| File name: | bootskin_free.exe |
| Full analysis: | https://app.any.run/tasks/049eab75-8024-4d06-a4bd-95e604cd2e35 |
| Verdict: | Malicious activity |
| Analysis date: | May 25, 2025, 18:27:52 |
| OS: | Windows 7 Professional Service Pack 1 (build: 7601, 32 bit) |
| Indicators: | |
| MIME: | application/vnd.microsoft.portable-executable |
| File info: | PE32 executable (GUI) Intel 80386, for MS Windows, 4 sections |
| MD5: | 496735BA53F15AFBA30233C7C1B11E13 |
| SHA1: | 66DF0DA35A8567F3F1387716DBD152A3F9C6B3B4 |
| SHA256: | 8EFD264263CA146CACC03A301D2852D1FA3625228C39C6676AB620FC67054E92 |
| SSDEEP: | 49152:FthbBxbPxmhGLesRyQ8j0KHPSq191doCp8B0p3u+ts1HpQ2RqD7OdEYG9RG:F7NxbP0YCQI0KL1dbp8Op3u+ypQ2RcSl |
MALICIOUS
No malicious indicators.SUSPICIOUS
Executable content was dropped or overwritten
- bootskin_free.exe (PID: 1748)
Searches for installed software
- bootskin_free.exe (PID: 1748)
Creates a software uninstall entry
- bootskin_free.exe (PID: 1748)
Creates files in the driver directory
- bootskin_free.exe (PID: 1748)
Drops a system driver (possible attempt to evade defenses)
- bootskin_free.exe (PID: 1748)
Reads the Internet Settings
- bootskin_free.exe (PID: 1748)
Reads security settings of Internet Explorer
- bootskin_free.exe (PID: 1748)
Creates or modifies Windows services
- bootskin_free.exe (PID: 1748)
- BootSkin.exe (PID: 3044)
There is functionality for taking screenshot (YARA)
- bootskin_free.exe (PID: 1748)
- BootSkin.exe (PID: 3044)
INFO
Checks supported languages
- bootskin_free.exe (PID: 1748)
- BootSkin.exe (PID: 3044)
The sample compiled with english language support
- bootskin_free.exe (PID: 1748)
Create files in a temporary directory
- bootskin_free.exe (PID: 1748)
Reads the computer name
- bootskin_free.exe (PID: 1748)
Creates files in the program directory
- bootskin_free.exe (PID: 1748)
Reads security settings of Internet Explorer
- explorer.exe (PID: 2948)
Reads the Internet Settings
- explorer.exe (PID: 2948)
Find more information about signature artifacts and mapping to MITRE ATT&CK™ MATRIX at the full report
TRiD
| .exe | | | Wise Installer executable (96.9) |
|---|---|---|
| .dll | | | Win32 Dynamic Link Library (generic) (1.3) |
| .exe | | | Win32 Executable (generic) (0.9) |
| .exe | | | Generic Win/DOS Executable (0.4) |
| .exe | | | DOS Executable Generic (0.4) |
EXIF
EXE
| MachineType: | Intel 386 or later, and compatibles |
|---|---|
| TimeStamp: | 2000:04:25 14:37:12+00:00 |
| ImageFileCharacteristics: | No relocs, Executable, No line numbers, No symbols, 32-bit, Removable run from swap |
| PEType: | PE32 |
| LinkerVersion: | 6 |
| CodeSize: | 8704 |
| InitializedDataSize: | 5632 |
| UninitializedDataSize: | - |
| EntryPoint: | 0x21af |
| OSVersion: | 4 |
| ImageVersion: | 4 |
| SubsystemVersion: | 4 |
| Subsystem: | Windows GUI |
| FileVersionNumber: | 1.0.0.0 |
| ProductVersionNumber: | 1.0.0.0 |
| FileFlagsMask: | 0x003f |
| FileFlags: | (none) |
| FileOS: | Windows 16-bit |
| ObjectFileType: | Executable application |
| FileSubtype: | - |
| LanguageCode: | English (U.S.) |
| CharacterSet: | Windows, Latin1 |
| CompanyName: | Stardock.net, Inc. www.stardock.com |
| FileDescription: | BootSkin |
| FileVersion: | 1.x |
| LegalCopyright: | Stardock.net, Inc. 2003 |
