| File name: | MavInject32.exe |
| Full analysis: | https://app.any.run/tasks/8eb29f66-c252-4c05-a257-f143ecb13859 |
| Verdict: | Malicious activity |
| Analysis date: | January 25, 2022, 01:45:19 |
| OS: | Windows 7 Professional Service Pack 1 (build: 7601, 32 bit) |
| Indicators: | |
| MIME: | application/x-dosexec |
| File info: | PE32 executable (GUI) Intel 80386, for MS Windows |
| MD5: | 91F58CC9DB0169D917E8F5BE3EE6BC8A |
| SHA1: | 8710DCE700EFCDAA11AA4D4C6A446047E59F0253 |
| SHA256: | C9E60F0E9BE20953A351B12E4B0F9F861FF2B9BEBAE0B6E95C406F73D213CB3C |
| SSDEEP: | 3072:wJx99Fmmt0fSoD74DqauQDrF4Z6h/SMYy87vAQxk7y6qxx7eHHLY:wVmmt0fSoD7yb/F66h/SMYy81xke6wgY |
MALICIOUS
No malicious indicators.SUSPICIOUS
Executed via COM
- DllHost.exe (PID: 2812)
Checks supported languages
- MavInject32.exe (PID: 1256)
INFO
Checks supported languages
- DllHost.exe (PID: 2812)
- WINWORD.EXE (PID: 2384)
Reads the computer name
- DllHost.exe (PID: 2812)
- WINWORD.EXE (PID: 2384)
Manual execution by user
- WINWORD.EXE (PID: 2384)
Creates files in the user directory
- WINWORD.EXE (PID: 2384)
Reads Microsoft Office registry keys
- WINWORD.EXE (PID: 2384)
Find more information about signature artifacts and mapping to MITRE ATT&CK™ MATRIX at the full report
TRiD
| .exe | | | Win32 Executable MS Visual C++ (generic) (35.8) |
|---|---|---|
| .exe | | | Win64 Executable (generic) (31.7) |
| .scr | | | Windows screen saver (15) |
| .dll | | | Win32 Dynamic Link Library (generic) (7.5) |
| .exe | | | Win32 Executable (generic) (5.1) |
EXIF
EXE
| ProductVersion: | 10.0.22000.1 |
|---|---|
| ProductName: | Microsoft® Windows® Operating System |
| OriginalFileName: | mavinject32.exe |
| LegalCopyright: | © Microsoft Corporation. All rights reserved. |
| InternalName: | mavinject32.exe |
| FileVersion: | 10.0.22000.1 (WinBuild.160101.0800) |
| FileDescription: | Microsoft Application Virtualization Injector |
| CompanyName: | Microsoft Corporation |
| CharacterSet: | Unicode |
| LanguageCode: | English (U.S.) |
| FileSubtype: | - |
| ObjectFileType: | Dynamic link library |
| FileOS: | Windows NT 32-bit |
| FileFlags: | (none) |
| FileFlagsMask: | 0x003f |
| ProductVersionNumber: | 10.0.22000.1 |
| FileVersionNumber: | 10.0.22000.1 |
| Subsystem: | Windows GUI |
| SubsystemVersion: | 6.1 |
| ImageVersion: | 10 |
| OSVersion: | 10 |
| EntryPoint: | 0x25640 |
| UninitializedDataSize: | - |
| InitializedDataSize: | 21504 |
| CodeSize: | 164352 |
| LinkerVersion: | 14.28 |
| PEType: | PE32 |
| TimeStamp: | 2100:01:25 10:31:52+01:00 |
| MachineType: | Intel 386 or later, and compatibles |
Summary
| Architecture: | IMAGE_FILE_MACHINE_I386 |
|---|---|
| Subsystem: | IMAGE_SUBSYSTEM_WINDOWS_GUI |
| Compilation Date: | 20-Dec-1963 03:03:36 |
| Detected languages: |
|
| Debug artifacts: |
|
| CompanyName: | Microsoft Corporation |
| FileDescription: | Microsoft Application Virtualization Injector |
| FileVersion: | 10.0.22000.1 (WinBuild.160101.0800) |
| InternalName: | mavinject32.exe |
| LegalCopyright: | © Microsoft Corporation. All rights reserved. |
| OriginalFilename: | mavinject32.exe |
| ProductName: | Microsoft® Windows® Operating System |
