Analysis Overview
SHA256
da385110321ef4da4d3660452118bda7c598c38f4b7ccf577cb67c266bdf2c61
Threat Level: Known bad
The file task1.zip was found to be: Known bad.
Malicious Activity Summary
Emotet
Emotet payload
Executes dropped EXE
Drops file in System32 directory
Unsigned PE
Enumerates physical storage devices
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: RenamesItself
Suspicious use of WriteProcessMemory
Modifies registry class
Suspicious use of SetWindowsHookEx
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2024-03-12 20:03
Signatures
Unsigned PE
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral1
Detonation Overview
Submitted
2024-03-12 20:03
Reported
2024-03-12 20:07
Platform
win10-20240221-en
Max time kernel
201s
Max time network
221s
Command Line
Signatures
Emotet
Emotet payload
| 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 |
| 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:\Windows\SysWOW64\dmcmnutils\tbs.exe | N/A |
Drops file in System32 directory
| Description | Indicator | Process | Target |
| File opened for modification | C:\Windows\SysWOW64\dmcmnutils\tbs.exe | C:\Users\Admin\AppData\Local\Temp\task1.exe | N/A |
Enumerates physical storage devices
Modifies registry class
| Description | Indicator | Process | Target |
| Key created | \REGISTRY\USER\S-1-5-21-1531961169-1615826105-2188682873-1000_Classes\Local Settings | C:\Windows\explorer.exe | N/A |
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: RenamesItself
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\task1.exe | N/A |
Suspicious use of SetWindowsHookEx
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\task1.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\task1.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\dmcmnutils\tbs.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\dmcmnutils\tbs.exe | N/A |
Suspicious use of WriteProcessMemory
| Description | Indicator | Process | Target |
| PID 680 wrote to memory of 2920 | N/A | C:\Users\Admin\AppData\Local\Temp\task1.exe | C:\Windows\SysWOW64\dmcmnutils\tbs.exe |
| PID 680 wrote to memory of 2920 | N/A | C:\Users\Admin\AppData\Local\Temp\task1.exe | C:\Windows\SysWOW64\dmcmnutils\tbs.exe |
| PID 680 wrote to memory of 2920 | N/A | C:\Users\Admin\AppData\Local\Temp\task1.exe | C:\Windows\SysWOW64\dmcmnutils\tbs.exe |
Processes
C:\Users\Admin\AppData\Local\Temp\task1.exe
"C:\Users\Admin\AppData\Local\Temp\task1.exe"
C:\Windows\SysWOW64\dmcmnutils\tbs.exe
"C:\Windows\SysWOW64\dmcmnutils\tbs.exe"
C:\Windows\System32\rundll32.exe
C:\Windows\System32\rundll32.exe C:\Windows\System32\shell32.dll,SHCreateLocalServerRunDll {9aa46009-3ce0-458a-a354-715610a075e6} -Embedding
C:\Windows\explorer.exe
"C:\Windows\explorer.exe" shell:::{52205fd8-5dfb-447d-801a-d0b52f2e83e1}
C:\Windows\explorer.exe
C:\Windows\explorer.exe /factory,{75dff2b7-6936-4c06-a8bb-676a7b00b24b} -Embedding
Network
| Country | Destination | Domain | Proto |
| US | 74.219.172.26:80 | tcp | |
| US | 134.209.36.254:8080 | tcp | |
| US | 104.156.59.7:8080 | tcp | |
| NZ | 120.138.30.150:8080 | tcp | |
| US | 8.8.8.8:53 | 11.227.111.52.in-addr.arpa | udp |
| BG | 194.187.133.160:443 | tcp | |
| US | 104.236.246.93:8080 | tcp | |
| US | 74.208.45.104:8080 | tcp | |
| US | 8.8.8.8:53 | 1.173.189.20.in-addr.arpa | udp |
| TR | 78.187.156.31:80 | tcp | |
| MX | 187.161.206.24:80 | tcp | |
| US | 8.8.8.8:53 | 0.204.248.87.in-addr.arpa | udp |
| FR | 94.23.216.33:80 | tcp | |
| US | 172.91.208.86:80 | tcp |
Files
memory/680-0-0x00000000006E0000-0x00000000006F2000-memory.dmp
memory/680-3-0x00000000005B0000-0x00000000005BF000-memory.dmp
memory/680-5-0x00000000005C0000-0x00000000005D0000-memory.dmp
C:\Windows\SysWOW64\dmcmnutils\tbs.exe
| MD5 | 2ba73d2d47cf2d388446b781613b7eff |
| SHA1 | c75c7eb4814835388881d1b4c2db67e64a023e1e |
| SHA256 | 06c6442d5bb110140ac1cdbcf1be52388441b9a0750d59b743acc6b52d19582b |
| SHA512 | 667ddc16765d8c3c3596bb734174862db1f2ac24037c361a2e37ec9824c35a8926728400025d62c62c361b1b1e1a9d1e3b4c38c2c5989eee832e083481e50caa |
memory/2920-9-0x0000000000A20000-0x0000000000A32000-memory.dmp
memory/2920-13-0x0000000000A40000-0x0000000000A50000-memory.dmp