Analysis Overview
SHA256
4dd025eac490dea6ca27aeae8d65af1fdef2cb63b097be0cc05d822fe0a1b0d1
Threat Level: Known bad
The file 4dd025eac490dea6ca27aeae8d65af1fdef2cb63b097be0cc05d822fe0a1b0d1.xls was found to be: Known bad.
Malicious Activity Summary
Emotet
Process spawned unexpected child process
Downloads MZ/PE file
Suspicious Office macro
Loads dropped DLL
Adds Run key to start application
Suspicious behavior: EnumeratesProcesses
Suspicious use of SetWindowsHookEx
Suspicious behavior: AddClipboardFormatListener
Checks processor information in registry
Suspicious use of WriteProcessMemory
Enumerates system info in registry
Suspicious use of FindShellTrayWindow
MITRE ATT&CK
Enterprise Matrix V6
Analysis: static1
Detonation Overview
Reported
2022-11-10 10:49
Signatures
Suspicious Office macro
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral2
Detonation Overview
Submitted
2022-11-10 10:49
Reported
2022-11-10 10:52
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\FyzKHZTpnwgiWN.dll = "C:\\Windows\\system32\\regsvr32.exe \"C:\\Windows\\system32\\MHSJKdgpBCebF\\FyzKHZTpnwgiWN.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\mIGyTHSdbqrR.dll = "C:\\Windows\\system32\\regsvr32.exe \"C:\\Windows\\system32\\GluDPtjkGts\\mIGyTHSdbqrR.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\bfAIARf.dll = "C:\\Windows\\system32\\regsvr32.exe \"C:\\Windows\\system32\\ENBmUCej\\bfAIARf.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 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 |
| Key value queried | \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemFamily | 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\4dd025eac490dea6ca27aeae8d65af1fdef2cb63b097be0cc05d822fe0a1b0d1.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\MHSJKdgpBCebF\FyzKHZTpnwgiWN.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\GluDPtjkGts\mIGyTHSdbqrR.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\ENBmUCej\bfAIARf.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 |
| ID | 115.178.55.22:80 | 115.178.55.22 | tcp |
| JP | 40.79.189.58:443 | tcp | |
| ID | 115.178.55.22:80 | 115.178.55.22 | tcp |
| ID | 115.178.55.22:80 | 115.178.55.22 | tcp |
Files
memory/2708-115-0x00007FFA0D4D0000-0x00007FFA0D4E0000-memory.dmp
memory/2708-116-0x00007FFA0D4D0000-0x00007FFA0D4E0000-memory.dmp
memory/2708-117-0x00007FFA0D4D0000-0x00007FFA0D4E0000-memory.dmp
memory/2708-118-0x00007FFA0D4D0000-0x00007FFA0D4E0000-memory.dmp
memory/2708-127-0x00007FFA09D90000-0x00007FFA09DA0000-memory.dmp
memory/2708-128-0x00007FFA09D90000-0x00007FFA09DA0000-memory.dmp
memory/4212-274-0x0000000000000000-mapping.dmp
C:\Users\Admin\elv1.ooocccxxx
| MD5 | d3939ddb4bc6489d93abbe27357c343a |
| SHA1 | e52999b881200818ea801c44e3c4645f0501f582 |
| SHA256 | df774d7b5b0f5e44f6047486ff3641e298208621a1f217027c71e0a874a65313 |
| SHA512 | d3d969c163fdfaee7213741cc8a79ab4685522a53241550c92c17d96577c406e59687eabb79b8d9f070bf98f53822fc0f66e60a08779f47a3eb20cb20ffe108a |
\Users\Admin\elv1.ooocccxxx
| MD5 | d3939ddb4bc6489d93abbe27357c343a |
