Analysis Overview
SHA256
0902f1d84a1c4ae0bd2c0dbb029240487332655a0d7ea5106013b7a2590b519b
Threat Level: Known bad
The file SeroXenBoost.exe was found to be: Known bad.
Malicious Activity Summary
Silverrat family
SilverRat
Sets file to hidden
Checks computer location settings
Unsigned PE
Enumerates physical storage devices
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Views/modifies file attributes
Suspicious behavior: EnumeratesProcesses
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2025-02-23 16:59
Signatures
Silverrat family
Unsigned PE
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral1
Detonation Overview
Submitted
2025-02-23 16:59
Reported
2025-02-23 17:00
Platform
win7-20250207-en
Max time kernel
2s
Max time network
4s
Command Line
Signatures
SilverRat
Silverrat family
Sets file to hidden
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\System32\attrib.exe | N/A |
| N/A | N/A | C:\Windows\System32\attrib.exe | N/A |
Enumerates physical storage devices
Suspicious behavior: EnumeratesProcesses
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\SeroXenBoost.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\SeroXenBoost.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\SeroXenBoost.exe | N/A |
Suspicious use of AdjustPrivilegeToken
| Description | Indicator | Process | Target |
| Token: SeDebugPrivilege | N/A | C:\Users\Admin\AppData\Local\Temp\SeroXenBoost.exe | N/A |
Suspicious use of WriteProcessMemory
| Description | Indicator | Process | Target |
| PID 1280 wrote to memory of 2232 | N/A | C:\Users\Admin\AppData\Local\Temp\SeroXenBoost.exe | C:\Windows\System32\attrib.exe |
| PID 1280 wrote to memory of 2232 | N/A | C:\Users\Admin\AppData\Local\Temp\SeroXenBoost.exe | C:\Windows\System32\attrib.exe |
| PID 1280 wrote to memory of 2232 | N/A | C:\Users\Admin\AppData\Local\Temp\SeroXenBoost.exe | C:\Windows\System32\attrib.exe |
| PID 1280 wrote to memory of 2532 | N/A | C:\Users\Admin\AppData\Local\Temp\SeroXenBoost.exe | C:\Windows\System32\attrib.exe |
| PID 1280 wrote to memory of 2532 | N/A | C:\Users\Admin\AppData\Local\Temp\SeroXenBoost.exe | C:\Windows\System32\attrib.exe |
| PID 1280 wrote to memory of 2532 | N/A | C:\Users\Admin\AppData\Local\Temp\SeroXenBoost.exe | C:\Windows\System32\attrib.exe |
Views/modifies file attributes
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\System32\attrib.exe | N/A |
| N/A | N/A | C:\Windows\System32\attrib.exe | N/A |
Processes
C:\Users\Admin\AppData\Local\Temp\SeroXenBoost.exe
"C:\Users\Admin\AppData\Local\Temp\SeroXenBoost.exe"
C:\Windows\System32\attrib.exe
"C:\Windows\System32\attrib.exe" +s +h "C:\Users\Admin\AppData\Roaming\Windows"
C:\Windows\System32\attrib.exe
"C:\Windows\System32\attrib.exe" +s +h "C:\Users\Admin\AppData\Roaming\Windows\$77xdwd.dll.exe"
Network
Files
memory/1280-0-0x000007FEF5F43000-0x000007FEF5F44000-memory.dmp
memory/1280-1-0x000000013FFE0000-0x000000013FFF0000-memory.dmp
memory/1280-2-0x000007FEF5F40000-0x000007FEF692C000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2025-02-23 16:59
Reported
2025-02-23 17:00
Platform
win10v2004-20250217-en
Max time kernel
16s
Max time network
23s
Command Line
Signatures
SilverRat
Silverrat family
Sets file to hidden
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\System32\attrib.exe | N/A |
| N/A | N/A | C:\Windows\System32\attrib.exe | N/A |
Checks computer location settings
| Description | Indicator | Process | Target |
| Key value queried | \REGISTRY\USER\S-1-5-21-22591836-1183090055-1220658180-1000\Control Panel\International\Geo\Nation | C:\Users\Admin\AppData\Local\Temp\SeroXenBoost.exe | N/A |
Enumerates physical storage devices
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
| Description | Indicator | Process | Target |
| Token: SeDebugPrivilege | N/A | C:\Users\Admin\AppData\Local\Temp\SeroXenBoost.exe | N/A |
Suspicious use of WriteProcessMemory
| Description | Indicator | Process | Target |
| PID 2952 wrote to memory of 316 | N/A | C:\Users\Admin\AppData\Local\Temp\SeroXenBoost.exe | C:\Windows\System32\attrib.exe |
| PID 2952 wrote to memory of 316 | N/A | C:\Users\Admin\AppData\Local\Temp\SeroXenBoost.exe | C:\Windows\System32\attrib.exe |
| PID 2952 wrote to memory of 4948 | N/A | C:\Users\Admin\AppData\Local\Temp\SeroXenBoost.exe | C:\Windows\System32\attrib.exe |
| PID 2952 wrote to memory of 4948 | N/A | C:\Users\Admin\AppData\Local\Temp\SeroXenBoost.exe | C:\Windows\System32\attrib.exe |
Views/modifies file attributes
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\System32\attrib.exe | N/A |
| N/A | N/A | C:\Windows\System32\attrib.exe | N/A |
Processes
C:\Users\Admin\AppData\Local\Temp\SeroXenBoost.exe
"C:\Users\Admin\AppData\Local\Temp\SeroXenBoost.exe"
C:\Windows\System32\attrib.exe
"C:\Windows\System32\attrib.exe" +s +h "C:\Users\Admin\AppData\Roaming\Windows"
C:\Windows\System32\attrib.exe
"C:\Windows\System32\attrib.exe" +s +h "C:\Users\Admin\AppData\Roaming\Windows\$77xdwd.dll.exe"
Network
Files
memory/2952-0-0x00007FFBDE523000-0x00007FFBDE525000-memory.dmp
memory/2952-1-0x0000000000B20000-0x0000000000B30000-memory.dmp
memory/2952-2-0x00007FFBDE520000-0x00007FFBDEFE1000-memory.dmp
memory/2952-3-0x00007FFBDE523000-0x00007FFBDE525000-memory.dmp
memory/2952-4-0x00007FFBDE520000-0x00007FFBDEFE1000-memory.dmp