| download: | McPreInstall.exe |
| Full analysis: | https://app.any.run/tasks/3ef199f3-c48f-4cd4-a30d-a4426c819804 |
| Verdict: | Malicious activity |
| Analysis date: | August 02, 2019, 14:07:48 |
| 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: | 3FF870CF9DCBB8FF4414FD99C76BC41C |
| SHA1: | 2E88FCB61FBFFC1416611AD65E14C9F10DCDB8DB |
| SHA256: | 2B407D9F1FD0C808C7DBD41A0C7788460735163A7C0C26A3BD3A744122D8A4AB |
| SSDEEP: | 3072:SuaiCs0m6sMuXVt5mrx9Z7rKJbwzphKdgFyeWw2:SiMJsLV4R++DKdgFyeI |
MALICIOUS
Registers / Runs the DLL via REGSVR32.EXE
- McPreInstall.exe (PID: 3648)
Writes to a start menu file
- regsvr32.exe (PID: 2616)
Changes the autorun value in the registry
- McPreInstall.exe (PID: 3648)
- regsvr32.exe (PID: 2616)
SUSPICIOUS
Removes files from Windows directory
- McPreInstall.exe (PID: 3648)
Writes to a desktop.ini file (may be used to cloak folders)
- regsvr32.exe (PID: 2616)
INFO
No info indicators.
Find more information about signature artifacts and mapping to MITRE ATT&CK™ MATRIX at the full report
TRiD
| .exe | | | Win32 Executable Microsoft Visual Basic 6 (69.4) |
|---|---|---|
| .exe | | | Win64 Executable (generic) (23.3) |
| .exe | | | Win32 Executable (generic) (3.8) |
| .exe | | | Generic Win/DOS Executable (1.6) |
| .exe | | | DOS Executable Generic (1.6) |
EXIF
EXE
| MachineType: | Intel 386 or later, and compatibles |
|---|---|
| TimeStamp: | 2014:07:21 22:00:24+02:00 |
| PEType: | PE32 |
| LinkerVersion: | 6 |
| CodeSize: | 163840 |
| InitializedDataSize: | 12288 |
| UninitializedDataSize: | - |
| EntryPoint: | 0x1298 |
| OSVersion: | 4 |
| ImageVersion: | 1 |
| SubsystemVersion: | 4 |
| Subsystem: | Windows GUI |
| FileVersionNumber: | 1.0.0.88 |
| ProductVersionNumber: | 1.0.0.88 |
| FileFlagsMask: | 0x0000 |
| FileFlags: | (none) |
| FileOS: | Win32 |
| ObjectFileType: | Executable application |
| FileSubtype: | - |
| LanguageCode: | English (U.S.) |
| CharacterSet: | Unicode |
| CompanyName: | McAfee, Inc. |
| LegalCopyright: | Copyright © 2014 McAfee, Inc. |
| ProductName: | PreInstall Tool |
| FileVersion: | 1.00.0088 |
| ProductVersion: | 1.00.0088 |
| InternalName: | McPreinstall.1.88 |
| OriginalFileName: | McPreinstall.1.88.exe |
Summary
| Architecture: | IMAGE_FILE_MACHINE_I386 |
|---|---|
| Subsystem: | IMAGE_SUBSYSTEM_WINDOWS_GUI |
| Compilation Date: | 21-Jul-2014 20:00:24 |
| Detected languages: |
|
| CompanyName: | McAfee, Inc. |
| LegalCopyright: | Copyright © 2014 McAfee, Inc. |
| ProductName: | PreInstall Tool |
| FileVersion: | 1.00.0088 |
| ProductVersion: | 1.00.0088 |
| InternalName: | McPreinstall.1.88 |
| OriginalFilename: | McPreinstall.1.88.exe |
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: | 0x000000B8 |
PE Headers
| Signature: | PE |
|---|---|
| Machine: | IMAGE_FILE_MACHINE_I386 |
| Number of sections: | 3 |
| Time date stamp: | 21-Jul-2014 20:00:24 |
| 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 | 0x000273E4 | 0x00028000 | IMAGE_SCN_CNT_CODE, IMAGE_SCN_MEM_EXECUTE, IMAGE_SCN_MEM_READ | 6.35604 |
.data | 0x00029000 | 0x00001A64 | 0x00000000 | IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_READ, IMAGE_SCN_MEM_WRITE | 0 |
.rsrc | 0x0002B000 | 0x00000728 | 0x00001000 | IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_READ | 2.49139 |
Resources
Title | Entropy | Size | Codepage | Language | Type |
|---|---|---|---|---|---|
1 | 3.36497 | 700 | Unicode (UTF 16LE) | English - United States | RT_VERSION |
30001 | 4.4539 | 872 | Unicode (UTF 16LE) | UNKNOWN | RT_ICON |
Imports
MSVBVM60.DLL |
Total processes
46
Monitored processes
10
Malicious processes
2
Suspicious processes
0
Behavior graph
Click at the process to see the details
Process information
