Analysis Overview
SHA256
cbffa04ee57c448e4c73219fd536593b2b408c9fd121627fbc87768f10fc2152
Threat Level: Known bad
The file 1.zip was found to be: Known bad.
Malicious Activity Summary
Process spawned unexpected child process
Emotet
Office macro that triggers on suspicious action
Suspicious Office macro
Office loads VBA resources, possible macro or embedded object present
Suspicious use of FindShellTrayWindow
Suspicious use of SetWindowsHookEx
Checks processor information in registry
Enumerates system info in registry
Modifies Internet Explorer settings
Script User-Agent
Suspicious behavior: AddClipboardFormatListener
MITRE ATT&CK
Enterprise Matrix V6
Analysis: static1
Detonation Overview
Reported
2023-03-08 09:46
Signatures
Office macro that triggers on suspicious action
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Suspicious Office macro
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral1
Detonation Overview
Submitted
2023-03-08 09:45
Reported
2023-03-08 09:49
Platform
win7-20230220-en
Max time kernel
23s
Max time network
33s
Command Line
Signatures
Process spawned unexpected child process
| Description | Indicator | Process | Target |
| Parent C:\Program Files (x86)\Microsoft Office\Office14\WINWORD.EXE is not expected to spawn this process | N/A | C:\Windows\SysWOW64\regsvr32.exe | C:\Program Files (x86)\Microsoft Office\Office14\WINWORD.EXE |
Office loads VBA resources, possible macro or embedded object present
Modifies Internet Explorer settings
| Description | Indicator | Process | Target |
| Key created | \REGISTRY\USER\S-1-5-21-1563773381-2037468142-1146002597-1000\Software\Microsoft\Internet Explorer\MenuExt | C:\Program Files (x86)\Microsoft Office\Office14\WINWORD.EXE | N/A |
| Key created | \REGISTRY\USER\S-1-5-21-1563773381-2037468142-1146002597-1000\Software\Microsoft\Internet Explorer\MenuExt\Se&nd to OneNote | C:\Program Files (x86)\Microsoft Office\Office14\WINWORD.EXE | N/A |
| Set value (str) | \REGISTRY\USER\S-1-5-21-1563773381-2037468142-1146002597-1000\Software\Microsoft\Internet Explorer\MenuExt\Se&nd to OneNote\ = "res://C:\\PROGRA~2\\MICROS~1\\Office14\\ONBttnIE.dll/105" | C:\Program Files (x86)\Microsoft Office\Office14\WINWORD.EXE | N/A |
| Key created | \REGISTRY\USER\S-1-5-21-1563773381-2037468142-1146002597-1000\Software\Microsoft\Internet Explorer\MenuExt\E&xport to Microsoft Excel | C:\Program Files (x86)\Microsoft Office\Office14\WINWORD.EXE | N/A |
| Set value (str) | \REGISTRY\USER\S-1-5-21-1563773381-2037468142-1146002597-1000\Software\Microsoft\Internet Explorer\MenuExt\E&xport to Microsoft Excel\ = "res://C:\\PROGRA~2\\MICROS~1\\Office14\\EXCEL.EXE/3000" | C:\Program Files (x86)\Microsoft Office\Office14\WINWORD.EXE | N/A |
| Key created | \REGISTRY\USER\S-1-5-21-1563773381-2037468142-1146002597-1000\Software\Microsoft\Internet Explorer\Toolbar | C:\Program Files (x86)\Microsoft Office\Office14\WINWORD.EXE | N/A |
| Set value (str) | \REGISTRY\USER\S-1-5-21-1563773381-2037468142-1146002597-1000\Software\Microsoft\Internet Explorer\Toolbar\ShowDiscussionButton = "Yes" | C:\Program Files (x86)\Microsoft Office\Office14\WINWORD.EXE | N/A |
