File name:

obs-virtualcam-2.0.5-Windows-installer.exe

Full analysis: https://app.any.run/tasks/dca9b8dd-c48f-472f-851b-b5fc5690099c
Verdict: Malicious activity
Analysis date: August 30, 2020, 04:23:29
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, Nullsoft Installer self-extracting archive
MD5:

EDE147E213E56844253030AAD616C26A

SHA1:

5126199324484BA4D536D466324B75928C7C1A9A

SHA256:

AAE3B5FF00D18C0268799C4AD8B58F985E9BC281A08806398D771E62930AD514

SSDEEP:

24576:i2jEiktK2qiVW0dmtrthrrdNHKsQcQsJ9YeaOY:33ipVO3rvLysJtaz

ANY.RUN is an interactive service which provides full access to the guest system. Information in this report could be distorted by user actions and is provided for user acknowledgement as it is. ANY.RUN does not guarantee maliciousness or safety of the content.

  • MALICIOUS

    • Loads dropped or rewritten executable

      • obs-virtualcam-2.0.5-Windows-installer.exe (PID: 4040)

    • Registers / Runs the DLL via REGSVR32.EXE

      • obs-virtualcam-2.0.5-Windows-installer.exe (PID: 4040)

  • SUSPICIOUS

    • Executable content was dropped or overwritten

      • obs-virtualcam-2.0.5-Windows-installer.exe (PID: 4040)

    • Creates files in the program directory

      • obs-virtualcam-2.0.5-Windows-installer.exe (PID: 4040)

    • Creates a software uninstall entry

      • obs-virtualcam-2.0.5-Windows-installer.exe (PID: 4040)

  • INFO

    No info indicators.
Find more information about signature artifacts and mapping to MITRE ATT&CK™ MATRIX at the full report
No Malware configuration.

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: 2019:12:16 01:50:47+01:00
PEType: PE32
LinkerVersion: 6
CodeSize: 25600
InitializedDataSize: 141824
UninitializedDataSize: 2048
EntryPoint: 0x33c4
OSVersion: 4
ImageVersion: 6
SubsystemVersion: 4
Subsystem: Windows GUI

Summary

Architecture: IMAGE_FILE_MACHINE_I386
Subsystem: IMAGE_SUBSYSTEM_WINDOWS_GUI
Compilation Date: 16-Dec-2019 00:50:47
Detected languages:
  • English - United States

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: 0x000000C8

PE Headers

Signature: PE
Machine: IMAGE_FILE_MACHINE_I386
Number of sections: 5
Time date stamp: 16-Dec-2019 00:50:47
Pointer to Symbol Table: 0x00000000
Number of symbols: 0
Size of Optional Header: 0x00E0
Characteristics:
  • IMAGE_FILE_32BIT_MACHINE
  • IMAGE_FILE_EXECUTABLE_IMAGE
  • IMAGE_FILE_LINE_NUMS_STRIPPED
  • IMAGE_FILE_LOCAL_SYMS_STRIPPED
  • IMAGE_FILE_RELOCS_STRIPPED

Sections

Name
Virtual Address
Virtual Size
Raw Size
Charateristics
Entropy
.text
0x00001000
0x0000631A
0x00006400
IMAGE_SCN_CNT_CODE, IMAGE_SCN_MEM_EXECUTE, IMAGE_SCN_MEM_READ
6.44843
.rdata
0x00008000
0x00001384
0x00001400
IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_READ
5.13881
.data
0x0000A000
0x00020318
0x00000600
IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_READ, IMAGE_SCN_MEM_WRITE
3.90283
.ndata
0x0002B000
0x00014000
0x00000000
IMAGE_SCN_CNT_UNINITIALIZED_DATA, IMAGE_SCN_MEM_READ, IMAGE_SCN_MEM_WRITE
0
.rsrc
0x0003F000
0x00017BF8
0x00017C00
IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_READ
6.85765

