Analysis Overview
SHA256
f10495057c282936b7d00e5bed9c2eb0efdcef1e23ef60ec6be4566fb2626be3
Threat Level: Known bad
The file tmp was found to be: Known bad.
Malicious Activity Summary
FatalRat
Fatal Rat payload
Executes dropped EXE
Drops file in Windows directory
Unsigned PE
Checks processor information in registry
Suspicious use of WriteProcessMemory
Modifies data under HKEY_USERS
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
MITRE ATT&CK
Enterprise Matrix V6
Analysis: static1
Detonation Overview
Reported
2023-07-07 21:10
Signatures
Unsigned PE
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral1
Detonation Overview
Submitted
2023-07-07 21:10
Reported
2023-07-07 21:13
Platform
win7-20230705-en
Max time kernel
31s
Max time network
142s
Command Line
Signatures
FatalRat
Fatal Rat payload
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Executes dropped EXE
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\Jklmno.exe | N/A |
| N/A | N/A | C:\Windows\Jklmno.exe | N/A |
Drops file in Windows directory
| Description | Indicator | Process | Target |
| File created | C:\Windows\Jklmno.exe | C:\Users\Admin\AppData\Local\Temp\tmp.exe | N/A |
| File opened for modification | C:\Windows\Jklmno.exe | C:\Users\Admin\AppData\Local\Temp\tmp.exe | N/A |
| File opened for modification | C:\Windows\Jklmno.exe | C:\Windows\Jklmno.exe | N/A |
| File created | C:\Windows\Jklmno.exe | C:\Windows\Jklmno.exe | N/A |
Checks processor information in registry
| Description | Indicator | Process | Target |
| Key opened | \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0 | C:\Windows\Jklmno.exe | N/A |
| Key value queried | \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz | C:\Windows\Jklmno.exe | N/A |
Modifies data under HKEY_USERS
| Description | Indicator | Process | Target |
| Key created | \REGISTRY\USER\.DEFAULT\Software\Microsoft | C:\Windows\Jklmno.exe | N/A |
| Key created | \REGISTRY\USER\.DEFAULT\Software\Microsoft\ActiveMovie | C:\Windows\Jklmno.exe | N/A |
| Set value (int) | \REGISTRY\USER\.DEFAULT\Software\Microsoft\ActiveMovie\devenum\Version = "7" | C:\Windows\Jklmno.exe | N/A |
| Key created | \REGISTRY\USER\.DEFAULT\SYSTEM\CurrentControlSet\Services\Jklmno Qrstuvwx | C:\Windows\Jklmno.exe | N/A |
| Key created | \REGISTRY\USER\.DEFAULT\SYSTEM | C:\Windows\Jklmno.exe | N/A |
| Key created | \REGISTRY\USER\.DEFAULT\SYSTEM\CurrentControlSet | C:\Windows\Jklmno.exe | N/A |
| Set value (str) | \REGISTRY\USER\.DEFAULT\SYSTEM\CurrentControlSet\Services\Jklmno Qrstuvwx\Group = "Fatal" | C:\Windows\Jklmno.exe | N/A |
| Key created | \REGISTRY\USER\.DEFAULT\Software\Microsoft\ActiveMovie\devenum | C:\Windows\Jklmno.exe | N/A |
| Key created | \REGISTRY\USER\.DEFAULT\SYSTEM\CurrentControlSet\Services | C:\Windows\Jklmno.exe | N/A |
| Set value (str) | \REGISTRY\USER\.DEFAULT\SYSTEM\CurrentControlSet\Services\Jklmno Qrstuvwx\InstallTime = "2023-07-07 21:11" | C:\Windows\Jklmno.exe | N/A |
| Key created | \REGISTRY\USER\.DEFAULT\Software | C:\Windows\Jklmno.exe | N/A |
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
| Description | Indicator | Process | Target |
| Token: SeDebugPrivilege | N/A | C:\Users\Admin\AppData\Local\Temp\tmp.exe | N/A |
| Token: SeDebugPrivilege | N/A | C:\Windows\Jklmno.exe | N/A |
| Token: SeDebugPrivilege | N/A | C:\Windows\Jklmno.exe | N/A |
Suspicious use of WriteProcessMemory
| Description | Indicator | Process | Target |
