| File name: | 1afc6.msi |
| Full analysis: | https://app.any.run/tasks/c744c82b-e2c7-43f6-89b2-3f240a7bab82 |
| Verdict: | Malicious activity |
| Analysis date: | March 26, 2021, 01:51:50 |
| OS: | Windows 7 Professional Service Pack 1 (build: 7601, 32 bit) |
| Tags: | |
| Indicators: | |
| MIME: | application/x-msi |
| File info: | Composite Document File V2 Document, Little Endian, Os: Windows, Version 10.0, MSI Installer, Code page: 1252, Title: Installation Database, Subject: DefaultPackMSI, Author: Microsoft, Keywords: Installer, Comments: This installer database contains the logic and data required to install DefaultPackMSI., Template: Intel;1033, Revision Number: {D94DBF90-37D4-4926-9633-5E66B08C131F}, Create Time/Date: Tue Apr 21 05:13:54 2020, Last Saved Time/Date: Tue Apr 21 05:13:54 2020, Number of Pages: 200, Number of Words: 2, Name of Creating Application: Windows Installer XML Toolset (3.11.2.4516), Security: 2 |
| MD5: | AF9E178233F0AA84B0082AF57B871733 |
| SHA1: | 4B5C8606CB49C5E324679DDCD965E9DA4B296BCF |
| SHA256: | EEDDA6B099C601546148F8A47921F00961199FB3AE9319C32A726A381B66C846 |
| SSDEEP: | 49152:9hyEkDJXhgGqdbbKFV2dzVRk2Id/LB38dSV:kXm7dbuFV2dzVRk2IL38dU |
MALICIOUS
Application was dropped or rewritten from another process
- MainBootStrap.exe (PID: 3776)
- MicrosoftSearchInBing.exe (PID: 3608)
Changes settings of System certificates
- MainBootStrap.exe (PID: 3776)
Loads dropped or rewritten executable
- MainBootStrap.exe (PID: 3776)
- MicrosoftSearchInBing.exe (PID: 3608)
SUSPICIOUS
Adds / modifies Windows certificates
- MainBootStrap.exe (PID: 3776)
Creates files in the Windows directory
- MicrosoftSearchInBing.exe (PID: 3608)
Reads Environment values
- MicrosoftSearchInBing.exe (PID: 3608)
- MainBootStrap.exe (PID: 3776)
Starts Microsoft Installer
- MainBootStrap.exe (PID: 3776)
Executed as Windows Service
- MicrosoftSearchInBing.exe (PID: 3608)
Searches for installed software
- MicrosoftSearchInBing.exe (PID: 3608)
INFO
No info indicators.
Find more information about signature artifacts and mapping to MITRE ATT&CK™ MATRIX at the full report
TRiD
| .msi | | | Microsoft Windows Installer (98.5) |
|---|---|---|
| .msi | | | Microsoft Installer (100) |
EXIF
FlashPix
| CodePage: | Windows Latin 1 (Western European) |
|---|---|
| Title: | Installation Database |
| Subject: | DefaultPackMSI |
| Author: | Microsoft |
| Keywords: | Installer |
| Comments: | This installer database contains the logic and data required to install DefaultPackMSI. |
| Template: | Intel;1033 |
| RevisionNumber: | {D94DBF90-37D4-4926-9633-5E66B08C131F} |
| CreateDate: | 2020:04:21 04:13:54 |
| ModifyDate: | 2020:04:21 04:13:54 |
| Pages: | 200 |
| Words: | 2 |
| Software: | Windows Installer XML Toolset (3.11.2.4516) |
| Security: | Read-only recommended |
Total processes
40
Monitored processes
4
Malicious processes
2
Suspicious processes
0
Behavior graph
Click at the process to see the details
Process information
PID | CMD | Path | Indicators | Parent process | |||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2156 | "C:\Windows\System32\msiexec.exe" /i "C:\Users\admin\AppData\Local\Temp\1afc6.msi" | C:\Windows\System32\msiexec.exe | — | explorer.exe | |||||||||||
User: admin Company: Microsoft Corporation Integrity Level: MEDIUM Description: Windows® installer Exit code: 0 Version: 5.0.7600.16385 (win7_rtm.090713-1255) Modules
| |||||||||||||||
| 3608 | "C:\Program Files\Microsoft\Microsoft Search in Bing\MicrosoftSearchInBing.exe" | C:\Program Files\Microsoft\Microsoft Search in Bing\MicrosoftSearchInBing.exe | services.exe | ||||||||||||
User: SYSTEM Integrity Level: SYSTEM Description: MicrosoftSearchInBing Exit code: 0 Version: 1.0.0.0 Modules
| |||||||||||||||
| 3776 | "C:\ProgramData\Microsoft\DefaultPackMSI\MainBootStrap.exe" install | C:\ProgramData\Microsoft\DefaultPackMSI\MainBootStrap.exe | msiexec.exe | ||||||||||||
