Analysis
-
max time kernel
156s -
max time network
164s -
platform
windows10-2004_x64 -
resource
win10v2004-en-20220113 -
submitted
14-02-2022 07:53
Static task
static1
Behavioral task
behavioral1
Sample
3ef858b1eb077cad768f0f11fb075ec4dd375546408a41404c7bc69e8916fe0c.exe
Resource
win7-en-20211208
windows7_x64
0 signatures
0 seconds
Behavioral task
behavioral2
Sample
3ef858b1eb077cad768f0f11fb075ec4dd375546408a41404c7bc69e8916fe0c.exe
Resource
win10v2004-en-20220113
windows10-2004_x64
0 signatures
0 seconds
General
-
Target
3ef858b1eb077cad768f0f11fb075ec4dd375546408a41404c7bc69e8916fe0c.exe
-
Size
39KB
-
MD5
3029da1bc7e40fc66d049998d90c9fd5
-
SHA1
18449595e05528476a835c469ea8314a4ddc7e4a
-
SHA256
3ef858b1eb077cad768f0f11fb075ec4dd375546408a41404c7bc69e8916fe0c
-
SHA512
3301d3e31d7864373a1a9309b41da6949dcf5bd9beb2b287505e42ce98796165d6140c3d0fda0f0963a890a230e8a2a3d16eaf987245def1579545a862d37d2b
Score
10/10
Malware Config
Signatures
-
Upatre
Upatre is a generic malware downloader.
-
Executes dropped EXE 1 IoCs
pid Process 2708 szgfw.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 3ef858b1eb077cad768f0f11fb075ec4dd375546408a41404c7bc69e8916fe0c.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 2444 svchost.exe Token: SeCreatePagefilePrivilege 2444 svchost.exe Token: SeShutdownPrivilege 2444 svchost.exe Token: SeCreatePagefilePrivilege 2444 svchost.exe Token: SeShutdownPrivilege 2444 svchost.exe Token: SeCreatePagefilePrivilege 2444 svchost.exe Token: SeSecurityPrivilege 1688 TiWorker.exe Token: SeRestorePrivilege 1688 TiWorker.exe Token: SeBackupPrivilege 1688 TiWorker.exe Token: SeBackupPrivilege 1688 TiWorker.exe Token: SeRestorePrivilege 1688 TiWorker.exe Token: SeSecurityPrivilege 1688 TiWorker.exe Token: SeBackupPrivilege 1688 TiWorker.exe Token: SeRestorePrivilege 1688 TiWorker.exe Token: SeSecurityPrivilege 1688 TiWorker.exe Token: SeBackupPrivilege 1688 TiWorker.exe Token: SeRestorePrivilege 1688 TiWorker.exe Token: SeSecurityPrivilege 1688 TiWorker.exe Token: SeBackupPrivilege 1688 TiWorker.exe Token: SeRestorePrivilege 1688 TiWorker.exe Token: SeSecurityPrivilege 1688 TiWorker.exe Token: SeBackupPrivilege 1688 TiWorker.exe Token: SeRestorePrivilege 1688 TiWorker.exe Token: SeSecurityPrivilege 1688 TiWorker.exe Token: SeBackupPrivilege 1688 TiWorker.exe Token: SeRestorePrivilege 1688 TiWorker.exe Token: SeSecurityPrivilege 1688 TiWorker.exe Token: SeBackupPrivilege 1688 TiWorker.exe Token: SeRestorePrivilege 1688 TiWorker.exe Token: SeSecurityPrivilege 1688 TiWorker.exe Token: SeBackupPrivilege 1688 TiWorker.exe Token: SeRestorePrivilege 1688 TiWorker.exe Token: SeSecurityPrivilege 1688 TiWorker.exe Token: SeBackupPrivilege 1688 TiWorker.exe Token: SeRestorePrivilege 1688 TiWorker.exe Token: SeSecurityPrivilege 1688 TiWorker.exe Token: SeBackupPrivilege 1688 TiWorker.exe Token: SeRestorePrivilege 1688 TiWorker.exe Token: SeSecurityPrivilege 1688 TiWorker.exe Token: SeBackupPrivilege 1688 TiWorker.exe Token: SeRestorePrivilege 1688 TiWorker.exe Token: SeSecurityPrivilege 1688 TiWorker.exe Token: SeBackupPrivilege 1688 TiWorker.exe Token: SeRestorePrivilege 1688 TiWorker.exe Token: SeSecurityPrivilege 1688 TiWorker.exe Token: SeBackupPrivilege 1688 TiWorker.exe Token: SeRestorePrivilege 1688 TiWorker.exe Token: SeSecurityPrivilege 1688 TiWorker.exe Token: SeBackupPrivilege 1688 TiWorker.exe Token: SeRestorePrivilege 1688 TiWorker.exe Token: SeSecurityPrivilege 1688 TiWorker.exe Token: SeBackupPrivilege 1688 TiWorker.exe Token: SeRestorePrivilege 1688 TiWorker.exe Token: SeSecurityPrivilege 1688 TiWorker.exe Token: SeBackupPrivilege 1688 TiWorker.exe Token: SeRestorePrivilege 1688 TiWorker.exe Token: SeSecurityPrivilege 1688 TiWorker.exe Token: SeBackupPrivilege 1688 TiWorker.exe Token: SeRestorePrivilege 1688 TiWorker.exe Token: SeSecurityPrivilege 1688 TiWorker.exe Token: SeBackupPrivilege 1688 TiWorker.exe Token: SeRestorePrivilege 1688 TiWorker.exe Token: SeSecurityPrivilege 1688 TiWorker.exe Token: SeBackupPrivilege 1688 TiWorker.exe -
Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 396 wrote to memory of 2708 396 3ef858b1eb077cad768f0f11fb075ec4dd375546408a41404c7bc69e8916fe0c.exe 87 PID 396 wrote to memory of 2708 396 3ef858b1eb077cad768f0f11fb075ec4dd375546408a41404c7bc69e8916fe0c.exe 87 PID 396 wrote to memory of 2708 396 3ef858b1eb077cad768f0f11fb075ec4dd375546408a41404c7bc69e8916fe0c.exe 87
Processes
-
C:\Users\Admin\AppData\Local\Temp\3ef858b1eb077cad768f0f11fb075ec4dd375546408a41404c7bc69e8916fe0c.exe"C:\Users\Admin\AppData\Local\Temp\3ef858b1eb077cad768f0f11fb075ec4dd375546408a41404c7bc69e8916fe0c.exe"1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:396 -
C:\Users\Admin\AppData\Local\Temp\szgfw.exe"C:\Users\Admin\AppData\Local\Temp\szgfw.exe"2⤵
- Executes dropped EXE
PID:2708
-
-
C:\Windows\system32\svchost.exeC:\Windows\system32\svchost.exe -k netsvcs -p -s wuauserv1⤵
- Drops file in Windows directory
- Suspicious use of AdjustPrivilegeToken
PID:2444
-
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:1688