| PID 2332 wrote to memory of 2908 | N/A | C:\Windows\Jklmno.exe | C:\Windows\Jklmno.exe |
| PID 2332 wrote to memory of 2908 | N/A | C:\Windows\Jklmno.exe | C:\Windows\Jklmno.exe |
| PID 2332 wrote to memory of 2908 | N/A | C:\Windows\Jklmno.exe | C:\Windows\Jklmno.exe |
| PID 2332 wrote to memory of 2908 | N/A | C:\Windows\Jklmno.exe | C:\Windows\Jklmno.exe |
Processes
C:\Users\Admin\AppData\Local\Temp\tmp.exe
"C:\Users\Admin\AppData\Local\Temp\tmp.exe"
C:\Windows\Jklmno.exe
C:\Windows\Jklmno.exe
C:\Windows\Jklmno.exe
C:\Windows\Jklmno.exe Win7
Network
| Country | Destination | Domain | Proto |
| CN | 120.79.43.38:8085 | tcp |
Files
memory/768-54-0x0000000010000000-0x000000001001C000-memory.dmp
C:\Windows\Jklmno.exe
| MD5 | 667aca3b0011aebd3ac1eb04a929e79b |
| SHA1 | 7489d2101aaa8057fdfe8c22cca54df999f9bd7b |
| SHA256 | f10495057c282936b7d00e5bed9c2eb0efdcef1e23ef60ec6be4566fb2626be3 |
| SHA512 | ddd335b9af141352409b1a94ca0020a581ba19b5cfa3edb9daad0805ce51d8a4d12ce6f5a4e0742db9cab7f92ae67f83b3a51f88dc018821aa0f8edf5e636b45 |
C:\Windows\Jklmno.exe
| MD5 | 667aca3b0011aebd3ac1eb04a929e79b |
| SHA1 | 7489d2101aaa8057fdfe8c22cca54df999f9bd7b |
| SHA256 | f10495057c282936b7d00e5bed9c2eb0efdcef1e23ef60ec6be4566fb2626be3 |
| SHA512 | ddd335b9af141352409b1a94ca0020a581ba19b5cfa3edb9daad0805ce51d8a4d12ce6f5a4e0742db9cab7f92ae67f83b3a51f88dc018821aa0f8edf5e636b45 |
C:\Windows\Jklmno.exe
| MD5 | 667aca3b0011aebd3ac1eb04a929e79b |
| SHA1 | 7489d2101aaa8057fdfe8c22cca54df999f9bd7b |
| SHA256 | f10495057c282936b7d00e5bed9c2eb0efdcef1e23ef60ec6be4566fb2626be3 |
| SHA512 | ddd335b9af141352409b1a94ca0020a581ba19b5cfa3edb9daad0805ce51d8a4d12ce6f5a4e0742db9cab7f92ae67f83b3a51f88dc018821aa0f8edf5e636b45 |
Analysis: behavioral2
Detonation Overview
Submitted
2023-07-07 21:10
Reported
2023-07-07 21:13
Platform
win10v2004-20230703-en
Max time kernel
143s
Max time network
146s
Command Line
Signatures
FatalRat
Fatal Rat payload
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
Executes dropped EXE
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\Jklmno.exe | N/A |
| N/A | N/A | C:\Windows\Jklmno.exe | N/A |
Drops file in Windows directory
| Description | Indicator | Process | Target |
| File created | C:\Windows\Jklmno.exe | C:\Users\Admin\AppData\Local\Temp\tmp.exe | N/A |
| File opened for modification | C:\Windows\Jklmno.exe | C:\Users\Admin\AppData\Local\Temp\tmp.exe | N/A |
| File opened for modification | C:\Windows\Jklmno.exe | C:\Windows\Jklmno.exe | N/A |
| File created | C:\Windows\Jklmno.exe | C:\Windows\Jklmno.exe | N/A |
Checks processor information in registry
| Description | Indicator | Process | Target |
| Key opened | \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0 | C:\Windows\Jklmno.exe | N/A |
| Key value queried | \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz | C:\Windows\Jklmno.exe | N/A |
Modifies data under HKEY_USERS
| Description | Indicator | Process | Target |
| Set value (int) | \REGISTRY\USER\.DEFAULT\Software\Microsoft\ActiveMovie\devenum\Version = "7" | C:\Windows\Jklmno.exe | N/A |
| Key created | \REGISTRY\USER\.DEFAULT\SYSTEM\CurrentControlSet\Services\Jklmno Qrstuvwx | C:\Windows\Jklmno.exe | N/A |
| Key created | \REGISTRY\USER\.DEFAULT\SYSTEM | C:\Windows\Jklmno.exe | N/A |
| Set value (str) | \REGISTRY\USER\.DEFAULT\System\CurrentControlSet\Services\Jklmno Qrstuvwx\Group = "Fatal" | C:\Windows\Jklmno.exe | N/A |
