Analysis Overview
SHA256
f096841c886b3752e0be947526ee7029860badb6af5f56cc9bfff77023f03584
Threat Level: Known bad
The file 0304_87496944093261.doc was found to be: Known bad.
Malicious Activity Summary
Hancitor
Process spawned unexpected child process
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
Enumerates system info in registry
Suspicious use of WriteProcessMemory
Suspicious behavior: AddClipboardFormatListener
Suspicious behavior: EnumeratesProcesses
Suspicious use of SetWindowsHookEx
Modifies Internet Explorer settings
Checks processor information in registry
NTFS ADS
Office document contains embedded OLE objects
MITRE ATT&CK
Enterprise Matrix V6
Analysis: static1
Detonation Overview
Reported
2021-03-04 17:10
Signatures
Office document contains embedded OLE objects
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral1
Detonation Overview
Submitted
2021-03-04 17:10
Reported
2021-03-04 17:12
Platform
win7v20201028
Max time kernel
69s
Max time network
14s
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 |
| 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 | 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 (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 |
| 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 |
| 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 (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\0304_87496944093261.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,MUSWRRVXHJV
Network
Files
memory/776-2-0x0000000072671000-0x0000000072674000-memory.dmp
memory/776-3-0x00000000700F1000-0x00000000700F3000-memory.dmp
memory/776-4-0x000000005FFF0000-0x0000000060000000-memory.dmp
memory/2004-5-0x0000000000000000-mapping.dmp
memory/2004-6-0x000007FEFBB61000-0x000007FEFBB63000-memory.dmp
memory/1744-7-0x0000000000000000-mapping.dmp
memory/1744-8-0x0000000076071000-0x0000000076073000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2021-03-04 17:10
Reported
2021-03-04 17:12
Platform
win10v20201028
Max time kernel
139s
Max time network
142s
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 2364 set thread context of 3968 | 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\{D552855D-B87C-402D-8ED0-126B4109B494}\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\0304_87496944093261.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,MUSWRRVXHJV
C:\Windows\SysWOW64\rundll32.exe
"C:\Windows\System32\rundll32.exe" c:\users\admin\appdata\local\temp\Static.dll,MUSWRRVXHJV
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 | 54.221.253.252:80 | api.ipify.org | tcp |
| N/A | 8.8.8.8:53 | throsesspeotte.com | udp |
| N/A | 185.183.96.157:80 | throsesspeotte.com | tcp |
| N/A | 8.8.8.8:53 | baadababada.ru | udp |
| N/A | 47.254.131.254:80 | baadababada.ru | tcp |
| N/A | 54.221.253.252:80 | 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 |
| N/A | 185.100.65.29:80 | sweyblidian.com | tcp |
Files
memory/880-2-0x00007FFACA7F0000-0x00007FFACA800000-memory.dmp
memory/880-3-0x00007FFACA7F0000-0x00007FFACA800000-memory.dmp
memory/880-4-0x00007FFACA7F0000-0x00007FFACA800000-memory.dmp
memory/880-5-0x00007FFACA7F0000-0x00007FFACA800000-memory.dmp
memory/880-6-0x00000150A12E0000-0x00000150A1917000-memory.dmp
memory/2844-7-0x0000000000000000-mapping.dmp
memory/2844-8-0x0000000002F10000-0x0000000003011000-memory.dmp
memory/3928-9-0x0000000000000000-mapping.dmp
\??\c:\users\admin\appdata\local\temp\Static.dll
| MD5 | f710d0296f0deb04993451e4db79f2fd |
| SHA1 | 36fadce4b6313930a0d09b338e39dce1253d46ed |
| SHA256 | a9a79858c47dd66fc9951a8ba78e791f03fc36f6df893ed467e22b2d4a4bb422 |
| SHA512 | 1350fd8697b3a252c765af7affa05380d80890a52dad47a0b67c9778bb377ed9ed619d3c45bd107188ac37e1f4fed51d9be044bcc276393d60b87b9861403bc1 |
memory/2364-11-0x0000000000000000-mapping.dmp
\Users\Admin\AppData\Local\Temp\Static.dll
| MD5 | f710d0296f0deb04993451e4db79f2fd |
| SHA1 | 36fadce4b6313930a0d09b338e39dce1253d46ed |
| SHA256 | a9a79858c47dd66fc9951a8ba78e791f03fc36f6df893ed467e22b2d4a4bb422 |
| SHA512 | 1350fd8697b3a252c765af7affa05380d80890a52dad47a0b67c9778bb377ed9ed619d3c45bd107188ac37e1f4fed51d9be044bcc276393d60b87b9861403bc1 |
memory/2364-13-0x0000000074010000-0x000000007401A000-memory.dmp
memory/2364-14-0x0000000002C40000-0x0000000002C41000-memory.dmp
memory/3968-15-0x0000000000400000-0x0000000000448000-memory.dmp
memory/3968-16-0x0000000000401480-mapping.dmp
memory/3968-17-0x0000000000400000-0x0000000000448000-memory.dmp