File name:

C:\Users\admin\AppData\Roaming\Mozilla\Firefox\Profiles\qldyz51w.default\gmp-gmpopenh264\1.8.1.1\gmpopenh264.dll.tmp

Full analysis: https://app.any.run/tasks/b88a1309-cb83-4ef8-a1b1-ed817e66378c
Verdict: Malicious activity
Analysis date: November 19, 2021, 20:45:01
OS: Windows 7 Professional Service Pack 1 (build: 7601, 32 bit)
Indicators:
MIME: application/x-dosexec
File info: PE32 executable (DLL) (GUI) Intel 80386, for MS Windows
MD5:

D23F706F2EACC190F2D4B75B041670D5

SHA1:

7DED6EE7912BAAD38A0D70E979E21A97DE8FD665

SHA256:

CED08CE5BC45DBE505FA94B3A4268C0830CCDA016A23C0ACB16DD7268CFA7A65

SSDEEP:

24576:sAOHCYPulBi8knduE5vif0hexELM4zs+3pMepbsVj9XXfedmRi:zOlkCdrgxEY4zs2ij9XXfgmRi

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

      • Explorer.EXE (PID: 636)
      • rundll32.exe (PID: 2648)

  • SUSPICIOUS

    • Uses RUNDLL32.EXE to load library

      • Explorer.EXE (PID: 636)
      • cmd.exe (PID: 3340)

    • Checks supported languages

      • cmd.exe (PID: 3340)

    • Starts CMD.EXE for commands execution

      • Explorer.EXE (PID: 636)

  • INFO

    • Checks supported languages

      • rundll32.exe (PID: 3180)
      • Explorer.EXE (PID: 636)
      • rundll32.exe (PID: 604)
      • rundll32.exe (PID: 2648)

    • Loads main object executable

      • rundll32.exe (PID: 3180)

    • Reads Microsoft Office registry keys

      • Explorer.EXE (PID: 636)
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: 2019:03:02 17:54:21+01:00
PEType: PE32
LinkerVersion: 14.15
CodeSize: 1042944
InitializedDataSize: 187392
UninitializedDataSize: -
EntryPoint: 0xdb450
OSVersion: 6
ImageVersion: -
SubsystemVersion: 6
Subsystem: Windows GUI

Summary

Architecture: IMAGE_FILE_MACHINE_I386
Subsystem: IMAGE_SUBSYSTEM_WINDOWS_GUI
Compilation Date: 02-Mar-2019 16:54:21
Debug artifacts:
  • z:\task_1551543229\build\openh264\gmpopenh264.pdb

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: 0x000000F8

PE Headers

Signature: PE
Machine: IMAGE_FILE_MACHINE_I386
Number of sections: 5
Time date stamp: 02-Mar-2019 16:54:21
Pointer to Symbol Table: 0x00000000
Number of symbols: 0
Size of Optional Header: 0x00E0
Characteristics:
  • IMAGE_FILE_32BIT_MACHINE
  • IMAGE_FILE_DLL
  • IMAGE_FILE_EXECUTABLE_IMAGE

Sections

Name
Virtual Address
Virtual Size
Raw Size
Charateristics
Entropy
.text
0x00001000
0x000FE9DE
0x000FEA00
IMAGE_SCN_CNT_CODE, IMAGE_SCN_MEM_EXECUTE, IMAGE_SCN_MEM_READ
6.31443
.rdata
0x00100000
0x000246C6
0x00024800
IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_READ
5.93117
.data
0x00125000
0x00002C18
0x00001E00
IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_READ, IMAGE_SCN_MEM_WRITE
4.26644
.rodata
0x00128000
0x00001320
0x00001400
IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_READ
3.64432
.reloc
0x0012A000
0x000051C4
0x00005200
IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_DISCARDABLE, IMAGE_SCN_MEM_READ
6.57661

