Analysis Overview
SHA256
b4b0c2a4f88930c7a9de40fd273784aab7ee166b26aea6b973a7e0be86153891
Threat Level: Known bad
The file cc4864a25a305759921b73d753116873493f2c526a396839d4da6815492299d8.zip was found to be: Known bad.
Malicious Activity Summary
r77 rootkit payload
R77 family
Unsigned PE
Program crash
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
MITRE ATT&CK
Analysis: static1
Detonation Overview
Reported
2023-08-10 07:41
Signatures
R77 family
r77 rootkit payload
| 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
2023-08-10 07:41
Reported
2023-08-10 07:45
Platform
win7-20230712-en
Max time kernel
117s
Max time network
122s
Command Line
Signatures
Program crash
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\system32\WerFault.exe | C:\Users\Admin\AppData\Local\Temp\cc4864a25a305759921b73d753116873493f2c526a396839d4da6815492299d8.exe |
Suspicious behavior: EnumeratesProcesses
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\cc4864a25a305759921b73d753116873493f2c526a396839d4da6815492299d8.exe | N/A |
Suspicious use of AdjustPrivilegeToken
| Description | Indicator | Process | Target |
| Token: SeDebugPrivilege | N/A | C:\Users\Admin\AppData\Local\Temp\cc4864a25a305759921b73d753116873493f2c526a396839d4da6815492299d8.exe | N/A |
Suspicious use of WriteProcessMemory
| Description | Indicator | Process | Target |
| PID 2968 wrote to memory of 1084 | N/A | C:\Users\Admin\AppData\Local\Temp\cc4864a25a305759921b73d753116873493f2c526a396839d4da6815492299d8.exe | C:\Windows\system32\WerFault.exe |
| PID 2968 wrote to memory of 1084 | N/A | C:\Users\Admin\AppData\Local\Temp\cc4864a25a305759921b73d753116873493f2c526a396839d4da6815492299d8.exe | C:\Windows\system32\WerFault.exe |
| PID 2968 wrote to memory of 1084 | N/A | C:\Users\Admin\AppData\Local\Temp\cc4864a25a305759921b73d753116873493f2c526a396839d4da6815492299d8.exe | C:\Windows\system32\WerFault.exe |
Processes
C:\Users\Admin\AppData\Local\Temp\cc4864a25a305759921b73d753116873493f2c526a396839d4da6815492299d8.exe
"C:\Users\Admin\AppData\Local\Temp\cc4864a25a305759921b73d753116873493f2c526a396839d4da6815492299d8.exe"
C:\Windows\system32\WerFault.exe
C:\Windows\system32\WerFault.exe -u -p 2968 -s 1144
Network
Files
memory/2968-54-0x0000000000170000-0x00000000001AE000-memory.dmp
memory/2968-57-0x000000001AE80000-0x000000001AF00000-memory.dmp
memory/2968-56-0x000000001AE80000-0x000000001AF00000-memory.dmp
memory/2968-55-0x000007FEF5110000-0x000007FEF5AFC000-memory.dmp
memory/2968-58-0x000000001AE80000-0x000000001AF00000-memory.dmp
memory/2968-62-0x000000001AE80000-0x000000001AF00000-memory.dmp
memory/2968-63-0x000007FEF5110000-0x000007FEF5AFC000-memory.dmp
memory/2968-64-0x000000001AE80000-0x000000001AF00000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2023-08-10 07:41
Reported
2023-08-10 07:45
Platform
win10v2004-20230703-en
Max time kernel
127s
Max time network
156s
Command Line
Signatures
Program crash
Suspicious use of AdjustPrivilegeToken
| Description | Indicator | Process | Target |
| Token: SeDebugPrivilege | N/A | C:\Users\Admin\AppData\Local\Temp\cc4864a25a305759921b73d753116873493f2c526a396839d4da6815492299d8.exe | N/A |
Processes
C:\Users\Admin\AppData\Local\Temp\cc4864a25a305759921b73d753116873493f2c526a396839d4da6815492299d8.exe
"C:\Users\Admin\AppData\Local\Temp\cc4864a25a305759921b73d753116873493f2c526a396839d4da6815492299d8.exe"
C:\Windows\system32\WerFault.exe
C:\Windows\system32\WerFault.exe -pss -s 416 -p 2792 -ip 2792
C:\Windows\system32\WerFault.exe
C:\Windows\system32\WerFault.exe -u -p 2792 -s 1168
C:\Windows\system32\WerFault.exe
C:\Windows\system32\WerFault.exe -pss -s 520 -p 2792 -ip 2792
C:\Windows\system32\WerFault.exe
C:\Windows\system32\WerFault.exe -u -p 2792 -s 1196
C:\Windows\System32\rundll32.exe
C:\Windows\System32\rundll32.exe C:\Windows\System32\shell32.dll,SHCreateLocalServerRunDll {9aa46009-3ce0-458a-a354-715610a075e6} -Embedding
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | 146.78.124.51.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 8.3.197.209.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 67.31.126.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 108.211.229.192.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 158.240.127.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 50.23.12.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 15.164.165.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 45.8.109.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 240.81.21.72.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 137.71.105.51.in-addr.arpa | udp |
Files
memory/2792-133-0x00007FFA74260000-0x00007FFA74D21000-memory.dmp
memory/2792-134-0x000002409C380000-0x000002409C390000-memory.dmp
memory/2792-135-0x000002409C380000-0x000002409C390000-memory.dmp
memory/2792-136-0x000002409C380000-0x000002409C390000-memory.dmp
memory/2792-137-0x000002409C380000-0x000002409C390000-memory.dmp
memory/2792-138-0x000002409C380000-0x000002409C390000-memory.dmp
memory/2792-139-0x00007FFA74260000-0x00007FFA74D21000-memory.dmp