Analysis Overview
SHA256
da92928558092647db39b68cb896dea008440c29c8fe9f0d92006468520445fd
Threat Level: Known bad
The file Form.zip was found to be: Known bad.
Malicious Activity Summary
Process spawned unexpected child process
Emotet
Suspicious Office macro
Office macro that triggers on suspicious action
Loads dropped DLL
Adds Run key to start application
Suspicious behavior: AddClipboardFormatListener
Suspicious use of SetWindowsHookEx
Enumerates system info in registry
Script User-Agent
Suspicious behavior: EnumeratesProcesses
Suspicious use of FindShellTrayWindow
Suspicious use of WriteProcessMemory
Checks processor information in registry
MITRE ATT&CK
Enterprise Matrix V6
Analysis: static1
Detonation Overview
Reported
2023-03-08 06:12
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 06:11
Reported
2023-03-08 06:16
Platform
win10v2004-20230220-en
Max time kernel
148s
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\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 |
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\MVZVkXzsp.dll = "C:\\Windows\\system32\\regsvr32.exe \"C:\\Windows\\system32\\XeThkoWPGOxpOzL\\MVZVkXzsp.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\WINWORD.EXE | N/A |
| 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 |
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 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 |
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 |
| 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 |
| 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 |
Suspicious use of WriteProcessMemory
| Description | Indicator | Process | Target |
| PID 2224 wrote to memory of 1924 | N/A | C:\Program Files\Microsoft Office\Root\Office16\WINWORD.EXE | C:\Windows\System32\regsvr32.exe |
| PID 2224 wrote to memory of 1924 | N/A | C:\Program Files\Microsoft Office\Root\Office16\WINWORD.EXE | C:\Windows\System32\regsvr32.exe |
| PID 1924 wrote to memory of 4100 | N/A | C:\Windows\System32\regsvr32.exe | C:\Windows\system32\regsvr32.exe |
| PID 1924 wrote to memory of 4100 | N/A | C:\Windows\System32\regsvr32.exe | C:\Windows\system32\regsvr32.exe |
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\Form.doc" /o ""
C:\Windows\System32\regsvr32.exe
"C:\Windows\System32\regsvr32.exe" /s "C:\Users\Admin\AppData\Local\Temp\061341.tmp"
C:\Windows\system32\regsvr32.exe
C:\Windows\system32\regsvr32.exe "C:\Windows\system32\XeThkoWPGOxpOzL\MVZVkXzsp.dll"
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | 95.221.229.192.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 97.17.167.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 234.238.32.23.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 160.145.190.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 154.239.44.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 191.88.109.52.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 | 241.150.49.20.in-addr.arpa | udp |
| US | 20.189.173.4:443 | tcp | |
| US | 8.8.8.8:53 | 9.173.189.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 44.8.109.52.in-addr.arpa | udp |
| US | 209.197.3.8:80 | tcp | |
| FR | 91.121.146.47:8080 | 91.121.146.47 | tcp |
| US | 8.8.8.8:53 | 47.146.121.91.in-addr.arpa | udp |
Files
memory/2224-133-0x00007FFBFD110000-0x00007FFBFD120000-memory.dmp
memory/2224-134-0x00007FFBFD110000-0x00007FFBFD120000-memory.dmp
memory/2224-135-0x00007FFBFD110000-0x00007FFBFD120000-memory.dmp
memory/2224-136-0x00007FFBFD110000-0x00007FFBFD120000-memory.dmp
memory/2224-137-0x00007FFBFD110000-0x00007FFBFD120000-memory.dmp
memory/2224-138-0x00007FFBFA960000-0x00007FFBFA970000-memory.dmp
memory/2224-139-0x00007FFBFA960000-0x00007FFBFA970000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\061342.zip
| MD5 | 9ad186e479e35bab7859e974b0cbfd65 |
| SHA1 | 9a6191124de81354ffe01922e6348e6ab0830aee |
| SHA256 | c8861f1708199dd01294e6d66ebf2bb3951980e177ec646b15291999e6b6a291 |
| SHA512 | f6578eaefd8a6934a10f0089877494e5c68f2fcf4fb821a5f6f1195b38559fa3086f57a5eaabd0a3efd6c42b4278d6d80d67ce4a4d440e944f9b42da9bde3ecd |
C:\Users\Admin\AppData\Local\Temp\061341.tmp
| MD5 | 8467d39bd97385af80831fec91fc38bb |
| SHA1 | 27da57182e02b32adedbdea812d0107506e66a10 |
| SHA256 | 73b63b12507b780f6e37ebc5a86ddd75edaa88895c32b0e04a6d41ead78f77b4 |
| SHA512 | a340986c205891e4b64405b12e5286d945e05c3278ceaa9fc19523058b982247f9893796632410d50f81045c0a0a2788a5af7a0ffdc7d38c467c728e8a95042e |
memory/1924-179-0x0000000180000000-0x000000018002D000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\061341.tmp
| MD5 | 8467d39bd97385af80831fec91fc38bb |
| SHA1 | 27da57182e02b32adedbdea812d0107506e66a10 |
| SHA256 | 73b63b12507b780f6e37ebc5a86ddd75edaa88895c32b0e04a6d41ead78f77b4 |
| SHA512 | a340986c205891e4b64405b12e5286d945e05c3278ceaa9fc19523058b982247f9893796632410d50f81045c0a0a2788a5af7a0ffdc7d38c467c728e8a95042e |
memory/1924-182-0x0000000002680000-0x0000000002681000-memory.dmp
C:\Windows\System32\XeThkoWPGOxpOzL\MVZVkXzsp.dll
| MD5 | 8467d39bd97385af80831fec91fc38bb |
| SHA1 | 27da57182e02b32adedbdea812d0107506e66a10 |
| SHA256 | 73b63b12507b780f6e37ebc5a86ddd75edaa88895c32b0e04a6d41ead78f77b4 |
| SHA512 | a340986c205891e4b64405b12e5286d945e05c3278ceaa9fc19523058b982247f9893796632410d50f81045c0a0a2788a5af7a0ffdc7d38c467c728e8a95042e |
memory/4100-188-0x0000000000400000-0x00000000004B0000-memory.dmp