| Set value (int) | \REGISTRY\USER\S-1-5-21-1563773381-2037468142-1146002597-1000\Software\Microsoft\Internet Explorer\MenuExt\Se&nd to OneNote\Contexts = "55" | C:\Program Files (x86)\Microsoft Office\Office14\WINWORD.EXE | N/A |
| Set value (int) | \REGISTRY\USER\S-1-5-21-1563773381-2037468142-1146002597-1000\Software\Microsoft\Internet Explorer\MenuExt\E&xport to Microsoft Excel\Contexts = "1" | C:\Program Files (x86)\Microsoft Office\Office14\WINWORD.EXE | N/A |
Script User-Agent
| Description | Indicator | Process | Target |
| HTTP User-Agent header | Mozilla/4.0 (compatible; Win32; WinHttp.WinHttpRequest.5) | N/A | N/A |
Suspicious behavior: AddClipboardFormatListener
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Program Files (x86)\Microsoft Office\Office14\WINWORD.EXE | N/A |
Suspicious use of FindShellTrayWindow
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Program Files (x86)\Microsoft Office\Office14\WINWORD.EXE | N/A |
| N/A | N/A | C:\Program Files (x86)\Microsoft Office\Office14\WINWORD.EXE | N/A |
Suspicious use of SetWindowsHookEx
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Program Files (x86)\Microsoft Office\Office14\WINWORD.EXE | N/A |
| N/A | N/A | C:\Program Files (x86)\Microsoft Office\Office14\WINWORD.EXE | N/A |
Processes
C:\Program Files (x86)\Microsoft Office\Office14\WINWORD.EXE
"C:\Program Files (x86)\Microsoft Office\Office14\WINWORD.EXE" /n "C:\Users\Admin\AppData\Local\Temp\1.doc"
C:\Windows\SysWOW64\regsvr32.exe
"C:\Windows\System32\regsvr32.exe" /s "C:\Users\Admin\AppData\Local\Temp\094651.tmp"
C:\Windows\system32\regsvr32.exe
/s "C:\Users\Admin\AppData\Local\Temp\094651.tmp"
C:\Windows\system32\regsvr32.exe
C:\Windows\system32\regsvr32.exe "C:\Windows\system32\YhLsgkKrtjtM\EQOiPJHyYqkwRYo.dll"
C:\Windows\splwow64.exe
C:\Windows\splwow64.exe 12288
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | www.dnautik.com | udp |
| RS | 195.252.110.130:80 | www.dnautik.com | tcp |
Files
memory/1980-54-0x000000005FFF0000-0x0000000060000000-memory.dmp
memory/1980-57-0x0000000000630000-0x0000000000730000-memory.dmp
memory/1980-58-0x0000000000630000-0x0000000000730000-memory.dmp
memory/1980-59-0x0000000000630000-0x0000000000730000-memory.dmp
memory/1980-61-0x0000000000630000-0x0000000000730000-memory.dmp
memory/1980-60-0x0000000000630000-0x0000000000730000-memory.dmp
memory/1980-62-0x0000000000630000-0x0000000000730000-memory.dmp
memory/1980-63-0x0000000000630000-0x0000000000730000-memory.dmp
memory/1980-64-0x0000000000630000-0x0000000000730000-memory.dmp
memory/1980-65-0x0000000000630000-0x0000000000730000-memory.dmp
memory/1980-67-0x0000000000630000-0x0000000000730000-memory.dmp
memory/1980-66-0x0000000000630000-0x0000000000730000-memory.dmp
memory/1980-68-0x0000000000630000-0x0000000000730000-memory.dmp
memory/1980-69-0x0000000000630000-0x0000000000730000-memory.dmp
memory/1980-72-0x0000000000630000-0x0000000000730000-memory.dmp
memory/1980-74-0x0000000000630000-0x0000000000730000-memory.dmp
memory/1980-73-0x0000000000630000-0x0000000000730000-memory.dmp
memory/1980-71-0x0000000000630000-0x0000000000730000-memory.dmp
memory/1980-78-0x0000000000630000-0x0000000000730000-memory.dmp
memory/1980-77-0x0000000000630000-0x0000000000730000-memory.dmp