Imports

KERNEL32.dll

Exports

Title
Ordinal
Address
GMPGetAPI
1
0x00001130
GMPInit
2
0x00001110
GMPShutdown
3
0x00001210
WelsCreateDecoder
4
0x000AF170
WelsCreateSVCEncoder
5
0x0006ABD0
WelsDestroyDecoder
6
0x000AF1E0
WelsDestroySVCEncoder
7
0x0006AC30
WelsGetCodecVersion
8
0x0006AC90
WelsGetCodecVersionEx
9
0x0006ACC0
No data.
screenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshot
All screenshots are available in the full report
All screenshots are available in the full report
Total processes
39
Monitored processes
5
Malicious processes
2
Suspicious processes
1

Behavior graph

Click at the process to see the details
start rundll32.exe no specs explorer.exe no specs cmd.exe no specs rundll32.exe no specs rundll32.exe no specs

Process information

PID
CMD
Path
Indicators
Parent process
604rundll32C:\Windows\system32\rundll32.exe—cmd.exe
User:
admin
Company:
Microsoft Corporation
Integrity Level:
MEDIUM
Description:
Windows host process (Rundll32)
Exit code:
0
Version:
6.1.7600.16385 (win7_rtm.090713-1255)
Modules
Images
c:\windows\system32\rundll32.exe
c:\windows\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\sechost.dll
636C:\Windows\Explorer.EXEC:\Windows\Explorer.EXE——
User:
admin
Company:
Microsoft Corporation
Integrity Level:
MEDIUM
Description:
Windows Explorer
Exit code:
0
Version:
6.1.7600.16385 (win7_rtm.090713-1255)
Modules
Images
c:\windows\explorer.exe
c:\windows\system32\ntdll.dll
c:\windows\system32\kernel32.dll
c:\windows\system32\kernelbase.dll
c:\windows\system32\advapi32.dll
c:\windows\system32\msvcrt.dll
c:\windows\system32\sechost.dll
c:\windows\system32\rpcrt4.dll
c:\windows\system32\gdi32.dll
c:\windows\system32\user32.dll
2648rundll32 C:\Users\admin\AppData\Local\Temp\gmpopenh264.dll.tmp.exe, GMpgetapiC:\Windows\system32\rundll32.exe—cmd.exe
User:
admin
Company:
Microsoft Corporation
Integrity Level:
MEDIUM
Description:
Windows host process (Rundll32)
Exit code:
0
Version:
6.1.7600.16385 (win7_rtm.090713-1255)
Modules
Images
c:\windows\system32\rundll32.exe
c:\windows\system32\ntdll.dll
c:\windows\system32\kernel32.dll
c:\windows\system32\kernelbase.dll
c:\windows\system32\gdi32.dll
c:\windows\system32\user32.dll
c:\windows\system32\lpk.dll
c:\windows\system32\usp10.dll
c:\windows\system32\msvcrt.dll
c:\windows\system32\imagehlp.dll
3180"C:\Windows\System32\rundll32.exe" "C:\Users\admin\AppData\Local\Temp\gmpopenh264.dll.tmp.exe", GMPGetAPIC:\Windows\System32\rundll32.exe—Explorer.EXE
User:
admin
Company:
Microsoft Corporation
Integrity Level:
MEDIUM
Description:
Windows host process (Rundll32)
Exit code:
0
Version:
6.1.7600.16385 (win7_rtm.090713-1255)
Modules
Images
c:\windows\system32\ntdll.dll
c:\windows\system32\kernelbase.dll
c:\windows\system32\rundll32.exe
c:\windows\system32\kernel32.dll
c:\windows\system32\gdi32.dll
c:\windows\system32\user32.dll
c:\windows\system32\lpk.dll
c:\windows\system32\usp10.dll
c:\windows\system32\msvcrt.dll
c:\windows\system32\imagehlp.dll
3340"cmd.exe" /s /k pushd "C:\Users\admin\AppData\Local\Temp"C:\Windows\system32\cmd.exe—Explorer.EXE
User:
admin
Company:
Microsoft Corporation
Integrity Level:
MEDIUM
Description:
Windows Command Processor
Exit code:
0
Version:
6.1.7601.17514 (win7sp1_rtm.101119-1850)
Modules
Images
c:\windows\system32\cmd.exe
c:\windows\system32\ntdll.dll
c:\windows\system32\kernel32.dll
c:\windows\system32\kernelbase.dll
c:\windows\system32\msvcrt.dll
c:\windows\system32\winbrand.dll
c:\windows\system32\user32.dll
c:\windows\system32\gdi32.dll
c:\windows\system32\lpk.dll
c:\windows\system32\usp10.dll
Total events
12 092
Read events
11 022
Write events
1 067
Delete events
3

