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 behavior: EnumeratesProcesses
Suspicious behavior: RenamesItself
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2024-03-25 15:37
Signatures
Unsigned PE
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral1
Detonation Overview
Submitted
2024-03-25 15:37
Reported
2024-03-25 15:39
Platform
win7-20240221-en
Max time kernel
149s
Max time network
153s
Command Line
Signatures
Emotet
Executes dropped EXE
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\dbghelp\setupcln.exe | N/A |
Drops file in System32 directory
| Description | Indicator | Process | Target |
| File opened for modification | C:\Windows\SysWOW64\dbghelp\setupcln.exe | C:\Users\Admin\AppData\Local\Temp\KBDYAK.exe | N/A |
Enumerates physical storage devices
Modifies system certificate store
| Description | Indicator | Process | Target |
| Key created | \REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\ROOT\Certificates\CABD2A79A1076A31F21D253635CB039D4329A5E8 | C:\Windows\SysWOW64\dbghelp\setupcln.exe | N/A |
| Set value (data) | \REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\ROOT\Certificates\CABD2A79A1076A31F21D253635CB039D4329A5E8\Blob = 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 | C:\Windows\SysWOW64\dbghelp\setupcln.exe | N/A |
Suspicious behavior: EnumeratesProcesses
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\dbghelp\setupcln.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\dbghelp\setupcln.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\dbghelp\setupcln.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\dbghelp\setupcln.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\dbghelp\setupcln.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\dbghelp\setupcln.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\dbghelp\setupcln.exe | N/A |
Suspicious use of WriteProcessMemory
| Description | Indicator | Process | Target |
| PID 1932 wrote to memory of 1756 | N/A | C:\Users\Admin\AppData\Local\Temp\KBDYAK.exe | C:\Windows\SysWOW64\dbghelp\setupcln.exe |
| PID 1932 wrote to memory of 1756 | N/A | C:\Users\Admin\AppData\Local\Temp\KBDYAK.exe | C:\Windows\SysWOW64\dbghelp\setupcln.exe |
| PID 1932 wrote to memory of 1756 | N/A | C:\Users\Admin\AppData\Local\Temp\KBDYAK.exe | C:\Windows\SysWOW64\dbghelp\setupcln.exe |
| PID 1932 wrote to memory of 1756 | N/A | C:\Users\Admin\AppData\Local\Temp\KBDYAK.exe | C:\Windows\SysWOW64\dbghelp\setupcln.exe |
| PID 1932 wrote to memory of 1756 | N/A | C:\Users\Admin\AppData\Local\Temp\KBDYAK.exe | C:\Windows\SysWOW64\dbghelp\setupcln.exe |
| PID 1932 wrote to memory of 1756 | N/A | C:\Users\Admin\AppData\Local\Temp\KBDYAK.exe | C:\Windows\SysWOW64\dbghelp\setupcln.exe |
| PID 1932 wrote to memory of 1756 | N/A | C:\Users\Admin\AppData\Local\Temp\KBDYAK.exe | C:\Windows\SysWOW64\dbghelp\setupcln.exe |
Processes
C:\Users\Admin\AppData\Local\Temp\KBDYAK.exe
"C:\Users\Admin\AppData\Local\Temp\KBDYAK.exe"
C:\Windows\SysWOW64\dbghelp\setupcln.exe
"C:\Windows\SysWOW64\dbghelp\setupcln.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/1932-1-0x0000000000240000-0x0000000000241000-memory.dmp
memory/1932-0-0x0000000000270000-0x000000000027C000-memory.dmp
memory/1932-2-0x0000000000250000-0x0000000000259000-memory.dmp
C:\Windows\SysWOW64\dbghelp\setupcln.exe
| MD5 | a4513379dad5233afa402cc56a8b9222 |
| SHA1 | 805727279208de9cf49e6374b1f3a6dc0052620e |
| SHA256 | ccd380ea868ffad4f960d7455fecf88c2ac3550001bbb6c21c31ae70b3bbf4f6 |
| SHA512 | 10b23a9721bc9692f225a864f541d722761e622ff94e92f08c367a14fb7398199d4f4d3895ca456064889871246c6cbfc15fb2e593be21f384fb49e084cf3f9f |
