| File name: | Setup_MakeMKV_v1.18.1.exe |
| Full analysis: | https://app.any.run/tasks/961322f8-c747-402b-8439-bfb0b082cd2b |
| Verdict: | Malicious activity |
| Analysis date: | April 10, 2025, 18:45:25 |
| OS: | Windows 10 Professional (build: 19044, 64 bit) |
| Indicators: | |
| MIME: | application/vnd.microsoft.portable-executable |
| File info: | PE32 executable (GUI) Intel 80386 (stripped to external PDB), for MS Windows, Nullsoft Installer self-extracting archive, 7 sections |
| MD5: | D1493A9D637C52940519B68FEB745223 |
| SHA1: | F8162A1C7C7AADE61FAB4E15D16BE61EA0E928BA |
| SHA256: | 97A5E8688C5F57F57396750F7139CAB35B5349E6138D1B6E00C6A9B1FCDF1517 |
| SSDEEP: | 98304:AEdklYnykhDoxWTy2s0zvU51yZp/xJQr+RAVOMr+CcizYf0shmfLkW80hHRKKItG:FBjVJ5h3cpjQDhpr021upNOjL9GCe |
MALICIOUS
No malicious indicators.SUSPICIOUS
Executable content was dropped or overwritten
- Setup_MakeMKV_v1.18.1.exe (PID: 7632)
- wincdarb_inst64.exe (PID: 4976)
There is functionality for taking screenshot (YARA)
- Setup_MakeMKV_v1.18.1.exe (PID: 7632)
Malware-specific behavior (creating "System.dll" in Temp)
- Setup_MakeMKV_v1.18.1.exe (PID: 7632)
Executes as Windows Service
- cdarbsvc_v1.2.0_x64.exe (PID: 4688)
Creates a software uninstall entry
- Setup_MakeMKV_v1.18.1.exe (PID: 7632)
Searches for installed software
- makemkvcon64.exe (PID: 6816)
The process creates files with name similar to system file names
- Setup_MakeMKV_v1.18.1.exe (PID: 7632)
INFO
Reads the computer name
- Setup_MakeMKV_v1.18.1.exe (PID: 7632)
- wincdarb_inst64.exe (PID: 8080)
- wincdarb_inst64.exe (PID: 4976)
- cdarbsvc_v1.2.0_x64.exe (PID: 4688)
- makemkv.exe (PID: 2100)
Create files in a temporary directory
- Setup_MakeMKV_v1.18.1.exe (PID: 7632)
- makemkvcon64.exe (PID: 6816)
Creates files in the program directory
- Setup_MakeMKV_v1.18.1.exe (PID: 7632)
- wincdarb_inst64.exe (PID: 4976)
The sample compiled with english language support
- wincdarb_inst64.exe (PID: 4976)
- Setup_MakeMKV_v1.18.1.exe (PID: 7632)
Checks supported languages
- wincdarb_inst64.exe (PID: 8080)
- wincdarb_inst64.exe (PID: 4976)
- cdarbsvc_v1.2.0_x64.exe (PID: 4688)
- makemkv.exe (PID: 2100)
- makemkvcon64.exe (PID: 6816)
- Setup_MakeMKV_v1.18.1.exe (PID: 7632)
Creates files or folders in the user directory
- Setup_MakeMKV_v1.18.1.exe (PID: 7632)
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) (42.2) |
|---|---|---|
| .exe | | | Win64 Executable (generic) (37.3) |
| .dll | | | Win32 Dynamic Link Library (generic) (8.8) |
| .exe | | | Win32 Executable (generic) (6) |
| .exe | | | Generic Win/DOS Executable (2.7) |
EXIF
EXE
| MachineType: | Intel 386 or later, and compatibles |
|---|---|
| TimeStamp: | 2024:02:05 10:18:05+00:00 |
| ImageFileCharacteristics: | No relocs, Executable, No line numbers, No symbols, 32-bit, No debug |