User: admin Integrity Level: MEDIUM Description: MainBootStrap Exit code: 0 Version: 1.0.0.0 Modules
| |||||||||||||||
| 3884 | "msiexec.exe" /i C:\ProgramData\Microsoft\DefaultPackMSI\MicrosoftSearchInBing.msi /qn | C:\Windows\system32\msiexec.exe | MainBootStrap.exe | ||||||||||||
User: SYSTEM Company: Microsoft Corporation Integrity Level: SYSTEM Description: Windows® installer Exit code: 0 Version: 5.0.7600.16385 (win7_rtm.090713-1255) Modules
| |||||||||||||||
Total events
277
Read events
203
Write events
74
Delete events
0
Modification events
| (PID) Process: | (2156) msiexec.exe | Key: | HKEY_CLASSES_ROOT\Local Settings\MuiCache\13D\52C64B7E |
| Operation: | write | Name: | LanguageList |
Value: en-US | |||
| (PID) Process: | (2156) msiexec.exe | Key: | HKEY_CLASSES_ROOT\Local Settings\MuiCache\13D\52C64B7E |
| Operation: | write | Name: | @%SystemRoot%\system32\p2pcollab.dll,-8042 |
Value: Peer to Peer Trust | |||
| (PID) Process: | (2156) msiexec.exe | Key: | HKEY_CLASSES_ROOT\Local Settings\MuiCache\13D\52C64B7E |
| Operation: | write | Name: | @%SystemRoot%\system32\qagentrt.dll,-10 |
Value: System Health Authentication | |||
| (PID) Process: | (2156) msiexec.exe | Key: | HKEY_CLASSES_ROOT\Local Settings\MuiCache\13D\52C64B7E |
| Operation: | write | Name: | @%SystemRoot%\system32\dnsapi.dll,-103 |
Value: Domain Name System (DNS) Server Trust | |||
| (PID) Process: | (2156) msiexec.exe | Key: | HKEY_CLASSES_ROOT\Local Settings\MuiCache\13D\52C64B7E |
| Operation: | write | Name: | @%SystemRoot%\System32\fveui.dll,-843 |
Value: BitLocker Drive Encryption | |||
| (PID) Process: | (2156) msiexec.exe | Key: | HKEY_CLASSES_ROOT\Local Settings\MuiCache\13D\52C64B7E |
| Operation: | write | Name: | @%SystemRoot%\System32\fveui.dll,-844 |
Value: BitLocker Data Recovery Agent | |||
| (PID) Process: | (3776) MainBootStrap.exe | Key: | HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\DefaultPackLite |
| Operation: | write | Name: | MachineID |
Value: 761ad19b-b8f3-4401-a470-8ce6cfd36983 | |||
| (PID) Process: | (3776) MainBootStrap.exe | Key: | HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Tracing\MainBootStrap_RASAPI32 |
| Operation: | write | Name: | EnableFileTracing |
Value: 0 | |||
| (PID) Process: | (3776) MainBootStrap.exe | Key: | HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Tracing\MainBootStrap_RASAPI32 |
| Operation: | write | Name: | EnableConsoleTracing |
Value: 0 | |||
| (PID) Process: | (3776) MainBootStrap.exe | Key: | HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Tracing\MainBootStrap_RASAPI32 |
| Operation: | write | Name: | FileTracingMask |
Value: 4294901760 | |||
Executable files
0
Suspicious files
0
Text files
38
Unknown types
2
Dropped files
PID | Process | Filename | Type | |
|---|---|---|---|---|
| 3608 | MicrosoftSearchInBing.exe | C:\Users\Administrator\NTUSER.DAT | — | |
MD5:— | SHA256:— | |||
| 3608 | MicrosoftSearchInBing.exe | C:\Users\Administrator\NTUSER.DAT.LOG1 | — | |
MD5:— | SHA256:— | |||
| 3608 | MicrosoftSearchInBing.exe | C:\Windows\TEMP\4D7F90B8-F05F-436A-98BD-2DA9BC03BE8A.txt | text | |
MD5:— | SHA256:— | |||
| 3776 | MainBootStrap.exe | C:\Users\admin\AppData\Local\Temp\4D7F90B8-F05F-436A-98BD-2DA9BC03BE8A.txt | text | |
MD5:— | SHA256:— | |||
Download PCAP, analyze network streams, HTTP content and a lot more at the full report
HTTP(S) requests
0
TCP/UDP connections
3
DNS requests
1
Threats
0
HTTP requests
Download PCAP, analyze network streams, HTTP content and a lot more at the full report
Connections
PID | Process | IP | Domain | ASN | CN | Reputation |
|---|---|---|---|---|---|---|
3776 | MainBootStrap.exe | 13.107.6.158:443 | core.bdec.microsoft.com | Microsoft Corporation | US | whitelisted |
3608 | MicrosoftSearchInBing.exe | 13.107.6.158:443 | core.bdec.microsoft.com | Microsoft Corporation | US | whitelisted |
DNS requests
Domain | IP | Reputation |
|---|---|---|
core.bdec.microsoft.com |
| whitelisted |