memory/1980-75-0x0000000000630000-0x0000000000730000-memory.dmp
memory/1980-76-0x0000000000630000-0x0000000000730000-memory.dmp
memory/1980-70-0x0000000000630000-0x0000000000730000-memory.dmp
memory/1980-99-0x0000000000630000-0x0000000000730000-memory.dmp
memory/1980-109-0x0000000000630000-0x0000000000730000-memory.dmp
memory/1980-141-0x0000000000630000-0x0000000000730000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\094654.zip
| MD5 | b68294947488080ff0a99def9ed22c4b |
| SHA1 | 8bf91771e28c84adb2ad80e92e9d4e13e6c52b6c |
| SHA256 | ae869a73754e3cd48c17ca12821abf2d188aeea7603b412f4fc7d5d0b6b2d9a3 |
| SHA512 | 68943596f0cac042deddd5893aba1d625cb2420238f858b5a0a372c932228e4fc7f4a0ca9cb1fe84852949137c40192058659ed058f2c0b5d7b1730448d2ad41 |
memory/1980-1077-0x0000000006060000-0x0000000006061000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\094651.tmp
| MD5 | 7475c86d57ee370f2cf2d9c30908ca7c |
| SHA1 | 16fcb70a6d7289bb778d416e1f0d645fd1f6dac0 |
| SHA256 | 6356816e8a8a9ffd4d32f96bec65000e4ac7d7d7088e0f08ed98b749289de5dd |
| SHA512 | 5d6a50b9eb3e6bc6b0cd0eb7cf12f1a5e4547b6fdbc5822580cfb9d1273725cc4d985494e97d1789b7cf8892f3f2031adaf7df6a3a72be8011f47469f9dc3642 |
\Users\Admin\AppData\Local\Temp\094651.tmp
| MD5 | 981e9024ce2d688158194e94a6124d39 |
| SHA1 | 7b8f552e0d1234faa44c542fce6dd36f8234db35 |
| SHA256 | f7fd2b56bd4d42c441641e4408beb6803005cf7e5faa84269af8c80ea0cfb0b5 |
| SHA512 | ab1ced44a1f5a22f05bb24259b7cd5ae7853bdb21339972ecf2cb2217a4dfe6d5f932a3a04bebed0473038e14b932a6f85639e19f2f86f2cc3321e2cbbbfc1ff |
\Users\Admin\AppData\Local\Temp\094651.tmp
| MD5 | 688a29f6cd1173e6678f32c3da53f1d1 |
| SHA1 | 55951768617fff688d8b4266283befb826602831 |
| SHA256 | 3a547e0c80968626f2d6603bcbf7c16d5d99c78c74a8adf1bf99c053666b3492 |
| SHA512 | 66f5e87899705151da7aff57cef3fe58f9b6f2919659f01a5f04e086a1447a41df34891938148c84efe783ffb7b5aeb49131365d2df06a662a191d2ee432dd1f |
memory/468-1264-0x0000000000120000-0x0000000000121000-memory.dmp
memory/1980-1270-0x0000000006060000-0x0000000006061000-memory.dmp
memory/1908-1271-0x00000000002F0000-0x00000000002F1000-memory.dmp
C:\Users\Admin\AppData\Roaming\Microsoft\Templates\Normal.dotm
| MD5 | 625678b0a890a9773350e53fbb5b2c00 |
| SHA1 | b1a6da6c2cc1f7f93192a66320097d4a187477f9 |
| SHA256 | 61a19c93664059a9ed0dc660a5dbde02a95b3a601e3e152bb278a5870603430e |
| SHA512 | 208bd5b04087f98ada5b1f4a2f8b6ff7560199df0f4658c7a3e55a096f22a74b1f9a22f5335194c5212a13c77100e4c5f6550f71f2f846121ec962812d991b4b |
Analysis: behavioral2
Detonation Overview
Submitted
2023-03-08 09:45
Reported
2023-03-08 09:49
Platform
win10v2004-20230220-en
Max time kernel
15s
Max time network
160s
Command Line
Signatures
Emotet
Process spawned unexpected child process
| Description | Indicator | Process | Target |
| Parent C:\Program Files\Microsoft Office\Root\Office16\WINWORD.EXE is not expected to spawn this process | N/A | C:\Windows\System32\regsvr32.exe | C:\Program Files\Microsoft Office\Root\Office16\WINWORD.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\WINWORD.EXE | N/A |
| Key value queried | \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz | C:\Program Files\Microsoft Office\Root\Office16\WINWORD.EXE | N/A |
