Analysis
- max time kernel
131s - max time network
174s - platform
windows10-2004_x64 - resource
win10v2004-en-20220113 - submitted
17/02/2022, 02:19
Static task
static1
Behavioral task
behavioral1
Sample
63f31cdf2ccc24126174d773f51b1407c1060e771ae6c5b98cc84c44c7e39509.exe
Resource
win7-en-20211208
windows7_x64
0 signatures
0 seconds
General
- Target 63f31cdf2ccc24126174d773f51b1407c1060e771ae6c5b98cc84c44c7e39509.exe
- Size 132KB
- Sample220217-csbxyafhe5
- SHA256 63f31cdf2ccc24126174d773f51b1407c1060e771ae6c5b98cc84c44c7e39509
- MD5 31f5cc0713e89a20bb6ee15db97a5418
- SHA1 4822b3c50ec0390e7172d10bd9d4d939e5a673f8
- SHA512 b0b6b169c00b794a2f9440275be1801a13104d499e2ca81ddb649cef2693e7bb9e416aa224f137fc084744d007107864e58878e8ac5bf654df74d9e5d8a37a88
- MD5 SHA1 SHA512
Malware Config
Signatures
- NetWire RAT payload 2 IoCs
resource yara_rule behavioral2/files/0x000500000001e7a7-130.dat netwire behavioral2/files/0x000500000001e7a7-131.dat netwire - Executes dropped EXE 1 IoCs
pid Process 4504 comstatfix.exe - Drops file in Windows directory 8 IoCs
description ioc Process 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 File opened for modification C:\Windows\SoftwareDistribution\DataStore\DataStore.edb svchost.exe - Suspicious use of AdjustPrivilegeToken 64 IoCs
description pid Process Token: SeShutdownPrivilege 4784 svchost.exe Token: SeCreatePagefilePrivilege 4784 svchost.exe Token: SeShutdownPrivilege 4784 svchost.exe Token: SeCreatePagefilePrivilege 4784 svchost.exe Token: SeShutdownPrivilege 4784 svchost.exe Token: SeCreatePagefilePrivilege 4784 svchost.exe Token: SeSecurityPrivilege 2104 TiWorker.exe Token: SeRestorePrivilege 2104 TiWorker.exe Token: SeBackupPrivilege 2104 TiWorker.exe Token: SeBackupPrivilege 2104 TiWorker.exe Token: SeRestorePrivilege 2104 TiWorker.exe Token: SeSecurityPrivilege 2104 TiWorker.exe Token: SeBackupPrivilege 2104 TiWorker.exe Token: SeRestorePrivilege 2104 TiWorker.exe Token: SeSecurityPrivilege 2104 TiWorker.exe Token: SeBackupPrivilege 2104 TiWorker.exe Token: SeRestorePrivilege 2104 TiWorker.exe Token: SeSecurityPrivilege 2104 TiWorker.exe Token: SeBackupPrivilege 2104 TiWorker.exe Token: SeRestorePrivilege 2104 TiWorker.exe Token: SeSecurityPrivilege 2104 TiWorker.exe Token: SeBackupPrivilege 2104 TiWorker.exe Token: SeRestorePrivilege 2104 TiWorker.exe Token: SeSecurityPrivilege 2104 TiWorker.exe Token: SeBackupPrivilege 2104 TiWorker.exe Token: SeRestorePrivilege 2104 TiWorker.exe Token: SeSecurityPrivilege 2104 TiWorker.exe Token: SeBackupPrivilege 2104 TiWorker.exe Token: SeRestorePrivilege 2104 TiWorker.exe Token: SeSecurityPrivilege 2104 TiWorker.exe Token: SeBackupPrivilege 2104 TiWorker.exe Token: SeRestorePrivilege 2104 TiWorker.exe Token: SeSecurityPrivilege 2104 TiWorker.exe Token: SeBackupPrivilege 2104 TiWorker.exe Token: SeRestorePrivilege 2104 TiWorker.exe Token: SeSecurityPrivilege 2104 TiWorker.exe Token: SeBackupPrivilege 2104 TiWorker.exe Token: SeRestorePrivilege 2104 TiWorker.exe Token: SeSecurityPrivilege 2104 TiWorker.exe Token: SeBackupPrivilege 2104 TiWorker.exe Token: SeRestorePrivilege 2104 TiWorker.exe Token: SeSecurityPrivilege 2104 TiWorker.exe Token: SeBackupPrivilege 2104 TiWorker.exe Token: SeRestorePrivilege 2104 TiWorker.exe Token: SeSecurityPrivilege 2104 TiWorker.exe Token: SeBackupPrivilege 2104 TiWorker.exe Token: SeRestorePrivilege 2104 TiWorker.exe Token: SeSecurityPrivilege 2104 TiWorker.exe Token: SeBackupPrivilege 2104 TiWorker.exe Token: SeRestorePrivilege 2104 TiWorker.exe Token: SeSecurityPrivilege 2104 TiWorker.exe Token: SeBackupPrivilege 2104 TiWorker.exe Token: SeRestorePrivilege 2104 TiWorker.exe Token: SeSecurityPrivilege 2104 TiWorker.exe Token: SeBackupPrivilege 2104 TiWorker.exe Token: SeRestorePrivilege 2104 TiWorker.exe Token: SeSecurityPrivilege 2104 TiWorker.exe Token: SeBackupPrivilege 2104 TiWorker.exe Token: SeRestorePrivilege 2104 TiWorker.exe Token: SeSecurityPrivilege 2104 TiWorker.exe Token: SeBackupPrivilege 2104 TiWorker.exe Token: SeRestorePrivilege 2104 TiWorker.exe Token: SeSecurityPrivilege 2104 TiWorker.exe Token: SeBackupPrivilege 2104 TiWorker.exe - Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 3944 wrote to memory of 4504 3944 63f31cdf2ccc24126174d773f51b1407c1060e771ae6c5b98cc84c44c7e39509.exe 81 PID 3944 wrote to memory of 4504 3944 63f31cdf2ccc24126174d773f51b1407c1060e771ae6c5b98cc84c44c7e39509.exe 81 PID 3944 wrote to memory of 4504 3944 63f31cdf2ccc24126174d773f51b1407c1060e771ae6c5b98cc84c44c7e39509.exe 81
Processes
-
C:\Users\Admin\AppData\Local\Temp\63f31cdf2ccc24126174d773f51b1407c1060e771ae6c5b98cc84c44c7e39509.exe"C:\Users\Admin\AppData\Local\Temp\63f31cdf2ccc24126174d773f51b1407c1060e771ae6c5b98cc84c44c7e39509.exe"1⤵
- Suspicious use of WriteProcessMemory
PID:3944 -
C:\Users\Admin\AppData\Roaming\Install\comstatfix.exe"C:\Users\Admin\AppData\Roaming\Install\comstatfix.exe"2⤵
- Executes dropped EXE
PID:4504
-
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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:4784
-
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:2104