Analysis Overview
SHA256
2aa56f6c95a4d7f845689be16632d2b8833df88188387a1450cd13775ab6a3a5
Threat Level: Known bad
The file 2aa56f6c95a4d7f845689be16632d2b8833df88188387a1450cd13775ab6a3a5 was found to be: Known bad.
Malicious Activity Summary
Process spawned unexpected child process
Suspicious Office macro
System Location Discovery: System Language Discovery
Checks processor information in registry
Enumerates system info in registry
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Suspicious behavior: AddClipboardFormatListener
Suspicious use of FindShellTrayWindow
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2024-11-11 21:50
Signatures
Suspicious Office macro
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral2
Detonation Overview
Submitted
2024-11-11 21:50
Reported
2024-11-11 21:51
Platform
win10v2004-20241007-en
Max time kernel
47s
Max time network
36s
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\SysWow64\regsvr32.exe | C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE |
System Location Discovery: System Language Discovery
| Description | Indicator | Process | Target |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Windows\SysWow64\regsvr32.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 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 |
| Key opened | \REGISTRY\MACHINE\Hardware\Description\System\BIOS | 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 FindShellTrayWindow
| 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 |
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 5020 wrote to memory of 2584 | N/A | C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE | C:\Windows\SysWow64\regsvr32.exe |
| PID 5020 wrote to memory of 2584 | N/A | C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE | C:\Windows\SysWow64\regsvr32.exe |
| PID 5020 wrote to memory of 2584 | N/A | C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE | C:\Windows\SysWow64\regsvr32.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\2aa56f6c95a4d7f845689be16632d2b8833df88188387a1450cd13775ab6a3a5.xls"
C:\Windows\SysWow64\regsvr32.exe
C:\Windows\SysWow64\regsvr32.exe -s ..\txdn.dll
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | 133.211.185.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 18.89.109.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | roaming.officeapps.live.com | udp |
| GB | 52.109.32.7:443 | roaming.officeapps.live.com | tcp |
| US | 8.8.8.8:53 | dlfreight.com | udp |
| US | 104.18.211.89:80 | dlfreight.com | tcp |
| US | 104.18.211.89:443 | dlfreight.com | tcp |
| US | 8.8.8.8:53 | c.pki.goog | udp |
| GB | 142.250.187.195:80 | c.pki.goog | tcp |
| US | 8.8.8.8:53 | 7.32.109.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 95.221.229.192.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 22.160.190.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 89.211.18.104.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 195.187.250.142.in-addr.arpa | udp |
| US | 8.8.8.8:53 | hadramout21.com | udp |
| US | 8.8.8.8:53 | groupesther.com | udp |
| US | 8.8.8.8:53 | datainline.com | udp |
| AR | 200.110.156.200:80 | datainline.com | tcp |
| US | 8.8.8.8:53 | greycoconut.com | udp |
| IN | 180.149.241.246:80 | greycoconut.com | tcp |
| US | 8.8.8.8:53 | www.greycoconut.com | udp |
| IN | 180.149.241.246:80 | www.greycoconut.com | tcp |
| US | 8.8.8.8:53 | 200.156.110.200.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 246.241.149.180.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 253.15.104.51.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 13.86.106.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 212.20.149.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 15.164.165.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 0.205.248.87.in-addr.arpa | udp |
Files
memory/5020-0-0x00007FFC718ED000-0x00007FFC718EE000-memory.dmp
memory/5020-1-0x00007FFC318D0000-0x00007FFC318E0000-memory.dmp
memory/5020-3-0x00007FFC318D0000-0x00007FFC318E0000-memory.dmp
memory/5020-2-0x00007FFC318D0000-0x00007FFC318E0000-memory.dmp
memory/5020-6-0x00007FFC71850000-0x00007FFC71A45000-memory.dmp
