Analysis Overview
SHA256
5e04dd5a4c3b80ee85c1e42749fea1aebbec5ed8feda9cfdc50150e24ed003b5
Threat Level: Known bad
The file 5e04dd5a4c3b80ee85c1e42749fea1aebbec5ed8feda9cfdc50150e24ed003b5 was found to be: Known bad.
Malicious Activity Summary
NetWire RAT payload
Netwire family
Suspicious use of NtCreateProcessExOtherParentProcess
Drops file in Windows directory
Program crash
Suspicious behavior: EnumeratesProcesses
Suspicious use of WriteProcessMemory
Checks processor information in registry
Enumerates system info in registry
Suspicious behavior: GetForegroundWindowSpam
Suspicious use of AdjustPrivilegeToken
MITRE ATT&CK
Enterprise Matrix V6
Analysis: static1
Detonation Overview
Reported
2022-02-17 02:55
Signatures
NetWire RAT payload
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Netwire family
Analysis: behavioral1
Detonation Overview
Submitted
2022-02-17 02:55
Reported
2022-02-17 03:11
Platform
win7-en-20211208
Max time kernel
117s
Max time network
131s
Command Line
Signatures
Program crash
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\WerFault.exe | C:\Users\Admin\AppData\Local\Temp\5e04dd5a4c3b80ee85c1e42749fea1aebbec5ed8feda9cfdc50150e24ed003b5.exe |
Suspicious behavior: EnumeratesProcesses
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\WerFault.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\WerFault.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\WerFault.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\WerFault.exe | N/A |
Suspicious behavior: GetForegroundWindowSpam
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\WerFault.exe | N/A |
Suspicious use of AdjustPrivilegeToken
| Description | Indicator | Process | Target |
| Token: SeDebugPrivilege | N/A | C:\Windows\SysWOW64\WerFault.exe | N/A |
Suspicious use of WriteProcessMemory
| Description | Indicator | Process | Target |
| PID 1912 wrote to memory of 864 | N/A | C:\Users\Admin\AppData\Local\Temp\5e04dd5a4c3b80ee85c1e42749fea1aebbec5ed8feda9cfdc50150e24ed003b5.exe | C:\Windows\SysWOW64\WerFault.exe |
| PID 1912 wrote to memory of 864 | N/A | C:\Users\Admin\AppData\Local\Temp\5e04dd5a4c3b80ee85c1e42749fea1aebbec5ed8feda9cfdc50150e24ed003b5.exe | C:\Windows\SysWOW64\WerFault.exe |
| PID 1912 wrote to memory of 864 | N/A | C:\Users\Admin\AppData\Local\Temp\5e04dd5a4c3b80ee85c1e42749fea1aebbec5ed8feda9cfdc50150e24ed003b5.exe | C:\Windows\SysWOW64\WerFault.exe |
| PID 1912 wrote to memory of 864 | N/A | C:\Users\Admin\AppData\Local\Temp\5e04dd5a4c3b80ee85c1e42749fea1aebbec5ed8feda9cfdc50150e24ed003b5.exe | C:\Windows\SysWOW64\WerFault.exe |
Processes
C:\Users\Admin\AppData\Local\Temp\5e04dd5a4c3b80ee85c1e42749fea1aebbec5ed8feda9cfdc50150e24ed003b5.exe
"C:\Users\Admin\AppData\Local\Temp\5e04dd5a4c3b80ee85c1e42749fea1aebbec5ed8feda9cfdc50150e24ed003b5.exe"
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 1912 -s 140
Network
Files
memory/1912-54-0x0000000075761000-0x0000000075763000-memory.dmp
memory/864-56-0x0000000000200000-0x0000000000201000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2022-02-17 02:55
Reported
2022-02-17 03:11
Platform
win10v2004-en-20220113
Max time kernel
125s
Max time network
171s
Command Line
Signatures
Suspicious use of NtCreateProcessExOtherParentProcess
| Description | Indicator | Process | Target |
| PID 1352 created 4592 | N/A | C:\Windows\SysWOW64\WerFault.exe | C:\Users\Admin\AppData\Local\Temp\5e04dd5a4c3b80ee85c1e42749fea1aebbec5ed8feda9cfdc50150e24ed003b5.exe |
Drops file in Windows directory
| Description | Indicator | Process | Target |
