Analysis Overview
SHA256
8770f445c501edf62c9bdf28143e6da5b55d493cac5797b6ecdd81775f76e0da
Threat Level: Known bad
The file 0303_15995446253021.doc was found to be: Known bad.
Malicious Activity Summary
Process spawned unexpected child process
Hancitor
Blocklisted process makes network request
Loads dropped DLL
Looks up external IP address via web service
Suspicious use of SetThreadContext
Drops file in Windows directory
Office loads VBA resources, possible macro or embedded object present
Suspicious behavior: AddClipboardFormatListener
NTFS ADS
Suspicious use of WriteProcessMemory
Enumerates system info in registry
Suspicious behavior: EnumeratesProcesses
Office document contains embedded OLE objects
Suspicious use of SetWindowsHookEx
Modifies Internet Explorer settings
Checks processor information in registry
MITRE ATT&CK
Enterprise Matrix V6
Analysis: static1
Detonation Overview
Reported
2021-03-03 16:13
Signatures
Office document contains embedded OLE objects
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral1
Detonation Overview
Submitted
2021-03-03 16:13
Reported
2021-03-03 16:16
Platform
win7v20201028
Max time kernel
150s
Max time network
151s
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\rundll32.exe | C:\Program Files (x86)\Microsoft Office\Office14\WINWORD.EXE |
Drops file in Windows directory
| Description | Indicator | Process | Target |
| File opened for modification | C:\Windows\Debug\WIA\wiatrace.log | C:\Program Files (x86)\Microsoft Office\Office14\WINWORD.EXE | N/A |
Office loads VBA resources, possible macro or embedded object present
Modifies Internet Explorer settings
| Description | Indicator | Process | Target |
| Set value (str) | \REGISTRY\USER\S-1-5-21-3825035466-2522850611-591511364-1000\Software\Microsoft\Internet Explorer\Toolbar\ShowDiscussionButton = "Yes" | C:\Program Files (x86)\Microsoft Office\Office14\WINWORD.EXE | N/A |
| Key created | \REGISTRY\USER\S-1-5-21-3825035466-2522850611-591511364-1000\Software\Microsoft\Internet Explorer\MenuExt | C:\Program Files (x86)\Microsoft Office\Office14\WINWORD.EXE | N/A |
| Set value (int) | \REGISTRY\USER\S-1-5-21-3825035466-2522850611-591511364-1000\Software\Microsoft\Internet Explorer\MenuExt\Se&nd to OneNote\Contexts = "55" | C:\Program Files (x86)\Microsoft Office\Office14\WINWORD.EXE | N/A |
| Key created | \REGISTRY\USER\S-1-5-21-3825035466-2522850611-591511364-1000\Software\Microsoft\Internet Explorer\MenuExt\E&xport to Microsoft Excel | C:\Program Files (x86)\Microsoft Office\Office14\WINWORD.EXE | N/A |
| Set value (int) | \REGISTRY\USER\S-1-5-21-3825035466-2522850611-591511364-1000\Software\Microsoft\Internet Explorer\MenuExt\E&xport to Microsoft Excel\Contexts = "1" | C:\Program Files (x86)\Microsoft Office\Office14\WINWORD.EXE | N/A |
| Key created | \REGISTRY\USER\S-1-5-21-3825035466-2522850611-591511364-1000\Software\Microsoft\Internet Explorer\Toolbar | C:\Program Files (x86)\Microsoft Office\Office14\WINWORD.EXE | N/A |
| Key created | \REGISTRY\USER\S-1-5-21-3825035466-2522850611-591511364-1000\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-1-5-21-3825035466-2522850611-591511364-1000\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 |
| Set value (str) | \REGISTRY\USER\S-1-5-21-3825035466-2522850611-591511364-1000\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 |
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 SetWindowsHookEx
Suspicious use of WriteProcessMemory
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\0303_15995446253021.doc"
C:\Windows\splwow64.exe
C:\Windows\splwow64.exe 12288
C:\Windows\SysWOW64\rundll32.exe
"C:\Windows\System32\rundll32.exe" c:\users\admin\appdata\local\temp\Static.dll,WIOYJIOLYGA
Network
Files
memory/1968-3-0x000000006FDB1000-0x000000006FDB3000-memory.dmp
memory/1968-2-0x0000000072331000-0x0000000072334000-memory.dmp
memory/1968-4-0x000000005FFF0000-0x0000000060000000-memory.dmp
memory/1944-5-0x0000000000000000-mapping.dmp
memory/1944-6-0x000007FEFB831000-0x000007FEFB833000-memory.dmp
memory/1732-7-0x0000000000000000-mapping.dmp
memory/1732-8-0x0000000075ED1000-0x0000000075ED3000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2021-03-03 16:13
Reported
2021-03-03 16:16
Platform
win10v20201028
Max time kernel
