Analysis Overview
SHA256
673b59f757ef341d828ec79553a3fa43c73a1ded66050c063adc842233f3e000
Threat Level: Known bad
The file 673b59f757ef341d828ec79553a3fa43c73a1ded66050c063adc842233f3e000.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 WriteProcessMemory
Suspicious use of SetWindowsHookEx
Checks processor information in registry
Suspicious behavior: AddClipboardFormatListener
Suspicious behavior: EnumeratesProcesses
Suspicious use of FindShellTrayWindow
Enumerates system info in registry
MITRE ATT&CK
Enterprise Matrix V6
Analysis: static1
Detonation Overview
Reported
2022-11-09 19:12
Signatures
Suspicious Office macro
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral1
Detonation Overview
Submitted
2022-11-09 19:12
Reported
2022-11-09 19:15
Platform
win10-20220901-en
Max time kernel
148s
Max time network
148s
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 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 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\673b59f757ef341d828ec79553a3fa43c73a1ded66050c063adc842233f3e000.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 | bundlefilm.com | udp |
| N/A | 100.90.134.214:80 | bundlefilm.com | tcp |
| US | 8.8.8.8:53 | camsanparke.net | udp |
| N/A | 100.72.124.146:80 | camsanparke.net | tcp |
| US | 8.8.8.8:53 | royreid.co.uk | udp |
| N/A | 100.76.76.179:80 | royreid.co.uk | tcp |
| US | 8.8.8.8:53 | cs.com.sg | udp |
| N/A | 100.102.19.112:443 | cs.com.sg | tcp |
| IE | 20.50.73.10:443 | tcp | |
| US | 13.107.4.50:80 | tcp |
Files
memory/4732-117-0x00007FFDF03F0000-0x00007FFDF0400000-memory.dmp
memory/4732-118-0x00007FFDF03F0000-0x00007FFDF0400000-memory.dmp
memory/4732-119-0x00007FFDF03F0000-0x00007FFDF0400000-memory.dmp
memory/4732-120-0x00007FFDF03F0000-0x00007FFDF0400000-memory.dmp
memory/4732-129-0x00007FFDED620000-0x00007FFDED630000-memory.dmp
memory/4732-130-0x00007FFDED620000-0x00007FFDED630000-memory.dmp
memory/3088-273-0x0000000000000000-mapping.dmp
memory/4604-274-0x0000000000000000-mapping.dmp
memory/4436-275-0x0000000000000000-mapping.dmp
memory/4668-280-0x0000000000000000-mapping.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2022-11-09 19:12
Reported
2022-11-09 19:15
Platform
win10-20220901-en
Max time kernel
148s
Max time network
148s
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 |
| 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\tRKzVxwFcE.dll = "C:\\Windows\\system32\\regsvr32.exe \"C:\\Windows\\system32\\AKbMUvM\\tRKzVxwFcE.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\TCIMZUFaRo.dll = "C:\\Windows\\system32\\regsvr32.exe \"C:\\Windows\\system32\\XPNSKFARkfq\\TCIMZUFaRo.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\sCKrZjK.dll = "C:\\Windows\\system32\\regsvr32.exe \"C:\\Windows\\system32\\KXfXoUugthEDs\\sCKrZjK.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\OswcfHyTuPSC.dll = "C:\\Windows\\system32\\regsvr32.exe \"C:\\Windows\\system32\\JbaVweXLrM\\OswcfHyTuPSC.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
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\673b59f757ef341d828ec79553a3fa43c73a1ded66050c063adc842233f3e000.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\JbaVweXLrM\OswcfHyTuPSC.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\AKbMUvM\tRKzVxwFcE.dll"
C:\Windows\System32\regsvr32.exe
C:\Windows\System32\regsvr32.exe /S ..\elv3.ooocccxxx
C:\Windows\system32\regsvr32.exe
C:\Windows\system32\regsvr32.exe "C:\Windows\system32\XPNSKFARkfq\TCIMZUFaRo.dll"
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\KXfXoUugthEDs\sCKrZjK.dll"
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | bundlefilm.com | udp |
| US | 74.207.252.187:80 | bundlefilm.com | tcp |
| US | 8.8.8.8:53 | camsanparke.net | udp |
| TR | 213.142.148.59:80 | camsanparke.net | tcp |
| US | 8.8.8.8:53 | royreid.co.uk | udp |
| GB | 77.68.64.0:80 | royreid.co.uk | tcp |
| US | 8.8.8.8:53 | cs.com.sg | udp |
