Analysis Overview
SHA256
30e6ba1aa37273355fa7450df0ef28200209345eb54593e3cbf32847f719cc77
Threat Level: Known bad
The file systembc_21660286308.zip was found to be: Known bad.
Malicious Activity Summary
Systembc family
Drops file in Windows directory
Unsigned PE
System Location Discovery: System Language Discovery
Suspicious use of WriteProcessMemory
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2025-03-07 04:55
Signatures
Systembc family
Unsigned PE
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral1
Detonation Overview
Submitted
2025-03-07 04:55
Reported
2025-03-07 05:04
Platform
win7-20240903-en
Max time kernel
441s
Max time network
441s
Command Line
Signatures
Drops file in Windows directory
| Description | Indicator | Process | Target |
| File created | C:\Windows\Tasks\wow64.job | C:\Users\Admin\AppData\Local\Temp\1aef94e54c1af9a8d0c4fa4cbdc602c025a2b10a097e87184ceb89e124d26e6a.exe | N/A |
| File opened for modification | C:\Windows\Tasks\wow64.job | C:\Users\Admin\AppData\Local\Temp\1aef94e54c1af9a8d0c4fa4cbdc602c025a2b10a097e87184ceb89e124d26e6a.exe | N/A |
System Location Discovery: System Language Discovery
| Description | Indicator | Process | Target |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Users\Admin\AppData\Local\Temp\1aef94e54c1af9a8d0c4fa4cbdc602c025a2b10a097e87184ceb89e124d26e6a.exe | N/A |
Suspicious use of WriteProcessMemory
| Description | Indicator | Process | Target |
| PID 2692 wrote to memory of 2556 | N/A | C:\Windows\system32\taskeng.exe | C:\Users\Admin\AppData\Local\Temp\1aef94e54c1af9a8d0c4fa4cbdc602c025a2b10a097e87184ceb89e124d26e6a.exe |
| PID 2692 wrote to memory of 2556 | N/A | C:\Windows\system32\taskeng.exe | C:\Users\Admin\AppData\Local\Temp\1aef94e54c1af9a8d0c4fa4cbdc602c025a2b10a097e87184ceb89e124d26e6a.exe |
| PID 2692 wrote to memory of 2556 | N/A | C:\Windows\system32\taskeng.exe | C:\Users\Admin\AppData\Local\Temp\1aef94e54c1af9a8d0c4fa4cbdc602c025a2b10a097e87184ceb89e124d26e6a.exe |
| PID 2692 wrote to memory of 2556 | N/A | C:\Windows\system32\taskeng.exe | C:\Users\Admin\AppData\Local\Temp\1aef94e54c1af9a8d0c4fa4cbdc602c025a2b10a097e87184ceb89e124d26e6a.exe |
Processes
C:\Users\Admin\AppData\Local\Temp\1aef94e54c1af9a8d0c4fa4cbdc602c025a2b10a097e87184ceb89e124d26e6a.exe
"C:\Users\Admin\AppData\Local\Temp\1aef94e54c1af9a8d0c4fa4cbdc602c025a2b10a097e87184ceb89e124d26e6a.exe"
C:\Windows\system32\taskeng.exe
taskeng.exe {B2935C73-754F-43C1-B779-113511AC6F3D} S-1-5-18:NT AUTHORITY\System:Service:
C:\Users\Admin\AppData\Local\Temp\1aef94e54c1af9a8d0c4fa4cbdc602c025a2b10a097e87184ceb89e124d26e6a.exe
C:\Users\Admin\AppData\Local\Temp\1aef94e54c1af9a8d0c4fa4cbdc602c025a2b10a097e87184ceb89e124d26e6a.exe start
Network
| Country | Destination | Domain | Proto |
| DE | 88.198.147.80:4174 | tcp | |
| DE | 78.47.64.46:4174 | tcp | |
| DE | 88.198.147.80:4174 | tcp | |
| DE | 78.47.64.46:4174 | tcp | |
| DE | 88.198.147.80:4174 | tcp | |
| DE | 78.47.64.46:4174 | tcp | |
| DE | 88.198.147.80:4174 | tcp | |
| DE | 78.47.64.46:4174 | tcp | |
| DE | 88.198.147.80:4174 | tcp | |
| DE | 78.47.64.46:4174 | tcp | |
| DE | 88.198.147.80:4174 | tcp | |
| DE | 78.47.64.46:4174 | tcp | |
| DE | 88.198.147.80:4174 | tcp | |
| DE | 78.47.64.46:4174 | tcp | |
| DE | 88.198.147.80:4174 | tcp | |
| DE | 78.47.64.46:4174 | tcp | |
| DE | 88.198.147.80:4174 | tcp | |
| DE | 78.47.64.46:4174 | tcp | |
| DE | 88.198.147.80:4174 | tcp | |
| DE | 78.47.64.46:4174 | tcp | |
| DE | 88.198.147.80:4174 | tcp | |
| DE | 78.47.64.46:4174 | tcp | |
| DE | 88.198.147.80:4174 | tcp | |
| DE | 78.47.64.46:4174 | tcp | |
| DE | 88.198.147.80:4174 | tcp | |
| DE | 78.47.64.46:4174 | tcp | |
| DE | 88.198.147.80:4174 | tcp | |
| DE | 78.47.64.46:4174 | tcp | |
| DE | 88.198.147.80:4174 | tcp | |
| DE | 78.47.64.46:4174 | tcp | |
| DE | 88.198.147.80:4174 | tcp | |
| DE | 78.47.64.46:4174 | tcp | |
