Analysis Overview
SHA256
271d33b512c4ee37e4838eb1d7393de085e387b20d493304eb356bfa60b24e63
Threat Level: Known bad
The file 271d33b512c4ee37e4838eb1d7393de085e387b20d493304eb356bfa60b24e63.xls was found to be: Known bad.
Malicious Activity Summary
Process spawned unexpected child process
Emotet
Suspicious Office macro
Downloads MZ/PE file
Loads dropped DLL
Adds Run key to start application
Suspicious use of SetWindowsHookEx
Suspicious behavior: EnumeratesProcesses
Checks processor information in registry
Suspicious behavior: AddClipboardFormatListener
Suspicious use of FindShellTrayWindow
Suspicious use of WriteProcessMemory
Enumerates system info in registry
MITRE ATT&CK
Enterprise Matrix V6
Analysis: static1
Detonation Overview
Reported
2022-11-10 10:50
Signatures
Suspicious Office macro
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral1
Detonation Overview
Submitted
2022-11-10 10:50
Reported
2022-11-10 10:52
Platform
win10-20220901-en
Max time kernel
148s
Max time network
151s
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 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 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\271d33b512c4ee37e4838eb1d7393de085e387b20d493304eb356bfa60b24e63.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 | bosny.com | udp |
| N/A | 100.91.160.38:443 | bosny.com | tcp |
| US | 8.8.8.8:53 | navylin.com | udp |
| N/A | 100.112.244.212:80 | navylin.com | tcp |
| US | 8.8.8.8:53 | asrani.garudaputih.com | udp |
| N/A | 100.120.104.203:80 | asrani.garudaputih.com | tcp |
| US | 8.8.8.8:53 | db.rikaz.tech | udp |
| N/A | 100.124.176.253:80 | db.rikaz.tech | 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/4272-256-0x0000000000000000-mapping.dmp
memory/3992-257-0x0000000000000000-mapping.dmp
memory/4928-258-0x0000000000000000-mapping.dmp
memory/5024-259-0x0000000000000000-mapping.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2022-11-10 10:50
Reported
2022-11-10 10:52
Platform
win10-20220901-en
Max time kernel
144s
Max time network
129s
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\gtKgYNgcl.dll = "C:\\Windows\\system32\\regsvr32.exe \"C:\\Windows\\system32\\LlIGTibwSza\\gtKgYNgcl.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\iFDkKRn.dll = "C:\\Windows\\system32\\regsvr32.exe \"C:\\Windows\\system32\\MEzrC\\iFDkKRn.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 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\271d33b512c4ee37e4838eb1d7393de085e387b20d493304eb356bfa60b24e63.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\LlIGTibwSza\gtKgYNgcl.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\MEzrC\iFDkKRn.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 |
| US | 8.8.8.8:53 | navylin.com | udp |
| CN | 47.92.133.65:80 | navylin.com | tcp |
| US | 20.42.73.27:443 | tcp | |
| NL | 84.53.175.11:80 | 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/2744-120-0x00007FFC91840000-0x00007FFC91850000-memory.dmp
memory/2744-121-0x00007FFC91840000-0x00007FFC91850000-memory.dmp
memory/2744-122-0x00007FFC91840000-0x00007FFC91850000-memory.dmp
memory/2744-123-0x00007FFC91840000-0x00007FFC91850000-memory.dmp
memory/2744-132-0x00007FFC8E0F0000-0x00007FFC8E100000-memory.dmp
memory/2744-133-0x00007FFC8E0F0000-0x00007FFC8E100000-memory.dmp
memory/4528-283-0x0000000000000000-mapping.dmp
C:\Users\Admin\elv1.ooocccxxx
| MD5 | 83b59fb810300c2dbddf3f7d739d25a4 |
| SHA1 | aa67e33414d97d297a3b86871dd6a9275fdb71d1 |
| SHA256 | 6b2be1e6753c8b1d69abec430562268775c00784b0a2f4cf2c5e499f98a7bfdf |
| SHA512 | c32ee574b86086d986b7177bbc011da11ad647ca8e3edbb76a6901a92fbc197d987f63b45c923aa273023ff070548caf712578e26a84f85c2eeea781ca55661a |
\Users\Admin\elv1.ooocccxxx
| MD5 | 83b59fb810300c2dbddf3f7d739d25a4 |
| SHA1 | aa67e33414d97d297a3b86871dd6a9275fdb71d1 |
| SHA256 | 6b2be1e6753c8b1d69abec430562268775c00784b0a2f4cf2c5e499f98a7bfdf |
| SHA512 | c32ee574b86086d986b7177bbc011da11ad647ca8e3edbb76a6901a92fbc197d987f63b45c923aa273023ff070548caf712578e26a84f85c2eeea781ca55661a |
memory/4412-296-0x0000000000000000-mapping.dmp
memory/4412-297-0x00000000026E0000-0x000000000270E000-memory.dmp
memory/3088-302-0x0000000000000000-mapping.dmp
C:\Users\Admin\elv2.ooocccxxx
| MD5 | 64ef5cf1771ab08a49f3d94a54c55719 |
| SHA1 | e25c8f5afb72302f27bfbbc7cc71f8b792ecf27f |
| SHA256 | 35176c03296bdc5b1e485185858246f417ebf474b1c0ad7b55b3fd88630deced |
| SHA512 | 5c0cedf9da6fd9bbadfb0c15215a64d8617d588a08d075e5b7458f70fa76c9ce4377a681f04d75ee5705e1aff75d9f6d5277148a06f88e65b67300b04d293859 |
\Users\Admin\elv2.ooocccxxx
| MD5 | 64ef5cf1771ab08a49f3d94a54c55719 |
| SHA1 | e25c8f5afb72302f27bfbbc7cc71f8b792ecf27f |
| SHA256 | 35176c03296bdc5b1e485185858246f417ebf474b1c0ad7b55b3fd88630deced |
| SHA512 | 5c0cedf9da6fd9bbadfb0c15215a64d8617d588a08d075e5b7458f70fa76c9ce4377a681f04d75ee5705e1aff75d9f6d5277148a06f88e65b67300b04d293859 |
memory/1944-310-0x0000000000000000-mapping.dmp
memory/1640-316-0x0000000000000000-mapping.dmp
memory/1464-317-0x0000000000000000-mapping.dmp