Analysis Overview
SHA256
f121a237d7a7ba8a02e7fb76bbc67ac5f09cc0d4621f0b668c72702d9d42c2ea
Threat Level: Known bad
The file f121a237d7a7ba8a02e7fb76bbc67ac5f09cc0d4621f0b668c72702d9d42c2ea.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 use of WriteProcessMemory
Enumerates system info in registry
Checks processor information in registry
Suspicious use of SetWindowsHookEx
Suspicious behavior: EnumeratesProcesses
Suspicious use of FindShellTrayWindow
Suspicious behavior: AddClipboardFormatListener
MITRE ATT&CK
Enterprise Matrix V6
Analysis: static1
Detonation Overview
Reported
2022-11-10 10:35
Signatures
Suspicious Office macro
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral1
Detonation Overview
Submitted
2022-11-10 10:35
Reported
2022-11-10 10:38
Platform
win10-20220812-en
Max time kernel
129s
Max time network
147s
Command Line
Signatures
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 |
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\f121a237d7a7ba8a02e7fb76bbc67ac5f09cc0d4621f0b668c72702d9d42c2ea.xls"
Network
| Country | Destination | Domain | Proto |
| GB | 51.105.71.136:443 | tcp |
Files
memory/3728-116-0x00007FFCA50A0000-0x00007FFCA50B0000-memory.dmp
memory/3728-117-0x00007FFCA50A0000-0x00007FFCA50B0000-memory.dmp
memory/3728-118-0x00007FFCA50A0000-0x00007FFCA50B0000-memory.dmp
memory/3728-119-0x00007FFCA50A0000-0x00007FFCA50B0000-memory.dmp
memory/3728-128-0x00007FFCA17E0000-0x00007FFCA17F0000-memory.dmp
memory/3728-129-0x00007FFCA17E0000-0x00007FFCA17F0000-memory.dmp
memory/3728-290-0x00007FFCA50A0000-0x00007FFCA50B0000-memory.dmp
memory/3728-291-0x00007FFCA50A0000-0x00007FFCA50B0000-memory.dmp
memory/3728-292-0x00007FFCA50A0000-0x00007FFCA50B0000-memory.dmp
memory/3728-293-0x00007FFCA50A0000-0x00007FFCA50B0000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2022-11-10 10:35
Reported
2022-11-10 10:38
Platform
win10-20220901-en
Max time kernel
146s
Max time network
151s
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 |
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\ViJh.dll = "C:\\Windows\\system32\\regsvr32.exe \"C:\\Windows\\system32\\JNWNzFpeJvLk\\ViJh.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\SkXEHR.dll = "C:\\Windows\\system32\\regsvr32.exe \"C:\\Windows\\system32\\UaAsbZ\\SkXEHR.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 |
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\f121a237d7a7ba8a02e7fb76bbc67ac5f09cc0d4621f0b668c72702d9d42c2ea.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\JNWNzFpeJvLk\ViJh.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\UaAsbZ\SkXEHR.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
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | bosny.com | udp |
| TH | 203.151.59.20:443 | bosny.com | tcp |
| IE | 20.50.80.210:443 | tcp | |
| NL | 8.248.7.254:80 | tcp | |
| US | 8.8.8.8:53 | navylin.com | udp |
| CN | 47.92.133.65:80 | navylin.com | tcp |
| ID | 115.178.55.22:80 | 115.178.55.22 | tcp |
| US | 8.8.8.8:53 | asrani.garudaputih.com | udp |
| SG | 51.79.133.157:80 | asrani.garudaputih.com | tcp |
| US | 8.8.8.8:53 | db.rikaz.tech | udp |
| DE | 135.125.230.197:80 | db.rikaz.tech | tcp |
| ID | 115.178.55.22:80 | 115.178.55.22 | tcp |
Files
memory/4528-120-0x00007FF9500F0000-0x00007FF950100000-memory.dmp
memory/4528-121-0x00007FF9500F0000-0x00007FF950100000-memory.dmp
memory/4528-122-0x00007FF9500F0000-0x00007FF950100000-memory.dmp
memory/4528-123-0x00007FF9500F0000-0x00007FF950100000-memory.dmp
memory/4528-132-0x00007FF94CC80000-0x00007FF94CC90000-memory.dmp
memory/4528-133-0x00007FF94CC80000-0x00007FF94CC90000-memory.dmp
memory/4420-261-0x0000000000000000-mapping.dmp
C:\Users\Admin\elv1.ooocccxxx
| MD5 | 871ea9a8e1604e3cfc16dd15a61294fa |
| SHA1 | 2139e23aa41026d93489d3849a5229dc0cfb1bad |
| SHA256 | 12fefee2092330f9c0d9e6b30141cbb41c44aa39fbbbe8cdfca9b98b3069881d |
| SHA512 | 61b2b91af02dad955630c64ca9200feca20293af14bd25b9d4d7109dd9662aaed0981ea93cf298c93ef5e2c19d393e67f308464c59deaabd7e254d05091b780a |
\Users\Admin\elv1.ooocccxxx
| MD5 | 871ea9a8e1604e3cfc16dd15a61294fa |
| SHA1 | 2139e23aa41026d93489d3849a5229dc0cfb1bad |
| SHA256 | 12fefee2092330f9c0d9e6b30141cbb41c44aa39fbbbe8cdfca9b98b3069881d |
| SHA512 | 61b2b91af02dad955630c64ca9200feca20293af14bd25b9d4d7109dd9662aaed0981ea93cf298c93ef5e2c19d393e67f308464c59deaabd7e254d05091b780a |
memory/4420-264-0x00000000009B0000-0x00000000009DE000-memory.dmp
memory/4520-272-0x0000000000000000-mapping.dmp
memory/524-278-0x0000000000000000-mapping.dmp
C:\Users\Admin\elv2.ooocccxxx
| MD5 | 4e8c394222a8ad3a013d41781d24070f |
| SHA1 | 84598e96917e7413baaa8906b4da8310360a41e5 |
| SHA256 | 1a481aa005d82e3ac514e4fd4525615b08285e2d1f52d4b650b0fb540cbd33a6 |
| SHA512 | 59b3e55f375daa7ad7bc0125b675d4dfb57fbf3ad7ab0744f7d54099057d17e0757ecb241fcab6e226e79f914954ca31221798ee75661e9ba738604e8d8cbf32 |
\Users\Admin\elv2.ooocccxxx
| MD5 | 4e8c394222a8ad3a013d41781d24070f |
| SHA1 | 84598e96917e7413baaa8906b4da8310360a41e5 |
| SHA256 | 1a481aa005d82e3ac514e4fd4525615b08285e2d1f52d4b650b0fb540cbd33a6 |
| SHA512 | 59b3e55f375daa7ad7bc0125b675d4dfb57fbf3ad7ab0744f7d54099057d17e0757ecb241fcab6e226e79f914954ca31221798ee75661e9ba738604e8d8cbf32 |
memory/4588-286-0x0000000000000000-mapping.dmp
memory/4760-292-0x0000000000000000-mapping.dmp
memory/4780-293-0x0000000000000000-mapping.dmp