Analysis Overview
SHA256
57bbc327c41c66b949c266e425d22344101df9064d3784d5c0ec600af9af9efa
Threat Level: Likely malicious
The file 4ddfa1d452b4901aec55543c3cbd0ce9 was found to be: Likely malicious.
Malicious Activity Summary
Suspicious Office macro
Enumerates system info in registry
Suspicious behavior: AddClipboardFormatListener
Suspicious use of FindShellTrayWindow
Suspicious use of SetWindowsHookEx
Modifies Internet Explorer settings
Checks processor information in registry
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2023-12-26 02:49
Signatures
Suspicious Office macro
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral2
Detonation Overview
Submitted
2023-12-26 02:49
Reported
2023-12-27 05:05
Platform
win10v2004-20231215-en
Max time kernel
160s
Max time network
170s
Command Line
Signatures
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 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
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\4ddfa1d452b4901aec55543c3cbd0ce9.xls"
Network
| Country | Destination | Domain | Proto |
| NL | 52.142.223.178:80 | tcp | |
| US | 8.8.8.8:53 | 158.240.127.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 194.178.17.96.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 240.76.109.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 71.31.126.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 95.221.229.192.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 241.154.82.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 41.110.16.96.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 15.173.189.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 2.136.104.51.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 157.123.68.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 206.23.85.13.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 86.23.85.13.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 18.134.221.88.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 79.121.231.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 205.47.74.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | tse1.mm.bing.net | udp |
| US | 204.79.197.200:443 | tse1.mm.bing.net | tcp |
| US | 204.79.197.200:443 | tse1.mm.bing.net | tcp |
| US | 8.8.8.8:53 | 200.197.79.204.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 240.221.184.93.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 13.227.111.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 91.16.208.104.in-addr.arpa | udp |
Files
memory/4748-0-0x00007FFC29650000-0x00007FFC29660000-memory.dmp
memory/4748-2-0x00007FFC695D0000-0x00007FFC697C5000-memory.dmp
memory/4748-1-0x00007FFC29650000-0x00007FFC29660000-memory.dmp
memory/4748-3-0x00007FFC29650000-0x00007FFC29660000-memory.dmp
memory/4748-4-0x00007FFC695D0000-0x00007FFC697C5000-memory.dmp
memory/4748-5-0x00007FFC29650000-0x00007FFC29660000-memory.dmp
memory/4748-6-0x00007FFC695D0000-0x00007FFC697C5000-memory.dmp
memory/4748-7-0x00007FFC29650000-0x00007FFC29660000-memory.dmp
memory/4748-8-0x00007FFC695D0000-0x00007FFC697C5000-memory.dmp
memory/4748-10-0x00007FFC695D0000-0x00007FFC697C5000-memory.dmp
memory/4748-11-0x00007FFC695D0000-0x00007FFC697C5000-memory.dmp
memory/4748-14-0x00007FFC695D0000-0x00007FFC697C5000-memory.dmp
memory/4748-16-0x00007FFC695D0000-0x00007FFC697C5000-memory.dmp
memory/4748-15-0x00007FFC695D0000-0x00007FFC697C5000-memory.dmp
memory/4748-13-0x00007FFC695D0000-0x00007FFC697C5000-memory.dmp
memory/4748-12-0x00007FFC272F0000-0x00007FFC27300000-memory.dmp
memory/4748-9-0x00007FFC695D0000-0x00007FFC697C5000-memory.dmp
