Analysis Overview
SHA256
74cb8639ce7741fa62f008836a4a4eebdd24f8f22d78bf5b4048680f6917e281
Threat Level: Known bad
The file 74cb8639ce7741fa62f008836a4a4eebdd24f8f22d78bf5b4048680f6917e281 was found to be: Known bad.
Malicious Activity Summary
Emotet
Executes dropped EXE
Drops file in System32 directory
Unsigned PE
Enumerates physical storage devices
Modifies system certificate store
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: RenamesItself
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2024-03-25 12:44
Signatures
Unsigned PE
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral1
Detonation Overview
Submitted
2024-03-25 12:44
Reported
2024-03-25 12:47
Platform
win7-20240221-en
Max time kernel
138s
Max time network
145s
Command Line
Signatures
Emotet
Executes dropped EXE
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\KBDMON\relog.exe | N/A |
Drops file in System32 directory
| Description | Indicator | Process | Target |
| File opened for modification | C:\Windows\SysWOW64\KBDMON\relog.exe | C:\Users\Admin\AppData\Local\Temp\KBDYAK.exe | N/A |
Enumerates physical storage devices
Modifies system certificate store
| Description | Indicator | Process | Target |
| Set value (data) | \REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\ROOT\Certificates\CABD2A79A1076A31F21D253635CB039D4329A5E8\Blob = 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 | C:\Windows\SysWOW64\KBDMON\relog.exe | N/A |
| Key created | \REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\ROOT\Certificates\CABD2A79A1076A31F21D253635CB039D4329A5E8 | C:\Windows\SysWOW64\KBDMON\relog.exe | N/A |
Suspicious behavior: EnumeratesProcesses
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\KBDMON\relog.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\KBDMON\relog.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\KBDMON\relog.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\KBDMON\relog.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\KBDMON\relog.exe | N/A |
Suspicious behavior: RenamesItself
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\KBDYAK.exe | N/A |
Suspicious use of SetWindowsHookEx
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\KBDYAK.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\KBDYAK.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\KBDMON\relog.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\KBDMON\relog.exe | N/A |
Suspicious use of WriteProcessMemory
| Description | Indicator | Process | Target |
| PID 848 wrote to memory of 2152 | N/A | C:\Users\Admin\AppData\Local\Temp\KBDYAK.exe | C:\Windows\SysWOW64\KBDMON\relog.exe |
| PID 848 wrote to memory of 2152 | N/A | C:\Users\Admin\AppData\Local\Temp\KBDYAK.exe | C:\Windows\SysWOW64\KBDMON\relog.exe |
| PID 848 wrote to memory of 2152 | N/A | C:\Users\Admin\AppData\Local\Temp\KBDYAK.exe | C:\Windows\SysWOW64\KBDMON\relog.exe |
| PID 848 wrote to memory of 2152 | N/A | C:\Users\Admin\AppData\Local\Temp\KBDYAK.exe | C:\Windows\SysWOW64\KBDMON\relog.exe |
Processes
C:\Users\Admin\AppData\Local\Temp\KBDYAK.exe
"C:\Users\Admin\AppData\Local\Temp\KBDYAK.exe"
C:\Windows\SysWOW64\KBDMON\relog.exe
"C:\Windows\SysWOW64\KBDMON\relog.exe"
Network
| Country | Destination | Domain | Proto |
| CA | 67.68.210.95:80 | tcp | |
| CA | 67.68.210.95:80 | tcp | |
| US | 162.241.242.173:8080 | tcp | |
| US | 162.241.242.173:8080 | tcp | |
| US | 45.55.36.51:443 | 45.55.36.51 | tcp |
| US | 45.55.36.51:443 | tcp | |
| US | 45.55.219.163:443 | tcp | |
| US | 45.55.219.163:443 | tcp |
Files
memory/848-1-0x00000000003D0000-0x00000000003DC000-memory.dmp
memory/848-0-0x00000000003B0000-0x00000000003B1000-memory.dmp
memory/848-2-0x00000000003C0000-0x00000000003C9000-memory.dmp
C:\Windows\SysWOW64\KBDMON\relog.exe
| MD5 | a4513379dad5233afa402cc56a8b9222 |
| SHA1 | 805727279208de9cf49e6374b1f3a6dc0052620e |
| SHA256 | ccd380ea868ffad4f960d7455fecf88c2ac3550001bbb6c21c31ae70b3bbf4f6 |
| SHA512 | 10b23a9721bc9692f225a864f541d722761e622ff94e92f08c367a14fb7398199d4f4d3895ca456064889871246c6cbfc15fb2e593be21f384fb49e084cf3f9f |
memory/2152-7-0x00000000001D0000-0x00000000001DC000-memory.dmp
memory/2152-11-0x00000000001D0000-0x00000000001DC000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2024-03-25 12:44
Reported
2024-03-25 12:47
Platform
win10v2004-20240226-en
Max time kernel
148s
Max time network
152s
Command Line
Signatures
Emotet
Executes dropped EXE
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\NapiNSP\UIManagerBrokerps.exe | N/A |
Drops file in System32 directory
| Description | Indicator | Process | Target |