| DE | 88.198.147.80:4174 | tcp | |
| DE | 78.47.64.46:4174 | tcp | |
| DE | 88.198.147.80:4174 | tcp | |
| DE | 78.47.64.46:4174 | tcp | |
| DE | 88.198.147.80:4174 | tcp | |
| DE | 78.47.64.46:4174 | tcp | |
| DE | 88.198.147.80:4174 | tcp | |
| DE | 78.47.64.46:4174 | tcp | |
| DE | 88.198.147.80:4174 | tcp | |
| DE | 78.47.64.46:4174 | tcp | |
| DE | 88.198.147.80:4174 | tcp | |
| DE | 78.47.64.46:4174 | tcp |
Files
Analysis: behavioral2
Detonation Overview
Submitted
2025-03-07 04:55
Reported
2025-03-07 05:04
Platform
win10v2004-20250217-en
Max time kernel
441s
Max time network
445s
Command Line
Signatures
Drops file in Windows directory
| Description | Indicator | Process | Target |
| File created | C:\Windows\Tasks\wow64.job | C:\Users\Admin\AppData\Local\Temp\1aef94e54c1af9a8d0c4fa4cbdc602c025a2b10a097e87184ceb89e124d26e6a.exe | N/A |
| File opened for modification | C:\Windows\Tasks\wow64.job | C:\Users\Admin\AppData\Local\Temp\1aef94e54c1af9a8d0c4fa4cbdc602c025a2b10a097e87184ceb89e124d26e6a.exe | N/A |
System Location Discovery: System Language Discovery
| Description | Indicator | Process | Target |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Users\Admin\AppData\Local\Temp\1aef94e54c1af9a8d0c4fa4cbdc602c025a2b10a097e87184ceb89e124d26e6a.exe | N/A |
Processes
C:\Users\Admin\AppData\Local\Temp\1aef94e54c1af9a8d0c4fa4cbdc602c025a2b10a097e87184ceb89e124d26e6a.exe
"C:\Users\Admin\AppData\Local\Temp\1aef94e54c1af9a8d0c4fa4cbdc602c025a2b10a097e87184ceb89e124d26e6a.exe"
C:\Users\Admin\AppData\Local\Temp\1aef94e54c1af9a8d0c4fa4cbdc602c025a2b10a097e87184ceb89e124d26e6a.exe
C:\Users\Admin\AppData\Local\Temp\1aef94e54c1af9a8d0c4fa4cbdc602c025a2b10a097e87184ceb89e124d26e6a.exe start
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | g.bing.com | udp |
| US | 150.171.27.10:443 | g.bing.com | tcp |
| DE | 88.198.147.80:4174 | tcp | |
| DE | 78.47.64.46:4174 | tcp | |
| DE | 88.198.147.80:4174 | tcp | |
| DE | 78.47.64.46:4174 | tcp | |
| DE | 88.198.147.80:4174 | tcp | |
| DE | 78.47.64.46:4174 | tcp | |
| DE | 88.198.147.80:4174 | tcp | |
| DE | 78.47.64.46:4174 | tcp | |
| DE | 88.198.147.80:4174 | tcp | |
| DE | 78.47.64.46:4174 | tcp | |
| US | 150.171.27.10:443 | g.bing.com | tcp |
| US | 150.171.27.10:443 | g.bing.com | tcp |
| US | 150.171.27.10:443 | g.bing.com | tcp |
| US | 150.171.27.10:443 | g.bing.com | tcp |
| DE | 88.198.147.80:4174 | tcp | |
| DE | 78.47.64.46:4174 | tcp | |
| US | 8.8.8.8:53 | tse1.mm.bing.net | udp |
| US | 150.171.28.10:443 | tse1.mm.bing.net | tcp |
| US | 150.171.28.10:443 | tse1.mm.bing.net | tcp |
| US | 150.171.28.10:443 | tse1.mm.bing.net | tcp |
| US | 150.171.28.10:443 | tse1.mm.bing.net | tcp |
| US | 150.171.28.10:443 | tse1.mm.bing.net | tcp |
| DE | 88.198.147.80:4174 | tcp | |
| DE | 78.47.64.46:4174 | tcp | |
| DE | 88.198.147.80:4174 | tcp | |
| DE | 78.47.64.46:4174 | tcp | |
| DE | 88.198.147.80:4174 | tcp | |
| DE | 78.47.64.46:4174 | tcp | |
| DE | 88.198.147.80:4174 | tcp | |
| DE | 78.47.64.46:4174 | tcp | |
| DE | 88.198.147.80:4174 | tcp | |
| DE | 78.47.64.46:4174 | tcp | |
| DE | 88.198.147.80:4174 | tcp | |
| DE | 78.47.64.46:4174 | tcp | |
| DE | 88.198.147.80:4174 | tcp | |
| DE | 78.47.64.46:4174 | tcp | |
| DE | 88.198.147.80:4174 | tcp | |
| DE | 78.47.64.46:4174 | tcp | |
| DE | 88.198.147.80:4174 | tcp | |
| DE | 78.47.64.46:4174 | tcp | |
| DE | 88.198.147.80:4174 | tcp | |
| DE | 78.47.64.46:4174 | tcp | |
| DE | 88.198.147.80:4174 | tcp | |
| DE | 78.47.64.46:4174 | tcp | |
| DE | 88.198.147.80:4174 | tcp | |
| DE | 78.47.64.46:4174 | tcp | |
| DE | 88.198.147.80:4174 | tcp | |
| DE | 78.47.64.46:4174 | tcp | |
| DE | 88.198.147.80:4174 | tcp | |
| DE | 78.47.64.46:4174 | tcp | |
| DE | 88.198.147.80:4174 | tcp | |
| DE | 78.47.64.46:4174 | tcp | |
| DE | 88.198.147.80:4174 | tcp | |
| DE | 78.47.64.46:4174 | tcp |