Analysis Overview
SHA256
7e2a361d904e56e56ebdc4c4439e77f63246ae4276f573ad5b5427a0658fc5a3
Threat Level: Known bad
The file 7e2a361d904e56e56ebdc4c4439e77f63246ae4276f573ad5b5427a0658fc5a3 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
Enumerates system info in registry
Checks processor information in registry
Suspicious behavior: AddClipboardFormatListener
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
MITRE ATT&CK
Enterprise Matrix V6
Analysis: static1
Detonation Overview
Reported
2022-01-19 03:23
Signatures
Analysis: behavioral1
Detonation Overview
Submitted
2022-01-19 03:23
Reported
2022-01-19 03:26
Platform
win10-en-20211208
Max time kernel
123s
Max time network
133s
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 |
| 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 3484 wrote to memory of 1856 | N/A | C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE | C:\Windows\SYSTEM32\rundll32.exe |
| PID 3484 wrote to memory of 1856 | 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\7e2a361d904e56e56ebdc4c4439e77f63246ae4276f573ad5b5427a0658fc5a3.xll"
C:\Windows\SYSTEM32\rundll32.exe
rundll32 C:\Users\Admin\JavaObjectReflectC.dll , dopt
Network
| Country | Destination | Domain | Proto |
| UA | 91.201.202.219:443 | tcp | |
| NL | 194.147.115.132:443 | tcp | |
| UA | 194.38.20.30:443 | 194.38.20.30 | tcp |
| RU | 188.127.251.106:443 | tcp |
Files
memory/3484-115-0x00007FF9FB330000-0x00007FF9FB340000-memory.dmp
memory/3484-116-0x00007FF9FB330000-0x00007FF9FB340000-memory.dmp
memory/3484-117-0x00007FF9FB330000-0x00007FF9FB340000-memory.dmp
memory/3484-118-0x00007FF9FB330000-0x00007FF9FB340000-memory.dmp
memory/3484-121-0x00007FF9FB330000-0x00007FF9FB340000-memory.dmp
memory/3484-128-0x00007FF9F7A00000-0x00007FF9F7A10000-memory.dmp
memory/3484-129-0x00007FF9F7A00000-0x00007FF9F7A10000-memory.dmp
\Users\Admin\AppData\Local\Temp\7e2a361d904e56e56ebdc4c4439e77f63246ae4276f573ad5b5427a0658fc5a3.xll
| MD5 | 90628329c8fd992adf0ab9530698cc1e |
| SHA1 | 5bdf86da3da6809cf6a231fe8403b9bf6d267308 |
| SHA256 | 7e2a361d904e56e56ebdc4c4439e77f63246ae4276f573ad5b5427a0658fc5a3 |
| SHA512 | ff0cb1e43b57f21307184c5ce0109d28a753cf852888b5161d0ef0c39acffb7a396c3b777634d8d91d2ccd200faf25e4f6b874ef4ff6b9a950750abe8da5f081 |
\Users\Admin\AppData\Local\Temp\7e2a361d904e56e56ebdc4c4439e77f63246ae4276f573ad5b5427a0658fc5a3.xll
| MD5 | 90628329c8fd992adf0ab9530698cc1e |
| SHA1 | 5bdf86da3da6809cf6a231fe8403b9bf6d267308 |
| SHA256 | 7e2a361d904e56e56ebdc4c4439e77f63246ae4276f573ad5b5427a0658fc5a3 |
| SHA512 | ff0cb1e43b57f21307184c5ce0109d28a753cf852888b5161d0ef0c39acffb7a396c3b777634d8d91d2ccd200faf25e4f6b874ef4ff6b9a950750abe8da5f081 |
C:\Users\Admin\JavaObjectReflectC.dll
| MD5 | 30611ee85ec2b27d36ebfd1fa6ae0b04 |
| SHA1 | 752d50ea499bb5cf628c92cbb4c802f96d88f0a3 |
| SHA256 | 32675591849772bea37f95c3e28522f741488583d8f7d7c05cd480c6a18a27b1 |
| SHA512 | 65d84b8a1fafad18d488533ada1932fa4023f4d2729870860688abeb7f40f4ba934335ac6440a563089f596d9c4fd73c206df29e6e898de656fe3e5a45a4ea2f |
\Users\Admin\JavaObjectReflectC.dll
| MD5 | 30611ee85ec2b27d36ebfd1fa6ae0b04 |
| SHA1 | 752d50ea499bb5cf628c92cbb4c802f96d88f0a3 |
| SHA256 | 32675591849772bea37f95c3e28522f741488583d8f7d7c05cd480c6a18a27b1 |
| SHA512 | 65d84b8a1fafad18d488533ada1932fa4023f4d2729870860688abeb7f40f4ba934335ac6440a563089f596d9c4fd73c206df29e6e898de656fe3e5a45a4ea2f |
memory/1856-259-0x0000000180000000-0x000000018003C000-memory.dmp
memory/3484-281-0x00007FF9FB330000-0x00007FF9FB340000-memory.dmp
memory/3484-282-0x00007FF9FB330000-0x00007FF9FB340000-memory.dmp
memory/3484-283-0x00007FF9FB330000-0x00007FF9FB340000-memory.dmp
memory/3484-284-0x00007FF9FB330000-0x00007FF9FB340000-memory.dmp