Analysis
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max time kernel
173s -
max time network
192s -
platform
windows10-2004_x64 -
resource
win10v2004-en-20220113 -
submitted
17-02-2022 07:17
Static task
static1
Behavioral task
behavioral1
Sample
0a689281e5c807412fd9fca5f4a2d02f90e149da1ecc16179a09d88fa88eed74.exe
Resource
win7-en-20211208
windows7_x64
0 signatures
0 seconds
General
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Target
0a689281e5c807412fd9fca5f4a2d02f90e149da1ecc16179a09d88fa88eed74.exe
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Size
411KB
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MD5
75c167de4b7f43468462a76d8e7a38e5
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SHA1
50edb9a411038983e8650d2feaaa83c9fb041ea0
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SHA256
0a689281e5c807412fd9fca5f4a2d02f90e149da1ecc16179a09d88fa88eed74
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SHA512
4e1d8c3778edde0bf2b1fdcf78fa87a9497a27a109666c22ddb264d2abfaeec015d3103a42bf1745a922aae0f2fb15700e834f95854856a6b05be193b50f6387
Malware Config
Signatures
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Drops startup file 3 IoCs
description ioc Process File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\StreamWorks.exe 0a689281e5c807412fd9fca5f4a2d02f90e149da1ecc16179a09d88fa88eed74.exe File created C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\StreamWorks.exe DllHost.exe File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\StreamWorks.exe DllHost.exe -
Drops file in Windows directory 8 IoCs
description ioc Process 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 File opened for modification C:\Windows\SoftwareDistribution\ReportingEvents.log svchost.exe File opened for modification C:\Windows\Logs\CBS\CBS.log TiWorker.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
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Suspicious use of AdjustPrivilegeToken 64 IoCs
description pid Process Token: SeShutdownPrivilege 3212 svchost.exe Token: SeCreatePagefilePrivilege 3212 svchost.exe Token: SeShutdownPrivilege 3212 svchost.exe Token: SeCreatePagefilePrivilege 3212 svchost.exe Token: SeShutdownPrivilege 3212 svchost.exe Token: SeCreatePagefilePrivilege 3212 svchost.exe Token: SeSecurityPrivilege 3548 TiWorker.exe Token: SeRestorePrivilege 3548 TiWorker.exe Token: SeBackupPrivilege 3548 TiWorker.exe Token: SeBackupPrivilege 3548 TiWorker.exe Token: SeRestorePrivilege 3548 TiWorker.exe Token: SeSecurityPrivilege 3548 TiWorker.exe Token: SeBackupPrivilege 3548 TiWorker.exe Token: SeRestorePrivilege 3548 TiWorker.exe Token: SeSecurityPrivilege 3548 TiWorker.exe Token: SeBackupPrivilege 3548 TiWorker.exe Token: SeRestorePrivilege 3548 TiWorker.exe Token: SeSecurityPrivilege 3548 TiWorker.exe Token: SeBackupPrivilege 3548 TiWorker.exe Token: SeRestorePrivilege 3548 TiWorker.exe Token: SeSecurityPrivilege 3548 TiWorker.exe Token: SeBackupPrivilege 3548 TiWorker.exe Token: SeRestorePrivilege 3548 TiWorker.exe Token: SeSecurityPrivilege 3548 TiWorker.exe Token: SeBackupPrivilege 3548 TiWorker.exe Token: SeRestorePrivilege 3548 TiWorker.exe Token: SeSecurityPrivilege 3548 TiWorker.exe Token: SeBackupPrivilege 