Analysis Overview
SHA256
731755f3c381ec878ebbdc6a455555ac12fab1cfc9ff989379358ad4bdc24151
Threat Level: Known bad
The file 731755f3c381ec878ebbdc6a455555ac12fab1cfc9ff989379358ad4bdc24151 was found to be: Known bad.
Malicious Activity Summary
Emotet
Emotet family
Unsigned PE
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: RenamesItself
Suspicious use of WriteProcessMemory
MITRE ATT&CK
Analysis: static1
Detonation Overview
Reported
2024-11-13 17:48
Signatures
Unsigned PE
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral1
Detonation Overview
Submitted
2024-11-13 17:48
Reported
2024-11-13 17:50
Platform
win7-20240708-en
Max time kernel
143s
Max time network
148s
Command Line
Signatures
Emotet
Emotet family
Suspicious behavior: EnumeratesProcesses
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\system32\regsvr32.exe | N/A |
| N/A | N/A | C:\Windows\system32\regsvr32.exe | N/A |
| N/A | N/A | C:\Windows\system32\regsvr32.exe | N/A |
Suspicious behavior: RenamesItself
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\system32\regsvr32.exe | N/A |
Suspicious use of WriteProcessMemory
| Description | Indicator | Process | Target |
| PID 2424 wrote to memory of 2176 | N/A | C:\Windows\system32\regsvr32.exe | C:\Windows\system32\regsvr32.exe |
| PID 2424 wrote to memory of 2176 | N/A | C:\Windows\system32\regsvr32.exe | C:\Windows\system32\regsvr32.exe |
| PID 2424 wrote to memory of 2176 | N/A | C:\Windows\system32\regsvr32.exe | C:\Windows\system32\regsvr32.exe |
| PID 2424 wrote to memory of 2176 | N/A | C:\Windows\system32\regsvr32.exe | C:\Windows\system32\regsvr32.exe |
| PID 2424 wrote to memory of 2176 | N/A | C:\Windows\system32\regsvr32.exe | C:\Windows\system32\regsvr32.exe |
Processes
C:\Windows\system32\regsvr32.exe
regsvr32 /s C:\Users\Admin\AppData\Local\Temp\731755f3c381ec878ebbdc6a455555ac12fab1cfc9ff989379358ad4bdc24151.dll
C:\Windows\system32\regsvr32.exe
C:\Windows\system32\regsvr32.exe "C:\Windows\system32\EIjvy\pOfBEpAThIDhDS.dll"
Network
| Country | Destination | Domain | Proto |
| ID | 115.178.55.22:80 | tcp | |
| SG | 172.105.115.71:8080 | tcp | |
| KR | 218.38.121.17:443 | tcp | |
| KR | 218.38.121.17:443 | tcp | |
| BR | 186.250.48.5:443 | tcp | |
| IN | 103.71.99.57:8080 | tcp | |
| DE | 85.214.67.203:8080 | tcp | |
| FR | 85.25.120.45:8080 | tcp | |
| CN | 139.196.72.155:8080 | tcp | |
| ID | 103.85.95.4:8080 | tcp | |
| US | 198.199.70.22:8080 | tcp |
Files
memory/2424-0-0x0000000000500000-0x0000000000501000-memory.dmp
memory/2424-2-0x0000000001C40000-0x0000000001C6E000-memory.dmp
memory/2424-7-0x0000000180000000-0x00000001800A2000-memory.dmp
memory/2176-8-0x0000000180000000-0x00000001800A2000-memory.dmp
memory/2176-11-0x0000000180000000-0x00000001800A2000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2024-11-13 17:48
Reported
2024-11-13 17:50
Platform
win10v2004-20241007-en
Max time kernel
138s
Max time network
147s
Command Line
Signatures
Emotet
Emotet family
Suspicious behavior: EnumeratesProcesses
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\system32\regsvr32.exe | N/A |
| N/A | N/A | C:\Windows\system32\regsvr32.exe | N/A |
| N/A | N/A | C:\Windows\system32\regsvr32.exe | N/A |
| N/A | N/A | C:\Windows\system32\regsvr32.exe | N/A |
| N/A | N/A | C:\Windows\system32\regsvr32.exe | N/A |
| N/A | N/A | C:\Windows\system32\regsvr32.exe | N/A |
Suspicious behavior: RenamesItself
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\system32\regsvr32.exe | N/A |
Suspicious use of WriteProcessMemory
| Description | Indicator | Process | Target |
| PID 4528 wrote to memory of 4448 | N/A | C:\Windows\system32\regsvr32.exe | C:\Windows\system32\regsvr32.exe |
| PID 4528 wrote to memory of 4448 | N/A | C:\Windows\system32\regsvr32.exe | C:\Windows\system32\regsvr32.exe |
Processes
C:\Windows\system32\regsvr32.exe
regsvr32 /s C:\Users\Admin\AppData\Local\Temp\731755f3c381ec878ebbdc6a455555ac12fab1cfc9ff989379358ad4bdc24151.dll
C:\Windows\system32\regsvr32.exe
C:\Windows\system32\regsvr32.exe "C:\Windows\system32\NPGAuOcz\PPHnItuLfEpvU.dll"
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | 209.205.72.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 83.210.23.2.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 22.160.190.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 95.221.229.192.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 13.86.106.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 200.163.202.172.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 198.187.3.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 82.190.18.2.in-addr.arpa | udp |
| ID | 115.178.55.22:80 | tcp | |
| SG | 172.105.115.71:8080 | tcp | |
| KR | 218.38.121.17:443 | 218.38.121.17 | tcp |
| US | 8.8.8.8:53 | 17.121.38.218.in-addr.arpa | udp |
| BR | 186.250.48.5:443 | tcp | |
| IN | 103.71.99.57:8080 | tcp | |
| US | 8.8.8.8:53 | 101.210.23.2.in-addr.arpa | udp |
| DE | 85.214.67.203:8080 | tcp | |
| FR | 85.25.120.45:8080 | tcp | |
| CN | 139.196.72.155:8080 | tcp |
Files
memory/4528-0-0x0000000002DB0000-0x0000000002DDE000-memory.dmp
memory/4528-3-0x0000000001560000-0x0000000001561000-memory.dmp
memory/4528-7-0x0000000180000000-0x00000001800A2000-memory.dmp