Analysis Overview
SHA256
a17257a4a1a71d882ccfd9037e726639b49a70bde211c5dc647492f26d27c430
Threat Level: Known bad
The file a17257a4a1a71d882ccfd9037e726639b49a70bde211c5dc647492f26d27c430.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 SetWindowsHookEx
Suspicious use of FindShellTrayWindow
Enumerates system info in registry
Checks processor information in registry
Suspicious behavior: AddClipboardFormatListener
Suspicious behavior: EnumeratesProcesses
Suspicious use of WriteProcessMemory
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: behavioral2
Detonation Overview
Submitted
2022-11-09 19:10
Reported
2022-11-09 19:14
Platform
win10-20220812-en
Max time kernel
144s
Max time network
149s
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\EqRgm.dll = "C:\\Windows\\system32\\regsvr32.exe \"C:\\Windows\\system32\\FXPqAHiSmmjers\\EqRgm.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\wEsiGKGc.dll = "C:\\Windows\\system32\\regsvr32.exe \"C:\\Windows\\system32\\HyXsVjW\\wEsiGKGc.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\qElJNI.dll = "C:\\Windows\\system32\\regsvr32.exe \"C:\\Windows\\system32\\FbaRvo\\qElJNI.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 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\a17257a4a1a71d882ccfd9037e726639b49a70bde211c5dc647492f26d27c430.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\FXPqAHiSmmjers\EqRgm.dll"
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 "C:\Windows\system32\HyXsVjW\wEsiGKGc.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\FbaRvo\qElJNI.dll"
Network
| Country | Destination | Domain | Proto |
| FR | 2.16.119.157:443 | tcp | |
| US | 8.8.8.8:53 | www.muyehuayi.com | udp |
| HK | 103.229.183.58:80 | www.muyehuayi.com | tcp |
| US | 8.8.8.8:53 | concivilpa.com.py | udp |
| CA | 51.161.12.60:80 | concivilpa.com.py | tcp |
| US | 8.8.8.8:53 | wijsneusmedia.nl | udp |
| NL | 185.182.56.21:443 | wijsneusmedia.nl | tcp |
| US | 8.8.8.8:53 | www.angloextrema.com.br | udp |
| US | 108.179.252.23:80 | www.angloextrema.com.br | tcp |
| US | 20.42.65.90:443 | 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 |
Files
memory/1892-116-0x00007FFE7FCC0000-0x00007FFE7FCD0000-memory.dmp
memory/1892-117-0x00007FFE7FCC0000-0x00007FFE7FCD0000-memory.dmp
memory/1892-118-0x00007FFE7FCC0000-0x00007FFE7FCD0000-memory.dmp
memory/1892-119-0x00007FFE7FCC0000-0x00007FFE7FCD0000-memory.dmp
memory/1892-128-0x00007FFE7C260000-0x00007FFE7C270000-memory.dmp
memory/1892-129-0x00007FFE7C260000-0x00007FFE7C270000-memory.dmp
memory/4648-256-0x0000000000000000-mapping.dmp
C:\Users\Admin\elv1.ooocccxxx
| MD5 | 05bacb67e130c31419036b3281f4b10b |
| SHA1 | 3cabe19968c9836e3438b2763fd46c38c07d6391 |
| SHA256 | 979cff8440bb0f0b555fadde036f10b1c859962e3d35b61d3b1b01e6fa2a6529 |
| SHA512 | b555b2efb460c2e2a0643baa27cabf33dbed61fd4a24b8b6ef5b4fbdcef9ef413ce94e5226f65150e5acbd960c3e17383195a38c487f6fefd1215637ada86240 |
\Users\Admin\elv1.ooocccxxx
| MD5 | 05bacb67e130c31419036b3281f4b10b |
| SHA1 | 3cabe19968c9836e3438b2763fd46c38c07d6391 |
| SHA256 | 979cff8440bb0f0b555fadde036f10b1c859962e3d35b61d3b1b01e6fa2a6529 |
| SHA512 | b555b2efb460c2e2a0643baa27cabf33dbed61fd4a24b8b6ef5b4fbdcef9ef413ce94e5226f65150e5acbd960c3e17383195a38c487f6fefd1215637ada86240 |
memory/4648-259-0x0000000180000000-0x0000000180030000-memory.dmp
memory/4924-264-0x0000000000000000-mapping.dmp
memory/4704-270-0x0000000000000000-mapping.dmp
memory/4852-273-0x0000000000000000-mapping.dmp
C:\Users\Admin\elv3.ooocccxxx
| MD5 | 3db1cb5400f35563d8ce55057152e7f7 |
