Analysis Overview
SHA256
b185b64ead43a72fe79d5c17e2c59abc0333c42e12798eac5e283a7ca08694ad
Threat Level: Known bad
The file b185b64ead43a72fe79d5c17e2c59abc0333c42e12798eac5e283a7ca08694ad was found to be: Known bad.
Malicious Activity Summary
FatalRat
Fatal Rat payload
Executes dropped EXE
Checks computer location settings
UPX packed file
Loads dropped DLL
Adds Run key to start application
Enumerates physical storage devices
Unsigned PE
Checks processor information in registry
Suspicious use of AdjustPrivilegeToken
Suspicious behavior: EnumeratesProcesses
Suspicious use of WriteProcessMemory
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2023-09-06 23:50
Signatures
UPX packed file
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Unsigned PE
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral1
Detonation Overview
Submitted
2023-09-06 23:50
Reported
2023-09-06 23:53
Platform
win7-20230831-en
Max time kernel
141s
Max time network
143s
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 |
| 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:\Users\Admin\AppData\Local\b185b64ead43a72fe79d5c17e2c59abc0333c42e12798eac5e283a7ca08694ad.exe | N/A |
Loads dropped DLL
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\b185b64ead43a72fe79d5c17e2c59abc0333c42e12798eac5e283a7ca08694ad.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\b185b64ead43a72fe79d5c17e2c59abc0333c42e12798eac5e283a7ca08694ad.exe | N/A |
UPX packed file
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
Adds Run key to start application
| Description | Indicator | Process | Target |
| Set value (str) | \REGISTRY\USER\S-1-5-21-86725733-3001458681-3405935542-1000\Software\Microsoft\Windows\CurrentVersion\Run\SVP7 = "C:\\Users\\Admin\\AppData\\Local\\b185b64ead43a72fe79d5c17e2c59abc0333c42e12798eac5e283a7ca08694ad.exe" | C:\Users\Admin\AppData\Local\Temp\b185b64ead43a72fe79d5c17e2c59abc0333c42e12798eac5e283a7ca08694ad.exe | N/A |
Enumerates physical storage devices
Checks processor information in registry
| Description | Indicator | Process | Target |
| Key opened | \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0 | C:\Users\Admin\AppData\Local\b185b64ead43a72fe79d5c17e2c59abc0333c42e12798eac5e283a7ca08694ad.exe | N/A |
| Key value queried | \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz | C:\Users\Admin\AppData\Local\b185b64ead43a72fe79d5c17e2c59abc0333c42e12798eac5e283a7ca08694ad.exe | N/A |
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
| Description | Indicator | Process | Target |
| Token: SeDebugPrivilege | N/A | C:\Users\Admin\AppData\Local\Temp\b185b64ead43a72fe79d5c17e2c59abc0333c42e12798eac5e283a7ca08694ad.exe | N/A |
| Token: SeDebugPrivilege | N/A | C:\Users\Admin\AppData\Local\b185b64ead43a72fe79d5c17e2c59abc0333c42e12798eac5e283a7ca08694ad.exe | N/A |
Suspicious use of WriteProcessMemory
Processes
C:\Users\Admin\AppData\Local\Temp\b185b64ead43a72fe79d5c17e2c59abc0333c42e12798eac5e283a7ca08694ad.exe
"C:\Users\Admin\AppData\Local\Temp\b185b64ead43a72fe79d5c17e2c59abc0333c42e12798eac5e283a7ca08694ad.exe"
C:\Users\Admin\AppData\Local\b185b64ead43a72fe79d5c17e2c59abc0333c42e12798eac5e283a7ca08694ad.exe
"C:\Users\Admin\AppData\Local\b185b64ead43a72fe79d5c17e2c59abc0333c42e12798eac5e283a7ca08694ad.exe"
Network
| Country | Destination | Domain | Proto |
| HK | 202.95.14.6:8081 | tcp |
Files
memory/2956-0-0x0000000000400000-0x0000000000517000-memory.dmp
memory/2956-1-0x0000000010000000-0x000000001002A000-memory.dmp
C:\Users\Admin\AppData\Local\b185b64ead43a72fe79d5c17e2c59abc0333c42e12798eac5e283a7ca08694ad.exe
| MD5 | d4fa2ab258835cca6e64cbb5fa814604 |
| SHA1 | 4ae50d9f13aed652f977e73ca674c483e06c4266 |
| SHA256 | b185b64ead43a72fe79d5c17e2c59abc0333c42e12798eac5e283a7ca08694ad |
