Analysis Overview
SHA256
d3dbd89bf43c2ade8f0c590ab831f5a3b200bb5bf370a13450523ef9f094437f
Threat Level: Known bad
The file d3dbd89bf43c2ade8f0c590ab831f5a3b200bb5bf370a13450523ef9f094437f was found to be: Known bad.
Malicious Activity Summary
Bazar Loader
Process spawned unexpected child process
Bazar/Team9 Loader payload
Loads dropped DLL
Enumerates system info in registry
Suspicious behavior: AddClipboardFormatListener
Checks processor information in registry
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
MITRE ATT&CK
Enterprise Matrix V6
Analysis: static1
Detonation Overview
Reported
2022-01-19 12:50
Signatures
Analysis: behavioral1
Detonation Overview
Submitted
2022-01-19 12:50
Reported
2022-01-19 12:53
Platform
win10-en-20211208
Max time kernel
118s
Max time network
136s
Command Line
Signatures
Bazar Loader
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\rundll32.exe | C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE |
Bazar/Team9 Loader payload
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Loads dropped DLL
| 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:\Windows\SYSTEM32\rundll32.exe | N/A |
Checks processor information in registry
| Description | Indicator | Process | Target |
| 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 |
| Key opened | \REGISTRY\MACHINE\Hardware\Description\System\CentralProcessor\0 | 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 |
Suspicious use of WriteProcessMemory
| Description | Indicator | Process | Target |
| PID 3996 wrote to memory of 4984 | N/A | C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE | C:\Windows\SYSTEM32\rundll32.exe |
| PID 3996 wrote to memory of 4984 | N/A | C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE | C:\Windows\SYSTEM32\rundll32.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\d3dbd89bf43c2ade8f0c590ab831f5a3b200bb5bf370a13450523ef9f094437f.xll"
C:\Windows\SYSTEM32\rundll32.exe
rundll32 C:\Users\Admin\JavaObjectReflectiveP.dll , dopt
Network
| Country | Destination | Domain | Proto |
| US | 209.197.3.8:80 | tcp |
Files
memory/3996-115-0x00007FFA98310000-0x00007FFA98320000-memory.dmp
memory/3996-116-0x00007FFA98310000-0x00007FFA98320000-memory.dmp
memory/3996-117-0x00007FFA98310000-0x00007FFA98320000-memory.dmp
memory/3996-118-0x00007FFA98310000-0x00007FFA98320000-memory.dmp
memory/3996-119-0x00007FFA98310000-0x00007FFA98320000-memory.dmp
memory/3996-128-0x00007FFA94C50000-0x00007FFA94C60000-memory.dmp
memory/3996-129-0x00007FFA94C50000-0x00007FFA94C60000-memory.dmp
\Users\Admin\AppData\Local\Temp\d3dbd89bf43c2ade8f0c590ab831f5a3b200bb5bf370a13450523ef9f094437f.xll
| MD5 | bd4953dbce803a724515c75235cd92c0 |
| SHA1 | 2a5b7dc3122d036ce3d1afa22b2fc26c15841b11 |
| SHA256 | d3dbd89bf43c2ade8f0c590ab831f5a3b200bb5bf370a13450523ef9f094437f |
| SHA512 | 9569783104c9ba89bc2b86f99f2b10a156f372c31f5b90300d89f192fdfb2b07ef2ada2fb3dfe3bc52fc31b3ef8bd3678431c4b9b5b5b0a87ec1ab30e352ca82 |
\Users\Admin\AppData\Local\Temp\d3dbd89bf43c2ade8f0c590ab831f5a3b200bb5bf370a13450523ef9f094437f.xll
| MD5 | bd4953dbce803a724515c75235cd92c0 |
| SHA1 | 2a5b7dc3122d036ce3d1afa22b2fc26c15841b11 |
| SHA256 | d3dbd89bf43c2ade8f0c590ab831f5a3b200bb5bf370a13450523ef9f094437f |
| SHA512 | 9569783104c9ba89bc2b86f99f2b10a156f372c31f5b90300d89f192fdfb2b07ef2ada2fb3dfe3bc52fc31b3ef8bd3678431c4b9b5b5b0a87ec1ab30e352ca82 |
C:\Users\Admin\JavaObjectReflectiveP.dll
| MD5 | f6453b96062899db68e9dc07bf1ec29c |
| SHA1 | 34e72fdc6558c69b46b4687ef966bce592620331 |
| SHA256 | 6485eeae76c4c39b338c11061a5275879d0acdc97edecc45bfa551bcb7294e2a |
| SHA512 | 55f4d10507ecc035871b077aabbc6459bc43a08e45f99721c696dff895eda4c09f088b16d359d6ede8c1fcea465cc0fd3b7444312895014892be24ed9f1ab748 |
\Users\Admin\JavaObjectReflectiveP.dll
| MD5 | f6453b96062899db68e9dc07bf1ec29c |
| SHA1 | 34e72fdc6558c69b46b4687ef966bce592620331 |
| SHA256 | 6485eeae76c4c39b338c11061a5275879d0acdc97edecc45bfa551bcb7294e2a |
| SHA512 | 55f4d10507ecc035871b077aabbc6459bc43a08e45f99721c696dff895eda4c09f088b16d359d6ede8c1fcea465cc0fd3b7444312895014892be24ed9f1ab748 |
memory/4984-263-0x0000000180000000-0x000000018003C000-memory.dmp
memory/3996-303-0x00007FFA98310000-0x00007FFA98320000-memory.dmp
memory/3996-304-0x00007FFA98310000-0x00007FFA98320000-memory.dmp
memory/3996-305-0x00007FFA98310000-0x00007FFA98320000-memory.dmp
memory/3996-306-0x00007FFA98310000-0x00007FFA98320000-memory.dmp