| ProductVersion: | 10.0.22000.1 |
DOS Header
| Magic number: | MZ |
|---|---|
| Bytes on last page of file: | 0x0090 |
| Pages in file: | 0x0003 |
| Relocations: | 0x0000 |
| Size of header: | 0x0004 |
| Min extra paragraphs: | 0x0000 |
| Max extra paragraphs: | 0xFFFF |
| Initial SS value: | 0x0000 |
| Initial SP value: | 0x00B8 |
| Checksum: | 0x0000 |
| Initial IP value: | 0x0000 |
| Initial CS value: | 0x0000 |
| Overlay number: | 0x0000 |
| OEM identifier: | 0x0000 |
| OEM information: | 0x0000 |
| Address of NE header: | 0x000000F0 |
PE Headers
| Signature: | PE |
|---|---|
| Machine: | IMAGE_FILE_MACHINE_I386 |
| Number of sections: | 5 |
| Time date stamp: | 20-Dec-1963 03:03:36 |
| Pointer to Symbol Table: | 0x00000000 |
| Number of symbols: | 0 |
| Size of Optional Header: | 0x00E0 |
| Characteristics: |
|
Sections
Name | Virtual Address | Virtual Size | Raw Size | Charateristics | Entropy |
|---|---|---|---|---|---|
.text | 0x00001000 | 0x00028200 | 0x00028200 | IMAGE_SCN_CNT_CODE, IMAGE_SCN_MEM_EXECUTE, IMAGE_SCN_MEM_READ | 6.17252 |
.data | 0x0002A000 | 0x000011A0 | 0x00000C00 | IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_READ, IMAGE_SCN_MEM_WRITE | 4.62596 |
.idata | 0x0002C000 | 0x00000E9A | 0x00001000 | IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_READ | 5.14832 |
.rsrc | 0x0002D000 | 0x00000428 | 0x00000600 | IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_READ | 2.54213 |
.reloc | 0x0002E000 | 0x00002A30 | 0x00002C00 | IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_DISCARDABLE, IMAGE_SCN_MEM_READ | 6.2335 |
Resources
Title | Entropy | Size | Codepage | Language | Type |
|---|---|---|---|---|---|
1 | 3.50169 | 968 | UNKNOWN | English - United States | RT_VERSION |
Imports
ADVAPI32.dll |
KERNEL32.dll |
SHELL32.dll |
api-ms-win-crt-locale-l1-1-0.dll |
api-ms-win-crt-private-l1-1-0.dll |
api-ms-win-crt-runtime-l1-1-0.dll |
api-ms-win-crt-string-l1-1-0.dll |
ntdll.dll |
Total processes
37
Monitored processes
3
Malicious processes
0
Suspicious processes
0
Behavior graph
Click at the process to see the details
Process information
PID | CMD | Path | Indicators | Parent process | |||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1256 | "C:\Users\admin\AppData\Local\Temp\MavInject32.exe" | C:\Users\admin\AppData\Local\Temp\MavInject32.exe | — | Explorer.EXE | |||||||||||
User: admin Company: Microsoft Corporation Integrity Level: MEDIUM Description: Microsoft Application Virtualization Injector Exit code: 65536 Version: 10.0.22000.1 (WinBuild.160101.0800) Modules
| |||||||||||||||
| 2384 | "C:\Program Files\Microsoft Office\Office14\WINWORD.EXE" /n "C:\Users\admin\Desktop\demandthem.rtf" | C:\Program Files\Microsoft Office\Office14\WINWORD.EXE | — | Explorer.EXE | |||||||||||
User: admin Company: Microsoft Corporation Integrity Level: MEDIUM Description: Microsoft Word Exit code: 0 Version: 14.0.6024.1000 Modules
| |||||||||||||||
| 2812 | C:\Windows\system32\DllHost.exe /Processid:{76D0CB12-7604-4048-B83C-1005C7DDC503} | C:\Windows\system32\DllHost.exe | — | svchost.exe | |||||||||||
