Analysis Overview
SHA256
b47d1007a87efbe774c6ad82c9256efaa77d84e4b2a2b2da004f535b54d8383a
Threat Level: Known bad
The file b47d1007a87efbe774c6ad82c9256efaa77d84e4b2a2b2da004f535b54d8383a was found to be: Known bad.
Malicious Activity Summary
FatalRat
Fatal Rat payload
Checks computer location settings
Executes dropped EXE
Loads dropped DLL
Adds Run key to start application
Unsigned PE
Enumerates physical storage devices
Checks processor information in registry
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2023-09-07 01:58
Signatures
Unsigned PE
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral1
Detonation Overview
Submitted
2023-09-07 01:58
Reported
2023-09-07 02:00
Platform
win7-20230831-en
Max time kernel
119s
Max time network
148s
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:\Users\Admin\AppData\Local\b47d1007a87efbe774c6ad82c9256efaa77d84e4b2a2b2da004f535b54d8383a.exe | N/A |
Loads dropped DLL
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\b47d1007a87efbe774c6ad82c9256efaa77d84e4b2a2b2da004f535b54d8383a.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\b47d1007a87efbe774c6ad82c9256efaa77d84e4b2a2b2da004f535b54d8383a.exe | N/A |
Adds Run key to start application
| Description | Indicator | Process | Target |
| Set value (str) | \REGISTRY\USER\S-1-5-21-3750544865-3773649541-1858556521-1000\Software\Microsoft\Windows\CurrentVersion\Run\SVP7 = "C:\\Users\\Admin\\AppData\\Local\\b47d1007a87efbe774c6ad82c9256efaa77d84e4b2a2b2da004f535b54d8383a.exe" | C:\Users\Admin\AppData\Local\Temp\b47d1007a87efbe774c6ad82c9256efaa77d84e4b2a2b2da004f535b54d8383a.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\b47d1007a87efbe774c6ad82c9256efaa77d84e4b2a2b2da004f535b54d8383a.exe | N/A |
| Key value queried | \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz | C:\Users\Admin\AppData\Local\b47d1007a87efbe774c6ad82c9256efaa77d84e4b2a2b2da004f535b54d8383a.exe | N/A |
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
| Description | Indicator | Process | Target |
| Token: SeDebugPrivilege | N/A | C:\Users\Admin\AppData\Local\Temp\b47d1007a87efbe774c6ad82c9256efaa77d84e4b2a2b2da004f535b54d8383a.exe | N/A |
| Token: SeDebugPrivilege | N/A | C:\Users\Admin\AppData\Local\b47d1007a87efbe774c6ad82c9256efaa77d84e4b2a2b2da004f535b54d8383a.exe | N/A |
Suspicious use of WriteProcessMemory
Processes
C:\Users\Admin\AppData\Local\Temp\b47d1007a87efbe774c6ad82c9256efaa77d84e4b2a2b2da004f535b54d8383a.exe
"C:\Users\Admin\AppData\Local\Temp\b47d1007a87efbe774c6ad82c9256efaa77d84e4b2a2b2da004f535b54d8383a.exe"
C:\Users\Admin\AppData\Local\b47d1007a87efbe774c6ad82c9256efaa77d84e4b2a2b2da004f535b54d8383a.exe
"C:\Users\Admin\AppData\Local\b47d1007a87efbe774c6ad82c9256efaa77d84e4b2a2b2da004f535b54d8383a.exe"
Network
| Country | Destination | Domain | Proto |
| HK | 202.95.14.6:8081 | tcp |
Files
memory/2052-0-0x0000000000400000-0x000000000050E000-memory.dmp
memory/2052-1-0x0000000010000000-0x000000001002A000-memory.dmp
\Users\Admin\AppData\Local\b47d1007a87efbe774c6ad82c9256efaa77d84e4b2a2b2da004f535b54d8383a.exe
| MD5 | 43e2c5d84d195e2004510498cb8ee486 |
| SHA1 | 48c01178e96659ab6a0c917483d3746914ca1731 |
| SHA256 | b47d1007a87efbe774c6ad82c9256efaa77d84e4b2a2b2da004f535b54d8383a |
| SHA512 | e962c92eb7ec5b9a8363869d5ebd082b22ec587498947da04233039b62e37b8edaaff31a32c7e9859c4a6fb405149aaadd659f125080b80f200748610f862a15 |
