Analysis Overview
SHA256
8b5d2c8f5e8c7b68c7517edcdddc3cee55f1bbf66a56676f15117ef6c03e9801
Threat Level: Known bad
The file 8b5d2c8f5e8c7b68c7517edcdddc3cee55f1bbf66a56676f15117ef6c03e9801.exe was found to be: Known bad.
Malicious Activity Summary
RevengeRAT
Revengerat family
RevengeRat Executable
Loads dropped DLL
Executes dropped EXE
System Location Discovery: System Language Discovery
Suspicious use of WriteProcessMemory
Suspicious use of SetWindowsHookEx
Suspicious use of AdjustPrivilegeToken
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2025-01-08 06:32
Signatures
Analysis: behavioral1
Detonation Overview
Submitted
2025-01-08 06:32
Reported
2025-01-08 06:34
Platform
win7-20240903-en
Max time kernel
110s
Max time network
16s
Command Line
Signatures
RevengeRAT
Revengerat family
RevengeRat Executable
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Executes dropped EXE
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\OCS\ocs_v71a.exe | N/A |
Loads dropped DLL
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\8b5d2c8f5e8c7b68c7517edcdddc3cee55f1bbf66a56676f15117ef6c03e9801.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\8b5d2c8f5e8c7b68c7517edcdddc3cee55f1bbf66a56676f15117ef6c03e9801.exe | N/A |
System Location Discovery: System Language Discovery
| Description | Indicator | Process | Target |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Users\Admin\AppData\Local\Temp\8b5d2c8f5e8c7b68c7517edcdddc3cee55f1bbf66a56676f15117ef6c03e9801.exe | N/A |
Suspicious use of SetWindowsHookEx
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\8b5d2c8f5e8c7b68c7517edcdddc3cee55f1bbf66a56676f15117ef6c03e9801.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\OCS\ocs_v71a.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\OCS\ocs_v71a.exe | N/A |
Suspicious use of WriteProcessMemory
| Description | Indicator | Process | Target |
| PID 2712 wrote to memory of 2832 | N/A | C:\Users\Admin\AppData\Local\Temp\8b5d2c8f5e8c7b68c7517edcdddc3cee55f1bbf66a56676f15117ef6c03e9801.exe | C:\Users\Admin\AppData\Local\Temp\OCS\ocs_v71a.exe |
| PID 2712 wrote to memory of 2832 | N/A | C:\Users\Admin\AppData\Local\Temp\8b5d2c8f5e8c7b68c7517edcdddc3cee55f1bbf66a56676f15117ef6c03e9801.exe | C:\Users\Admin\AppData\Local\Temp\OCS\ocs_v71a.exe |
| PID 2712 wrote to memory of 2832 | N/A | C:\Users\Admin\AppData\Local\Temp\8b5d2c8f5e8c7b68c7517edcdddc3cee55f1bbf66a56676f15117ef6c03e9801.exe | C:\Users\Admin\AppData\Local\Temp\OCS\ocs_v71a.exe |
| PID 2712 wrote to memory of 2832 | N/A | C:\Users\Admin\AppData\Local\Temp\8b5d2c8f5e8c7b68c7517edcdddc3cee55f1bbf66a56676f15117ef6c03e9801.exe | C:\Users\Admin\AppData\Local\Temp\OCS\ocs_v71a.exe |
Processes
C:\Users\Admin\AppData\Local\Temp\8b5d2c8f5e8c7b68c7517edcdddc3cee55f1bbf66a56676f15117ef6c03e9801.exe
"C:\Users\Admin\AppData\Local\Temp\8b5d2c8f5e8c7b68c7517edcdddc3cee55f1bbf66a56676f15117ef6c03e9801.exe"
C:\Users\Admin\AppData\Local\Temp\OCS\ocs_v71a.exe
C:\Users\Admin\AppData\Local\Temp\OCS\ocs_v71a.exe -install -54397392 -chipde -e58599e2a8df48c3aba64a1f1aab835f - -ChromeBundle -xesondtyzbqthabw -393500
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | thinklabs-ltd.de | udp |
| DE | 176.9.175.237:80 | thinklabs-ltd.de | tcp |