| SG | 103.237.169.99:443 | cs.com.sg | tcp |
| US | 20.44.10.122:443 | tcp | |
| KR | 218.38.121.17:443 | 218.38.121.17 | tcp |
| US | 93.184.221.240:80 | tcp | |
| KR | 218.38.121.17:443 | 218.38.121.17 | tcp |
| KR | 218.38.121.17:443 | 218.38.121.17 | tcp |
| KR | 218.38.121.17:443 | 218.38.121.17 | tcp |
Files
memory/64-120-0x00007FFF4CAC0000-0x00007FFF4CAD0000-memory.dmp
memory/64-121-0x00007FFF4CAC0000-0x00007FFF4CAD0000-memory.dmp
memory/64-122-0x00007FFF4CAC0000-0x00007FFF4CAD0000-memory.dmp
memory/64-123-0x00007FFF4CAC0000-0x00007FFF4CAD0000-memory.dmp
memory/64-132-0x00007FFF49220000-0x00007FFF49230000-memory.dmp
memory/64-133-0x00007FFF49220000-0x00007FFF49230000-memory.dmp
memory/4316-254-0x0000000000000000-mapping.dmp
C:\Users\Admin\elv1.ooocccxxx
| MD5 | 7a89b7f5de94fa2aaace9a935ef1eb3e |
| SHA1 | cc487fc865651d08006741cd6e96553ce11f1203 |
| SHA256 | d390ede4dc13af94b97d68c1ad2576035e0ae798550a4e5ca0132bc0ad499919 |
| SHA512 | 3e017d0ab4e97826962e5b4089382e0050c7c92ffa6518ebc937a903c3fd54ad2cbaec550bd62ae86223a90cbfb61699e6baa6dc9fc38db8e75dd9a80314cbd3 |
\Users\Admin\elv1.ooocccxxx
| MD5 | 7a89b7f5de94fa2aaace9a935ef1eb3e |
| SHA1 | cc487fc865651d08006741cd6e96553ce11f1203 |
| SHA256 | d390ede4dc13af94b97d68c1ad2576035e0ae798550a4e5ca0132bc0ad499919 |
| SHA512 | 3e017d0ab4e97826962e5b4089382e0050c7c92ffa6518ebc937a903c3fd54ad2cbaec550bd62ae86223a90cbfb61699e6baa6dc9fc38db8e75dd9a80314cbd3 |
memory/4316-257-0x0000000180000000-0x0000000180030000-memory.dmp
memory/3184-262-0x0000000000000000-mapping.dmp
memory/4668-271-0x0000000000000000-mapping.dmp
C:\Users\Admin\elv2.ooocccxxx
| MD5 | 24331d01d16956330a64a0da12adf2ea |
| SHA1 | 63c098027f96fedbd8a4f5ed0ec8d981aa3c78c1 |
| SHA256 | 70db66e2ab38fde9b3935b95e0e8534e72c959c66cae5490cb40d427bc09cf55 |
| SHA512 | 390ad7d4c06b5c6f94cfd27cae1b1432fbac0d6d8ebfbca29691b916af1b7470a5fc3d04514c2b86f569a963431a7aad6f724a5d33888e85985bb0545618a191 |
\Users\Admin\elv2.ooocccxxx
| MD5 | 24331d01d16956330a64a0da12adf2ea |
| SHA1 | 63c098027f96fedbd8a4f5ed0ec8d981aa3c78c1 |
| SHA256 | 70db66e2ab38fde9b3935b95e0e8534e72c959c66cae5490cb40d427bc09cf55 |
| SHA512 | 390ad7d4c06b5c6f94cfd27cae1b1432fbac0d6d8ebfbca29691b916af1b7470a5fc3d04514c2b86f569a963431a7aad6f724a5d33888e85985bb0545618a191 |
memory/1684-282-0x0000000000000000-mapping.dmp
memory/3152-288-0x0000000000000000-mapping.dmp
C:\Users\Admin\elv3.ooocccxxx
| MD5 | 8072e3face47e3ef56c8c5801c7f19df |
| SHA1 | a66d50f34cbaa2c3ca677d488baddd579949d593 |
| SHA256 | 976a51c38a92bf1c301d7f6054fe84a2f7f42291dfab44e4ddb6a8bc887886c5 |
| SHA512 | bd2f4a63ee77743d0ea64f249b54529249c06f9121e74fa2520e21b5e3d5c7d969c02369117de836c6d515129369bda0df9be5e9b5cb9751897b17674d6fc8d1 |
\Users\Admin\elv3.ooocccxxx
| MD5 | 8072e3face47e3ef56c8c5801c7f19df |
| SHA1 | a66d50f34cbaa2c3ca677d488baddd579949d593 |
| SHA256 | 976a51c38a92bf1c301d7f6054fe84a2f7f42291dfab44e4ddb6a8bc887886c5 |
| SHA512 | bd2f4a63ee77743d0ea64f249b54529249c06f9121e74fa2520e21b5e3d5c7d969c02369117de836c6d515129369bda0df9be5e9b5cb9751897b17674d6fc8d1 |
memory/304-300-0x0000000000000000-mapping.dmp
memory/2008-306-0x0000000000000000-mapping.dmp
C:\Users\Admin\elv4.ooocccxxx
| MD5 | 691ecff2e5acc42434712b64a8f01a90 |
| SHA1 | f7a06fb5a495bbbdd70ddf9757fac7e76e395df7 |
| SHA256 | ddd01651b9db906d977b53e95c2ee4637489c53189563d0b300c1aa2a95f5449 |
| SHA512 | 0ae0f18142d5bc035777e5668325fa78a5f2d7edcba275bc9919d65faf868e9fbb495381fb4e09f06f4ba7a6e42655160e8e184c5b504457c5fbfce5277676f4 |
\Users\Admin\elv4.ooocccxxx
| MD5 | 691ecff2e5acc42434712b64a8f01a90 |
| SHA1 | f7a06fb5a495bbbdd70ddf9757fac7e76e395df7 |
| SHA256 | ddd01651b9db906d977b53e95c2ee4637489c53189563d0b300c1aa2a95f5449 |
| SHA512 | 0ae0f18142d5bc035777e5668325fa78a5f2d7edcba275bc9919d65faf868e9fbb495381fb4e09f06f4ba7a6e42655160e8e184c5b504457c5fbfce5277676f4 |
memory/1656-314-0x0000000000000000-mapping.dmp