memory/4748-17-0x00007FFC272F0000-0x00007FFC27300000-memory.dmp
memory/4748-27-0x00007FFC695D0000-0x00007FFC697C5000-memory.dmp
memory/4748-28-0x00007FFC695D0000-0x00007FFC697C5000-memory.dmp
memory/4748-29-0x00007FFC695D0000-0x00007FFC697C5000-memory.dmp
memory/4748-30-0x00007FFC695D0000-0x00007FFC697C5000-memory.dmp
memory/4748-31-0x00007FFC695D0000-0x00007FFC697C5000-memory.dmp
memory/4748-32-0x00007FFC695D0000-0x00007FFC697C5000-memory.dmp
memory/4748-34-0x00007FFC695D0000-0x00007FFC697C5000-memory.dmp
memory/4748-33-0x00007FFC695D0000-0x00007FFC697C5000-memory.dmp
memory/4748-35-0x00007FFC695D0000-0x00007FFC697C5000-memory.dmp
memory/4748-36-0x00007FFC695D0000-0x00007FFC697C5000-memory.dmp
memory/4748-37-0x00007FFC695D0000-0x00007FFC697C5000-memory.dmp
memory/4748-38-0x00007FFC695D0000-0x00007FFC697C5000-memory.dmp
memory/4748-39-0x00007FFC695D0000-0x00007FFC697C5000-memory.dmp
memory/4748-40-0x00007FFC695D0000-0x00007FFC697C5000-memory.dmp
memory/4748-41-0x00007FFC695D0000-0x00007FFC697C5000-memory.dmp
Analysis: behavioral1
Detonation Overview
Submitted
2023-12-26 02:49
Reported
2023-12-27 05:05
Platform
win7-20231215-en
Max time kernel
141s
Max time network
119s
Command Line
Signatures
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-1-5-21-3601492379-692465709-652514833-1000\Software\Microsoft\Internet Explorer\MenuExt\Se&nd to OneNote | C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE | N/A |
| Set value (str) | \REGISTRY\USER\S-1-5-21-3601492379-692465709-652514833-1000\Software\Microsoft\Internet Explorer\MenuExt\E&xport to Microsoft Excel\ = "res://C:\\PROGRA~2\\MICROS~1\\Office14\\EXCEL.EXE/3000" | C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE | N/A |
| Set value (str) | \REGISTRY\USER\S-1-5-21-3601492379-692465709-652514833-1000\Software\Microsoft\Internet Explorer\MenuExt\Se&nd to OneNote\ = "res://C:\\PROGRA~2\\MICROS~1\\Office14\\ONBttnIE.dll/105" | C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE | N/A |
| Set value (int) | \REGISTRY\USER\S-1-5-21-3601492379-692465709-652514833-1000\Software\Microsoft\Internet Explorer\MenuExt\Se&nd to OneNote\Contexts = "55" | C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE | N/A |
| Key created | \REGISTRY\USER\S-1-5-21-3601492379-692465709-652514833-1000\Software\Microsoft\Internet Explorer\MenuExt\E&xport to Microsoft Excel | C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE | N/A |
| Set value (int) | \REGISTRY\USER\S-1-5-21-3601492379-692465709-652514833-1000\Software\Microsoft\Internet Explorer\MenuExt\E&xport to Microsoft Excel\Contexts = "1" | C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE | N/A |
| Key created | \REGISTRY\USER\S-1-5-21-3601492379-692465709-652514833-1000\Software\Microsoft\Internet Explorer\Toolbar | C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE | N/A |
| Set value (str) | \REGISTRY\USER\S-1-5-21-3601492379-692465709-652514833-1000\Software\Microsoft\Internet Explorer\Toolbar\ShowDiscussionButton = "Yes" | C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE | N/A |
| Key created | \REGISTRY\USER\S-1-5-21-3601492379-692465709-652514833-1000\Software\Microsoft\Internet Explorer\MenuExt | 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 FindShellTrayWindow
| 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 |
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\4ddfa1d452b4901aec55543c3cbd0ce9.xls
Network
Files
memory/2076-0-0x000000005FFF0000-0x0000000060000000-memory.dmp
memory/2076-1-0x0000000072A8D000-0x0000000072A98000-memory.dmp
memory/2076-2-0x0000000072A8D000-0x0000000072A98000-memory.dmp