User: admin Company: Microsoft Corporation Integrity Level: MEDIUM Description: COM Surrogate Exit code: 0 Version: 6.1.7600.16385 (win7_rtm.090713-1255) Modules
| |||||||||||||||
Total events
3 022
Read events
2 349
Write events
542
Delete events
131
Modification events
| (PID) Process: | (2812) DllHost.exe | Key: | HKEY_CURRENT_USER\Software\Microsoft\Direct3D\MostRecentApplication |
| Operation: | write | Name: | Name |
Value: DllHost.exe | |||
| (PID) Process: | (2812) DllHost.exe | Key: | HKEY_CURRENT_USER\Software\Microsoft\Windows Photo Viewer\Viewer |
| Operation: | write | Name: | MainWndPos |
Value: 6000000034000000A00400008002000000000000 | |||
| (PID) Process: | (2384) WINWORD.EXE | Key: | HKEY_CURRENT_USER\Software\Microsoft\Office\14.0\Word\Resiliency\StartupItems |
| Operation: | write | Name: | 3>> |
Value: 333E3E0050090000010000000000000000000000 | |||
| (PID) Process: | (2384) WINWORD.EXE | Key: | HKEY_CURRENT_USER\Software\Microsoft\Office\14.0\Common\LanguageResources\EnabledLanguages |
| Operation: | write | Name: | 1033 |
Value: Off | |||
| (PID) Process: | (2384) WINWORD.EXE | Key: | HKEY_CURRENT_USER\Software\Microsoft\Office\14.0\Common\LanguageResources\EnabledLanguages |
| Operation: | write | Name: | 1041 |
Value: Off | |||
| (PID) Process: | (2384) WINWORD.EXE | Key: | HKEY_CURRENT_USER\Software\Microsoft\Office\14.0\Common\LanguageResources\EnabledLanguages |
| Operation: | write | Name: | 1046 |
Value: Off | |||
| (PID) Process: | (2384) WINWORD.EXE | Key: | HKEY_CURRENT_USER\Software\Microsoft\Office\14.0\Common\LanguageResources\EnabledLanguages |
| Operation: | write | Name: | 1036 |
Value: Off | |||
| (PID) Process: | (2384) WINWORD.EXE | Key: | HKEY_CURRENT_USER\Software\Microsoft\Office\14.0\Common\LanguageResources\EnabledLanguages |
| Operation: | write | Name: | 1031 |
Value: Off | |||
| (PID) Process: | (2384) WINWORD.EXE | Key: | HKEY_CURRENT_USER\Software\Microsoft\Office\14.0\Common\LanguageResources\EnabledLanguages |
| Operation: | write | Name: | 1040 |
Value: Off | |||
| (PID) Process: | (2384) WINWORD.EXE | Key: | HKEY_CURRENT_USER\Software\Microsoft\Office\14.0\Common\LanguageResources\EnabledLanguages |
| Operation: | write | Name: | 1049 |
Value: Off | |||
Executable files
0
Suspicious files
0
Text files
1
Unknown types
4
Dropped files
PID | Process | Filename | Type | |
|---|---|---|---|---|
| 2384 | WINWORD.EXE | C:\Users\admin\AppData\Local\Temp\CVR6A13.tmp.cvr | — | |
MD5:— | SHA256:— | |||
| 2384 | WINWORD.EXE | C:\Users\admin\AppData\Roaming\Microsoft\Templates\~$Normal.dotm | pgc | |
MD5:— | SHA256:— | |||
| 2384 | WINWORD.EXE | C:\Users\admin\AppData\Roaming\Microsoft\Office\Recent\demandthem.rtf.LNK | lnk | |
MD5:— | SHA256:— | |||
| 2384 | WINWORD.EXE | C:\Users\admin\AppData\Roaming\Microsoft\Office\Recent\index.dat | ini | |
MD5:— | SHA256:— | |||
| 2384 | WINWORD.EXE | C:\Users\admin\Desktop\~$mandthem.rtf | pgc | |
MD5:— | SHA256:— | |||
Download PCAP, analyze network streams, HTTP content and a lot more at the full report
HTTP(S) requests
0
TCP/UDP connections
0
DNS requests
0
Threats
0
HTTP requests
Download PCAP, analyze network streams, HTTP content and a lot more at the full report