| Key created | \REGISTRY\USER\.DEFAULT\Software\Microsoft | C:\Windows\Jklmno.exe | N/A |
| Key created | \REGISTRY\USER\.DEFAULT\Software\Microsoft\ActiveMovie | C:\Windows\Jklmno.exe | N/A |
| Key created | \REGISTRY\USER\.DEFAULT\Software | C:\Windows\Jklmno.exe | N/A |
| Key created | \REGISTRY\USER\.DEFAULT\System\CurrentControlSet | C:\Windows\Jklmno.exe | N/A |
| Key created | \REGISTRY\USER\.DEFAULT\System\CurrentControlSet\Services | C:\Windows\Jklmno.exe | N/A |
| Key created | \REGISTRY\USER\.DEFAULT\System\CurrentControlSet\Services\Jklmno Qrstuvwx | C:\Windows\Jklmno.exe | N/A |
| Set value (str) | \REGISTRY\USER\.DEFAULT\System\CurrentControlSet\Services\Jklmno Qrstuvwx\InstallTime = "2023-07-07 21:11" | C:\Windows\Jklmno.exe | N/A |
| Key created | \REGISTRY\USER\.DEFAULT\Software\Microsoft\ActiveMovie\devenum | C:\Windows\Jklmno.exe | N/A |
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
| Description | Indicator | Process | Target |
| Token: SeDebugPrivilege | N/A | C:\Users\Admin\AppData\Local\Temp\tmp.exe | N/A |
| Token: SeDebugPrivilege | N/A | C:\Windows\Jklmno.exe | N/A |
| Token: SeDebugPrivilege | N/A | C:\Windows\Jklmno.exe | N/A |
Suspicious use of WriteProcessMemory
| Description | Indicator | Process | Target |
| PID 1624 wrote to memory of 4120 | N/A | C:\Windows\Jklmno.exe | C:\Windows\Jklmno.exe |
| PID 1624 wrote to memory of 4120 | N/A | C:\Windows\Jklmno.exe | C:\Windows\Jklmno.exe |
| PID 1624 wrote to memory of 4120 | N/A | C:\Windows\Jklmno.exe | C:\Windows\Jklmno.exe |
Processes
C:\Users\Admin\AppData\Local\Temp\tmp.exe
"C:\Users\Admin\AppData\Local\Temp\tmp.exe"
C:\Windows\Jklmno.exe
C:\Windows\Jklmno.exe
C:\Windows\Jklmno.exe
C:\Windows\Jklmno.exe Win7
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | 68.159.190.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 8.3.197.209.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 171.39.242.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 26.165.165.52.in-addr.arpa | udp |
| CN | 120.79.43.38:8085 | tcp | |
| US | 8.8.8.8:53 | 38.43.79.120.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 63.13.109.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 10.173.189.20.in-addr.arpa | udp |
Files
memory/4696-133-0x0000000010000000-0x000000001001C000-memory.dmp
C:\Windows\Jklmno.exe
| MD5 | 667aca3b0011aebd3ac1eb04a929e79b |
| SHA1 | 7489d2101aaa8057fdfe8c22cca54df999f9bd7b |
| SHA256 | f10495057c282936b7d00e5bed9c2eb0efdcef1e23ef60ec6be4566fb2626be3 |
| SHA512 | ddd335b9af141352409b1a94ca0020a581ba19b5cfa3edb9daad0805ce51d8a4d12ce6f5a4e0742db9cab7f92ae67f83b3a51f88dc018821aa0f8edf5e636b45 |
C:\Windows\Jklmno.exe
| MD5 | 667aca3b0011aebd3ac1eb04a929e79b |
| SHA1 | 7489d2101aaa8057fdfe8c22cca54df999f9bd7b |
| SHA256 | f10495057c282936b7d00e5bed9c2eb0efdcef1e23ef60ec6be4566fb2626be3 |
| SHA512 | ddd335b9af141352409b1a94ca0020a581ba19b5cfa3edb9daad0805ce51d8a4d12ce6f5a4e0742db9cab7f92ae67f83b3a51f88dc018821aa0f8edf5e636b45 |
memory/1624-141-0x0000000010000000-0x000000001001C000-memory.dmp
C:\Windows\Jklmno.exe
| MD5 | 667aca3b0011aebd3ac1eb04a929e79b |
| SHA1 | 7489d2101aaa8057fdfe8c22cca54df999f9bd7b |
| SHA256 | f10495057c282936b7d00e5bed9c2eb0efdcef1e23ef60ec6be4566fb2626be3 |
| SHA512 | ddd335b9af141352409b1a94ca0020a581ba19b5cfa3edb9daad0805ce51d8a4d12ce6f5a4e0742db9cab7f92ae67f83b3a51f88dc018821aa0f8edf5e636b45 |