Analysis Overview
SHA256
4b216f5401ecf30dc9d6b928465eaeb0c5e40f0d5f9c8e4469c97259cdefb1d5
Threat Level: Known bad
The file 4b216f5401ecf30dc9d6b928465eaeb0c5e40f0d5f9c8e4469c97259cdefb1d5.xls was found to be: Known bad.
Malicious Activity Summary
Process spawned unexpected child process
Emotet
Downloads MZ/PE file
Suspicious Office macro
Loads dropped DLL
Adds Run key to start application
Suspicious use of SetWindowsHookEx
Suspicious behavior: AddClipboardFormatListener
Suspicious use of WriteProcessMemory
Enumerates system info in registry
Suspicious use of FindShellTrayWindow
Checks processor information in registry
Suspicious behavior: EnumeratesProcesses
MITRE ATT&CK
Enterprise Matrix V6
Analysis: static1
Detonation Overview
Reported
2022-11-10 10:31
Signatures
Suspicious Office macro
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral1
Detonation Overview
Submitted
2022-11-10 10:31
Reported
2022-11-10 10:34
Platform
win10-20220812-en
Max time kernel
127s
Max time network
130s
Command Line
Signatures
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\regsvr32.exe | C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE |
| Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process | N/A | C:\Windows\System32\regsvr32.exe | C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE |
| Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process | N/A | C:\Windows\System32\regsvr32.exe | C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE |
| Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process | N/A | C:\Windows\System32\regsvr32.exe | C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE |
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
| 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 |
| 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
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\4b216f5401ecf30dc9d6b928465eaeb0c5e40f0d5f9c8e4469c97259cdefb1d5.xls"
C:\Windows\System32\regsvr32.exe
C:\Windows\System32\regsvr32.exe /S ..\elv1.ooocccxxx
C:\Windows\System32\regsvr32.exe
C:\Windows\System32\regsvr32.exe /S ..\elv2.ooocccxxx
C:\Windows\System32\regsvr32.exe
C:\Windows\System32\regsvr32.exe /S ..\elv3.ooocccxxx
C:\Windows\System32\regsvr32.exe
C:\Windows\System32\regsvr32.exe /S ..\elv4.ooocccxxx
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | www.conceptagency.net | udp |
| N/A | 100.84.198.153:443 | www.conceptagency.net | tcp |
| US | 8.8.8.8:53 | bencevendeghaz.hu | udp |
| N/A | 100.81.72.220:443 | bencevendeghaz.hu | tcp |
| SG | 45.32.114.141:80 | 45.32.114.141 | tcp |
| US | 8.8.8.8:53 | ruitaiwz.com | udp |
| N/A | 100.97.84.192:80 | ruitaiwz.com | tcp |
| IE | 13.69.239.72:443 | tcp | |
| US | 93.184.221.240:80 | tcp |
Files
memory/3764-115-0x00007FFC82FF0000-0x00007FFC83000000-memory.dmp
memory/3764-116-0x00007FFC82FF0000-0x00007FFC83000000-memory.dmp
memory/3764-117-0x00007FFC82FF0000-0x00007FFC83000000-memory.dmp
memory/3764-118-0x00007FFC82FF0000-0x00007FFC83000000-memory.dmp
memory/3764-127-0x00007FFC801D0000-0x00007FFC801E0000-memory.dmp
memory/3764-128-0x00007FFC801D0000-0x00007FFC801E0000-memory.dmp
memory/4348-267-0x0000000000000000-mapping.dmp
memory/4416-270-0x0000000000000000-mapping.dmp
memory/3608-271-0x0000000000000000-mapping.dmp
memory/3016-272-0x0000000000000000-mapping.dmp
memory/3764-311-0x00007FFC82FF0000-0x00007FFC83000000-memory.dmp
memory/3764-312-0x00007FFC82FF0000-0x00007FFC83000000-memory.dmp
memory/3764-313-0x00007FFC82FF0000-0x00007FFC83000000-memory.dmp
memory/3764-314-0x00007FFC82FF0000-0x00007FFC83000000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2022-11-10 10:31
Reported
2022-11-10 10:34
Platform
win10-20220812-en
Max time kernel
101s
Max time network
128s
Command Line
Signatures
Emotet