memory/1756-7-0x0000000000370000-0x000000000037C000-memory.dmp
memory/1756-11-0x0000000000370000-0x000000000037C000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2024-03-25 15:37
Reported
2024-03-25 15:39
Platform
win10v2004-20240226-en
Max time kernel
149s
Max time network
150s
Command Line
Signatures
Emotet
Executes dropped EXE
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\updatepolicy\Windows.UI.CredDialogController.exe | N/A |
Drops file in System32 directory
| Description | Indicator | Process | Target |
| File opened for modification | C:\Windows\SysWOW64\updatepolicy\Windows.UI.CredDialogController.exe | C:\Users\Admin\AppData\Local\Temp\KBDYAK.exe | N/A |
Enumerates physical storage devices
Suspicious behavior: EnumeratesProcesses
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\updatepolicy\Windows.UI.CredDialogController.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\updatepolicy\Windows.UI.CredDialogController.exe | N/A |
Suspicious use of WriteProcessMemory
| Description | Indicator | Process | Target |
| PID 3056 wrote to memory of 3956 | N/A | C:\Users\Admin\AppData\Local\Temp\KBDYAK.exe | C:\Windows\SysWOW64\updatepolicy\Windows.UI.CredDialogController.exe |
| PID 3056 wrote to memory of 3956 | N/A | C:\Users\Admin\AppData\Local\Temp\KBDYAK.exe | C:\Windows\SysWOW64\updatepolicy\Windows.UI.CredDialogController.exe |
| PID 3056 wrote to memory of 3956 | N/A | C:\Users\Admin\AppData\Local\Temp\KBDYAK.exe | C:\Windows\SysWOW64\updatepolicy\Windows.UI.CredDialogController.exe |
Processes
C:\Users\Admin\AppData\Local\Temp\KBDYAK.exe
"C:\Users\Admin\AppData\Local\Temp\KBDYAK.exe"
C:\Windows\SysWOW64\updatepolicy\Windows.UI.CredDialogController.exe
"C:\Windows\SysWOW64\updatepolicy\Windows.UI.CredDialogController.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 | 228.249.119.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 203.178.17.96.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 241.154.82.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 88.156.103.20.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 | 157.123.68.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 15.164.165.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 217.135.221.88.in-addr.arpa | udp |
| US | 162.241.242.173:8080 | tcp | |
| 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 | 45.55.219.163:443 | tcp | |
| US | 8.8.8.8:53 | 55.36.223.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 198.178.17.96.in-addr.arpa | udp |
| US | 68.188.112.97:80 | tcp | |
| US | 8.8.8.8:53 | 30.243.111.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | tse1.mm.bing.net | 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 |
| US | 204.79.197.200:443 | tse1.mm.bing.net | tcp |
| FR | 46.105.131.79:8080 | tcp | |
| RU | 78.24.219.147:8080 | tcp |
Files
memory/3056-0-0x0000000002340000-0x000000000234C000-memory.dmp
memory/3056-4-0x00000000022E0000-0x00000000022E1000-memory.dmp
memory/3056-5-0x0000000002330000-0x0000000002339000-memory.dmp
C:\Windows\SysWOW64\updatepolicy\Windows.UI.CredDialogController.exe
| MD5 | a4513379dad5233afa402cc56a8b9222 |
| SHA1 | 805727279208de9cf49e6374b1f3a6dc0052620e |
| SHA256 | ccd380ea868ffad4f960d7455fecf88c2ac3550001bbb6c21c31ae70b3bbf4f6 |
| SHA512 | 10b23a9721bc9692f225a864f541d722761e622ff94e92f08c367a14fb7398199d4f4d3895ca456064889871246c6cbfc15fb2e593be21f384fb49e084cf3f9f |
memory/3956-7-0x0000000000640000-0x000000000064C000-memory.dmp
memory/3956-11-0x0000000000640000-0x000000000064C000-memory.dmp