| US | 8.8.8.8:53 | bin.download-sponsor.de | udp |
| DE | 176.9.175.234:443 | bin.download-sponsor.de | tcp |
Files
\Users\Admin\AppData\Local\Temp\OCS\ocs_v71a.exe
| MD5 | 317ec5f92cfbf04a53e8125b66b3b4af |
| SHA1 | 16068b8977b4dc562ae782d91bc009472667e331 |
| SHA256 | 7612ef3877c3e4e305a6c22941141601b489a73bc088622a40ebd93bee25bae5 |
| SHA512 | ed772da641a5c128677c4c285c648c1d8e539c34522b95c14f614797bb0d188571c7c257441d45598809aa3f8b4690bd53230282726e077c86c8d9fe71c1db65 |
memory/2832-12-0x000007FEF65EE000-0x000007FEF65EF000-memory.dmp
memory/2832-13-0x000007FEF6330000-0x000007FEF6CCD000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\OCS\xesondtyzbqthabw.dat
| MD5 | c6e0ebf26d0f1e4dec2840bd80b1083b |
| SHA1 | 4b86a0ea0fa3fecc695e89e27d3c37cc721a74ee |
| SHA256 | 4f88632ace9cfa3b013b01290d9e7d1544e92d832ba8f0ce02c51813f8e665da |
| SHA512 | fc0fa53da21f94fdecfa7bbd40d8c7279a3449c0779b4c35a5ffb13d7d02042d4248fbf946f9eb4c34d21217bf50d8a573091627f78f75248533a825d80d8253 |
memory/2832-15-0x000007FEF6330000-0x000007FEF6CCD000-memory.dmp
memory/2832-16-0x000007FEF6330000-0x000007FEF6CCD000-memory.dmp
memory/2832-17-0x000007FEF6330000-0x000007FEF6CCD000-memory.dmp
memory/2832-18-0x000007FEF6330000-0x000007FEF6CCD000-memory.dmp
memory/2832-19-0x000007FEF6330000-0x000007FEF6CCD000-memory.dmp
memory/2832-20-0x000007FEF6330000-0x000007FEF6CCD000-memory.dmp
memory/2832-21-0x000007FEF6330000-0x000007FEF6CCD000-memory.dmp
memory/2832-22-0x000007FEF6330000-0x000007FEF6CCD000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2025-01-08 06:32
Reported
2025-01-08 06:34
Platform
win10v2004-20241007-en
Max time kernel
93s
Max time network
95s
Command Line
Signatures
RevengeRAT
Revengerat family
RevengeRat Executable
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Executes dropped EXE
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\OCS\ocs_v71a.exe | N/A |
System Location Discovery: System Language Discovery
| Description | Indicator | Process | Target |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Users\Admin\AppData\Local\Temp\8b5d2c8f5e8c7b68c7517edcdddc3cee55f1bbf66a56676f15117ef6c03e9801.exe | N/A |
Suspicious use of AdjustPrivilegeToken
| Description | Indicator | Process | Target |
| Token: SeDebugPrivilege | N/A | C:\Users\Admin\AppData\Local\Temp\OCS\ocs_v71a.exe | N/A |
Suspicious use of SetWindowsHookEx
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\8b5d2c8f5e8c7b68c7517edcdddc3cee55f1bbf66a56676f15117ef6c03e9801.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\OCS\ocs_v71a.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\OCS\ocs_v71a.exe | N/A |
Suspicious use of WriteProcessMemory
| Description | Indicator | Process | Target |
| PID 2324 wrote to memory of 4956 | N/A | C:\Users\Admin\AppData\Local\Temp\8b5d2c8f5e8c7b68c7517edcdddc3cee55f1bbf66a56676f15117ef6c03e9801.exe | C:\Users\Admin\AppData\Local\Temp\OCS\ocs_v71a.exe |
| PID 2324 wrote to memory of 4956 | N/A | C:\Users\Admin\AppData\Local\Temp\8b5d2c8f5e8c7b68c7517edcdddc3cee55f1bbf66a56676f15117ef6c03e9801.exe | C:\Users\Admin\AppData\Local\Temp\OCS\ocs_v71a.exe |
Processes
C:\Users\Admin\AppData\Local\Temp\8b5d2c8f5e8c7b68c7517edcdddc3cee55f1bbf66a56676f15117ef6c03e9801.exe
