Analysis Overview
SHA256
1a3ae7914610860bb295fd5ba9185b1db8f960738a43a20c838cc79e79b47f26
Threat Level: Known bad
The file 1a3ae7914610860bb295fd5ba9185b1db8f960738a43a20c838cc79e79b47f26 was found to be: Known bad.
Malicious Activity Summary
FatalRat
Fatal Rat payload
ASPack v2.12-2.42
Executes dropped EXE
Program crash
Enumerates physical storage devices
Suspicious behavior: EnumeratesProcesses
Suspicious use of WriteProcessMemory
Suspicious use of AdjustPrivilegeToken
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2023-08-16 07:09
Signatures
ASPack v2.12-2.42
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral1
Detonation Overview
Submitted
2023-08-16 07:09
Reported
2023-08-16 07:11
Platform
win7-20230712-en
Max time kernel
140s
Max time network
122s
Command Line
Signatures
Program crash
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\WerFault.exe | C:\Users\Admin\AppData\Local\Temp\1a3ae7914610860bb295fd5ba9185b1db8f960738a43a20c838cc79e79b47f26.exe |
Suspicious use of WriteProcessMemory
| Description | Indicator | Process | Target |
| PID 2372 wrote to memory of 1128 | N/A | C:\Users\Admin\AppData\Local\Temp\1a3ae7914610860bb295fd5ba9185b1db8f960738a43a20c838cc79e79b47f26.exe | C:\Windows\SysWOW64\WerFault.exe |
| PID 2372 wrote to memory of 1128 | N/A | C:\Users\Admin\AppData\Local\Temp\1a3ae7914610860bb295fd5ba9185b1db8f960738a43a20c838cc79e79b47f26.exe | C:\Windows\SysWOW64\WerFault.exe |
| PID 2372 wrote to memory of 1128 | N/A | C:\Users\Admin\AppData\Local\Temp\1a3ae7914610860bb295fd5ba9185b1db8f960738a43a20c838cc79e79b47f26.exe | C:\Windows\SysWOW64\WerFault.exe |
| PID 2372 wrote to memory of 1128 | N/A | C:\Users\Admin\AppData\Local\Temp\1a3ae7914610860bb295fd5ba9185b1db8f960738a43a20c838cc79e79b47f26.exe | C:\Windows\SysWOW64\WerFault.exe |
Processes
C:\Users\Admin\AppData\Local\Temp\1a3ae7914610860bb295fd5ba9185b1db8f960738a43a20c838cc79e79b47f26.exe
"C:\Users\Admin\AppData\Local\Temp\1a3ae7914610860bb295fd5ba9185b1db8f960738a43a20c838cc79e79b47f26.exe"
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 2372 -s 116
Network
| Country | Destination | Domain | Proto |
| HK | 154.92.16.100:16553 | tcp |
Files
memory/2372-56-0x0000000000190000-0x00000000001EE000-memory.dmp
memory/2372-55-0x0000000000190000-0x00000000001EE000-memory.dmp
memory/2372-54-0x0000000000190000-0x00000000001EE000-memory.dmp
memory/2372-57-0x0000000000610000-0x0000000000650000-memory.dmp
memory/2372-58-0x0000000000190000-0x00000000001EE000-memory.dmp
memory/2372-59-0x0000000000610000-0x0000000000650000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2023-08-16 07:09
Reported
2023-08-16 07:11
Platform
win10v2004-20230703-en
Max time kernel
144s
Max time network
155s
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 |
ASPack v2.12-2.42
| 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 |
Executes dropped EXE
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\1a3ae7914610860bb295fd5ba9185b1db8f960738a43a20c838cc79e79b47f26.exe | N/A |
Enumerates physical storage devices
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
| Description | Indicator | Process | Target |
| Token: SeDebugPrivilege | N/A | C:\Users\Admin\AppData\Local\Temp\1a3ae7914610860bb295fd5ba9185b1db8f960738a43a20c838cc79e79b47f26.exe | N/A |
| Token: SeDebugPrivilege | N/A | C:\Users\Admin\AppData\Local\1a3ae7914610860bb295fd5ba9185b1db8f960738a43a20c838cc79e79b47f26.exe | N/A |
Suspicious use of WriteProcessMemory
| Description | Indicator | Process | Target |
| PID 4968 wrote to memory of 2148 | N/A | C:\Users\Admin\AppData\Local\Temp\1a3ae7914610860bb295fd5ba9185b1db8f960738a43a20c838cc79e79b47f26.exe | C:\Users\Admin\AppData\Local\1a3ae7914610860bb295fd5ba9185b1db8f960738a43a20c838cc79e79b47f26.exe |