| PEType: | PE32 |
| LinkerVersion: | 2.4 |
| CodeSize: | 43520 |
| InitializedDataSize: | 53760 |
| UninitializedDataSize: | 129024 |
| EntryPoint: | 0x4590 |
| OSVersion: | 4 |
| ImageVersion: | 6 |
| SubsystemVersion: | 4 |
| Subsystem: | Windows GUI |
| FileVersionNumber: | 1.18.1.0 |
| ProductVersionNumber: | 1.18.1.0 |
| FileFlagsMask: | 0x0000 |
| FileFlags: | (none) |
| FileOS: | Win32 |
| ObjectFileType: | Executable application |
| FileSubtype: | - |
| LanguageCode: | English (U.S.) |
| CharacterSet: | Unicode |
| CompanyName: | GuinpinSoft inc |
| FileDescription: | MakeMKV installer |
| FileVersion: | v1.18.1 |
| LegalCopyright: | Copyright (C) 2007-2025 GuinpinSoft inc |
| ProductName: | MakeMKV |
Total processes
141
Monitored processes
11
Malicious processes
1
Suspicious processes
0
Behavior graph
Click at the process to see the details
Process information
PID | CMD | Path | Indicators | Parent process | |||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2100 | "C:\Program Files (x86)\MakeMKV\MakeMKV.exe" | C:\Program Files (x86)\MakeMKV\makemkv.exe | — | Setup_MakeMKV_v1.18.1.exe | |||||||||||
User: admin Company: GuinpinSoft inc Integrity Level: HIGH Description: MakeMKV GUI application Version: v1.18.1 Modules
| |||||||||||||||
| 4688 | "C:\Program Files\Common Files\cdarbsvc\cdarbsvc_v1.2.0_x64.exe" | C:\Program Files\Common Files\cdarbsvc\cdarbsvc_v1.2.0_x64.exe | — | services.exe | |||||||||||
User: SYSTEM Company: GuinpinSoft inc Integrity Level: SYSTEM Description: MakeMKV CdRom Device Arbiter service Version: v1.2.0 Modules
| |||||||||||||||
| 4976 | wincdarb_inst64.exe installTiny | C:\Users\admin\AppData\Local\Temp\nstBFD9.tmp\wincdarb_inst64.exe | Setup_MakeMKV_v1.18.1.exe | ||||||||||||
User: admin Company: GuinpinSoft inc Integrity Level: HIGH Description: MakeMKV CdRom Device Arbiter service Exit code: 0 Version: v1.2.0 Modules
| |||||||||||||||
| 6816 | xxx guiserver A0001+shm | C:\Program Files (x86)\MakeMKV\makemkvcon64.exe | — | makemkv.exe | |||||||||||
User: admin Company: GuinpinSoft inc Integrity Level: HIGH Description: MakeMKV console application Version: v1.18.1 Modules
| |||||||||||||||
| 7256 | \??\C:\WINDOWS\system32\conhost.exe 0xffffffff -ForceV1 | C:\Windows\System32\conhost.exe | — | wincdarb_inst64.exe | |||||||||||
User: admin Company: Microsoft Corporation Integrity Level: HIGH Description: Console Window Host Exit code: 0 Version: 10.0.19041.1 (WinBuild.160101.0800) Modules
| |||||||||||||||
| 7508 | "C:\Users\admin\AppData\Local\Temp\Setup_MakeMKV_v1.18.1.exe" | C:\Users\admin\AppData\Local\Temp\Setup_MakeMKV_v1.18.1.exe | — | explorer.exe | |||||||||||
User: admin Company: GuinpinSoft inc Integrity Level: MEDIUM Description: MakeMKV installer Exit code: 3221226540 Version: v1.18.1 Modules
