Analysis Overview
SHA256
fa3d349119a0d23573d2f35770da77e082ce3434934a6e98ed43696b40043761
Threat Level: Known bad
The file TRwu8tfxztNty5tIogFjsKG.zip was found to be: Known bad.
Malicious Activity Summary
Emotet
Adds Run key to start application
Suspicious use of WriteProcessMemory
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: RenamesItself
MITRE ATT&CK
Enterprise Matrix V6
Analysis: static1
Detonation Overview
Reported
2023-03-08 09:47
Signatures
Analysis: behavioral1
Detonation Overview
Submitted
2023-03-08 09:47
Reported
2023-03-08 09:50
Platform
win7-20230220-en
Max time kernel
150s
Max time network
173s
Command Line
Signatures
Emotet
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 1968 wrote to memory of 756 | N/A | C:\Windows\system32\regsvr32.exe | C:\Windows\system32\regsvr32.exe |
| PID 1968 wrote to memory of 756 | N/A | C:\Windows\system32\regsvr32.exe | C:\Windows\system32\regsvr32.exe |
| PID 1968 wrote to memory of 756 | N/A | C:\Windows\system32\regsvr32.exe | C:\Windows\system32\regsvr32.exe |
| PID 1968 wrote to memory of 756 | N/A | C:\Windows\system32\regsvr32.exe | C:\Windows\system32\regsvr32.exe |
| PID 1968 wrote to memory of 756 | 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\HA8eIaalRc0917mRoS19ZSz9zXs883.dll
C:\Windows\system32\regsvr32.exe
C:\Windows\system32\regsvr32.exe "C:\Windows\system32\USIAuwINDuyMCdqLe\SrPuFFavugiW.dll"
Network
| Country | Destination | Domain | Proto |
| FR | 91.121.146.47:8080 | tcp | |
| FR | 91.121.146.47:8080 | tcp | |
| US | 66.228.32.31:7080 | tcp | |
| KR | 182.162.143.56:443 | tcp | |
| BR | 187.63.160.88:80 | tcp | |
| US | 167.172.199.165:8080 | tcp | |
| DE | 164.90.222.65:443 | tcp | |
| DE | 164.90.222.65:443 | tcp | |
| US | 104.168.155.143:8080 | tcp | |
| US | 104.168.155.143:8080 | tcp | |
| KG | 91.207.28.33:8080 | tcp | |
| US | 72.15.201.15:8080 | tcp |
Files
memory/1968-54-0x0000000001CF0000-0x0000000001DA0000-memory.dmp
memory/1968-56-0x0000000180000000-0x000000018002D000-memory.dmp
memory/1968-59-0x0000000000130000-0x0000000000131000-memory.dmp
memory/756-60-0x0000000001DD0000-0x0000000001E80000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2023-03-08 09:47
Reported
2023-03-08 09:50
Platform
win10v2004-20230220-en
Max time kernel
151s
Max time network
99s
Command Line
Signatures
Emotet
Adds Run key to start application
| Description | Indicator | Process | Target |
| Key created | \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run | C:\Windows\system32\regsvr32.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\OGulVqRfECSSuXY.dll = "C:\\Windows\\system32\\regsvr32.exe \"C:\\Windows\\system32\\RWOaFUiHGU\\OGulVqRfECSSuXY.dll\"" | C:\Windows\system32\regsvr32.exe | N/A |
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 4288 wrote to memory of 1516 | N/A | C:\Windows\system32\regsvr32.exe | C:\Windows\system32\regsvr32.exe |
| PID 4288 wrote to memory of 1516 | 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\HA8eIaalRc0917mRoS19ZSz9zXs883.dll
C:\Windows\system32\regsvr32.exe
C:\Windows\system32\regsvr32.exe "C:\Windows\system32\RWOaFUiHGU\OGulVqRfECSSuXY.dll"
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | 58.104.205.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 97.17.167.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 104.219.191.52.in-addr.arpa | udp |
| US | 52.168.112.66:443 | tcp | |
| US | 8.8.8.8:53 | 199.176.139.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 177.238.32.23.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 234.238.32.23.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 62.13.109.52.in-addr.arpa | udp |
| FR | 91.121.146.47:8080 | 91.121.146.47 | tcp |
| US | 8.8.8.8:53 | 47.146.121.91.in-addr.arpa | udp |
| US | 209.197.3.8:80 | tcp | |
| US | 209.197.3.8:80 | tcp | |
| NL | 173.223.113.164:443 | tcp | |
| NL | 173.223.113.131:80 | tcp | |
| US | 204.79.197.203:80 | tcp |
Files
memory/4288-133-0x0000000180000000-0x000000018002D000-memory.dmp
memory/4288-136-0x0000000000D30000-0x0000000000D31000-memory.dmp
memory/1516-137-0x00000000020A0000-0x0000000002150000-memory.dmp
memory/1516-142-0x00000000020A0000-0x0000000002150000-memory.dmp
memory/1516-155-0x00000000020A0000-0x0000000002150000-memory.dmp