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\regsvr32.exe | C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE |
| Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process | N/A | C:\Windows\System32\regsvr32.exe | C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE |
| Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process | N/A | C:\Windows\System32\regsvr32.exe | C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE |
| Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process | N/A | C:\Windows\System32\regsvr32.exe | C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE |
Downloads MZ/PE file
Loads dropped DLL
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\System32\regsvr32.exe | N/A |
| N/A | N/A | C:\Windows\System32\regsvr32.exe | N/A |
| N/A | N/A | C:\Windows\System32\regsvr32.exe | N/A |
Adds Run key to start application
| Description | Indicator | Process | Target |
| Key created | \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run | C:\Windows\system32\regsvr32.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\iKfDQG.dll = "C:\\Windows\\system32\\regsvr32.exe \"C:\\Windows\\system32\\FXeskGkix\\iKfDQG.dll\"" | C:\Windows\system32\regsvr32.exe | N/A |
| Key created | \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run | C:\Windows\system32\regsvr32.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\yOMAwNEDxfk.dll = "C:\\Windows\\system32\\regsvr32.exe \"C:\\Windows\\system32\\WTgDlbVrA\\yOMAwNEDxfk.dll\"" | C:\Windows\system32\regsvr32.exe | N/A |
| Key created | \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run | C:\Windows\system32\regsvr32.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\grMWgReL.dll = "C:\\Windows\\system32\\regsvr32.exe \"C:\\Windows\\system32\\NPsdQkHQ\\grMWgReL.dll\"" | C:\Windows\system32\regsvr32.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 behavior: EnumeratesProcesses
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\System32\regsvr32.exe | N/A |
| N/A | N/A | C:\Windows\System32\regsvr32.exe | N/A |
| N/A | N/A | C:\Windows\system32\regsvr32.exe | N/A |
| N/A | N/A | C:\Windows\system32\regsvr32.exe | N/A |
| N/A | N/A | C:\Windows\system32\regsvr32.exe | N/A |
| N/A | N/A | C:\Windows\system32\regsvr32.exe | N/A |
| N/A | N/A | C:\Windows\System32\regsvr32.exe | N/A |
| N/A | N/A | C:\Windows\System32\regsvr32.exe | N/A |
| N/A | N/A | C:\Windows\system32\regsvr32.exe | N/A |
| N/A | N/A | C:\Windows\system32\regsvr32.exe | N/A |
| N/A | N/A | C:\Windows\system32\regsvr32.exe | N/A |
| N/A | N/A | C:\Windows\system32\regsvr32.exe | N/A |
| N/A | N/A | C:\Windows\System32\regsvr32.exe | N/A |
| N/A | N/A | C:\Windows\System32\regsvr32.exe | N/A |
| N/A | N/A | C:\Windows\system32\regsvr32.exe | N/A |
| N/A | N/A | C:\Windows\system32\regsvr32.exe | N/A |
| N/A | N/A | C:\Windows\system32\regsvr32.exe | N/A |
| N/A | N/A | C:\Windows\system32\regsvr32.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 |
| 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
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\4b216f5401ecf30dc9d6b928465eaeb0c5e40f0d5f9c8e4469c97259cdefb1d5.xls"
C:\Windows\System32\regsvr32.exe
C:\Windows\System32\regsvr32.exe /S ..\elv1.ooocccxxx
C:\Windows\system32\regsvr32.exe
C:\Windows\system32\regsvr32.exe "C:\Windows\system32\FXeskGkix\iKfDQG.dll"
C:\Windows\System32\regsvr32.exe
C:\Windows\System32\regsvr32.exe /S ..\elv2.ooocccxxx
C:\Windows\system32\regsvr32.exe
C:\Windows\system32\regsvr32.exe "C:\Windows\system32\WTgDlbVrA\yOMAwNEDxfk.dll"
C:\Windows\System32\regsvr32.exe
C:\Windows\System32\regsvr32.exe /S ..\elv3.ooocccxxx
C:\Windows\System32\regsvr32.exe
C:\Windows\System32\regsvr32.exe /S ..\elv4.ooocccxxx
C:\Windows\system32\regsvr32.exe