"C:\Users\Admin\AppData\Local\Temp\8b5d2c8f5e8c7b68c7517edcdddc3cee55f1bbf66a56676f15117ef6c03e9801.exe"
C:\Users\Admin\AppData\Local\Temp\OCS\ocs_v71a.exe
C:\Users\Admin\AppData\Local\Temp\OCS\ocs_v71a.exe -install -54397392 -chipde -e58599e2a8df48c3aba64a1f1aab835f - -ChromeBundle -ldkaondhkfqjajmc -1114180
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 | 13.86.106.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 172.210.232.199.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 0.159.190.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | thinklabs-ltd.de | udp |
| DE | 176.9.175.237:80 | thinklabs-ltd.de | tcp |
| US | 8.8.8.8:53 | bin.download-sponsor.de | udp |
| DE | 176.9.175.234:443 | bin.download-sponsor.de | tcp |
| US | 8.8.8.8:53 | 95.221.229.192.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 237.175.9.176.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 234.175.9.176.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 58.55.71.13.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 232.168.11.51.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 53.210.109.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 206.23.85.13.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 86.49.80.91.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 172.214.232.199.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 22.236.111.52.in-addr.arpa | udp |
Files
C:\Users\Admin\AppData\Local\Temp\OCS\ocs_v71a.exe
| MD5 | 317ec5f92cfbf04a53e8125b66b3b4af |
| SHA1 | 16068b8977b4dc562ae782d91bc009472667e331 |
| SHA256 | 7612ef3877c3e4e305a6c22941141601b489a73bc088622a40ebd93bee25bae5 |
| SHA512 | ed772da641a5c128677c4c285c648c1d8e539c34522b95c14f614797bb0d188571c7c257441d45598809aa3f8b4690bd53230282726e077c86c8d9fe71c1db65 |
memory/4956-8-0x00007FFD35F95000-0x00007FFD35F96000-memory.dmp
memory/4956-10-0x000000001BC40000-0x000000001C10E000-memory.dmp
memory/4956-9-0x00007FFD35CE0000-0x00007FFD36681000-memory.dmp
memory/4956-11-0x000000001B6B0000-0x000000001B756000-memory.dmp
memory/4956-12-0x000000001C1E0000-0x000000001C27C000-memory.dmp
memory/4956-13-0x00007FFD35CE0000-0x00007FFD36681000-memory.dmp
memory/4956-14-0x0000000001200000-0x0000000001208000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\OCS\ldkaondhkfqjajmc.dat
| MD5 | c6e0ebf26d0f1e4dec2840bd80b1083b |
| SHA1 | 4b86a0ea0fa3fecc695e89e27d3c37cc721a74ee |
| SHA256 | 4f88632ace9cfa3b013b01290d9e7d1544e92d832ba8f0ce02c51813f8e665da |
| SHA512 | fc0fa53da21f94fdecfa7bbd40d8c7279a3449c0779b4c35a5ffb13d7d02042d4248fbf946f9eb4c34d21217bf50d8a573091627f78f75248533a825d80d8253 |
memory/4956-16-0x00007FFD35CE0000-0x00007FFD36681000-memory.dmp
memory/4956-17-0x00007FFD35CE0000-0x00007FFD36681000-memory.dmp
memory/4956-18-0x00007FFD35CE0000-0x00007FFD36681000-memory.dmp
memory/4956-19-0x00007FFD35CE0000-0x00007FFD36681000-memory.dmp
memory/4956-20-0x00007FFD35CE0000-0x00007FFD36681000-memory.dmp
memory/4956-21-0x00007FFD35CE0000-0x00007FFD36681000-memory.dmp
memory/4956-22-0x00007FFD35F95000-0x00007FFD35F96000-memory.dmp
memory/4956-23-0x00007FFD35CE0000-0x00007FFD36681000-memory.dmp
memory/4956-25-0x00007FFD35CE0000-0x00007FFD36681000-memory.dmp