Analysis Overview
SHA256
273c14f5e6627a1b817276c52019d7627343e19426da365c844d4d8a6e6428c7
Threat Level: Known bad
The file 0701_9265199910485.doc was found to be: Known bad.
Malicious Activity Summary
Process spawned unexpected child process
Hancitor
Blocklisted process makes network request
Downloads MZ/PE file
Office macro that triggers on suspicious action
Loads dropped DLL
Looks up external IP address via web service
Drops file in Windows directory
Office loads VBA resources, possible macro or embedded object present
Modifies Internet Explorer settings
Checks processor information in registry
NTFS ADS
Suspicious use of SetWindowsHookEx
Suspicious behavior: EnumeratesProcesses
Enumerates system info in registry
Suspicious behavior: AddClipboardFormatListener
Suspicious use of WriteProcessMemory
MITRE ATT&CK
Enterprise Matrix V6
Analysis: static1
Detonation Overview
Reported
2021-07-01 14:35
Signatures
Office macro that triggers on suspicious action
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral1
Detonation Overview
Submitted
2021-07-01 14:35
Reported
2021-07-01 14:38
Platform
win7v20210410
Max time kernel
69s
Max time network
48s
Command Line
Signatures
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-1-5-21-2513283230-931923277-594887482-1000\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-1-5-21-2513283230-931923277-594887482-1000\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-1-5-21-2513283230-931923277-594887482-1000\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-1-5-21-2513283230-931923277-594887482-1000\Software\Microsoft\Internet Explorer\MenuExt | C:\Program Files (x86)\Microsoft Office\Office14\WINWORD.EXE | N/A |
| Set value (str) | \REGISTRY\USER\S-1-5-21-2513283230-931923277-594887482-1000\Software\Microsoft\Internet Explorer\Toolbar\ShowDiscussionButton = "Yes" | C:\Program Files (x86)\Microsoft Office\Office14\WINWORD.EXE | N/A |
| Key created | \REGISTRY\USER\S-1-5-21-2513283230-931923277-594887482-1000\Software\Microsoft\Internet Explorer\MenuExt\Se&nd to OneNote | C:\Program Files (x86)\Microsoft Office\Office14\WINWORD.EXE | N/A |
| Set value (int) | \REGISTRY\USER\S-1-5-21-2513283230-931923277-594887482-1000\Software\Microsoft\Internet Explorer\MenuExt\Se&nd to OneNote\Contexts = "55" | C:\Program Files (x86)\Microsoft Office\Office14\WINWORD.EXE | N/A |
| Set value (str) | \REGISTRY\USER\S-1-5-21-2513283230-931923277-594887482-1000\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-1-5-21-2513283230-931923277-594887482-1000\Software\Microsoft\Internet Explorer\Toolbar | 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
| 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 WriteProcessMemory
| Description | Indicator | Process | Target |
| PID 1180 wrote to memory of 1240 | N/A | C:\Program Files (x86)\Microsoft Office\Office14\WINWORD.EXE | C:\Windows\splwow64.exe |
| PID 1180 wrote to memory of 1240 | N/A | C:\Program Files (x86)\Microsoft Office\Office14\WINWORD.EXE | C:\Windows\splwow64.exe |
| PID 1180 wrote to memory of 1240 | N/A | C:\Program Files (x86)\Microsoft Office\Office14\WINWORD.EXE | C:\Windows\splwow64.exe |
| PID 1180 wrote to memory of 1240 | N/A | C:\Program Files (x86)\Microsoft Office\Office14\WINWORD.EXE | C:\Windows\splwow64.exe |
