Analysis Overview
SHA256
2d68ea954ba7ff7da8b6f8d9003943d9cb314493d5c8e0b04146c2bb67884903
Threat Level: Known bad
The file 2d68ea954ba7ff7da8b6f8d9003943d9cb314493d5c8e0b04146c2bb67884903 was found to be: Known bad.
Malicious Activity Summary
FatalRat
Fatal Rat payload
Executes dropped EXE
Drops file in Windows directory
Unsigned PE
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Modifies data under HKEY_USERS
Suspicious behavior: EnumeratesProcesses
MITRE ATT&CK
Analysis: static1
Detonation Overview
Reported
2023-08-22 23:34
Signatures
Unsigned PE
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral1
Detonation Overview
Submitted
2023-08-22 23:34
Reported
2023-08-22 23:37
Platform
win7-20230712-en
Max time kernel
120s
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\Vwxyab.exe | N/A |
| N/A | N/A | C:\Windows\Vwxyab.exe | N/A |
Drops file in Windows directory
| Description | Indicator | Process | Target |
| File created | C:\Windows\Vwxyab.exe | C:\Users\Admin\AppData\Local\Temp\2d68ea954ba7ff7da8b6f8d9003943d9cb314493d5c8e0b04146c2bb67884903.exe | N/A |
| File opened for modification | C:\Windows\Vwxyab.exe | C:\Users\Admin\AppData\Local\Temp\2d68ea954ba7ff7da8b6f8d9003943d9cb314493d5c8e0b04146c2bb67884903.exe | N/A |
| File opened for modification | C:\Windows\Vwxyab.exe | C:\Windows\Vwxyab.exe | N/A |
| File created | C:\Windows\Vwxyab.exe | C:\Windows\Vwxyab.exe | N/A |
Modifies data under HKEY_USERS
| Description | Indicator | Process | Target |
| Key created | \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies | C:\Windows\Vwxyab.exe | N/A |
| Key created | \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System | C:\Windows\Vwxyab.exe | N/A |
| Key created | \REGISTRY\USER\.DEFAULT\SYSTEM\CurrentControlSet\Services | C:\Windows\Vwxyab.exe | N/A |
| Set value (str) | \REGISTRY\USER\.DEFAULT\SYSTEM\CurrentControlSet\Services\Vwxyab Defghijk\InstallTime = "2023-08-22 23:35" | C:\Windows\Vwxyab.exe | N/A |
| Set value (int) | \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\DisableLockWorkstation = "1" | C:\Windows\Vwxyab.exe | N/A |
| Set value (int) | \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\DisableLockWorkstation = "1" | C:\Windows\Vwxyab.exe | N/A |
| Key created | \REGISTRY\USER\.DEFAULT\SYSTEM\CurrentControlSet\Services\Vwxyab Defghijk | C:\Windows\Vwxyab.exe | N/A |
| Set value (str) | \REGISTRY\USER\.DEFAULT\SYSTEM\CurrentControlSet\Services\Vwxyab Defghijk\Group = "Fatal" | C:\Windows\Vwxyab.exe | N/A |
| Set value (int) | \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\ActiveMovie\devenum\Version = "7" | C:\Windows\Vwxyab.exe | N/A |
| Key created | \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft | C:\Windows\Vwxyab.exe | N/A |
| Key created | \REGISTRY\USER\.DEFAULT\Software | C:\Windows\Vwxyab.exe | N/A |
| Key created | \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft | C:\Windows\Vwxyab.exe | N/A |
| Key created | \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows | C:\Windows\Vwxyab.exe | N/A |
| Key created | \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion | C:\Windows\Vwxyab.exe | N/A |