| SHA1 | 846073b00dce497d7e1f37b2082f0b2c552b267b |
| SHA256 | 28450a3f58d6fa6f0df122750348d8788c0e9b97b5600ed29ebdc65838ce5c8c |
| SHA512 | 4db4b7112521ee9d55e5b552adaa999f53a02af8a6f29eb2fff9c2a27074e06140ec350d58df4e3a274603fbafae0ec5aa7969965d8ce509bfdd1c5333c2dcbb |
\Users\Admin\elv3.ooocccxxx
| MD5 | 3db1cb5400f35563d8ce55057152e7f7 |
| SHA1 | 846073b00dce497d7e1f37b2082f0b2c552b267b |
| SHA256 | 28450a3f58d6fa6f0df122750348d8788c0e9b97b5600ed29ebdc65838ce5c8c |
| SHA512 | 4db4b7112521ee9d55e5b552adaa999f53a02af8a6f29eb2fff9c2a27074e06140ec350d58df4e3a274603fbafae0ec5aa7969965d8ce509bfdd1c5333c2dcbb |
memory/68-281-0x0000000000000000-mapping.dmp
memory/2084-287-0x0000000000000000-mapping.dmp
\Users\Admin\elv4.ooocccxxx
| MD5 | 414ff0a2e4731e3dd9427df098233819 |
| SHA1 | 850f35574fdafe22df9a02fe04ad69ee2a286e1e |
| SHA256 | 163187b153de523c3f3786a350d4f53e34c36808a81bcad3d84cefd944226130 |
| SHA512 | 4b351891a7f507904318abf171a3b788cd542881af94738b7983956a43212290e36ec7087072e78d96cb95b86a1d727f7c939557dacc74fe926b21909f5e9b10 |
C:\Users\Admin\elv4.ooocccxxx
| MD5 | 414ff0a2e4731e3dd9427df098233819 |
| SHA1 | 850f35574fdafe22df9a02fe04ad69ee2a286e1e |
| SHA256 | 163187b153de523c3f3786a350d4f53e34c36808a81bcad3d84cefd944226130 |
| SHA512 | 4b351891a7f507904318abf171a3b788cd542881af94738b7983956a43212290e36ec7087072e78d96cb95b86a1d727f7c939557dacc74fe926b21909f5e9b10 |
memory/3284-298-0x0000000000000000-mapping.dmp
memory/1892-335-0x00007FFE7FCC0000-0x00007FFE7FCD0000-memory.dmp
memory/1892-336-0x00007FFE7FCC0000-0x00007FFE7FCD0000-memory.dmp
memory/1892-337-0x00007FFE7FCC0000-0x00007FFE7FCD0000-memory.dmp
memory/1892-338-0x00007FFE7FCC0000-0x00007FFE7FCD0000-memory.dmp
Analysis: behavioral1
Detonation Overview
Submitted
2022-11-09 19:10
Reported
2022-11-09 19:13
Platform
win10-20220812-en
Max time kernel
169s
Max time network
160s
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\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 |
| Key opened | \REGISTRY\MACHINE\Hardware\Description\System\BIOS | 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\a17257a4a1a71d882ccfd9037e726639b49a70bde211c5dc647492f26d27c430.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.muyehuayi.com | udp |
| N/A | 100.99.149.227:80 | www.muyehuayi.com | tcp |
| US | 8.8.8.8:53 | concivilpa.com.py | udp |
| N/A | 100.93.236.124:80 | concivilpa.com.py | tcp |
| US | 8.8.8.8:53 | wijsneusmedia.nl | udp |
| N/A | 100.111.187.232:443 | wijsneusmedia.nl | tcp |
| US | 8.8.8.8:53 | www.angloextrema.com.br | udp |
| N/A | 100.87.172.157:80 | www.angloextrema.com.br | tcp |
| N/A | 100.97.252.183:80 | tcp | |
| N/A | 100.97.252.183:80 | tcp |
Files
memory/3100-116-0x00007FFEEABE0000-0x00007FFEEABF0000-memory.dmp
memory/3100-117-0x00007FFEEABE0000-0x00007FFEEABF0000-memory.dmp
memory/3100-118-0x00007FFEEABE0000-0x00007FFEEABF0000-memory.dmp
memory/3100-119-0x00007FFEEABE0000-0x00007FFEEABF0000-memory.dmp
memory/3100-128-0x00007FFEE7DF0000-0x00007FFEE7E00000-memory.dmp
memory/3100-129-0x00007FFEE7DF0000-0x00007FFEE7E00000-memory.dmp
memory/4248-250-0x0000000000000000-mapping.dmp
memory/4780-251-0x0000000000000000-mapping.dmp
memory/4480-254-0x0000000000000000-mapping.dmp
memory/3796-255-0x0000000000000000-mapping.dmp
memory/3100-294-0x00007FFEEABE0000-0x00007FFEEABF0000-memory.dmp
memory/3100-295-0x00007FFEEABE0000-0x00007FFEEABF0000-memory.dmp
memory/3100-296-0x00007FFEEABE0000-0x00007FFEEABF0000-memory.dmp
memory/3100-297-0x00007FFEEABE0000-0x00007FFEEABF0000-memory.dmp