PID | CMD | Path | Indicators | Parent process | |||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 284 | C:\Windows\system32\regsvr32 /i /s shdocvw.dll | C:\Windows\system32\regsvr32.exe | — | McPreInstall.exe | |||||||||||
User: admin Company: Microsoft Corporation Integrity Level: HIGH Description: Microsoft(C) Register Server Exit code: 4 Version: 6.1.7600.16385 (win7_rtm.090713-1255) Modules
| |||||||||||||||
| 764 | C:\Windows\system32\regsvr32 msapsspc.dll /SspcCreateSspiReg /s | C:\Windows\system32\regsvr32.exe | — | McPreInstall.exe | |||||||||||
User: admin Company: Microsoft Corporation Integrity Level: HIGH Description: Microsoft(C) Register Server Exit code: 3 Version: 6.1.7600.16385 (win7_rtm.090713-1255) Modules
| |||||||||||||||
| 1016 | C:\Windows\system32\regsvr32 /i /s iesetup.dll | C:\Windows\system32\regsvr32.exe | — | McPreInstall.exe | |||||||||||
User: admin Company: Microsoft Corporation Integrity Level: HIGH Description: Microsoft(C) Register Server Exit code: 4 Version: 6.1.7600.16385 (win7_rtm.090713-1255) Modules
| |||||||||||||||
| 1104 | C:\Windows\system32\regsvr32 /i /s occache.dll | C:\Windows\system32\regsvr32.exe | — | McPreInstall.exe | |||||||||||
User: admin Company: Microsoft Corporation Integrity Level: HIGH Description: Microsoft(C) Register Server Exit code: 4 Version: 6.1.7600.16385 (win7_rtm.090713-1255) Modules
| |||||||||||||||
| 2616 | C:\Windows\system32\regsvr32 /i /s shell32.dll | C:\Windows\system32\regsvr32.exe | McPreInstall.exe | ||||||||||||
User: admin Company: Microsoft Corporation Integrity Level: HIGH Description: Microsoft(C) Register Server Exit code: 0 Version: 6.1.7600.16385 (win7_rtm.090713-1255) Modules
| |||||||||||||||
| 3192 | C:\Windows\system32\regsvr32 scrrun.dll mstinit.exe /setup | C:\Windows\system32\regsvr32.exe | — | McPreInstall.exe | |||||||||||
User: admin Company: Microsoft Corporation Integrity Level: HIGH Description: Microsoft(C) Register Server Exit code: 3 Version: 6.1.7600.16385 (win7_rtm.090713-1255) Modules
| |||||||||||||||
| 3356 | C:\Windows\system32\regsvr32 msnsspc.dll /SspcCreateSspiReg /s | C:\Windows\system32\regsvr32.exe | — | McPreInstall.exe | |||||||||||
User: admin Company: Microsoft Corporation Integrity Level: HIGH Description: Microsoft(C) Register Server Exit code: 3 Version: 6.1.7600.16385 (win7_rtm.090713-1255) Modules
| |||||||||||||||
| 3376 | C:\Windows\system32\regsvr32 /i /s shdoc401.dll | C:\Windows\system32\regsvr32.exe | — | McPreInstall.exe | |||||||||||
User: admin Company: Microsoft Corporation Integrity Level: HIGH Description: Microsoft(C) Register Server Exit code: 3 Version: 6.1.7600.16385 (win7_rtm.090713-1255) Modules
| |||||||||||||||
| 3648 | "C:\Users\admin\AppData\Local\Temp\McPreInstall.exe" | C:\Users\admin\AppData\Local\Temp\McPreInstall.exe | explorer.exe | ||||||||||||
User: admin Company: McAfee, Inc. Integrity Level: HIGH Exit code: 0 Version: 1.00.0088 Modules
| |||||||||||||||
| 3876 | "C:\Users\admin\AppData\Local\Temp\McPreInstall.exe" | C:\Users\admin\AppData\Local\Temp\McPreInstall.exe | — | explorer.exe | |||||||||||
User: admin Company: McAfee, Inc. Integrity Level: MEDIUM Exit code: 3221226540 Version: 1.00.0088 Modules
| |||||||||||||||
Total events
514
Read events
474
Write events
27
Delete events
13
Modification events
| (PID) Process: | (3648) McPreInstall.exe | Key: | HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Internet Settings |
| Operation: | write | Name: | SecureProtocols |
Value: 160 | |||
| (PID) Process: | (3648) McPreInstall.exe | Key: | HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Internet Settings |
| Operation: | write | Name: | CertificateRevocation |
Value: 0 | |||
| (PID) Process: | (3648) McPreInstall.exe | Key: | HKEY_CURRENT_USER\Software\Microsoft\Internet Explorer\Main |
| Operation: | write | Name: | Disable Script Debugger |