| Key created | \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Policies\System | C:\Windows\Vwxyab.exe | N/A |
| Key created | \REGISTRY\USER\.DEFAULT\SYSTEM\CurrentControlSet | C:\Windows\Vwxyab.exe | N/A |
| Key created | \REGISTRY\USER\.DEFAULT\Software | C:\Windows\Vwxyab.exe | N/A |
| Key created | \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\ActiveMovie | C:\Windows\Vwxyab.exe | N/A |
| Key created | \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Policies\System | C:\Windows\Vwxyab.exe | N/A |
| Key created | \REGISTRY\USER\.DEFAULT\SYSTEM | C:\Windows\Vwxyab.exe | N/A |
| Key created | \REGISTRY\USER\.DEFAULT\Software\Microsoft\ActiveMovie\devenum | C:\Windows\Vwxyab.exe | N/A |
| Key created | \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\ActiveMovie\devenum | C:\Windows\Vwxyab.exe | N/A |
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
| Description | Indicator | Process | Target |
| Token: SeDebugPrivilege | N/A | C:\Users\Admin\AppData\Local\Temp\2d68ea954ba7ff7da8b6f8d9003943d9cb314493d5c8e0b04146c2bb67884903.exe | N/A |
| Token: SeDebugPrivilege | N/A | C:\Windows\Vwxyab.exe | N/A |
| Token: SeDebugPrivilege | N/A | C:\Windows\Vwxyab.exe | N/A |
Suspicious use of WriteProcessMemory
| Description | Indicator | Process | Target |
| PID 2528 wrote to memory of 3008 | N/A | C:\Windows\Vwxyab.exe | C:\Windows\Vwxyab.exe |
| PID 2528 wrote to memory of 3008 | N/A | C:\Windows\Vwxyab.exe | C:\Windows\Vwxyab.exe |
| PID 2528 wrote to memory of 3008 | N/A | C:\Windows\Vwxyab.exe | C:\Windows\Vwxyab.exe |
| PID 2528 wrote to memory of 3008 | N/A | C:\Windows\Vwxyab.exe | C:\Windows\Vwxyab.exe |
Processes
C:\Users\Admin\AppData\Local\Temp\2d68ea954ba7ff7da8b6f8d9003943d9cb314493d5c8e0b04146c2bb67884903.exe
"C:\Users\Admin\AppData\Local\Temp\2d68ea954ba7ff7da8b6f8d9003943d9cb314493d5c8e0b04146c2bb67884903.exe"
C:\Windows\Vwxyab.exe
C:\Windows\Vwxyab.exe
C:\Windows\Vwxyab.exe
C:\Windows\Vwxyab.exe Win7
Network
| Country | Destination | Domain | Proto |
| HK | 216.83.38.229:55415 | tcp |
Files
memory/2316-54-0x0000000010000000-0x000000001002A000-memory.dmp
C:\Windows\Vwxyab.exe
| MD5 | 748153a93ec63ecbbb5dbd4a4c57c34f |
| SHA1 | 41161e254b1112f02be8efc10be58dd2b284a013 |
| SHA256 | 2d68ea954ba7ff7da8b6f8d9003943d9cb314493d5c8e0b04146c2bb67884903 |
| SHA512 | af43c1c6f77415253a9fd8288a8944d347bd342aa62ef7fdcdbb48ca24eab86f012aa932d2d9360e0a88a397bf45ef65f5e0de1607bcd5d76ed55f63d88e49fe |
C:\Windows\Vwxyab.exe
| MD5 | 748153a93ec63ecbbb5dbd4a4c57c34f |
| SHA1 | 41161e254b1112f02be8efc10be58dd2b284a013 |
| SHA256 | 2d68ea954ba7ff7da8b6f8d9003943d9cb314493d5c8e0b04146c2bb67884903 |
| SHA512 | af43c1c6f77415253a9fd8288a8944d347bd342aa62ef7fdcdbb48ca24eab86f012aa932d2d9360e0a88a397bf45ef65f5e0de1607bcd5d76ed55f63d88e49fe |
C:\Windows\Vwxyab.exe
| MD5 | 748153a93ec63ecbbb5dbd4a4c57c34f |
| SHA1 | 41161e254b1112f02be8efc10be58dd2b284a013 |
| SHA256 | 2d68ea954ba7ff7da8b6f8d9003943d9cb314493d5c8e0b04146c2bb67884903 |
| SHA512 | af43c1c6f77415253a9fd8288a8944d347bd342aa62ef7fdcdbb48ca24eab86f012aa932d2d9360e0a88a397bf45ef65f5e0de1607bcd5d76ed55f63d88e49fe |