| SHA1 | e52999b881200818ea801c44e3c4645f0501f582 |
| SHA256 | df774d7b5b0f5e44f6047486ff3641e298208621a1f217027c71e0a874a65313 |
| SHA512 | d3d969c163fdfaee7213741cc8a79ab4685522a53241550c92c17d96577c406e59687eabb79b8d9f070bf98f53822fc0f66e60a08779f47a3eb20cb20ffe108a |
memory/2924-287-0x0000000000000000-mapping.dmp
memory/2924-289-0x0000000002E40000-0x0000000002E6E000-memory.dmp
memory/4724-293-0x0000000000000000-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/4564-304-0x0000000000000000-mapping.dmp
memory/520-312-0x0000000000000000-mapping.dmp
memory/1436-313-0x0000000000000000-mapping.dmp
C:\Users\Admin\elv4.ooocccxxx
| MD5 | 367f5a09ff767c1961c5e32ffb7c3df6 |
| SHA1 | 209c1fb954f11624895012663d34a01cf330b161 |
| SHA256 | 8b92d9155e6bb80c94deb9a3d0c623286e3bd4be90b68ac1be3b8d12ad06697a |
| SHA512 | 4b2317b0c0bef2b2f948d7eccd36c7adced411437519b00e46de8921d3f720103c5b07d1f97dcb0363572d0d3930ae98bcab60812e8d0e8aa680619241585664 |
\Users\Admin\elv4.ooocccxxx
| MD5 | 367f5a09ff767c1961c5e32ffb7c3df6 |
| SHA1 | 209c1fb954f11624895012663d34a01cf330b161 |
| SHA256 | 8b92d9155e6bb80c94deb9a3d0c623286e3bd4be90b68ac1be3b8d12ad06697a |
| SHA512 | 4b2317b0c0bef2b2f948d7eccd36c7adced411437519b00e46de8921d3f720103c5b07d1f97dcb0363572d0d3930ae98bcab60812e8d0e8aa680619241585664 |
memory/2304-321-0x0000000000000000-mapping.dmp
memory/2708-351-0x00007FFA0D4D0000-0x00007FFA0D4E0000-memory.dmp
memory/2708-352-0x00007FFA0D4D0000-0x00007FFA0D4E0000-memory.dmp
memory/2708-353-0x00007FFA0D4D0000-0x00007FFA0D4E0000-memory.dmp
memory/2708-354-0x00007FFA0D4D0000-0x00007FFA0D4E0000-memory.dmp
Analysis: behavioral1
Detonation Overview
Submitted
2022-11-10 10:49
Reported
2022-11-10 10:52
Platform
win10-20220812-en
Max time kernel
128s
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\4dd025eac490dea6ca27aeae8d65af1fdef2cb63b097be0cc05d822fe0a1b0d1.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 | 100.108.44.127:443 | www.conceptagency.net | tcp |
| US | 8.8.8.8:53 | bencevendeghaz.hu | udp |
| N/A | 100.97.221.196:443 | 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 | 100.107.242.86:80 | ruitaiwz.com | tcp |
| IE | 20.50.80.210:443 | tcp | |
| N/A | 10.127.0.1:12080 | tcp |
Files
memory/4668-115-0x00007FFC78A50000-0x00007FFC78A60000-memory.dmp
memory/4668-116-0x00007FFC78A50000-0x00007FFC78A60000-memory.dmp
memory/4668-117-0x00007FFC78A50000-0x00007FFC78A60000-memory.dmp
memory/4668-118-0x00007FFC78A50000-0x00007FFC78A60000-memory.dmp
memory/4668-127-0x00007FFC75BA0000-0x00007FFC75BB0000-memory.dmp
memory/4668-128-0x00007FFC75BA0000-0x00007FFC75BB0000-memory.dmp
memory/3904-267-0x0000000000000000-mapping.dmp
memory/3888-270-0x0000000000000000-mapping.dmp
memory/2080-271-0x0000000000000000-mapping.dmp
memory/3016-272-0x0000000000000000-mapping.dmp
memory/4668-309-0x00007FFC78A50000-0x00007FFC78A60000-memory.dmp
memory/4668-310-0x00007FFC78A50000-0x00007FFC78A60000-memory.dmp
memory/4668-311-0x00007FFC78A50000-0x00007FFC78A60000-memory.dmp
memory/4668-312-0x00007FFC78A50000-0x00007FFC78A60000-memory.dmp