Resources

Title
Entropy
Size
Codepage
Language
Type
1
5.28847
1070
UNKNOWN
English - United States
RT_MANIFEST
2
5.13176
16936
UNKNOWN
English - United States
RT_ICON
3
5.38094
9640
UNKNOWN
English - United States
RT_ICON
4
5.47272
6760
UNKNOWN
English - United States
RT_ICON
5
5.70495
4264
UNKNOWN
English - United States
RT_ICON
6
5.28652
3752
UNKNOWN
English - United States
RT_ICON
7
5.90918
2440
UNKNOWN
English - United States
RT_ICON
8
5.51365
2216
UNKNOWN
English - United States
RT_ICON
9
5.95737
1720
UNKNOWN
English - United States
RT_ICON
10
5.13888
1384
UNKNOWN
English - United States
RT_ICON

Imports

ADVAPI32.dll
COMCTL32.dll
GDI32.dll
KERNEL32.dll
SHELL32.dll
USER32.dll
ole32.dll
No data.
screenshotscreenshotscreenshotscreenshotscreenshot
All screenshots are available in the full report
All screenshots are available in the full report
Total processes
41
Monitored processes
3
Malicious processes
1
Suspicious processes
0

Behavior graph

Click at the process to see the details
start obs-virtualcam-2.0.5-windows-installer.exe regsvr32.exe no specs obs-virtualcam-2.0.5-windows-installer.exe no specs

Process information

PID
CMD
Path
Indicators
Parent process
2908C:\Windows\system32\regsvr32.exe /s /n /i:1 "C:\Program Files\obs-studio\bin\64bit\obs-virtualsource.dll"C:\Windows\system32\regsvr32.exe—obs-virtualcam-2.0.5-Windows-installer.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
Images
c:\windows\system32\regsvr32.exe
c:\systemroot\system32\ntdll.dll
c:\windows\system32\kernel32.dll
c:\windows\system32\kernelbase.dll
c:\windows\system32\msvcrt.dll
c:\windows\system32\advapi32.dll
c:\windows\system32\sechost.dll
c:\windows\system32\rpcrt4.dll
c:\windows\system32\user32.dll
c:\windows\system32\gdi32.dll
2972"C:\Users\admin\AppData\Local\Temp\obs-virtualcam-2.0.5-Windows-installer.exe" C:\Users\admin\AppData\Local\Temp\obs-virtualcam-2.0.5-Windows-installer.exe—explorer.exe
User:
admin
Integrity Level:
MEDIUM
Exit code:
3221226540
Modules
Images
c:\systemroot\system32\ntdll.dll
4040"C:\Users\admin\AppData\Local\Temp\obs-virtualcam-2.0.5-Windows-installer.exe" C:\Users\admin\AppData\Local\Temp\obs-virtualcam-2.0.5-Windows-installer.exe
explorer.exe
User:
admin
Integrity Level:
HIGH
Exit code:
0
Modules
Images
c:\users\admin\appdata\local\temp\obs-virtualcam-2.0.5-windows-installer.exe
c:\systemroot\system32\ntdll.dll
c:\windows\system32\kernel32.dll
c:\windows\system32\kernelbase.dll
c:\windows\system32\user32.dll
c:\windows\system32\gdi32.dll
c:\windows\system32\lpk.dll
c:\windows\system32\usp10.dll
c:\windows\system32\msvcrt.dll
c:\windows\system32\shell32.dll
Total events
340
Read events
337
Write events
3
Delete events
0

Modification events

(PID) Process:(4040) obs-virtualcam-2.0.5-Windows-installer.exeKey:HKEY_LOCAL_MACHINE\SOFTWARE\obs-virtualcam
Operation:writeName:(default)
Value:
C:\Program Files\obs-studio
(PID) Process:(4040) obs-virtualcam-2.0.5-Windows-installer.exeKey:HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Uninstall\obs-virtualcam
Operation:writeName:DisplayName
Value:
obs-virtualcam
(PID) Process:(4040) obs-virtualcam-2.0.5-Windows-installer.exeKey:HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Uninstall\obs-virtualcam
Operation:writeName:UninstallString
Value:
C:\Program Files\obs-studio\uninstall_obs-virtualcam.exe
Executable files
9
Suspicious files
0
Text files
32
Unknown types
3