Analysis: behavioral2
Detonation Overview
Submitted
2023-08-22 23:34
Reported
2023-08-22 23:37
Platform
win10v2004-20230703-en
Max time kernel
125s
Max time network
149s
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\Vwxyab.exe | N/A |
| N/A | N/A | C:\Windows\Vwxyab.exe | N/A |
Drops file in Windows directory
| Description | Indicator | Process | Target |
| File opened for modification | C:\Windows\Vwxyab.exe | C:\Users\Admin\AppData\Local\Temp\2d68ea954ba7ff7da8b6f8d9003943d9cb314493d5c8e0b04146c2bb67884903.exe | N/A |
| File opened for modification | C:\Windows\Vwxyab.exe | C:\Windows\Vwxyab.exe | N/A |
| File created | C:\Windows\Vwxyab.exe | C:\Windows\Vwxyab.exe | N/A |
| File created | C:\Windows\Vwxyab.exe | C:\Users\Admin\AppData\Local\Temp\2d68ea954ba7ff7da8b6f8d9003943d9cb314493d5c8e0b04146c2bb67884903.exe | N/A |
Modifies data under HKEY_USERS
| Description | Indicator | Process | Target |
| Key created | \REGISTRY\USER\.DEFAULT\System\CurrentControlSet\Services | C:\Windows\Vwxyab.exe | N/A |
| Set value (str) | \REGISTRY\USER\.DEFAULT\System\CurrentControlSet\Services\Vwxyab Defghijk\Group = "Fatal" | C:\Windows\Vwxyab.exe | N/A |
| Key created | \REGISTRY\USER\.DEFAULT\Software\Microsoft\ActiveMovie\devenum | C:\Windows\Vwxyab.exe | N/A |
| Key created | \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Policies\System | C:\Windows\Vwxyab.exe | N/A |
| Key created | \REGISTRY\USER\.DEFAULT\Software | C:\Windows\Vwxyab.exe | N/A |
| Key created | \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows | C:\Windows\Vwxyab.exe | N/A |
| Key created | \REGISTRY\USER\.DEFAULT\Software\Microsoft\ActiveMovie | C:\Windows\Vwxyab.exe | N/A |
| Key created | \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion | C:\Windows\Vwxyab.exe | N/A |
| Key created | \REGISTRY\USER\.DEFAULT\System\CurrentControlSet | C:\Windows\Vwxyab.exe | N/A |
| Set value (str) | \REGISTRY\USER\.DEFAULT\System\CurrentControlSet\Services\Vwxyab Defghijk\InstallTime = "2023-08-22 23:35" | C:\Windows\Vwxyab.exe | N/A |
| Key created | \REGISTRY\USER\.DEFAULT\SYSTEM | C:\Windows\Vwxyab.exe | N/A |
| Key created | \REGISTRY\USER\.DEFAULT\Software\Microsoft | C:\Windows\Vwxyab.exe | N/A |
| Key created | \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Policies | C:\Windows\Vwxyab.exe | N/A |
| Key created | \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Policies\System | C:\Windows\Vwxyab.exe | N/A |
| Set value (int) | \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Policies\System\DisableLockWorkstation = "1" | C:\Windows\Vwxyab.exe | N/A |
| Key created | \REGISTRY\USER\.DEFAULT\System\CurrentControlSet\Services\Vwxyab Defghijk | C:\Windows\Vwxyab.exe | N/A |
| Key created | \REGISTRY\USER\.DEFAULT\Software | C:\Windows\Vwxyab.exe | N/A |
| Set value (int) | \REGISTRY\USER\.DEFAULT\Software\Microsoft\ActiveMovie\devenum\Version = "7" | C:\Windows\Vwxyab.exe | N/A |
| Key created | \REGISTRY\USER\.DEFAULT\Software\Microsoft | C:\Windows\Vwxyab.exe | N/A |