| SHA512 | d6086575312888f0c3d1ead25a8ddc14a45ec1e987c0e652664d7c23602af716e378c556d86c2f72f125f1723f31b376c40b6c354f9384d1dcec4ea8a2277bfd |
memory/2956-15-0x0000000002C20000-0x0000000002D37000-memory.dmp
memory/2956-17-0x0000000000400000-0x0000000000517000-memory.dmp
memory/1608-18-0x0000000000400000-0x0000000000517000-memory.dmp
memory/1608-19-0x0000000010000000-0x000000001002A000-memory.dmp
C:\Users\Admin\AppData\Local\b185b64ead43a72fe79d5c17e2c59abc0333c42e12798eac5e283a7ca08694ad.exe
| MD5 | d4fa2ab258835cca6e64cbb5fa814604 |
| SHA1 | 4ae50d9f13aed652f977e73ca674c483e06c4266 |
| SHA256 | b185b64ead43a72fe79d5c17e2c59abc0333c42e12798eac5e283a7ca08694ad |
| SHA512 | d6086575312888f0c3d1ead25a8ddc14a45ec1e987c0e652664d7c23602af716e378c556d86c2f72f125f1723f31b376c40b6c354f9384d1dcec4ea8a2277bfd |
\Users\Admin\AppData\Local\b185b64ead43a72fe79d5c17e2c59abc0333c42e12798eac5e283a7ca08694ad.exe
| MD5 | d4fa2ab258835cca6e64cbb5fa814604 |
| SHA1 | 4ae50d9f13aed652f977e73ca674c483e06c4266 |
| SHA256 | b185b64ead43a72fe79d5c17e2c59abc0333c42e12798eac5e283a7ca08694ad |
| SHA512 | d6086575312888f0c3d1ead25a8ddc14a45ec1e987c0e652664d7c23602af716e378c556d86c2f72f125f1723f31b376c40b6c354f9384d1dcec4ea8a2277bfd |
\Users\Admin\AppData\Local\b185b64ead43a72fe79d5c17e2c59abc0333c42e12798eac5e283a7ca08694ad.exe
| MD5 | d4fa2ab258835cca6e64cbb5fa814604 |
| SHA1 | 4ae50d9f13aed652f977e73ca674c483e06c4266 |
| SHA256 | b185b64ead43a72fe79d5c17e2c59abc0333c42e12798eac5e283a7ca08694ad |
| SHA512 | d6086575312888f0c3d1ead25a8ddc14a45ec1e987c0e652664d7c23602af716e378c556d86c2f72f125f1723f31b376c40b6c354f9384d1dcec4ea8a2277bfd |
C:\Users\Admin\AppData\Local\b185b64ead43a72fe79d5c17e2c59abc0333c42e12798eac5e283a7ca08694ad.exe
| MD5 | d4fa2ab258835cca6e64cbb5fa814604 |
| SHA1 | 4ae50d9f13aed652f977e73ca674c483e06c4266 |
| SHA256 | b185b64ead43a72fe79d5c17e2c59abc0333c42e12798eac5e283a7ca08694ad |
| SHA512 | d6086575312888f0c3d1ead25a8ddc14a45ec1e987c0e652664d7c23602af716e378c556d86c2f72f125f1723f31b376c40b6c354f9384d1dcec4ea8a2277bfd |
memory/1608-25-0x0000000000400000-0x0000000000517000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2023-09-06 23:50
Reported
2023-09-06 23:53
Platform
win10v2004-20230831-en
Max time kernel
147s
Max time network
150s
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 |
| N/A | N/A | N/A | N/A |
Checks computer location settings
| Description | Indicator | Process | Target |
| Key value queried | \REGISTRY\USER\S-1-5-21-1980726966-773384374-2129981223-1000\Control Panel\International\Geo\Nation | C:\Users\Admin\AppData\Local\Temp\b185b64ead43a72fe79d5c17e2c59abc0333c42e12798eac5e283a7ca08694ad.exe | N/A |
Executes dropped EXE
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\b185b64ead43a72fe79d5c17e2c59abc0333c42e12798eac5e283a7ca08694ad.exe | N/A |
UPX packed file
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
Adds Run key to start application
| Description | Indicator | Process | Target |
| Set value (str) | \REGISTRY\USER\S-1-5-21-1980726966-773384374-2129981223-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\SVP7 = "C:\\Users\\Admin\\AppData\\Local\\b185b64ead43a72fe79d5c17e2c59abc0333c42e12798eac5e283a7ca08694ad.exe" | C:\Users\Admin\AppData\Local\Temp\b185b64ead43a72fe79d5c17e2c59abc0333c42e12798eac5e283a7ca08694ad.exe | N/A |
Enumerates physical storage devices
Checks processor information in registry
| Description | Indicator | Process | Target |
| Key opened | \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0 | C:\Users\Admin\AppData\Local\b185b64ead43a72fe79d5c17e2c59abc0333c42e12798eac5e283a7ca08694ad.exe | N/A |
| Key value queried | \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz | C:\Users\Admin\AppData\Local\b185b64ead43a72fe79d5c17e2c59abc0333c42e12798eac5e283a7ca08694ad.exe | N/A |
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
| Description | Indicator | Process | Target |