3548 TiWorker.exe Token: SeRestorePrivilege 3548 TiWorker.exe Token: SeSecurityPrivilege 3548 TiWorker.exe Token: SeBackupPrivilege 3548 TiWorker.exe Token: SeRestorePrivilege 3548 TiWorker.exe Token: SeSecurityPrivilege 3548 TiWorker.exe Token: SeBackupPrivilege 3548 TiWorker.exe Token: SeRestorePrivilege 3548 TiWorker.exe Token: SeSecurityPrivilege 3548 TiWorker.exe Token: SeBackupPrivilege 3548 TiWorker.exe Token: SeRestorePrivilege 3548 TiWorker.exe Token: SeSecurityPrivilege 3548 TiWorker.exe Token: SeBackupPrivilege 3548 TiWorker.exe Token: SeRestorePrivilege 3548 TiWorker.exe Token: SeSecurityPrivilege 3548 TiWorker.exe Token: SeBackupPrivilege 3548 TiWorker.exe Token: SeRestorePrivilege 3548 TiWorker.exe Token: SeSecurityPrivilege 3548 TiWorker.exe Token: SeBackupPrivilege 3548 TiWorker.exe Token: SeRestorePrivilege 3548 TiWorker.exe Token: SeSecurityPrivilege 3548 TiWorker.exe Token: SeBackupPrivilege 3548 TiWorker.exe Token: SeRestorePrivilege 3548 TiWorker.exe Token: SeSecurityPrivilege 3548 TiWorker.exe Token: SeBackupPrivilege 3548 TiWorker.exe Token: SeRestorePrivilege 3548 TiWorker.exe Token: SeSecurityPrivilege 3548 TiWorker.exe Token: SeBackupPrivilege 3548 TiWorker.exe Token: SeRestorePrivilege 3548 TiWorker.exe Token: SeSecurityPrivilege 3548 TiWorker.exe Token: SeBackupPrivilege 3548 TiWorker.exe Token: SeRestorePrivilege 3548 TiWorker.exe Token: SeSecurityPrivilege 3548 TiWorker.exe Token: SeBackupPrivilege 3548 TiWorker.exe Token: SeRestorePrivilege 3548 TiWorker.exe Token: SeSecurityPrivilege 3548 TiWorker.exe Token: SeBackupPrivilege 3548 TiWorker.exe -
Suspicious use of SetWindowsHookEx 1 IoCs
pid Process 3420 0a689281e5c807412fd9fca5f4a2d02f90e149da1ecc16179a09d88fa88eed74.exe -
Suspicious use of WriteProcessMemory 5 IoCs
description pid Process procid_target PID 3420 wrote to memory of 4168 3420 0a689281e5c807412fd9fca5f4a2d02f90e149da1ecc16179a09d88fa88eed74.exe 96 PID 3420 wrote to memory of 4168 3420 0a689281e5c807412fd9fca5f4a2d02f90e149da1ecc16179a09d88fa88eed74.exe 96 PID 3420 wrote to memory of 4168 3420 0a689281e5c807412fd9fca5f4a2d02f90e149da1ecc16179a09d88fa88eed74.exe 96 PID 3420 wrote to memory of 4168 3420 0a689281e5c807412fd9fca5f4a2d02f90e149da1ecc16179a09d88fa88eed74.exe 96 PID 3420 wrote to memory of 4168 3420 0a689281e5c807412fd9fca5f4a2d02f90e149da1ecc16179a09d88fa88eed74.exe 96
Processes
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C:\Users\Admin\AppData\Local\Temp\0a689281e5c807412fd9fca5f4a2d02f90e149da1ecc16179a09d88fa88eed74.exe"C:\Users\Admin\AppData\Local\Temp\0a689281e5c807412fd9fca5f4a2d02f90e149da1ecc16179a09d88fa88eed74.exe"1⤵
- Drops startup file
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:3420 -
C:\Windows\SysWOW64\WerFault.exe"C:\Windows\System32\WerFault.exe"2⤵PID:4168
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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:3212
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C:\Windows\SysWOW64\DllHost.exeC:\Windows\SysWOW64\DllHost.exe /Processid:{3AD05575-8857-4850-9277-11B85BDB8E09}1⤵
- Drops startup file
PID:3692
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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:3548