Analysis Overview
SHA256
2a44ed0a9fda586147fb82a9927090f745e68887712a29d34e4bb1c52a83fba3
Threat Level: Known bad
The file 2a44ed0a9fda586147fb82a9927090f745e68887712a29d34e4bb1c52a83fba3 was found to be: Known bad.
Malicious Activity Summary
Process spawned unexpected child process
Bazar Loader
Bazar/Team9 Loader payload
Blocklisted process makes network request
Loads dropped DLL
Suspicious behavior: AddClipboardFormatListener
Checks processor information in registry
Enumerates system info in registry
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
MITRE ATT&CK
Enterprise Matrix V6
Analysis: static1
Detonation Overview
Reported
2022-01-19 11:34
Signatures
Analysis: behavioral1
Detonation Overview
Submitted
2022-01-19 11:34
Reported
2022-01-19 11:36
Platform
win10-en-20211208
Max time kernel
140s
Max time network
152s
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 |
Blocklisted process makes network request
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SYSTEM32\rundll32.exe | N/A |
| N/A | N/A | C:\Windows\SYSTEM32\rundll32.exe | 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 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 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 3776 wrote to memory of 2948 | N/A | C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE | C:\Windows\SYSTEM32\rundll32.exe |
| PID 3776 wrote to memory of 2948 | 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\2a44ed0a9fda586147fb82a9927090f745e68887712a29d34e4bb1c52a83fba3.xll"
C:\Windows\SYSTEM32\rundll32.exe
rundll32 C:\Users\Admin\JavaObjectReflectR.dll , dopt
Network
| Country | Destination | Domain | Proto |
| UA | 91.201.202.219:443 | tcp | |
| NL | 194.147.115.132:443 | tcp |
Files
memory/3776-115-0x00007FFD467F0000-0x00007FFD46800000-memory.dmp
memory/3776-116-0x00007FFD467F0000-0x00007FFD46800000-memory.dmp
memory/3776-117-0x00007FFD467F0000-0x00007FFD46800000-memory.dmp
memory/3776-118-0x00007FFD467F0000-0x00007FFD46800000-memory.dmp
memory/3776-121-0x00007FFD467F0000-0x00007FFD46800000-memory.dmp
memory/3776-128-0x00007FFD43CA0000-0x00007FFD43CB0000-memory.dmp
memory/3776-129-0x00007FFD43CA0000-0x00007FFD43CB0000-memory.dmp
\Users\Admin\AppData\Local\Temp\2a44ed0a9fda586147fb82a9927090f745e68887712a29d34e4bb1c52a83fba3.xll
| MD5 | 3bd7357d0ba62270d8c3bcff6e335820 |
| SHA1 | 1619e10be5789fab0f69e26353ee0e9669b4c7ad |
| SHA256 | 2a44ed0a9fda586147fb82a9927090f745e68887712a29d34e4bb1c52a83fba3 |
| SHA512 | cf35c7a66feb38a01ab082d44d2153ad6f97349d210a07966f9b5154e94f121bbf2cf31dd7e499e54188f2a0857a1c92837e2de69b640e3e1adf0b04ee89e746 |
\Users\Admin\AppData\Local\Temp\2a44ed0a9fda586147fb82a9927090f745e68887712a29d34e4bb1c52a83fba3.xll
| MD5 | 3bd7357d0ba62270d8c3bcff6e335820 |
| SHA1 | 1619e10be5789fab0f69e26353ee0e9669b4c7ad |
| SHA256 | 2a44ed0a9fda586147fb82a9927090f745e68887712a29d34e4bb1c52a83fba3 |
| SHA512 | cf35c7a66feb38a01ab082d44d2153ad6f97349d210a07966f9b5154e94f121bbf2cf31dd7e499e54188f2a0857a1c92837e2de69b640e3e1adf0b04ee89e746 |
C:\Users\Admin\JavaObjectReflectR.dll
| MD5 | 6cdc65aaff63b216bcc9335cbadda1ca |
| SHA1 | a8555be399fe2b5045993bb82fce15a1b679eb5f |
| SHA256 | f8f6021460464490d9da511350f0e325a467cfb4c7e59bbf010e0b19a7b80c8d |
| SHA512 | d39420d472aba5f3938e9403f37a0c1dc37dfd7aea336cc3a8ceff0a7a70e53b4be9c7628df53d05da5fdb8a375a6a328689f0267d02540f1f8a6d02bf2caad4 |
\Users\Admin\JavaObjectReflectR.dll
| MD5 | 6cdc65aaff63b216bcc9335cbadda1ca |
| SHA1 | a8555be399fe2b5045993bb82fce15a1b679eb5f |
| SHA256 | f8f6021460464490d9da511350f0e325a467cfb4c7e59bbf010e0b19a7b80c8d |
| SHA512 | d39420d472aba5f3938e9403f37a0c1dc37dfd7aea336cc3a8ceff0a7a70e53b4be9c7628df53d05da5fdb8a375a6a328689f0267d02540f1f8a6d02bf2caad4 |
memory/2948-259-0x0000000180000000-0x000000018003C000-memory.dmp
memory/3776-277-0x00007FFD467F0000-0x00007FFD46800000-memory.dmp
memory/3776-278-0x00007FFD467F0000-0x00007FFD46800000-memory.dmp
memory/3776-279-0x00007FFD467F0000-0x00007FFD46800000-memory.dmp
memory/3776-280-0x00007FFD467F0000-0x00007FFD46800000-memory.dmp