| Token: SeDebugPrivilege | N/A | C:\Users\Admin\AppData\Local\Temp\b185b64ead43a72fe79d5c17e2c59abc0333c42e12798eac5e283a7ca08694ad.exe | N/A |
| Token: SeDebugPrivilege | N/A | C:\Users\Admin\AppData\Local\b185b64ead43a72fe79d5c17e2c59abc0333c42e12798eac5e283a7ca08694ad.exe | N/A |
Suspicious use of WriteProcessMemory
| Description | Indicator | Process | Target |
| PID 3020 wrote to memory of 1252 | N/A | C:\Users\Admin\AppData\Local\Temp\b185b64ead43a72fe79d5c17e2c59abc0333c42e12798eac5e283a7ca08694ad.exe | C:\Users\Admin\AppData\Local\b185b64ead43a72fe79d5c17e2c59abc0333c42e12798eac5e283a7ca08694ad.exe |
| PID 3020 wrote to memory of 1252 | N/A | C:\Users\Admin\AppData\Local\Temp\b185b64ead43a72fe79d5c17e2c59abc0333c42e12798eac5e283a7ca08694ad.exe | C:\Users\Admin\AppData\Local\b185b64ead43a72fe79d5c17e2c59abc0333c42e12798eac5e283a7ca08694ad.exe |
| PID 3020 wrote to memory of 1252 | N/A | C:\Users\Admin\AppData\Local\Temp\b185b64ead43a72fe79d5c17e2c59abc0333c42e12798eac5e283a7ca08694ad.exe | C:\Users\Admin\AppData\Local\b185b64ead43a72fe79d5c17e2c59abc0333c42e12798eac5e283a7ca08694ad.exe |
Processes
C:\Users\Admin\AppData\Local\Temp\b185b64ead43a72fe79d5c17e2c59abc0333c42e12798eac5e283a7ca08694ad.exe
"C:\Users\Admin\AppData\Local\Temp\b185b64ead43a72fe79d5c17e2c59abc0333c42e12798eac5e283a7ca08694ad.exe"
C:\Users\Admin\AppData\Local\b185b64ead43a72fe79d5c17e2c59abc0333c42e12798eac5e283a7ca08694ad.exe
"C:\Users\Admin\AppData\Local\b185b64ead43a72fe79d5c17e2c59abc0333c42e12798eac5e283a7ca08694ad.exe"
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | 8.8.8.8.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 73.31.126.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 240.221.184.93.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 95.221.229.192.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 241.154.82.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 41.110.16.96.in-addr.arpa | udp |
| HK | 202.95.14.6:8081 | tcp | |
| US | 8.8.8.8:53 | 6.14.95.202.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 |
| US | 8.8.8.8:53 | 8.3.197.209.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 19.229.111.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 254.111.26.67.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 35.197.79.40.in-addr.arpa | udp |
Files
memory/3020-0-0x0000000000400000-0x0000000000517000-memory.dmp
memory/3020-1-0x0000000010000000-0x000000001002A000-memory.dmp
C:\Users\Admin\AppData\Local\b185b64ead43a72fe79d5c17e2c59abc0333c42e12798eac5e283a7ca08694ad.exe
| MD5 | d4fa2ab258835cca6e64cbb5fa814604 |
| SHA1 | 4ae50d9f13aed652f977e73ca674c483e06c4266 |
| SHA256 | b185b64ead43a72fe79d5c17e2c59abc0333c42e12798eac5e283a7ca08694ad |
| SHA512 | d6086575312888f0c3d1ead25a8ddc14a45ec1e987c0e652664d7c23602af716e378c556d86c2f72f125f1723f31b376c40b6c354f9384d1dcec4ea8a2277bfd |
C:\Users\Admin\AppData\Local\b185b64ead43a72fe79d5c17e2c59abc0333c42e12798eac5e283a7ca08694ad.exe
| MD5 | d4fa2ab258835cca6e64cbb5fa814604 |
| SHA1 | 4ae50d9f13aed652f977e73ca674c483e06c4266 |
| SHA256 | b185b64ead43a72fe79d5c17e2c59abc0333c42e12798eac5e283a7ca08694ad |
| SHA512 | d6086575312888f0c3d1ead25a8ddc14a45ec1e987c0e652664d7c23602af716e378c556d86c2f72f125f1723f31b376c40b6c354f9384d1dcec4ea8a2277bfd |
C:\Users\Admin\AppData\Local\b185b64ead43a72fe79d5c17e2c59abc0333c42e12798eac5e283a7ca08694ad.exe
| MD5 | d4fa2ab258835cca6e64cbb5fa814604 |
| SHA1 | 4ae50d9f13aed652f977e73ca674c483e06c4266 |
| SHA256 | b185b64ead43a72fe79d5c17e2c59abc0333c42e12798eac5e283a7ca08694ad |
| SHA512 | d6086575312888f0c3d1ead25a8ddc14a45ec1e987c0e652664d7c23602af716e378c556d86c2f72f125f1723f31b376c40b6c354f9384d1dcec4ea8a2277bfd |
memory/3020-18-0x0000000000400000-0x0000000000517000-memory.dmp
memory/1252-24-0x0000000000400000-0x0000000000517000-memory.dmp