Total processes
39
Monitored processes
5
Malicious processes
2
Suspicious processes
0
Behavior graph
Click at the process to see the details
Process information
PID | CMD | Path | Indicators | Parent process | |||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 672 | "C:\Windows\explorer.exe" C:\Users\admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\WinCustomize | C:\Windows\explorer.exe | — | bootskin_free.exe | |||||||||||
User: admin Company: Microsoft Corporation Integrity Level: HIGH Description: Windows Explorer Exit code: 1 Version: 6.1.7600.16385 (win7_rtm.090713-1255) Modules
| |||||||||||||||
| 1748 | "C:\Users\admin\AppData\Local\Temp\bootskin_free.exe" | C:\Users\admin\AppData\Local\Temp\bootskin_free.exe | explorer.exe | ||||||||||||
User: admin Integrity Level: HIGH Exit code: 0 Modules
| |||||||||||||||
| 2168 | "C:\Users\admin\AppData\Local\Temp\bootskin_free.exe" | C:\Users\admin\AppData\Local\Temp\bootskin_free.exe | — | explorer.exe | |||||||||||
User: admin Integrity Level: MEDIUM Exit code: 3221226540 Modules
| |||||||||||||||
| 2948 | C:\Windows\explorer.exe /factory,{75dff2b7-6936-4c06-a8bb-676a7b00b24b} -Embedding | C:\Windows\explorer.exe | — | svchost.exe | |||||||||||
User: admin Company: Microsoft Corporation Integrity Level: MEDIUM Description: Windows Explorer Version: 6.1.7600.16385 (win7_rtm.090713-1255) Modules
| |||||||||||||||
| 3044 | "C:\PROGRA~1\Stardock\WINCUS~1\BootSkin\BootSkin.exe" | C:\Program Files\Stardock\WinCustomize\BootSkin\BootSkin.exe | — | bootskin_free.exe | |||||||||||
User: admin Integrity Level: HIGH Description: Stardock BootSkin! Version: 1, 0, 6, 0 Modules
| |||||||||||||||
Total events
5 018
Read events
4 918
Write events
97
Delete events
3
Modification events
| (PID) Process: | (1748) bootskin_free.exe | Key: | HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Uninstall\BootSkin |
| Operation: | write | Name: | DisplayName |
Value: BootSkin | |||
| (PID) Process: | (1748) bootskin_free.exe | Key: | HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Uninstall\BootSkin |
| Operation: | write | Name: | UninstallString |
Value: C:\PROGRA~1\Stardock\WINCUS~1\BootSkin\UNWISE.EXE C:\PROGRA~1\Stardock\WINCUS~1\BootSkin\INSTALL.LOG | |||
| (PID) Process: | (1748) bootskin_free.exe | Key: | HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\SharedDLLs |
| Operation: | write | Name: | C:\Program Files\Common Files\Stardock\ODZip.dll |
Value: 1 | |||
| (PID) Process: | (1748) bootskin_free.exe | Key: | HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap |
| Operation: | write | Name: | ProxyBypass |
Value: 1 | |||
| (PID) Process: | (1748) bootskin_free.exe | Key: | HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap |
| Operation: | write | Name: | IntranetName |
Value: 1 | |||
| (PID) Process: | (1748) bootskin_free.exe | Key: | HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap |
| Operation: | write | Name: | UNCAsIntranet |
Value: 1 | |||
| (PID) Process: | (1748) bootskin_free.exe | Key: | HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap |
| Operation: | write | Name: | AutoDetect |
Value: 0 | |||
| (PID) Process: | (1748) bootskin_free.exe | Key: | HKEY_LOCAL_MACHINE\SOFTWARE\Stardock\ObjectDesktop |