| Set value (int) | \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Policies\System\DisableLockWorkstation = "1" | C:\Windows\Vwxyab.exe | N/A |
| Key created | \REGISTRY\USER\.DEFAULT\SYSTEM\CurrentControlSet\Services\Vwxyab Defghijk | C:\Windows\Vwxyab.exe | N/A |
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
| Description | Indicator | Process | Target |
| Token: SeDebugPrivilege | N/A | C:\Users\Admin\AppData\Local\Temp\2d68ea954ba7ff7da8b6f8d9003943d9cb314493d5c8e0b04146c2bb67884903.exe | N/A |
| Token: SeDebugPrivilege | N/A | C:\Windows\Vwxyab.exe | N/A |
| Token: SeDebugPrivilege | N/A | C:\Windows\Vwxyab.exe | N/A |
Suspicious use of WriteProcessMemory
| Description | Indicator | Process | Target |
| PID 416 wrote to memory of 1388 | N/A | C:\Windows\Vwxyab.exe | C:\Windows\Vwxyab.exe |
| PID 416 wrote to memory of 1388 | N/A | C:\Windows\Vwxyab.exe | C:\Windows\Vwxyab.exe |
| PID 416 wrote to memory of 1388 | N/A | C:\Windows\Vwxyab.exe | C:\Windows\Vwxyab.exe |
Processes
C:\Users\Admin\AppData\Local\Temp\2d68ea954ba7ff7da8b6f8d9003943d9cb314493d5c8e0b04146c2bb67884903.exe
"C:\Users\Admin\AppData\Local\Temp\2d68ea954ba7ff7da8b6f8d9003943d9cb314493d5c8e0b04146c2bb67884903.exe"
C:\Windows\Vwxyab.exe
C:\Windows\Vwxyab.exe
C:\Windows\Vwxyab.exe
C:\Windows\Vwxyab.exe Win7
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | 2.136.104.51.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 126.138.241.8.in-addr.arpa | udp |
| HK | 216.83.38.229:55415 | tcp | |
| US | 8.8.8.8:53 | 229.38.83.216.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 136.32.126.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 95.221.229.192.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 59.128.231.4.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 26.165.165.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 198.187.3.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 86.8.109.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 90.16.208.104.in-addr.arpa | udp |
Files
memory/2820-136-0x0000000010000000-0x000000001002A000-memory.dmp
C:\Windows\Vwxyab.exe
| MD5 | 748153a93ec63ecbbb5dbd4a4c57c34f |
| SHA1 | 41161e254b1112f02be8efc10be58dd2b284a013 |
| SHA256 | 2d68ea954ba7ff7da8b6f8d9003943d9cb314493d5c8e0b04146c2bb67884903 |
| SHA512 | af43c1c6f77415253a9fd8288a8944d347bd342aa62ef7fdcdbb48ca24eab86f012aa932d2d9360e0a88a397bf45ef65f5e0de1607bcd5d76ed55f63d88e49fe |
C:\Windows\Vwxyab.exe
| MD5 | 748153a93ec63ecbbb5dbd4a4c57c34f |
| SHA1 | 41161e254b1112f02be8efc10be58dd2b284a013 |
| SHA256 | 2d68ea954ba7ff7da8b6f8d9003943d9cb314493d5c8e0b04146c2bb67884903 |
| SHA512 | af43c1c6f77415253a9fd8288a8944d347bd342aa62ef7fdcdbb48ca24eab86f012aa932d2d9360e0a88a397bf45ef65f5e0de1607bcd5d76ed55f63d88e49fe |
memory/416-145-0x0000000010000000-0x000000001002A000-memory.dmp
C:\Windows\Vwxyab.exe
| MD5 | 748153a93ec63ecbbb5dbd4a4c57c34f |
| SHA1 | 41161e254b1112f02be8efc10be58dd2b284a013 |
| SHA256 | 2d68ea954ba7ff7da8b6f8d9003943d9cb314493d5c8e0b04146c2bb67884903 |
| SHA512 | af43c1c6f77415253a9fd8288a8944d347bd342aa62ef7fdcdbb48ca24eab86f012aa932d2d9360e0a88a397bf45ef65f5e0de1607bcd5d76ed55f63d88e49fe |