memory/5020-5-0x00007FFC71850000-0x00007FFC71A45000-memory.dmp
memory/5020-12-0x00007FFC71850000-0x00007FFC71A45000-memory.dmp
memory/5020-11-0x00007FFC71850000-0x00007FFC71A45000-memory.dmp
memory/5020-10-0x00007FFC71850000-0x00007FFC71A45000-memory.dmp
memory/5020-13-0x00007FFC2EF70000-0x00007FFC2EF80000-memory.dmp
memory/5020-9-0x00007FFC71850000-0x00007FFC71A45000-memory.dmp
memory/5020-8-0x00007FFC71850000-0x00007FFC71A45000-memory.dmp
memory/5020-4-0x00007FFC318D0000-0x00007FFC318E0000-memory.dmp
memory/5020-14-0x00007FFC2EF70000-0x00007FFC2EF80000-memory.dmp
memory/5020-7-0x00007FFC318D0000-0x00007FFC318E0000-memory.dmp
C:\Users\Admin\txdn.dll
| MD5 | 3b79e62476916ff33ddc0668a0898e6d |
| SHA1 | fe4f73a8019a0407cec5e2eb0c344adc4ab73bae |
| SHA256 | 418099d0e61f486fc52144bd0b16c8833b893eb9203163835c59045ca9782b81 |
| SHA512 | 3b42ec3d6c8d68824e43ea8bd0b62c4434fd995f8dc93c3a278e229168b080c5920b226c02236bd98cd7ddadab19536dd05a4e4f35323393ac9ef766b0759bfa |
memory/5020-36-0x00007FFC71850000-0x00007FFC71A45000-memory.dmp
memory/5020-37-0x00007FFC718ED000-0x00007FFC718EE000-memory.dmp
memory/5020-38-0x00007FFC71850000-0x00007FFC71A45000-memory.dmp
memory/5020-39-0x00007FFC71850000-0x00007FFC71A45000-memory.dmp
memory/5020-43-0x00007FFC71850000-0x00007FFC71A45000-memory.dmp
Analysis: behavioral1
Detonation Overview
Submitted
2024-11-11 21:50
Reported
2024-11-11 21:51
Platform
win7-20240903-en
Max time kernel
31s
Max time network
32s
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\regsvr32.exe | C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE |
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\regsvr32.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 |
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 2280 wrote to memory of 2440 | N/A | C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE | C:\Windows\SysWow64\regsvr32.exe |
| PID 2280 wrote to memory of 2440 | N/A | C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE | C:\Windows\SysWow64\regsvr32.exe |
| PID 2280 wrote to memory of 2440 | N/A | C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE | C:\Windows\SysWow64\regsvr32.exe |
| PID 2280 wrote to memory of 2440 | N/A | C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE | C:\Windows\SysWow64\regsvr32.exe |
| PID 2280 wrote to memory of 2440 | N/A | C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE | C:\Windows\SysWow64\regsvr32.exe |
| PID 2280 wrote to memory of 2440 | N/A | C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE | C:\Windows\SysWow64\regsvr32.exe |
| PID 2280 wrote to memory of 2440 | N/A | C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE | C:\Windows\SysWow64\regsvr32.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\2aa56f6c95a4d7f845689be16632d2b8833df88188387a1450cd13775ab6a3a5.xls
C:\Windows\SysWow64\regsvr32.exe
C:\Windows\SysWow64\regsvr32.exe -s ..\txdn.dll
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | dlfreight.com | udp |
| US | 104.18.211.89:80 | dlfreight.com | tcp |
| US | 104.18.211.89:443 | dlfreight.com | tcp |
| US | 8.8.8.8:53 | c.pki.goog | udp |
| GB | 142.250.187.195:80 | c.pki.goog | tcp |
| US | 8.8.8.8:53 | hadramout21.com | udp |
| US | 8.8.8.8:53 | groupesther.com | udp |
| US | 8.8.8.8:53 | datainline.com | udp |
| AR | 200.110.156.200:80 | datainline.com | tcp |
| US | 8.8.8.8:53 | greycoconut.com | udp |
| IN | 180.149.241.246:80 | greycoconut.com | tcp |
| US | 8.8.8.8:53 | www.greycoconut.com | udp |
| IN | 180.149.241.246:80 | www.greycoconut.com | tcp |
| US | 8.8.8.8:53 | crl.microsoft.com | udp |
| GB | 2.19.117.18:80 | crl.microsoft.com | tcp |
Files
memory/2280-1-0x000000007221D000-0x0000000072228000-memory.dmp
memory/2280-0-0x000000005FFF0000-0x0000000060000000-memory.dmp
memory/2280-18-0x000000007221D000-0x0000000072228000-memory.dmp
C:\Users\Admin\txdn.dll
| MD5 | 3b79e62476916ff33ddc0668a0898e6d |
| SHA1 | fe4f73a8019a0407cec5e2eb0c344adc4ab73bae |
| SHA256 | 418099d0e61f486fc52144bd0b16c8833b893eb9203163835c59045ca9782b81 |
| SHA512 | 3b42ec3d6c8d68824e43ea8bd0b62c4434fd995f8dc93c3a278e229168b080c5920b226c02236bd98cd7ddadab19536dd05a4e4f35323393ac9ef766b0759bfa |