| |||||||||||||||
| 7632 | "C:\Users\admin\AppData\Local\Temp\Setup_MakeMKV_v1.18.1.exe" | C:\Users\admin\AppData\Local\Temp\Setup_MakeMKV_v1.18.1.exe | explorer.exe | ||||||||||||
User: admin Company: GuinpinSoft inc Integrity Level: HIGH Description: MakeMKV installer Exit code: 0 Version: v1.18.1 Modules
| |||||||||||||||
| 7716 | C:\WINDOWS\system32\SppExtComObj.exe -Embedding | C:\Windows\System32\SppExtComObj.Exe | — | svchost.exe | |||||||||||
User: NETWORK SERVICE Company: Microsoft Corporation Integrity Level: SYSTEM Description: KMS Connection Broker Version: 10.0.19041.3996 (WinBuild.160101.0800) Modules
| |||||||||||||||
| 7748 | "C:\WINDOWS\System32\SLUI.exe" RuleId=3482d82e-ca2c-4e1f-8864-da0267b484b2;Action=AutoActivate;AppId=55c92734-d682-4d71-983e-d6ec3f16059f;SkuId=4de7cb65-cdf1-4de9-8ae8-e3cce27b9f2c;NotificationInterval=1440;Trigger=TimerEvent | C:\Windows\System32\slui.exe | — | SppExtComObj.Exe | |||||||||||
User: NETWORK SERVICE Company: Microsoft Corporation Integrity Level: SYSTEM Description: Windows Activation Client Version: 10.0.19041.1 (WinBuild.160101.0800) Modules
| |||||||||||||||
| 8080 | wincdarb_inst64.exe fixImagePath | C:\Users\admin\AppData\Local\Temp\nstBFD9.tmp\wincdarb_inst64.exe | — | Setup_MakeMKV_v1.18.1.exe | |||||||||||
User: admin Company: GuinpinSoft inc Integrity Level: HIGH Description: MakeMKV CdRom Device Arbiter service Exit code: 2147943460 Version: v1.2.0 Modules
| |||||||||||||||
Total events
517
Read events
507
Write events
10
Delete events
0
Modification events
| (PID) Process: | (7632) Setup_MakeMKV_v1.18.1.exe | Key: | HKEY_LOCAL_MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Uninstall\MakeMKV |
| Operation: | write | Name: | NSIS:StartMenuDir |
Value: MakeMKV | |||
| (PID) Process: | (7632) Setup_MakeMKV_v1.18.1.exe | Key: | HKEY_LOCAL_MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Uninstall\MakeMKV |
| Operation: | write | Name: | DisplayName |
Value: MakeMKV v1.18.1 | |||
| (PID) Process: | (7632) Setup_MakeMKV_v1.18.1.exe | Key: | HKEY_LOCAL_MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Uninstall\MakeMKV |
| Operation: | write | Name: | UninstallString |
Value: C:\Program Files (x86)\MakeMKV\uninst.exe | |||
| (PID) Process: | (7632) Setup_MakeMKV_v1.18.1.exe | Key: | HKEY_LOCAL_MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Uninstall\MakeMKV |
| Operation: | write | Name: | DisplayIcon |
Value: C:\Program Files (x86)\MakeMKV\MakeMKVcon.exe | |||
| (PID) Process: | (7632) Setup_MakeMKV_v1.18.1.exe | Key: | HKEY_LOCAL_MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Uninstall\MakeMKV |
| Operation: | write | Name: | DisplayVersion |
Value: v1.18.1 | |||
| (PID) Process: | (7632) Setup_MakeMKV_v1.18.1.exe | Key: | HKEY_LOCAL_MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Uninstall\MakeMKV |
