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
Modifies data under HKEY_USERS
Suspicious use of WriteProcessMemory
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
MITRE ATT&CK
Enterprise Matrix V6
Analysis: static1
Detonation Overview
Reported
2023-07-07 21:06
Signatures
Unsigned PE
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral1
Detonation Overview
Submitted
2023-07-07 21:06
Reported
2023-07-07 21:09
Platform
win7-20230703-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 | 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\Microsoft\ActiveMovie\devenum | 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\CurrentControlSet | 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 21:07" | 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 | 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\SOFTWARE\Microsoft | 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 2188 wrote to memory of 2420 | N/A | C:\Windows\Jklmno.exe | C:\Windows\Jklmno.exe |
| PID 2188 wrote to memory of 2420 | N/A | C:\Windows\Jklmno.exe | C:\Windows\Jklmno.exe |
| PID 2188 wrote to memory of 2420 | N/A | C:\Windows\Jklmno.exe | C:\Windows\Jklmno.exe |
| PID 2188 wrote to memory of 2420 | 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/2872-54-0x0000000010000000-0x000000001001C000-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 21:06
Reported
2023-07-07 21:09
Platform
win10v2004-20230703-en
Max time kernel
143s
Max time network
147s
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 | 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\Group = "Fatal" | C:\Windows\Jklmno.exe | N/A |
| Set value (str) | \REGISTRY\USER\.DEFAULT\System\CurrentControlSet\Services\Jklmno Qrstuvwx\InstallTime = "2023-07-07 21:07" | 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\Software | C:\Windows\Jklmno.exe | N/A |
| Key created | \REGISTRY\USER\.DEFAULT\Software\Microsoft | 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\CurrentControlSet | 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\Software\Microsoft\ActiveMovie | 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 3804 wrote to memory of 4376 | N/A | C:\Windows\Jklmno.exe | C:\Windows\Jklmno.exe |
| PID 3804 wrote to memory of 4376 | N/A | C:\Windows\Jklmno.exe | C:\Windows\Jklmno.exe |
| PID 3804 wrote to memory of 4376 | 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 | 74.32.126.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 241.154.82.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 43.58.199.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 198.209.218.23.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 95.221.229.192.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 183.59.114.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 56.126.166.20.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 | 1.208.79.178.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 210.143.182.52.in-addr.arpa | udp |
Files
memory/1100-133-0x0000000010000000-0x000000001001C000-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/3804-141-0x0000000010000000-0x000000001001C000-memory.dmp
C:\Windows\Jklmno.exe
| MD5 | 667aca3b0011aebd3ac1eb04a929e79b |
| SHA1 | 7489d2101aaa8057fdfe8c22cca54df999f9bd7b |
| SHA256 | f10495057c282936b7d00e5bed9c2eb0efdcef1e23ef60ec6be4566fb2626be3 |
| SHA512 | ddd335b9af141352409b1a94ca0020a581ba19b5cfa3edb9daad0805ce51d8a4d12ce6f5a4e0742db9cab7f92ae67f83b3a51f88dc018821aa0f8edf5e636b45 |