\Users\Admin\AppData\Local\b47d1007a87efbe774c6ad82c9256efaa77d84e4b2a2b2da004f535b54d8383a.exe
| MD5 | 43e2c5d84d195e2004510498cb8ee486 |
| SHA1 | 48c01178e96659ab6a0c917483d3746914ca1731 |
| SHA256 | b47d1007a87efbe774c6ad82c9256efaa77d84e4b2a2b2da004f535b54d8383a |
| SHA512 | e962c92eb7ec5b9a8363869d5ebd082b22ec587498947da04233039b62e37b8edaaff31a32c7e9859c4a6fb405149aaadd659f125080b80f200748610f862a15 |
C:\Users\Admin\AppData\Local\b47d1007a87efbe774c6ad82c9256efaa77d84e4b2a2b2da004f535b54d8383a.exe
| MD5 | 43e2c5d84d195e2004510498cb8ee486 |
| SHA1 | 48c01178e96659ab6a0c917483d3746914ca1731 |
| SHA256 | b47d1007a87efbe774c6ad82c9256efaa77d84e4b2a2b2da004f535b54d8383a |
| SHA512 | e962c92eb7ec5b9a8363869d5ebd082b22ec587498947da04233039b62e37b8edaaff31a32c7e9859c4a6fb405149aaadd659f125080b80f200748610f862a15 |
C:\Users\Admin\AppData\Local\b47d1007a87efbe774c6ad82c9256efaa77d84e4b2a2b2da004f535b54d8383a.exe
| MD5 | 43e2c5d84d195e2004510498cb8ee486 |
| SHA1 | 48c01178e96659ab6a0c917483d3746914ca1731 |
| SHA256 | b47d1007a87efbe774c6ad82c9256efaa77d84e4b2a2b2da004f535b54d8383a |
| SHA512 | e962c92eb7ec5b9a8363869d5ebd082b22ec587498947da04233039b62e37b8edaaff31a32c7e9859c4a6fb405149aaadd659f125080b80f200748610f862a15 |
memory/1356-17-0x0000000010000000-0x000000001002A000-memory.dmp
C:\Users\Admin\AppData\Local\b47d1007a87efbe774c6ad82c9256efaa77d84e4b2a2b2da004f535b54d8383a.exe
| MD5 | 43e2c5d84d195e2004510498cb8ee486 |
| SHA1 | 48c01178e96659ab6a0c917483d3746914ca1731 |
| SHA256 | b47d1007a87efbe774c6ad82c9256efaa77d84e4b2a2b2da004f535b54d8383a |
| SHA512 | e962c92eb7ec5b9a8363869d5ebd082b22ec587498947da04233039b62e37b8edaaff31a32c7e9859c4a6fb405149aaadd659f125080b80f200748610f862a15 |
Analysis: behavioral2
Detonation Overview
Submitted
2023-09-07 01:58
Reported
2023-09-07 02:00
Platform
win10v2004-20230831-en
Max time kernel
142s
Max time network
154s
Command Line
Signatures
FatalRat
Fatal Rat payload
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Checks computer location settings
| Description | Indicator | Process | Target |
| Key value queried | \REGISTRY\USER\S-1-5-21-2474409663-2236862430-1045297337-1000\Control Panel\International\Geo\Nation | C:\Users\Admin\AppData\Local\Temp\b47d1007a87efbe774c6ad82c9256efaa77d84e4b2a2b2da004f535b54d8383a.exe | N/A |
Executes dropped EXE
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\b47d1007a87efbe774c6ad82c9256efaa77d84e4b2a2b2da004f535b54d8383a.exe | N/A |
Adds Run key to start application
| Description | Indicator | Process | Target |
| Set value (str) | \REGISTRY\USER\S-1-5-21-2474409663-2236862430-1045297337-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\SVP7 = "C:\\Users\\Admin\\AppData\\Local\\b47d1007a87efbe774c6ad82c9256efaa77d84e4b2a2b2da004f535b54d8383a.exe" | C:\Users\Admin\AppData\Local\Temp\b47d1007a87efbe774c6ad82c9256efaa77d84e4b2a2b2da004f535b54d8383a.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\b47d1007a87efbe774c6ad82c9256efaa77d84e4b2a2b2da004f535b54d8383a.exe | N/A |
| Key value queried | \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz | C:\Users\Admin\AppData\Local\b47d1007a87efbe774c6ad82c9256efaa77d84e4b2a2b2da004f535b54d8383a.exe | N/A |
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
| Description | Indicator | Process | Target |
| Token: SeDebugPrivilege | N/A | C:\Users\Admin\AppData\Local\Temp\b47d1007a87efbe774c6ad82c9256efaa77d84e4b2a2b2da004f535b54d8383a.exe | N/A |