139s
Max time network
146s
Command Line
Signatures
Hancitor
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\rundll32.exe | C:\Program Files\Microsoft Office\Root\Office16\WINWORD.EXE |
Blocklisted process makes network request
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\rundll32.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\rundll32.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\rundll32.exe | N/A |
Loads dropped DLL
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\rundll32.exe | N/A |
Looks up external IP address via web service
| Description | Indicator | Process | Target |
| N/A | api.ipify.org | N/A | N/A |
Suspicious use of SetThreadContext
| Description | Indicator | Process | Target |
| PID 1944 set thread context of 1324 | N/A | C:\Windows\SysWOW64\rundll32.exe | C:\Windows\SysWOW64\svchost.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 value queried | \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemSKU | C:\Program Files\Microsoft Office\Root\Office16\WINWORD.EXE | N/A |
| 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 |
NTFS ADS
| Description | Indicator | Process | Target |
| File opened for modification | C:\Users\Admin\AppData\Local\Temp\{87EA52E2-E9C2-4F9A-94D2-CA1CBF961DFF}\msals.pumpl:Zone.Identifier | C:\Program Files\Microsoft Office\Root\Office16\WINWORD.EXE | 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\SysWOW64\rundll32.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\rundll32.exe | N/A |
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
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\0303_15995446253021.doc" /o ""
C:\Windows\splwow64.exe
C:\Windows\splwow64.exe 12288
C:\Windows\System32\rundll32.exe
"C:\Windows\System32\rundll32.exe" c:\users\admin\appdata\local\temp\Static.dll,WIOYJIOLYGA
C:\Windows\SysWOW64\rundll32.exe
"C:\Windows\System32\rundll32.exe" c:\users\admin\appdata\local\temp\Static.dll,WIOYJIOLYGA
C:\Windows\SysWOW64\svchost.exe
C:\Windows\System32\svchost.exe
Network
| Country | Destination | Domain | Proto |
| N/A | 8.8.8.8:53 | api.ipify.org | udp |
| N/A | 54.235.189.250:80 | api.ipify.org | tcp |
| N/A | 8.8.8.8:53 | mainctional.com | udp |
| N/A | 8.8.8.8:53 | disrulaytin.ru | udp |
| N/A | 185.183.96.157:80 | disrulaytin.ru | tcp |
| N/A | 8.8.8.8:53 | nvgeeforsegt.ru | udp |
| N/A | 47.254.131.254:80 | nvgeeforsegt.ru | tcp |
| N/A | 54.235.189.250:80 | api.ipify.org | tcp |
| N/A | 8.8.8.8:53 | sweyblidian.com | udp |
| N/A | 185.100.65.29:80 | sweyblidian.com | tcp |
| N/A | 185.100.65.29:80 | sweyblidian.com | tcp |
| N/A | 185.100.65.29:80 | sweyblidian.com | tcp |
Files
memory/652-2-0x00007FFC10600000-0x00007FFC10610000-memory.dmp
memory/652-3-0x00007FFC10600000-0x00007FFC10610000-memory.dmp
memory/652-4-0x00007FFC10600000-0x00007FFC10610000-memory.dmp
memory/652-5-0x00007FFC10600000-0x00007FFC10610000-memory.dmp
memory/652-6-0x00007FFC2FF20000-0x00007FFC30557000-memory.dmp
memory/652-7-0x00007FFC0D150000-0x00007FFC0D160000-memory.dmp
memory/2568-8-0x0000000000000000-mapping.dmp
memory/2568-9-0x00000000022B0000-0x00000000023B1000-memory.dmp
memory/3036-10-0x0000000000000000-mapping.dmp
\??\c:\users\admin\appdata\local\temp\Static.dll
| MD5 | 541f0ae61eaa22bc5eeca8351f9e76e3 |
| SHA1 | 9c52ae468d81fceaf09c8f1fc166a6b6ffdc9225 |
| SHA256 | 492ed4c57dbe80c20cc0749ff91da5d9f2b3c5b95ae24ac8822b242cb51f9d5a |
| SHA512 | 7bf98a7a1530e3f407c0b4fb0d4c4fb6cc8d3e6b462bc0bd99f5daf1568041dbe1d5c0acf4422c62f05bb4070e33446f0195f5154da1566899eb9dbc8af47f5e |
memory/1944-12-0x0000000000000000-mapping.dmp
\Users\Admin\AppData\Local\Temp\Static.dll
| MD5 | 541f0ae61eaa22bc5eeca8351f9e76e3 |
| SHA1 | 9c52ae468d81fceaf09c8f1fc166a6b6ffdc9225 |
| SHA256 | 492ed4c57dbe80c20cc0749ff91da5d9f2b3c5b95ae24ac8822b242cb51f9d5a |
| SHA512 | 7bf98a7a1530e3f407c0b4fb0d4c4fb6cc8d3e6b462bc0bd99f5daf1568041dbe1d5c0acf4422c62f05bb4070e33446f0195f5154da1566899eb9dbc8af47f5e |
memory/1944-14-0x0000000074210000-0x000000007421A000-memory.dmp
memory/1944-15-0x00000000026F0000-0x00000000026F1000-memory.dmp
memory/1324-16-0x0000000000400000-0x0000000000448000-memory.dmp
memory/1324-17-0x0000000000401480-mapping.dmp
memory/1324-18-0x0000000000400000-0x0000000000448000-memory.dmp