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\0701_9265199910485.doc"
C:\Windows\splwow64.exe
C:\Windows\splwow64.exe 12288
Network
Files
memory/1180-59-0x0000000072C81000-0x0000000072C84000-memory.dmp
memory/1180-60-0x0000000070701000-0x0000000070703000-memory.dmp
memory/1180-61-0x000000005FFF0000-0x0000000060000000-memory.dmp
memory/1240-62-0x0000000000000000-mapping.dmp
memory/1240-63-0x000007FEFC181000-0x000007FEFC183000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2021-07-01 14:35
Reported
2021-07-01 14:38
Platform
win10v20210410
Max time kernel
136s
Max time network
138s
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 |
| N/A | N/A | C:\Windows\SysWOW64\rundll32.exe | N/A |
Downloads MZ/PE file
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 |
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 |
NTFS ADS
| Description | Indicator | Process | Target |
| File opened for modification | C:\Users\Admin\AppData\Local\Temp\{D2C6360A-EEB6-4B21-A75C-2456E6EE1AE7}\nimb.dll: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 |
| 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\0701_9265199910485.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\roaming\microsoft\templates\niberius.dll,PUGXLMMFCEB
C:\Windows\SysWOW64\rundll32.exe
"C:\Windows\System32\rundll32.exe" c:\users\admin\appdata\roaming\microsoft\templates\niberius.dll,PUGXLMMFCEB
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 | 50.16.246.238:80 | api.ipify.org | tcp |
| N/A | 8.8.8.8:53 | raeonoran.com | udp |
| N/A | 135.125.241.4:80 | raeonoran.com | tcp |
| N/A | 8.8.8.8:53 | rar1tet.ru | udp |
| N/A | 8.211.241.0:80 | rar1tet.ru | tcp |
| N/A | 135.125.241.4:80 | raeonoran.com | tcp |
Files
memory/3904-114-0x00007FFA247C0000-0x00007FFA247D0000-memory.dmp
memory/3904-115-0x00007FFA247C0000-0x00007FFA247D0000-memory.dmp
memory/3904-116-0x00007FFA247C0000-0x00007FFA247D0000-memory.dmp
memory/3904-117-0x00007FFA247C0000-0x00007FFA247D0000-memory.dmp
memory/3904-119-0x00007FFA247C0000-0x00007FFA247D0000-memory.dmp
memory/3904-118-0x00007FFA463B0000-0x00007FFA48ED3000-memory.dmp
memory/3904-122-0x00007FFA40BD0000-0x00007FFA41CBE000-memory.dmp
memory/3904-123-0x00007FFA3D900000-0x00007FFA3F7F5000-memory.dmp
memory/700-179-0x0000000000000000-mapping.dmp
memory/2684-180-0x0000000000000000-mapping.dmp
\??\c:\users\admin\appdata\roaming\microsoft\templates\niberius.dll
| MD5 | a31bb62f579e89279a9ebb0115d2e04b |
| SHA1 | 627267d1a8f706d43890e2059c45506501508b6b |
| SHA256 | 47adf0b3d46e09cbdfdb4acfa77e5472be55b02bea91aa68f6909cf64a6e092c |
| SHA512 | 68799aba8e34b15f25292a69473afd9b14358e571133f50f6203db2d9e760491e74760649abe0663a741c89754c79c4a1eb88a0ef11cfd7a8a4e2c5843c0084f |
memory/2384-182-0x0000000000000000-mapping.dmp
\Users\Admin\AppData\Roaming\Microsoft\Templates\niberius.dll
| MD5 | a31bb62f579e89279a9ebb0115d2e04b |
| SHA1 | 627267d1a8f706d43890e2059c45506501508b6b |
| SHA256 | 47adf0b3d46e09cbdfdb4acfa77e5472be55b02bea91aa68f6909cf64a6e092c |
| SHA512 | 68799aba8e34b15f25292a69473afd9b14358e571133f50f6203db2d9e760491e74760649abe0663a741c89754c79c4a1eb88a0ef11cfd7a8a4e2c5843c0084f |
memory/2384-184-0x00000000031E0000-0x00000000031E8000-memory.dmp
memory/2384-185-0x00000000033E0000-0x00000000033EA000-memory.dmp