| File opened for modification | C:\Windows\Logs\CBS\CBS.log | C:\Windows\winsxs\amd64_microsoft-windows-servicingstack_31bf3856ad364e35_10.0.19041.1220_none_7e21bc567c7ed16b\TiWorker.exe | N/A |
| File opened for modification | C:\Windows\WinSxS\pending.xml | C:\Windows\winsxs\amd64_microsoft-windows-servicingstack_31bf3856ad364e35_10.0.19041.1220_none_7e21bc567c7ed16b\TiWorker.exe | N/A |
| File opened for modification | C:\Windows\WindowsUpdate.log | C:\Windows\system32\svchost.exe | N/A |
| File opened for modification | C:\Windows\SoftwareDistribution\DataStore\Logs\edb.chk | C:\Windows\system32\svchost.exe | N/A |
| File opened for modification | C:\Windows\SoftwareDistribution\DataStore\Logs\edb.log | C:\Windows\system32\svchost.exe | N/A |
| File opened for modification | C:\Windows\SoftwareDistribution\DataStore\DataStore.edb | C:\Windows\system32\svchost.exe | N/A |
| File opened for modification | C:\Windows\SoftwareDistribution\DataStore\DataStore.jfm | C:\Windows\system32\svchost.exe | N/A |
| File opened for modification | C:\Windows\SoftwareDistribution\ReportingEvents.log | C:\Windows\system32\svchost.exe | N/A |
Program crash
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\WerFault.exe | C:\Users\Admin\AppData\Local\Temp\5e04dd5a4c3b80ee85c1e42749fea1aebbec5ed8feda9cfdc50150e24ed003b5.exe |
Checks processor information in registry
| Description | Indicator | Process | Target |
| Key opened | \REGISTRY\MACHINE\Hardware\Description\System\CentralProcessor\0 | C:\Windows\SysWOW64\WerFault.exe | N/A |
| Key value queried | \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz | C:\Windows\SysWOW64\WerFault.exe | N/A |
| Key value queried | \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString | C:\Windows\SysWOW64\WerFault.exe | N/A |
Enumerates system info in registry
| Description | Indicator | Process | Target |
| Key opened | \REGISTRY\MACHINE\Hardware\Description\System\BIOS | C:\Windows\SysWOW64\WerFault.exe | N/A |
| Key value queried | \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemSKU | C:\Windows\SysWOW64\WerFault.exe | N/A |
Suspicious behavior: EnumeratesProcesses
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\WerFault.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\WerFault.exe | N/A |
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
| Description | Indicator | Process | Target |
| PID 1352 wrote to memory of 4592 | N/A | C:\Windows\SysWOW64\WerFault.exe | C:\Users\Admin\AppData\Local\Temp\5e04dd5a4c3b80ee85c1e42749fea1aebbec5ed8feda9cfdc50150e24ed003b5.exe |
| PID 1352 wrote to memory of 4592 | N/A | C:\Windows\SysWOW64\WerFault.exe | C:\Users\Admin\AppData\Local\Temp\5e04dd5a4c3b80ee85c1e42749fea1aebbec5ed8feda9cfdc50150e24ed003b5.exe |
Processes
C:\Users\Admin\AppData\Local\Temp\5e04dd5a4c3b80ee85c1e42749fea1aebbec5ed8feda9cfdc50150e24ed003b5.exe
"C:\Users\Admin\AppData\Local\Temp\5e04dd5a4c3b80ee85c1e42749fea1aebbec5ed8feda9cfdc50150e24ed003b5.exe"
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 436 -p 4592 -ip 4592
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 4592 -s 360
C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k netsvcs -p -s wuauserv
C:\Windows\winsxs\amd64_microsoft-windows-servicingstack_31bf3856ad364e35_10.0.19041.1220_none_7e21bc567c7ed16b\TiWorker.exe
C:\Windows\winsxs\amd64_microsoft-windows-servicingstack_31bf3856ad364e35_10.0.19041.1220_none_7e21bc567c7ed16b\TiWorker.exe -Embedding
Network
Files
memory/4476-131-0x00000220C5A20000-0x00000220C5A30000-memory.dmp
memory/4476-130-0x00000220C5380000-0x00000220C5390000-memory.dmp
memory/4476-132-0x00000220C8100000-0x00000220C8104000-memory.dmp