Analysis Overview
SHA256
83a4e44b20057157c021fb16df5c258fa6b4742d356ecdb8b69a8cafa1e1faf4
Threat Level: Known bad
The file 83a4e44b20057157c021fb16df5c258fa6b4742d356ecdb8b69a8cafa1e1faf4.xls was found to be: Known bad.
Malicious Activity Summary
Emotet
Process spawned unexpected child process
Suspicious Office macro
Downloads MZ/PE file
Loads dropped DLL
Adds Run key to start application
Suspicious behavior: EnumeratesProcesses
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Checks processor information in registry
Enumerates system info in registry
Suspicious behavior: AddClipboardFormatListener
MITRE ATT&CK
Enterprise Matrix V6
Analysis: static1
Detonation Overview
Reported
2022-11-09 19:10
Signatures
Suspicious Office macro
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral1
Detonation Overview
Submitted
2022-11-09 19:10
Reported
2022-11-09 19:13
Platform
win10-20220901-en
Max time kernel
145s
Max time network
147s
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 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\83a4e44b20057157c021fb16df5c258fa6b4742d356ecdb8b69a8cafa1e1faf4.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 | 100.127.255.52:80 | bundlefilm.com | tcp |
| US | 8.8.8.8:53 | camsanparke.net | udp |
| N/A | 100.68.58.104:80 | camsanparke.net | tcp |
| US | 8.8.8.8:53 | royreid.co.uk | udp |
| N/A | 100.68.32.78:80 | royreid.co.uk | tcp |
| US | 8.8.8.8:53 | cs.com.sg | udp |
| N/A | 100.111.24.153:443 | cs.com.sg | tcp |
Files
memory/2820-120-0x00007FFCC7A70000-0x00007FFCC7A80000-memory.dmp
memory/2820-121-0x00007FFCC7A70000-0x00007FFCC7A80000-memory.dmp
memory/2820-122-0x00007FFCC7A70000-0x00007FFCC7A80000-memory.dmp
memory/2820-123-0x00007FFCC7A70000-0x00007FFCC7A80000-memory.dmp
memory/2820-132-0x00007FFCC4B10000-0x00007FFCC4B20000-memory.dmp
memory/2820-133-0x00007FFCC4B10000-0x00007FFCC4B20000-memory.dmp
memory/5024-260-0x0000000000000000-mapping.dmp
memory/4180-261-0x0000000000000000-mapping.dmp
memory/3160-262-0x0000000000000000-mapping.dmp
memory/4444-265-0x0000000000000000-mapping.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2022-11-09 19:10
Reported
2022-11-09 19:13
Platform
win10-20220901-en
Max time kernel
144s
Max time network
138s
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\Zftl.dll = "C:\\Windows\\system32\\regsvr32.exe \"C:\\Windows\\system32\\YDVHKyQ\\Zftl.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\EzIyWWfSVhD.dll = "C:\\Windows\\system32\\regsvr32.exe \"C:\\Windows\\system32\\ClHeSDyxtpmcsYp\\EzIyWWfSVhD.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\MLTFC.dll = "C:\\Windows\\system32\\regsvr32.exe \"C:\\Windows\\system32\\AaJhKFZhe\\MLTFC.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\XSkomLRHBwCN.dll = "C:\\Windows\\system32\\regsvr32.exe \"C:\\Windows\\system32\\ZLMlhudojGjhQRYE\\XSkomLRHBwCN.dll\"" | C:\Windows\system32\regsvr32.exe | N/A |
Checks processor information in registry
| Description | Indicator | Process | Target |
| Key value queried | \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString | C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE | N/A |
| 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 |
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 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\83a4e44b20057157c021fb16df5c258fa6b4742d356ecdb8b69a8cafa1e1faf4.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\ClHeSDyxtpmcsYp\EzIyWWfSVhD.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\AaJhKFZhe\MLTFC.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\ZLMlhudojGjhQRYE\XSkomLRHBwCN.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\YDVHKyQ\Zftl.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 | 20.42.65.89:443 | 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 |
| KR | 218.38.121.17:443 | 218.38.121.17 | tcp |
Files
memory/2796-120-0x00007FFCD2610000-0x00007FFCD2620000-memory.dmp
memory/2796-121-0x00007FFCD2610000-0x00007FFCD2620000-memory.dmp
memory/2796-122-0x00007FFCD2610000-0x00007FFCD2620000-memory.dmp
memory/2796-123-0x00007FFCD2610000-0x00007FFCD2620000-memory.dmp
memory/2796-132-0x00007FFCCF370000-0x00007FFCCF380000-memory.dmp
memory/2796-133-0x00007FFCCF370000-0x00007FFCCF380000-memory.dmp
memory/4184-262-0x0000000000000000-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/4184-265-0x0000000180000000-0x0000000180030000-memory.dmp
memory/4812-273-0x0000000000000000-mapping.dmp
memory/4712-279-0x0000000000000000-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/1588-290-0x0000000000000000-mapping.dmp
memory/3176-296-0x0000000000000000-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/1044-308-0x0000000000000000-mapping.dmp
memory/4904-314-0x0000000000000000-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/1688-323-0x0000000000000000-mapping.dmp