C:\Windows\system32\regsvr32.exe "C:\Windows\system32\NPsdQkHQ\grMWgReL.dll"
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | www.conceptagency.net | udp |
| DE | 149.102.137.213:443 | www.conceptagency.net | tcp |
| US | 8.8.8.8:53 | bencevendeghaz.hu | udp |
| HU | 185.6.139.30:443 | bencevendeghaz.hu | tcp |
| SG | 45.32.114.141:80 | tcp | |
| US | 8.8.8.8:53 | ruitaiwz.com | udp |
| HK | 45.207.116.84:80 | ruitaiwz.com | tcp |
| IE | 20.50.73.10:443 | tcp | |
| ID | 115.178.55.22:80 | 115.178.55.22 | tcp |
| ID | 115.178.55.22:80 | 115.178.55.22 | tcp |
| US | 13.107.4.50:80 | tcp | |
| ID | 115.178.55.22:80 | 115.178.55.22 | tcp |
Files
memory/2576-115-0x00007FFB248E0000-0x00007FFB248F0000-memory.dmp
memory/2576-116-0x00007FFB248E0000-0x00007FFB248F0000-memory.dmp
memory/2576-117-0x00007FFB248E0000-0x00007FFB248F0000-memory.dmp
memory/2576-118-0x00007FFB248E0000-0x00007FFB248F0000-memory.dmp
memory/2576-127-0x00007FFB21390000-0x00007FFB213A0000-memory.dmp
memory/2576-128-0x00007FFB21390000-0x00007FFB213A0000-memory.dmp
memory/4284-274-0x0000000000000000-mapping.dmp
C:\Users\Admin\elv1.ooocccxxx
| MD5 | 287abecca3fd35d9f3ed53f4f7377c7e |
| SHA1 | 4d1693f6b31d926633e8a7e349fee96c4e60120b |
| SHA256 | 6426c9c4829f9e4ec0ce794317153e46cb6b74050b74197c9a588fa7d3de679c |
| SHA512 | 348f77291ee436dcf5e0de2da792b1d9e6c0daf1fb925122ed06984bf14f21d909b14dd6d3096fc229143c2d2562f1f57ea159db9d4f4ec717602943780ab385 |
\Users\Admin\elv1.ooocccxxx
| MD5 | 287abecca3fd35d9f3ed53f4f7377c7e |
| SHA1 | 4d1693f6b31d926633e8a7e349fee96c4e60120b |
| SHA256 | 6426c9c4829f9e4ec0ce794317153e46cb6b74050b74197c9a588fa7d3de679c |
| SHA512 | 348f77291ee436dcf5e0de2da792b1d9e6c0daf1fb925122ed06984bf14f21d909b14dd6d3096fc229143c2d2562f1f57ea159db9d4f4ec717602943780ab385 |
memory/4284-277-0x00000000010A0000-0x00000000010CE000-memory.dmp
memory/4472-287-0x0000000000000000-mapping.dmp
memory/4136-295-0x0000000000000000-mapping.dmp
C:\Users\Admin\elv2.ooocccxxx
| MD5 | e13fecff6dc982531324cdba4f224d1d |
| SHA1 | 0de9ca7b8770ce588684237d2739d456bc64dade |
| SHA256 | 78b7f834255ee4c7e897393c70172de692415c784bcaeedf1cd304fe1ce401e0 |
| SHA512 | 0e159d00676d286d104631f80a1989e308037fde82ddae495628866a1ad49059705fb9c47d7f612a108bbbb0d3f540695782dec3c4b389a56c4ac91a28a8653b |
\Users\Admin\elv2.ooocccxxx
| MD5 | e13fecff6dc982531324cdba4f224d1d |
| SHA1 | 0de9ca7b8770ce588684237d2739d456bc64dade |
| SHA256 | 78b7f834255ee4c7e897393c70172de692415c784bcaeedf1cd304fe1ce401e0 |
| SHA512 | 0e159d00676d286d104631f80a1989e308037fde82ddae495628866a1ad49059705fb9c47d7f612a108bbbb0d3f540695782dec3c4b389a56c4ac91a28a8653b |
memory/920-306-0x0000000000000000-mapping.dmp
memory/4396-312-0x0000000000000000-mapping.dmp
memory/3304-313-0x0000000000000000-mapping.dmp
\Users\Admin\elv4.ooocccxxx
| MD5 | 92a3f6911635438f39de4bae33cc6fa2 |
| SHA1 | a1d0c269e83f262bd665fadabd9521372c9d86e7 |
| SHA256 | e9a6ea8caed6cf87ba761f830065fbd710ac0a1cc5ca6551e8901e490e3eca00 |
| SHA512 | b79b9b05c72aeb2868a2581eff03beeca4b277eb1ffe9784f873a2426cf39dcd9070e37daef9722b39f53e95fa86bc28ab302252f9b95801c6cf828253120a04 |
C:\Users\Admin\elv4.ooocccxxx
| MD5 | 92a3f6911635438f39de4bae33cc6fa2 |
| SHA1 | a1d0c269e83f262bd665fadabd9521372c9d86e7 |
| SHA256 | e9a6ea8caed6cf87ba761f830065fbd710ac0a1cc5ca6551e8901e490e3eca00 |
| SHA512 | b79b9b05c72aeb2868a2581eff03beeca4b277eb1ffe9784f873a2426cf39dcd9070e37daef9722b39f53e95fa86bc28ab302252f9b95801c6cf828253120a04 |
memory/1764-321-0x0000000000000000-mapping.dmp
memory/2576-351-0x00007FFB248E0000-0x00007FFB248F0000-memory.dmp
memory/2576-352-0x00007FFB248E0000-0x00007FFB248F0000-memory.dmp
memory/2576-353-0x00007FFB248E0000-0x00007FFB248F0000-memory.dmp
memory/2576-354-0x00007FFB248E0000-0x00007FFB248F0000-memory.dmp