Analysis Overview
SHA256
b43682bd8a61fc0041cb45810358fc8b51079049198ba3ce47f98bd45c8d6b23
Threat Level: Likely malicious
The file b43682bd8a61fc0041cb45810358fc8b51079049198ba3ce47f98bd45c8d6b23 was found to be: Likely malicious.
Malicious Activity Summary
Office macro that triggers on suspicious action
Suspicious Office macro
Drops file in Drivers directory
System Location Discovery: System Language Discovery
Office loads VBA resources, possible macro or embedded object present
Enumerates system info in registry
Suspicious behavior: AddClipboardFormatListener
Suspicious use of SetWindowsHookEx
Checks processor information in registry
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2024-08-04 22:08
Signatures
Office macro that triggers on suspicious action
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Suspicious Office macro
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral1
Detonation Overview
Submitted
2024-08-04 22:08
Reported
2024-08-04 22:09
Platform
win7-20240704-en
Max time kernel
22s
Max time network
16s
Command Line
Signatures
Drops file in Drivers directory
| Description | Indicator | Process | Target |
| File opened for modification | C:\Windows\system32\drivers\etc\hosts | C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.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 |
Office loads VBA resources, possible macro or embedded object present
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 |
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\b43682bd8a61fc0041cb45810358fc8b51079049198ba3ce47f98bd45c8d6b23.xls
Network
Files
memory/2672-0-0x000000005FFF0000-0x0000000060000000-memory.dmp
memory/2672-1-0x00000000728BD000-0x00000000728C8000-memory.dmp
memory/2672-39-0x0000000005FD0000-0x00000000060D0000-memory.dmp
memory/2672-40-0x0000000005FD0000-0x00000000060D0000-memory.dmp
memory/2672-41-0x0000000005FD0000-0x00000000060D0000-memory.dmp
memory/2672-49-0x0000000005FD0000-0x00000000060D0000-memory.dmp
memory/2672-50-0x00000000728BD000-0x00000000728C8000-memory.dmp
memory/2672-51-0x0000000005FD0000-0x00000000060D0000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2024-08-04 22:08
Reported
2024-08-04 22:09
Platform
win10v2004-20240802-en
Max time kernel
47s
Max time network
35s
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 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 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 |
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\b43682bd8a61fc0041cb45810358fc8b51079049198ba3ce47f98bd45c8d6b23.xls"
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | 46.28.109.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 17.160.190.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 43.58.199.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 252.15.104.51.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 157.123.68.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 15.164.165.52.in-addr.arpa | udp |
Files
memory/3908-0-0x00007FF8B7A30000-0x00007FF8B7A40000-memory.dmp
memory/3908-4-0x00007FF8B7A30000-0x00007FF8B7A40000-memory.dmp
memory/3908-2-0x00007FF8B7A30000-0x00007FF8B7A40000-memory.dmp
memory/3908-1-0x00007FF8B7A30000-0x00007FF8B7A40000-memory.dmp
memory/3908-5-0x00007FF8F7A4D000-0x00007FF8F7A4E000-memory.dmp
memory/3908-7-0x00007FF8F79B0000-0x00007FF8F7BA5000-memory.dmp
memory/3908-6-0x00007FF8F79B0000-0x00007FF8F7BA5000-memory.dmp
memory/3908-3-0x00007FF8B7A30000-0x00007FF8B7A40000-memory.dmp
memory/3908-8-0x00007FF8F79B0000-0x00007FF8F7BA5000-memory.dmp
memory/3908-10-0x00007FF8F79B0000-0x00007FF8F7BA5000-memory.dmp
memory/3908-11-0x00007FF8F79B0000-0x00007FF8F7BA5000-memory.dmp
memory/3908-12-0x00007FF8B5700000-0x00007FF8B5710000-memory.dmp
memory/3908-9-0x00007FF8F79B0000-0x00007FF8F7BA5000-memory.dmp
memory/3908-13-0x00007FF8B5700000-0x00007FF8B5710000-memory.dmp
memory/3908-15-0x00007FF8F79B0000-0x00007FF8F7BA5000-memory.dmp
memory/3908-14-0x00007FF8F79B0000-0x00007FF8F7BA5000-memory.dmp
memory/3908-19-0x00007FF8F79B0000-0x00007FF8F7BA5000-memory.dmp
memory/3908-18-0x00007FF8F79B0000-0x00007FF8F7BA5000-memory.dmp
memory/3908-17-0x00007FF8F79B0000-0x00007FF8F7BA5000-memory.dmp
memory/3908-16-0x00007FF8F79B0000-0x00007FF8F7BA5000-memory.dmp
C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\b8ab77100df80ab2.customDestinations-ms
| MD5 | 47a97765ebcd14b9a38d668770ff1767 |
| SHA1 | c3ed536b778bb721322bf13e8e4e51b457d48524 |
| SHA256 | 1ef473422c8622105b1eea9c10d10017c49919e46f56393e05fc8e2b8ce1c4c5 |
| SHA512 | 15ca197967be196e71046e2c9d457b00e9c11620cf3df3dffadd2ba5b2d95350b3dbea9df1799627ccbef5c94ed4f017bf96dd283a23ba30d370755dae4a7eae |
memory/3908-31-0x00007FF8F79B0000-0x00007FF8F7BA5000-memory.dmp