Analysis
- max time kernel
127s - max time network
168s - platform
windows10-2004_x64 - resource
win10v2004-en-20220113 - submitted
17/02/2022, 02:48
Static task
static1
Behavioral task
behavioral1
Sample
5f1dd004b2375fca086229c889ce79f753a3bd89bccc71e3ad225268334ab397.exe
Resource
win7-en-20211208
windows7_x64
0 signatures
0 seconds
Behavioral task
behavioral2
Sample
5f1dd004b2375fca086229c889ce79f753a3bd89bccc71e3ad225268334ab397.exe
Resource
win10v2004-en-20220113
windows10-2004_x64
0 signatures
0 seconds
General
- Target 5f1dd004b2375fca086229c889ce79f753a3bd89bccc71e3ad225268334ab397.exe
- Size 132KB
- Sample220217-danpfsgbf9
- SHA256 5f1dd004b2375fca086229c889ce79f753a3bd89bccc71e3ad225268334ab397
- MD5 ef27e69c697d6b8767abadeb2bc32ea8
- SHA1 eb9b3a37df4cc57dd56d589cb2c6053e1826b23a
- SHA512 1bf06807fb6dcf80e56694b125d609ad1868014ea3ebeeaa5997460e88e0e0b02882d45bef582b21d734122101e775a85ec610f80a3994ecd4ba78027bd5b18b
- MD5 SHA1 SHA512
Score
10/10
Malware Config
Signatures
- NetWire RAT payload 2 IoCs
resource yara_rule behavioral2/files/0x000500000001e791-130.dat netwire behavioral2/files/0x000500000001e791-131.dat netwire - Executes dropped EXE 1 IoCs
pid Process 1304 Host.exe - Modifies Installed Components in the registry 2 TTPs
- Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Key created \REGISTRY\USER\S-1-5-21-1346565761-3498240568-4147300184-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\ Host.exe Set value (str) \REGISTRY\USER\S-1-5-21-1346565761-3498240568-4147300184-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\system = "C:\\Users\\Admin\\AppData\\Roaming\\Install\\Host.exe" Host.exe - Drops file in Windows directory 8 IoCs
description ioc Process 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 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 - Suspicious use of AdjustPrivilegeToken 64 IoCs
description pid Process Token: SeShutdownPrivilege 992 svchost.exe Token: SeCreatePagefilePrivilege 992 svchost.exe Token: SeShutdownPrivilege 992 svchost.exe Token: SeCreatePagefilePrivilege 992 svchost.exe Token: SeShutdownPrivilege 992 svchost.exe Token: SeCreatePagefilePrivilege 992 svchost.exe Token: SeSecurityPrivilege 2528 TiWorker.exe Token: SeRestorePrivilege 2528 TiWorker.exe Token: SeBackupPrivilege 2528 TiWorker.exe Token: SeBackupPrivilege 2528 TiWorker.exe Token: SeRestorePrivilege 2528 TiWorker.exe Token: SeSecurityPrivilege 2528 TiWorker.exe Token: SeBackupPrivilege 2528 TiWorker.exe Token: SeRestorePrivilege 2528 TiWorker.exe Token: SeSecurityPrivilege 2528 TiWorker.exe Token: SeBackupPrivilege 2528 TiWorker.exe Token: SeRestorePrivilege 2528 TiWorker.exe Token: SeSecurityPrivilege 2528 TiWorker.exe Token: SeBackupPrivilege 2528 TiWorker.exe Token: SeRestorePrivilege 2528 TiWorker.exe Token: SeSecurityPrivilege 2528 TiWorker.exe Token: SeBackupPrivilege 2528 TiWorker.exe Token: SeRestorePrivilege 2528 TiWorker.exe Token: SeSecurityPrivilege 2528 TiWorker.exe Token: SeBackupPrivilege 2528 TiWorker.exe Token: SeRestorePrivilege 2528 TiWorker.exe Token: SeSecurityPrivilege 2528 TiWorker.exe Token: SeBackupPrivilege 2528 TiWorker.exe Token: SeRestorePrivilege 2528 TiWorker.exe Token: SeSecurityPrivilege 2528 TiWorker.exe Token: SeBackupPrivilege 2528 TiWorker.exe Token: SeRestorePrivilege 2528 TiWorker.exe Token: SeSecurityPrivilege 2528 TiWorker.exe Token: SeBackupPrivilege 2528 TiWorker.exe Token: SeRestorePrivilege 2528 TiWorker.exe Token: SeSecurityPrivilege 2528 TiWorker.exe Token: SeBackupPrivilege 2528 TiWorker.exe Token: SeRestorePrivilege 2528 TiWorker.exe Token: SeSecurityPrivilege 2528 TiWorker.exe Token: SeBackupPrivilege 2528 TiWorker.exe Token: SeRestorePrivilege 2528 TiWorker.exe Token: SeSecurityPrivilege 2528 TiWorker.exe Token: SeBackupPrivilege 2528 TiWorker.exe Token: SeRestorePrivilege 2528 TiWorker.exe Token: SeSecurityPrivilege 2528 TiWorker.exe Token: SeBackupPrivilege 2528 TiWorker.exe Token: SeRestorePrivilege 2528 TiWorker.exe Token: SeSecurityPrivilege 2528 TiWorker.exe Token: SeBackupPrivilege 2528 TiWorker.exe Token: SeRestorePrivilege 2528 TiWorker.exe Token: SeSecurityPrivilege 2528 TiWorker.exe Token: SeBackupPrivilege 2528 TiWorker.exe Token: SeRestorePrivilege 2528 TiWorker.exe Token: SeSecurityPrivilege 2528 TiWorker.exe Token: SeBackupPrivilege 2528 TiWorker.exe Token: SeRestorePrivilege 2528 TiWorker.exe Token: SeSecurityPrivilege 2528 TiWorker.exe Token: SeBackupPrivilege 2528 TiWorker.exe Token: SeRestorePrivilege 2528 TiWorker.exe Token: SeSecurityPrivilege 2528 TiWorker.exe Token: SeBackupPrivilege 2528 TiWorker.exe Token: SeRestorePrivilege 2528 TiWorker.exe Token: SeSecurityPrivilege 2528 TiWorker.exe Token: SeBackupPrivilege 2528 TiWorker.exe - Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 408 wrote to memory of 1304 408 5f1dd004b2375fca086229c889ce79f753a3bd89bccc71e3ad225268334ab397.exe 82 PID 408 wrote to memory of 1304 408 5f1dd004b2375fca086229c889ce79f753a3bd89bccc71e3ad225268334ab397.exe 82 PID 408 wrote to memory of 1304 408 5f1dd004b2375fca086229c889ce79f753a3bd89bccc71e3ad225268334ab397.exe 82
Processes
-
C:\Users\Admin\AppData\Local\Temp\5f1dd004b2375fca086229c889ce79f753a3bd89bccc71e3ad225268334ab397.exe"C:\Users\Admin\AppData\Local\Temp\5f1dd004b2375fca086229c889ce79f753a3bd89bccc71e3ad225268334ab397.exe"1⤵
- Suspicious use of WriteProcessMemory
PID:408 -
C:\Users\Admin\AppData\Roaming\Install\Host.exe"C:\Users\Admin\AppData\Roaming\Install\Host.exe"2⤵
- Executes dropped EXE
- Adds Run key to start application
PID:1304
-
-
C:\Windows\system32\svchost.exeC:\Windows\system32\svchost.exe -k netsvcs -p -s wuauserv1⤵
- Drops file in Windows directory
- Suspicious use of AdjustPrivilegeToken
PID:992
-
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:2528