Modification events

(PID) Process:(636) Explorer.EXEKey:HKEY_CLASSES_ROOT\Local Settings\MuiCache\16C\52C64B7E
Operation:writeName:LanguageList
Value:
en-US
(PID) Process:(636) Explorer.EXEKey:HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Explorer\ApplicationDestinations
Operation:writeName:MaxEntries
Value:
15
(PID) Process:(636) Explorer.EXEKey:HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Explorer\StartPage
Operation:writeName:StartMenu_Balloon_Time
Value:
2E6ECB6486DDD701
(PID) Process:(636) Explorer.EXEKey:HKEY_CLASSES_ROOT\Local Settings\MuiCache\16C\52C64B7E
Operation:writeName:@%systemroot%\system32\recdisc.exe,-2001
Value:
Creates a disc you can use to access system recovery options.
(PID) Process:(636) Explorer.EXEKey:HKEY_CLASSES_ROOT\Local Settings\MuiCache\16C\52C64B7E
Operation:writeName:@%windir%\system32\speech\speechux\sapi.cpl,-5556
Value:
Dictate text and control your computer by voice.
(PID) Process:(636) Explorer.EXEKey:HKEY_CLASSES_ROOT\Local Settings\MuiCache\16C\52C64B7E
Operation:writeName:@%systemroot%\system32\sdcpl.dll,-100
Value:
Backup and restore your files and system. Monitor latest backup status and configuration.
(PID) Process:(636) Explorer.EXEKey:HKEY_CLASSES_ROOT\Local Settings\MuiCache\16C\52C64B7E
Operation:writeName:@%windir%\system32\msra.exe,-635
Value:
Invite a friend or technical support person to connect to your computer and help you, or offer to help someone else.
(PID) Process:(636) Explorer.EXEKey:HKEY_CLASSES_ROOT\Local Settings\MuiCache\16C\52C64B7E
Operation:writeName:@%SystemRoot%\system32\SoundRecorder.exe,-32790
Value:
Record sound and save it on your computer.
(PID) Process:(636) Explorer.EXEKey:HKEY_CLASSES_ROOT\Local Settings\MuiCache\16C\52C64B7E
Operation:writeName:@%windir%\system32\migwiz\wet.dll,-601
Value:
View reports from transfers you've performed
(PID) Process:(636) Explorer.EXEKey:HKEY_CLASSES_ROOT\Local Settings\MuiCache\16C\52C64B7E
Operation:writeName:@%systemroot%\system32\rstrui.exe,-102
Value:
Restore system to a chosen restore point.
Executable files
0
Suspicious files
0
Text files
0
Unknown types
1

Dropped files

PID
Process
Filename
Type
636Explorer.EXEC:\Users\admin\AppData\Roaming\Microsoft\Windows\Recent\AutomaticDestinations\1b4dd67f29cb1962.automaticDestinations-msautomaticdestinations-ms
MD5:—
SHA256:—
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
Interactive malware hunting service ANY.RUN
© 2017-2025 ANY.RUN ALL RIGHTS RESERVED
ANY.RUN
Reports
C:\Users\admin\AppData\Roaming\Mozilla\Firefox\Profiles\qldyz51w.default\gmp-gmpopenh264\1.8.1.1\gmpopenh264.dll.tmp