| Token: SeDebugPrivilege | N/A | C:\Users\Admin\AppData\Local\b47d1007a87efbe774c6ad82c9256efaa77d84e4b2a2b2da004f535b54d8383a.exe | N/A |
Suspicious use of WriteProcessMemory
| Description | Indicator | Process | Target |
| PID 2900 wrote to memory of 2468 | N/A | C:\Users\Admin\AppData\Local\Temp\b47d1007a87efbe774c6ad82c9256efaa77d84e4b2a2b2da004f535b54d8383a.exe | C:\Users\Admin\AppData\Local\b47d1007a87efbe774c6ad82c9256efaa77d84e4b2a2b2da004f535b54d8383a.exe |
| PID 2900 wrote to memory of 2468 | N/A | C:\Users\Admin\AppData\Local\Temp\b47d1007a87efbe774c6ad82c9256efaa77d84e4b2a2b2da004f535b54d8383a.exe | C:\Users\Admin\AppData\Local\b47d1007a87efbe774c6ad82c9256efaa77d84e4b2a2b2da004f535b54d8383a.exe |
| PID 2900 wrote to memory of 2468 | N/A | C:\Users\Admin\AppData\Local\Temp\b47d1007a87efbe774c6ad82c9256efaa77d84e4b2a2b2da004f535b54d8383a.exe | C:\Users\Admin\AppData\Local\b47d1007a87efbe774c6ad82c9256efaa77d84e4b2a2b2da004f535b54d8383a.exe |
Processes
C:\Users\Admin\AppData\Local\Temp\b47d1007a87efbe774c6ad82c9256efaa77d84e4b2a2b2da004f535b54d8383a.exe
"C:\Users\Admin\AppData\Local\Temp\b47d1007a87efbe774c6ad82c9256efaa77d84e4b2a2b2da004f535b54d8383a.exe"
C:\Users\Admin\AppData\Local\b47d1007a87efbe774c6ad82c9256efaa77d84e4b2a2b2da004f535b54d8383a.exe
"C:\Users\Admin\AppData\Local\b47d1007a87efbe774c6ad82c9256efaa77d84e4b2a2b2da004f535b54d8383a.exe"
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | 20.160.190.20.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 |
| HK | 202.95.14.6:8081 | tcp | |
| US | 8.8.8.8:53 | g.bing.com | udp |
| US | 204.79.197.200:443 | g.bing.com | tcp |
| US | 8.8.8.8:53 | 41.110.16.96.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 43.58.199.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 6.14.95.202.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 86.23.85.13.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 198.187.3.20.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 | 152.141.79.40.in-addr.arpa | udp |
Files
memory/2900-0-0x0000000000400000-0x000000000050E000-memory.dmp
memory/2900-1-0x0000000010000000-0x000000001002A000-memory.dmp
C:\Users\Admin\AppData\Local\b47d1007a87efbe774c6ad82c9256efaa77d84e4b2a2b2da004f535b54d8383a.exe
| MD5 | 43e2c5d84d195e2004510498cb8ee486 |
| SHA1 | 48c01178e96659ab6a0c917483d3746914ca1731 |
| SHA256 | b47d1007a87efbe774c6ad82c9256efaa77d84e4b2a2b2da004f535b54d8383a |
| SHA512 | e962c92eb7ec5b9a8363869d5ebd082b22ec587498947da04233039b62e37b8edaaff31a32c7e9859c4a6fb405149aaadd659f125080b80f200748610f862a15 |
C:\Users\Admin\AppData\Local\b47d1007a87efbe774c6ad82c9256efaa77d84e4b2a2b2da004f535b54d8383a.exe
| MD5 | 43e2c5d84d195e2004510498cb8ee486 |
| SHA1 | 48c01178e96659ab6a0c917483d3746914ca1731 |
| SHA256 | b47d1007a87efbe774c6ad82c9256efaa77d84e4b2a2b2da004f535b54d8383a |
| SHA512 | e962c92eb7ec5b9a8363869d5ebd082b22ec587498947da04233039b62e37b8edaaff31a32c7e9859c4a6fb405149aaadd659f125080b80f200748610f862a15 |
C:\Users\Admin\AppData\Local\b47d1007a87efbe774c6ad82c9256efaa77d84e4b2a2b2da004f535b54d8383a.exe
| MD5 | 43e2c5d84d195e2004510498cb8ee486 |
| SHA1 | 48c01178e96659ab6a0c917483d3746914ca1731 |
| SHA256 | b47d1007a87efbe774c6ad82c9256efaa77d84e4b2a2b2da004f535b54d8383a |
| SHA512 | e962c92eb7ec5b9a8363869d5ebd082b22ec587498947da04233039b62e37b8edaaff31a32c7e9859c4a6fb405149aaadd659f125080b80f200748610f862a15 |