| Operation: | write | Name: | URLInfoAbout |
Value: http://www.makemkv.com | |||
| (PID) Process: | (7632) Setup_MakeMKV_v1.18.1.exe | Key: | HKEY_LOCAL_MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Uninstall\MakeMKV |
| Operation: | write | Name: | Publisher |
Value: GuinpinSoft inc | |||
| (PID) Process: | (6816) makemkvcon64.exe | Key: | HKEY_CURRENT_USER\SOFTWARE\MakeMKV |
| Operation: | write | Name: | kslc_998b77476cce1050 |
Value: 00000401 | |||
| (PID) Process: | (6816) makemkvcon64.exe | Key: | HKEY_CURRENT_USER\SOFTWARE\MakeMKV |
| Operation: | write | Name: | app_UpdateLastCheck |
Value: 20178 | |||
Executable files
31
Suspicious files
7
Text files
4
Unknown types
0
Dropped files
PID | Process | Filename | Type | |
|---|---|---|---|---|
| 7632 | Setup_MakeMKV_v1.18.1.exe | C:\Program Files (x86)\MakeMKV\makemkv.exe | — | |
MD5:— | SHA256:— | |||
| 7632 | Setup_MakeMKV_v1.18.1.exe | C:\Program Files (x86)\MakeMKV\makemkvcon.exe | executable | |
MD5:25D525A68E73F2DD91940A9C8AE20CBC | SHA256:A45FBA37A24BBB18E675869D048B05D5BB0735FF8A6818C7AD7D7FBD4BC8012D | |||
| 7632 | Setup_MakeMKV_v1.18.1.exe | C:\Users\admin\AppData\Local\Temp\nstBFD9.tmp\LangDLL.dll | executable | |
MD5:879FFF417564B7E40AC155694554EEB0 | SHA256:A77076AC3494E732A0E3171ADEB21514C0CC7A7C9F447589C5048A6D4D08E035 | |||
| 7632 | Setup_MakeMKV_v1.18.1.exe | C:\Program Files (x86)\MakeMKV\libmakemkv.dll | executable | |
MD5:05723432443A3EF67E77F3A1A6FAED0A | SHA256:4EF65390012803A870D34383B51AD67E83F1F9E34DAE7019F008101833905B09 | |||
| 7632 | Setup_MakeMKV_v1.18.1.exe | C:\Users\admin\AppData\Local\Temp\nstBFD9.tmp\nsDialogs.dll | executable | |
MD5:E23B7A59BF4FC0953CD713B8C710EF4F | SHA256:2B32395DF2FEA42A3A79DB54B29F01D82DB71BC090255201E03A6DB872942EE8 | |||
| 7632 | Setup_MakeMKV_v1.18.1.exe | C:\Users\admin\AppData\Local\Temp\nstBFD9.tmp\wincdarb_tiny64.exe | executable | |
MD5:CE3C3F6DE72B3665209111796C1FAEBC | SHA256:8CF5EE320B70D2723F9C8B45AB87561FE00CF5394E907E6D38B84AC01A164F32 | |||
| 7632 | Setup_MakeMKV_v1.18.1.exe | C:\Users\admin\AppData\Local\Temp\nstBFD9.tmp\StartMenu.dll | executable | |
MD5:265266770D1DADCBFF2D258ED65F026C | SHA256:DB702661D0D7A522E95B70B95CDB6405B1E3D80EA7795A4D108A16CF6496D973 | |||
| 7632 | Setup_MakeMKV_v1.18.1.exe | C:\Program Files (x86)\MakeMKV\libdriveio.dll | executable | |
MD5:455944B874E0753D56182F937878168B | SHA256:8E48F9D143D9CE91F963E5BF4297DC0E7135EB60E71C53C569FAF9E2E619B9DF | |||
| 7632 | Setup_MakeMKV_v1.18.1.exe | C:\Users\admin\AppData\Local\Temp\nstBFD9.tmp\System.dll | executable | |
MD5:BCA82A3FAB6254D30B0FC51A75B3DAA5 | SHA256:46B364F13D089636B60C33D3F6A4B1D2CD32E6AF8D9BC29339AF0B7DADD21703 | |||