| Key value queried | \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString | C:\Program Files\Microsoft Office\Root\Office16\WINWORD.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\WINWORD.EXE | N/A |
| Key value queried | \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemFamily | C:\Program Files\Microsoft Office\Root\Office16\WINWORD.EXE | N/A |
| Key value queried | \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemSKU | C:\Program Files\Microsoft Office\Root\Office16\WINWORD.EXE | N/A |
Script User-Agent
| Description | Indicator | Process | Target |
| HTTP User-Agent header | Mozilla/4.0 (compatible; Win32; WinHttp.WinHttpRequest.5) | N/A | N/A |
Suspicious behavior: AddClipboardFormatListener
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Program Files\Microsoft Office\Root\Office16\WINWORD.EXE | N/A |
| N/A | N/A | C:\Program Files\Microsoft Office\Root\Office16\WINWORD.EXE | N/A |
Suspicious use of FindShellTrayWindow
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Program Files\Microsoft Office\Root\Office16\WINWORD.EXE | N/A |
| N/A | N/A | C:\Program Files\Microsoft Office\Root\Office16\WINWORD.EXE | N/A |
Suspicious use of SetWindowsHookEx
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Program Files\Microsoft Office\Root\Office16\WINWORD.EXE | N/A |
| N/A | N/A | C:\Program Files\Microsoft Office\Root\Office16\WINWORD.EXE | N/A |
| N/A | N/A | C:\Program Files\Microsoft Office\Root\Office16\WINWORD.EXE | N/A |
| N/A | N/A | C:\Program Files\Microsoft Office\Root\Office16\WINWORD.EXE | N/A |
Processes
C:\Program Files\Microsoft Office\Root\Office16\WINWORD.EXE
"C:\Program Files\Microsoft Office\Root\Office16\WINWORD.EXE" /n "C:\Users\Admin\AppData\Local\Temp\1.doc" /o ""
C:\Windows\System32\regsvr32.exe
"C:\Windows\System32\regsvr32.exe" /s "C:\Users\Admin\AppData\Local\Temp\104649.tmp"
C:\Windows\system32\regsvr32.exe
C:\Windows\system32\regsvr32.exe "C:\Windows\system32\RRxly\fwbMXIgM.dll"
Network
| Country | Destination | Domain | Proto |
| US | 209.197.3.8:80 | tcp | |
| US | 209.197.3.8:80 | tcp | |
| US | 93.184.220.29:80 | tcp | |
| US | 8.8.8.8:53 | 95.221.229.192.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 11.175.53.84.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 141.76.109.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 143.145.190.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | www.dnautik.com | udp |
| RS | 195.252.110.130:80 | www.dnautik.com | tcp |
| US | 8.8.8.8:53 | 130.110.252.195.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 76.38.195.152.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 149.220.183.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 24.73.42.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 176.122.125.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 104.219.191.52.in-addr.arpa | udp |
| NL | 20.50.201.195:443 | tcp | |
| NL | 173.223.113.164:443 | tcp | |
| NL | 173.223.113.131:80 | tcp | |
| US | 131.253.33.203:80 | tcp | |
| US | 8.8.8.8:53 | 58.104.205.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 0.77.109.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 177.238.32.23.in-addr.arpa | udp |