| PID 4968 wrote to memory of 2148 | N/A | C:\Users\Admin\AppData\Local\Temp\1a3ae7914610860bb295fd5ba9185b1db8f960738a43a20c838cc79e79b47f26.exe | C:\Users\Admin\AppData\Local\1a3ae7914610860bb295fd5ba9185b1db8f960738a43a20c838cc79e79b47f26.exe |
| PID 4968 wrote to memory of 2148 | N/A | C:\Users\Admin\AppData\Local\Temp\1a3ae7914610860bb295fd5ba9185b1db8f960738a43a20c838cc79e79b47f26.exe | C:\Users\Admin\AppData\Local\1a3ae7914610860bb295fd5ba9185b1db8f960738a43a20c838cc79e79b47f26.exe |
Processes
C:\Users\Admin\AppData\Local\Temp\1a3ae7914610860bb295fd5ba9185b1db8f960738a43a20c838cc79e79b47f26.exe
"C:\Users\Admin\AppData\Local\Temp\1a3ae7914610860bb295fd5ba9185b1db8f960738a43a20c838cc79e79b47f26.exe"
C:\Users\Admin\AppData\Local\1a3ae7914610860bb295fd5ba9185b1db8f960738a43a20c838cc79e79b47f26.exe
"C:\Users\Admin\AppData\Local\1a3ae7914610860bb295fd5ba9185b1db8f960738a43a20c838cc79e79b47f26.exe"
Network
| Country | Destination | Domain | Proto |
| HK | 154.92.16.100:16553 | tcp | |
| US | 8.8.8.8:53 | 158.240.127.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 240.81.21.72.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 100.16.92.154.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 76.32.126.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 108.211.229.192.in-addr.arpa | udp |
| HK | 154.92.16.100:16553 | tcp | |
| HK | 154.92.16.100:8858 | tcp | |
| US | 8.8.8.8:53 | 2.136.104.51.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 103.169.127.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 171.39.242.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 2.173.189.20.in-addr.arpa | udp |
Files
memory/4968-133-0x0000000000D60000-0x0000000000DBE000-memory.dmp
memory/4968-134-0x0000000000D60000-0x0000000000DBE000-memory.dmp
memory/4968-135-0x0000000000D60000-0x0000000000DBE000-memory.dmp
memory/4968-136-0x00000000016C0000-0x00000000017C0000-memory.dmp
memory/4968-137-0x0000000000DD0000-0x0000000000DD1000-memory.dmp
memory/4968-139-0x0000000000400000-0x0000000000438000-memory.dmp
memory/4968-138-0x0000000010000000-0x0000000010031000-memory.dmp
memory/4968-142-0x0000000001340000-0x000000000136A000-memory.dmp
C:\Users\Admin\AppData\Local\1a3ae7914610860bb295fd5ba9185b1db8f960738a43a20c838cc79e79b47f26.exe
| MD5 | b6335bc769f15b2d20c92c1f6cc8fcc5 |
| SHA1 | ef999a8fca3e683b6c3041f12cbddcf5c01b9c57 |
| SHA256 | 1a3ae7914610860bb295fd5ba9185b1db8f960738a43a20c838cc79e79b47f26 |
| SHA512 | b0d10909b27f122725b56b2e81f84c46ea6314fa378c1efc9607db277d3cf1b670067aed3f82a8c29f2f2f9b632b02d79cec59dbe3507de08cb9b3cc4de52eea |
C:\Users\Admin\AppData\Local\1a3ae7914610860bb295fd5ba9185b1db8f960738a43a20c838cc79e79b47f26.exe
| MD5 | b6335bc769f15b2d20c92c1f6cc8fcc5 |
| SHA1 | ef999a8fca3e683b6c3041f12cbddcf5c01b9c57 |
| SHA256 | 1a3ae7914610860bb295fd5ba9185b1db8f960738a43a20c838cc79e79b47f26 |
| SHA512 | b0d10909b27f122725b56b2e81f84c46ea6314fa378c1efc9607db277d3cf1b670067aed3f82a8c29f2f2f9b632b02d79cec59dbe3507de08cb9b3cc4de52eea |
C:\Users\Admin\AppData\Local\1a3ae7914610860bb295fd5ba9185b1db8f960738a43a20c838cc79e79b47f26.exe
| MD5 | b6335bc769f15b2d20c92c1f6cc8fcc5 |
| SHA1 | ef999a8fca3e683b6c3041f12cbddcf5c01b9c57 |
| SHA256 | 1a3ae7914610860bb295fd5ba9185b1db8f960738a43a20c838cc79e79b47f26 |
| SHA512 | b0d10909b27f122725b56b2e81f84c46ea6314fa378c1efc9607db277d3cf1b670067aed3f82a8c29f2f2f9b632b02d79cec59dbe3507de08cb9b3cc4de52eea |
memory/2148-162-0x00000000006E0000-0x000000000073E000-memory.dmp
memory/2148-161-0x00000000006E0000-0x000000000073E000-memory.dmp
memory/4968-160-0x0000000000D60000-0x0000000000DBE000-memory.dmp
memory/2148-158-0x00000000006E0000-0x000000000073E000-memory.dmp
memory/2148-163-0x0000000000C70000-0x0000000000D70000-memory.dmp
memory/2148-166-0x00000000009B0000-0x00000000009E8000-memory.dmp
memory/2148-168-0x0000000000A10000-0x0000000000A3A000-memory.dmp
memory/2148-173-0x00000000006E0000-0x000000000073E000-memory.dmp
memory/2148-174-0x0000000000C70000-0x0000000000D70000-memory.dmp