| 7632 | Setup_MakeMKV_v1.18.1.exe | C:\Program Files (x86)\MakeMKV\libdriveio64.dll | executable | |
MD5:7678849CAA8EBA2560575220696F9ACA | SHA256:60A2DD89AC05F71F8B643CF800706A74E853BEA15DA99A46BB9E1C6D4147A44D | |||
Download PCAP, analyze network streams, HTTP content and a lot more at the full report
HTTP(S) requests
5
TCP/UDP connections
18
DNS requests
12
Threats
0
HTTP requests
PID | Process | Method | HTTP Code | IP | URL | CN | Type | Size | Reputation |
|---|---|---|---|---|---|---|---|---|---|
— | — | GET | 200 | 23.48.23.166:80 | http://crl.microsoft.com/pki/crl/products/MicRooCerAut2011_2011_03_22.crl | unknown | — | — | whitelisted |
5496 | MoUsoCoreWorker.exe | GET | 200 | 23.48.23.166:80 | http://crl.microsoft.com/pki/crl/products/MicRooCerAut2011_2011_03_22.crl | unknown | — | — | whitelisted |
6436 | SIHClient.exe | GET | 200 | 184.30.21.171:80 | http://www.microsoft.com/pkiops/crl/Microsoft%20ECC%20Product%20Root%20Certificate%20Authority%202018.crl | unknown | — | — | whitelisted |
6436 | SIHClient.exe | GET | 200 | 184.30.21.171:80 | http://www.microsoft.com/pkiops/crl/Microsoft%20ECC%20Update%20Secure%20Server%20CA%202.1.crl | unknown | — | — | whitelisted |
6544 | svchost.exe | GET | 200 | 2.23.77.188:80 | http://ocsp.digicert.com/MFEwTzBNMEswSTAJBgUrDgMCGgUABBSAUQYBMq2awn1Rh6Doh%2FsBYgFV7gQUA95QNVbRTLtm8KPiGxvDl7I90VUCEAJ0LqoXyo4hxxe7H%2Fz9DKA%3D | unknown | — | — | whitelisted |
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 |
— | — | 51.104.136.2:443 | settings-win.data.microsoft.com | MICROSOFT-CORP-MSN-AS-BLOCK | IE | whitelisted |
4 | System | 192.168.100.255:138 | — | — | — | whitelisted |
— | — | 23.48.23.166:80 | crl.microsoft.com | Akamai International B.V. | DE | whitelisted |
5496 | MoUsoCoreWorker.exe | 23.48.23.166:80 | crl.microsoft.com | Akamai International B.V. | DE | whitelisted |
3216 | svchost.exe | 172.211.123.249:443 | client.wns.windows.com | MICROSOFT-CORP-MSN-AS-BLOCK | FR | whitelisted |
6544 | svchost.exe | 40.126.32.68:443 | login.live.com | MICROSOFT-CORP-MSN-AS-BLOCK | NL | whitelisted |
6544 | svchost.exe | 2.23.77.188:80 | ocsp.digicert.com | AKAMAI-AS | DE | whitelisted |
2104 | svchost.exe | 51.124.78.146:443 | settings-win.data.microsoft.com | MICROSOFT-CORP-MSN-AS-BLOCK | NL | whitelisted |
6436 | SIHClient.exe | 172.202.163.200:443 | slscr.update.microsoft.com | MICROSOFT-CORP-MSN-AS-BLOCK | GB | whitelisted |
DNS requests
Domain | IP | Reputation |
|---|---|---|
google.com |
| whitelisted |
settings-win.data.microsoft.com |
| whitelisted |
crl.microsoft.com |
| whitelisted |
client.wns.windows.com |
| whitelisted |
login.live.com |
| whitelisted |
ocsp.digicert.com |
| whitelisted |
slscr.update.microsoft.com |
| whitelisted |
www.microsoft.com |
| whitelisted |
fe3cr.delivery.mp.microsoft.com |
| whitelisted |