| Operation: | write | Name: | ODCommonFiles |
Value: C:\PROGRA~1\COMMON~1\Stardock | |||
| (PID) Process: | (1748) bootskin_free.exe | Key: | HKEY_LOCAL_MACHINE\SOFTWARE\Stardock\ObjectDesktop |
| Operation: | write | Name: | ODZip |
Value: C:\PROGRA~1\COMMON~1\Stardock\odzip.dll | |||
| (PID) Process: | (1748) bootskin_free.exe | Key: | HKEY_LOCAL_MACHINE\SYSTEM\ControlSet001\services\BootScreen |
| Operation: | write | Name: | Group |
Value: Boot Bus Extender | |||
Executable files
12
Suspicious files
100
Text files
73
Unknown types
0
Dropped files
PID | Process | Filename | Type | |
|---|---|---|---|---|
| 1748 | bootskin_free.exe | C:\Program Files\Stardock\WinCustomize\BootSkin\~GLH0001.TMP | executable | |
MD5:3A938ED2427DF10E571041069E6980CB | SHA256:4751A3547F3B482BB4A2440D4E91E3DCBA9B4B0F5B1BB50416A32FB47AE75C5E | |||
| 1748 | bootskin_free.exe | C:\Users\admin\AppData\Local\Temp\~GLH0000.TMP | executable | |
MD5:B9B41E50D612E00BF3A49A6405B89D74 | SHA256:50E7A30E1825FAB93B94B698C2C6D2CC1787B094C6CEE53EEED5C497F77443C9 | |||
| 1748 | bootskin_free.exe | C:\Users\admin\AppData\Local\Temp\GLK1DC5.tmp | executable | |
MD5:3DF61E5730883B2D338ADDD7ACBE4BC4 | SHA256:2EFE9A54C8EB878711D9B6CD18F276838645AFF52FE69D8A864376CB258EC616 | |||
| 1748 | bootskin_free.exe | C:\Program Files\Stardock\WinCustomize\BootSkin\~GLH0002.TMP | executable | |
MD5:998492D3C53EEF257308C016AC9DD825 | SHA256:22F45F5366BB6B14FE12187C97AB96C1C4FD93EDD2B46F4DA7D13D44E589A245 | |||
| 1748 | bootskin_free.exe | C:\Program Files\Stardock\WinCustomize\BootSkin\BootSkin.exe | executable | |
MD5:998492D3C53EEF257308C016AC9DD825 | SHA256:22F45F5366BB6B14FE12187C97AB96C1C4FD93EDD2B46F4DA7D13D44E589A245 | |||
| 1748 | bootskin_free.exe | C:\Program Files\Stardock\WinCustomize\BootSkin\~GLH0004.TMP | text | |
MD5:0765402CC5637DCC74DB267AC3627DA4 | SHA256:873270B63FB67A1EEACD6D939E57D391104EDEE82CF0A47C20750D4EE6C5D5FE | |||
| 1748 | bootskin_free.exe | C:\Program Files\Stardock\WinCustomize\BootSkin\~GLH0003.TMP | text | |
MD5:39DA5AD27749FE8356A57F8A63F2CD7E | SHA256:5A7AE7565A37BE63D96D073A03EBBF3E9E82534DD2DEA24D114B5F4409B1C88F | |||
| 1748 | bootskin_free.exe | C:\Program Files\Stardock\WinCustomize\BootSkin\eula.txt | text | |
MD5:39DA5AD27749FE8356A57F8A63F2CD7E | SHA256:5A7AE7565A37BE63D96D073A03EBBF3E9E82534DD2DEA24D114B5F4409B1C88F | |||
| 1748 | bootskin_free.exe | C:\Program Files\Stardock\WinCustomize\BootSkin\readme.txt | text | |
MD5:0765402CC5637DCC74DB267AC3627DA4 | SHA256:873270B63FB67A1EEACD6D939E57D391104EDEE82CF0A47C20750D4EE6C5D5FE | |||
| 1748 | bootskin_free.exe | C:\Windows\System32\drivers\~GLH0005.TMP | executable | |
MD5:D9393B767A3BDEE076C123D03F2E233B | SHA256:856815C615C6EA77E56B28B7D39EE076A42AF5B762C327213080397531AC0062 | |||
Download PCAP, analyze network streams, HTTP content and a lot more at the full report
HTTP(S) requests
0
TCP/UDP connections
5
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 |
|---|---|---|---|---|---|---|
4 | System | 192.168.100.255:137 | — | — | — | whitelisted |
1080 | svchost.exe | 224.0.0.252:5355 | — | — | — | whitelisted |
4 | System | 192.168.100.255:138 | — | — | — | whitelisted |
DNS requests
Domain | IP | Reputation |
|---|---|---|
google.com |
| whitelisted |