrivilege 4508 TiWorker.exe Token: SeSecurityPrivilege 4508 TiWorker.exe Token: SeBackupPrivilege 4508 TiWorker.exe Token: SeRestorePrivilege 4508 TiWorker.exe Token: SeSecurityPrivilege 4508 TiWorker.exe Token: SeBackupPrivilege 4508 TiWorker.exe Token: SeRestorePrivilege 4508 TiWorker.exe Token: SeSecurityPrivilege 4508 TiWorker.exe Token: SeBackupPrivilege 4508 TiWorker.exe Token: SeRestorePrivilege 4508 TiWorker.exe Token: SeSecurityPrivilege 4508 TiWorker.exe Token: SeBackupPrivilege 4508 TiWorker.exe Token: SeRestorePrivilege 4508 TiWorker.exe Token: SeSecurityPrivilege 4508 TiWorker.exe Token: SeBackupPrivilege 4508 TiWorker.exe Token: SeRestorePrivilege 4508 TiWorker.exe Token: SeSecurityPrivilege 4508 TiWorker.exe Token: SeBackupPrivilege 4508 TiWorker.exe Token: SeRestorePrivilege 4508 TiWorker.exe Token: SeSecurityPrivilege 4508 TiWorker.exe Token: SeBackupPrivilege 4508 TiWorker.exe Token: SeRestorePrivilege 4508 TiWorker.exe Token: SeSecurityPrivilege 4508 TiWorker.exe Token: SeBackupPrivilege 4508 TiWorker.exe Token: SeRestorePrivilege 4508 TiWorker.exe Token: SeSecurityPrivilege 4508 TiWorker.exe Token: SeBackupPrivilege 4508 TiWorker.exe Token: SeRestorePrivilege 4508 TiWorker.exe Token: SeSecurityPrivilege 4508 TiWorker.exe Token: SeBackupPrivilege 4508 TiWorker.exe Token: SeRestorePrivilege 4508 TiWorker.exe Token: SeSecurityPrivilege 4508 TiWorker.exe Token: SeBackupPrivilege 4508 TiWorker.exe Token: SeRestorePrivilege 4508 TiWorker.exe Token: SeSecurityPrivilege 4508 TiWorker.exe Token: SeBackupPrivilege 4508 TiWorker.exe Token: SeRestorePrivilege 4508 TiWorker.exe Token: SeSecurityPrivilege 4508 TiWorker.exe Token: SeBackupPrivilege 4508 TiWorker.exe Token: SeRestorePrivilege 4508 TiWorker.exe Token: SeSecurityPrivilege 4508 TiWorker.exe Token: SeBackupPrivilege 4508 TiWorker.exe Token: SeRestorePrivilege 4508 TiWorker.exe Token: SeSecurityPrivilege 4508 TiWorker.exe Token: SeBackupPrivilege 4508 TiWorker.exe Token: SeRestorePrivilege 4508 TiWorker.exe Token: SeSecurityPrivilege 4508 TiWorker.exe Token: SeBackupPrivilege 4508 TiWorker.exe Token: SeRestorePrivilege 4508 TiWorker.exe Token: SeSecurityPrivilege 4508 TiWorker.exe Token: SeBackupPrivilege 4508 TiWorker.exe
Processes
-
C:\Windows\system32\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\cb401f856fbceb4528a3c6d3615ab3037595737ef1a087f1ba6ca89fcdcde506.dll,#11⤵PID:1704
-
C:\Windows\system32\svchost.exeC:\Windows\system32\svchost.exe -k netsvcs -p -s wuauserv1⤵
- Drops file in Windows directory
- Suspicious use of AdjustPrivilegeToken
PID:4900
-
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:4508