| File opened for modification | C:\Windows\SysWOW64\NapiNSP\UIManagerBrokerps.exe | C:\Users\Admin\AppData\Local\Temp\KBDYAK.exe | N/A |
Enumerates physical storage devices
Suspicious behavior: EnumeratesProcesses
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\NapiNSP\UIManagerBrokerps.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\NapiNSP\UIManagerBrokerps.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\NapiNSP\UIManagerBrokerps.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\NapiNSP\UIManagerBrokerps.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\NapiNSP\UIManagerBrokerps.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\NapiNSP\UIManagerBrokerps.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\NapiNSP\UIManagerBrokerps.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\NapiNSP\UIManagerBrokerps.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\NapiNSP\UIManagerBrokerps.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\NapiNSP\UIManagerBrokerps.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\NapiNSP\UIManagerBrokerps.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\NapiNSP\UIManagerBrokerps.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\NapiNSP\UIManagerBrokerps.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\NapiNSP\UIManagerBrokerps.exe | N/A |
Suspicious behavior: RenamesItself
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\KBDYAK.exe | N/A |
Suspicious use of SetWindowsHookEx
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\KBDYAK.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\KBDYAK.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\NapiNSP\UIManagerBrokerps.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\NapiNSP\UIManagerBrokerps.exe | N/A |
Suspicious use of WriteProcessMemory
| Description | Indicator | Process | Target |
| PID 2980 wrote to memory of 3624 | N/A | C:\Users\Admin\AppData\Local\Temp\KBDYAK.exe | C:\Windows\SysWOW64\NapiNSP\UIManagerBrokerps.exe |
| PID 2980 wrote to memory of 3624 | N/A | C:\Users\Admin\AppData\Local\Temp\KBDYAK.exe | C:\Windows\SysWOW64\NapiNSP\UIManagerBrokerps.exe |
| PID 2980 wrote to memory of 3624 | N/A | C:\Users\Admin\AppData\Local\Temp\KBDYAK.exe | C:\Windows\SysWOW64\NapiNSP\UIManagerBrokerps.exe |
Processes
C:\Users\Admin\AppData\Local\Temp\KBDYAK.exe
"C:\Users\Admin\AppData\Local\Temp\KBDYAK.exe"
C:\Windows\SysWOW64\NapiNSP\UIManagerBrokerps.exe
"C:\Windows\SysWOW64\NapiNSP\UIManagerBrokerps.exe"
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | g.bing.com | udp |
| US | 204.79.197.200:443 | g.bing.com | tcp |
| US | 8.8.8.8:53 | 134.32.126.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 13.86.106.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 9.228.82.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 41.110.16.96.in-addr.arpa | udp |
| CA | 67.68.210.95:80 | tcp | |
| US | 8.8.8.8:53 | 28.118.140.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 183.59.114.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 228.249.119.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 206.23.85.13.in-addr.arpa | udp |
| US | 162.241.242.173:8080 | tcp | |
| US | 8.8.8.8:53 | 217.135.221.88.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 209.78.101.95.in-addr.arpa | udp |
| US | 45.55.36.51:443 | 45.55.36.51 | tcp |
| US | 8.8.8.8:53 | 51.36.55.45.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 88.156.103.20.in-addr.arpa | udp |
| US | 45.55.219.163:443 | tcp | |
| US | 8.8.8.8:53 | 31.243.111.52.in-addr.arpa | udp |
| US | 68.188.112.97:80 | tcp | |
| US | 8.8.8.8:53 | tse1.mm.bing.net | udp |
| US | 8.8.8.8:53 | 138.201.86.20.in-addr.arpa | udp |
| US | 204.79.197.200:443 | tse1.mm.bing.net | tcp |
| US | 204.79.197.200:443 | tse1.mm.bing.net | tcp |
| US | 204.79.197.200:443 | tse1.mm.bing.net | tcp |
| US | 204.79.197.200:443 | tse1.mm.bing.net | tcp |
| FR | 46.105.131.79:8080 | tcp |
Files
memory/2980-0-0x0000000002360000-0x000000000236C000-memory.dmp
memory/2980-3-0x0000000002300000-0x0000000002309000-memory.dmp
memory/2980-2-0x00000000022F0000-0x00000000022F1000-memory.dmp
C:\Windows\SysWOW64\NapiNSP\UIManagerBrokerps.exe
| MD5 | a4513379dad5233afa402cc56a8b9222 |
| SHA1 | 805727279208de9cf49e6374b1f3a6dc0052620e |
| SHA256 | ccd380ea868ffad4f960d7455fecf88c2ac3550001bbb6c21c31ae70b3bbf4f6 |
| SHA512 | 10b23a9721bc9692f225a864f541d722761e622ff94e92f08c367a14fb7398199d4f4d3895ca456064889871246c6cbfc15fb2e593be21f384fb49e084cf3f9f |
memory/3624-7-0x00000000021D0000-0x00000000021DC000-memory.dmp
memory/3624-11-0x00000000021D0000-0x00000000021DC000-memory.dmp