| US | 209.197.3.8:80 | tcp | |
| US | 8.8.8.8:53 | 199.176.139.52.in-addr.arpa | udp |
| FR | 91.121.146.47:8080 | tcp | |
| US | 8.8.8.8:53 | 47.146.121.91.in-addr.arpa | udp |
Files
memory/3096-133-0x00007FF82D290000-0x00007FF82D2A0000-memory.dmp
memory/3096-134-0x00007FF82D290000-0x00007FF82D2A0000-memory.dmp
memory/3096-135-0x00007FF82D290000-0x00007FF82D2A0000-memory.dmp
memory/3096-136-0x00007FF82D290000-0x00007FF82D2A0000-memory.dmp
memory/3096-137-0x00007FF82D290000-0x00007FF82D2A0000-memory.dmp
memory/3096-138-0x00007FF82AB60000-0x00007FF82AB70000-memory.dmp
memory/3096-139-0x00007FF82AB60000-0x00007FF82AB70000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\104651.zip
| MD5 | b68294947488080ff0a99def9ed22c4b |
| SHA1 | 8bf91771e28c84adb2ad80e92e9d4e13e6c52b6c |
| SHA256 | ae869a73754e3cd48c17ca12821abf2d188aeea7603b412f4fc7d5d0b6b2d9a3 |
| SHA512 | 68943596f0cac042deddd5893aba1d625cb2420238f858b5a0a372c932228e4fc7f4a0ca9cb1fe84852949137c40192058659ed058f2c0b5d7b1730448d2ad41 |
memory/3096-163-0x0000029D5C6C0000-0x0000029D5C6E7000-memory.dmp
memory/3096-164-0x0000029D5D4F0000-0x0000029D5D515000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\104649.tmp
| MD5 | 17aa8e88ec9a9880480f13ec5355ac22 |
| SHA1 | 7c342e547e70d4d6daae44d4bf0e66d67b06de12 |
| SHA256 | 181491fae77d98ce9bb1deddc6c1b53da04f9994c55faf96c5c4bee3c2105097 |
| SHA512 | 1323637048423882f84baf4fec83fb269f2c0aec9ef40445e487f22a898bdc4992826b4b5891d2fe2cacd58723cadffc1294cf205c9291b405ef96b4fe59ae43 |
memory/4736-182-0x00000000020C0000-0x0000000002170000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\104649.tmp
| MD5 | 17aa8e88ec9a9880480f13ec5355ac22 |
| SHA1 | 7c342e547e70d4d6daae44d4bf0e66d67b06de12 |
| SHA256 | 181491fae77d98ce9bb1deddc6c1b53da04f9994c55faf96c5c4bee3c2105097 |
| SHA512 | 1323637048423882f84baf4fec83fb269f2c0aec9ef40445e487f22a898bdc4992826b4b5891d2fe2cacd58723cadffc1294cf205c9291b405ef96b4fe59ae43 |
C:\Users\Admin\AppData\Local\Temp\104649.tmp
| MD5 | 17aa8e88ec9a9880480f13ec5355ac22 |
| SHA1 | 7c342e547e70d4d6daae44d4bf0e66d67b06de12 |
| SHA256 | 181491fae77d98ce9bb1deddc6c1b53da04f9994c55faf96c5c4bee3c2105097 |
| SHA512 | 1323637048423882f84baf4fec83fb269f2c0aec9ef40445e487f22a898bdc4992826b4b5891d2fe2cacd58723cadffc1294cf205c9291b405ef96b4fe59ae43 |
memory/4736-184-0x0000000180000000-0x000000018002D000-memory.dmp
memory/4736-187-0x00000000008E0000-0x00000000008E1000-memory.dmp
C:\Windows\System32\RRxly\fwbMXIgM.dll
| MD5 | 17aa8e88ec9a9880480f13ec5355ac22 |
| SHA1 | 7c342e547e70d4d6daae44d4bf0e66d67b06de12 |
| SHA256 | 181491fae77d98ce9bb1deddc6c1b53da04f9994c55faf96c5c4bee3c2105097 |
| SHA512 | 1323637048423882f84baf4fec83fb269f2c0aec9ef40445e487f22a898bdc4992826b4b5891d2fe2cacd58723cadffc1294cf205c9291b405ef96b4fe59ae43 |
memory/3416-194-0x0000000000400000-0x00000000004B0000-memory.dmp
memory/3096-240-0x00007FF82D290000-0x00007FF82D2A0000-memory.dmp
memory/3096-241-0x00007FF82D290000-0x00007FF82D2A0000-memory.dmp
memory/3096-242-0x00007FF82D290000-0x00007FF82D2A0000-memory.dmp
memory/3096-243-0x00007FF82D290000-0x00007FF82D2A0000-memory.dmp
memory/3096-244-0x0000029D5D4F0000-0x0000029D5D515000-memory.dmp