Dropped files

PID
Process
Filename
Type
4040obs-virtualcam-2.0.5-Windows-installer.exeC:\Users\admin\AppData\Local\Temp\nsl334C.tmp\ioSpecial.initext
MD5:—
SHA256:—
4040obs-virtualcam-2.0.5-Windows-installer.exeC:\Users\admin\AppData\Local\Temp\nsl334C.tmp\InstallOptions.dllexecutable
MD5:09D8971BEEFEFFFD710030DD167A99E0
SHA256:CAF64A4E9449220BA618A9AA2AE4ED3774C5D0F193BDA44BE22676C27AE0EC95
4040obs-virtualcam-2.0.5-Windows-installer.exeC:\Users\admin\AppData\Local\Temp\nsl334C.tmp\nsDialogs.dllexecutable
MD5:EC9640B70E07141FEBBE2CD4CC42510F
SHA256:C5BA017732597A82F695B084D1AA7FE3B356168CC66105B9392A9C5B06BE5188
4040obs-virtualcam-2.0.5-Windows-installer.exeC:\Users\admin\AppData\Local\Temp\nsl334C.tmp\modern-wizard.bmpimage
MD5:CBE40FD2B1EC96DAEDC65DA172D90022
SHA256:3AD2DC318056D0A2024AF1804EA741146CFC18CC404649A44610CBF8B2056CF2
4040obs-virtualcam-2.0.5-Windows-installer.exeC:\Program Files\obs-studio\data\obs-plugins\obs-virtualoutput\swscale-5.dllexecutable
MD5:5C7C1E65F73404FB631455BFC797E810
SHA256:D890190D65DD773A2556523116825073EA4222237B8DF76A8A0F0D3F1C49FCFF
4040obs-virtualcam-2.0.5-Windows-installer.exeC:\Program Files\obs-studio\data\obs-plugins\obs-virtualoutput\obs-virtualsource.dllexecutable
MD5:BACDB4D6FD6EEF1611DFB9E706CA6F4E
SHA256:ADDF3509D865E6BB4EF6925A1242799D9393A2F5A24EC97BDAFEE020DD307E3B
4040obs-virtualcam-2.0.5-Windows-installer.exeC:\Program Files\obs-studio\data\obs-plugins\obs-virtualoutput\locale\zh-TW.initext
MD5:973878053BBECCDC450543B61F679C50
SHA256:FBE30F68D40B8BC55AC789F72B1B2B52591C15564F69F6C7FA5E5ECEBCA76A5A
4040obs-virtualcam-2.0.5-Windows-installer.exeC:\Program Files\obs-studio\bin\64bit\obs-virtualsource.dllexecutable
MD5:4CA8A209DD382063BD9BB175B7EE4F92
SHA256:720E6AC6810A42F2037051C40595E38C1BF4BF93C4181CA780604D43D618C5A4
4040obs-virtualcam-2.0.5-Windows-installer.exeC:\Program Files\obs-studio\obs-plugins\64bit\obs-virtualoutput.dllexecutable
MD5:C406C0FDC6E06A275C408808D695714F
SHA256:113FDF40BC49D7AC94D590CA668AB20C375DB65D7B55FA99AAB9877BDB080CE5
4040obs-virtualcam-2.0.5-Windows-installer.exeC:\Program Files\obs-studio\data\obs-plugins\obs-virtualoutput\avutil-56.dllexecutable
MD5:E21468D5A285DB10BBBA3184BA0D786C
SHA256:F0D7C0B179EEF1E361DB486B22B8D5BF1388609B998305293FDD3DC3B394A0E7
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

No HTTP requests
Download PCAP, analyze network streams, HTTP content and a lot more at the full report

Connections

No data

DNS requests

No data

Threats

No threats detected
No debug info
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Reports
obs-virtualcam-2.0.5-Windows-installer.exe