Value: yes | |||
| (PID) Process: | (3648) McPreInstall.exe | Key: | HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\RunOnce |
| Operation: | write | Name: | restoresetting |
Value: regedit.exe /s c:\\mfe\\certfix.reg | |||
| (PID) Process: | (2616) regsvr32.exe | Key: | HKEY_LOCAL_MACHINE\SOFTWARE\Classes\TypeLib\{50A7E9B0-70EF-11D1-B75A-00A0C90564FE} |
| Operation: | delete key | Name: | |
Value: | |||
| (PID) Process: | (2616) regsvr32.exe | Key: | HKEY_LOCAL_MACHINE\SOFTWARE\Classes\TypeLib\{50A7E9B0-70EF-11D1-B75A-00A0C90564FE}\1.0\0\win32 |
| Operation: | write | Name: | |
Value: C:\Windows\system32\SHELL32.dll | |||
| (PID) Process: | (2616) regsvr32.exe | Key: | HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Shell Folders |
| Operation: | write | Name: | Common Desktop |
Value: C:\Users\Public\Desktop | |||
| (PID) Process: | (2616) regsvr32.exe | Key: | HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Shell Folders |
| Operation: | write | Name: | Common Start Menu |
Value: C:\ProgramData\Microsoft\Windows\Start Menu | |||
| (PID) Process: | (2616) regsvr32.exe | Key: | HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Shell Folders |
| Operation: | write | Name: | CommonVideo |
Value: C:\Users\Public\Videos | |||
| (PID) Process: | (2616) regsvr32.exe | Key: | HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Shell Folders |
| Operation: | write | Name: | CommonPictures |
Value: C:\Users\Public\Pictures | |||
Executable files
0
Suspicious files
0
Text files
24
Unknown types
5
Dropped files
PID | Process | Filename | Type | |
|---|---|---|---|---|
| 2616 | regsvr32.exe | C:\Users\Public\Libraries\~ecordedTV.tmp | — | |
MD5:— | SHA256:— | |||
| 2616 | regsvr32.exe | C:\ProgramData\Microsoft\Windows\Start Menu\Programs\desktop.ini | text | |
MD5:A5653DAA5E42A00A3DA294D7857297E0 | SHA256:2439CFF03C6EDBB2A0F46705B3599D53C703536AA61554573CEF6AA81929C78C | |||
| 2616 | regsvr32.exe | C:\ProgramData\Microsoft\Windows\Start Menu\desktop.ini | txt | |
MD5:981EF73D58D1E2CE146133ED7F2BEEA1 | SHA256:2148D72547DAB5A96F30F4487F167D07380FDA0D548467F7A6A7386C61579F8B | |||
| 2616 | regsvr32.exe | C:\ProgramData\Microsoft\Windows\Start Menu\Programs\Administrative Tools\desktop.ini | txt | |
MD5:86888681B120C00E3B6F9D9AFCD3EAC5 | SHA256:DB87305E89EE681F73BAF10FCB7D52F676286A42175E0A9B905DCEEFA165FAD9 | |||
| 3648 | McPreInstall.exe | C:\Users\admin\AppData\Local\Temp\~DFB126E1DE6BEDAE7E.TMP | — | |
MD5:— | SHA256:— | |||
| 2616 | regsvr32.exe | C:\Users\Public\Libraries\RecordedTV.library-ms | xml | |
MD5:— | SHA256:— | |||
| 2616 | regsvr32.exe | C:\Users\Public\Videos\Sample Videos\desktop.ini | txt | |
MD5:A2F48D7E9C96044546C8A70A32EE45AF | SHA256:FB43D5CFA8672C5C387E0FD4E68FAA474E6D711CF9F6DEDB2D78AB6E5E4CD5A7 | |||
| 2616 | regsvr32.exe | C:\Users\Public\Pictures\Sample Pictures\desktop.ini | txt | |
MD5:C4384EFBD8677DB4A9C575B5B0F245BF | SHA256:290E7C8BFD4311335AD818B8C943494D631E91A67B859A9CD5ECFC34F07E3A9F | |||
| 2616 | regsvr32.exe | C:\Users\Public\Pictures\desktop.ini | text | |
MD5:2F145CCA0196FB928EE5656F2CFC2934 | SHA256:73671D1BA8A835E74033F7E62AFB9371C98F01EFDD760A2D7093ABBFCAB7FAFA | |||
| 2616 | regsvr32.exe | C:\Users\Public\Libraries\RecordedTV.library-ms~RF36fc2c.TMP | xml | |
MD5:— | SHA256:— | |||
Download PCAP, analyze network streams, HTTP content and a lot more at the full report
HTTP(S) requests
0
TCP/UDP connections
1
DNS requests
3
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 |
|---|---|---|---|---|---|---|
3648 | McPreInstall.exe | 131.107.13.100:37 | time-nw.nist.gov | Microsoft Corporation | US | whitelisted |
DNS requests
Domain | IP | Reputation |
|---|---|---|
time-nw.nist.gov |
| whitelisted |
dns.msftncsi.com |
| shared |