File name:

Realtek.exe

Full analysis: https://app.any.run/tasks/75f2893d-d3f3-4783-91b9-55e251e89de7
Verdict: Malicious activity
Analysis date: November 23, 2024, 14:34:43
OS: Windows 10 Professional (build: 19045, 64 bit)
Tags:
evasion
ims-api
generic
Indicators:
MIME: application/vnd.microsoft.portable-executable
File info: PE32 executable (GUI) Intel 80386 Mono/.Net assembly, for MS Windows, 3 sections
MD5:

9BCB1A253D07B610DA76FD22AD176C9D

SHA1:

E5F8196083BEAB009DB092FE891E88551393B247

SHA256:

3CF37367797AD61761AB44B22EC80C206D31411A604106D061BE6935787B8110

SSDEEP:

1536:Run8oLS+BLBxRCtE1de48NbQ80omTy4MhkeQQ3uG+iw5jsss6S9a/vlOxu2UpVHZ:RtC1DKWeQQ3SiX9a/vlOQ2UpBOx0

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

    • Executing a file with an untrusted certificate

      • Realtek.exe (PID: 3540)
    • Changes the autorun value in the registry

      • Realtek.exe (PID: 3540)
  • SUSPICIOUS

    • Executable content was dropped or overwritten

      • Realtek.exe (PID: 3540)
    • Checks for external IP

      • svchost.exe (PID: 2192)
      • Realtek.exe (PID: 3540)
    • Possible usage of Discord/Telegram API has been detected (YARA)

      • Realtek.exe (PID: 3540)
    • Executes application which crashes

      • Realtek.exe (PID: 3540)
  • INFO

    • Checks supported languages

      • Realtek.exe (PID: 3540)
    • Reads the machine GUID from the registry

      • Realtek.exe (PID: 3540)
    • Reads Environment values

      • Realtek.exe (PID: 3540)
    • Reads the computer name

      • Realtek.exe (PID: 3540)
    • Disables trace logs

      • Realtek.exe (PID: 3540)
    • Checks proxy server information

      • Realtek.exe (PID: 3540)
      • WerFault.exe (PID: 1480)
    • Creates files or folders in the user directory

      • Realtek.exe (PID: 3540)
      • WerFault.exe (PID: 1480)
    • Reads the software policy settings

      • WerFault.exe (PID: 1480)
Find more information about signature artifacts and mapping to MITRE ATT&CK™ MATRIX at the full report
No Malware configuration.

TRiD

.exe | Win64 Executable (generic) (49.4)
.scr | Windows screen saver (23.4)
.dll | Win32 Dynamic Link Library (generic) (11.7)
.exe | Win32 Executable (generic) (8)
.exe | Generic Win/DOS Executable (3.5)

EXIF

EXE

MachineType: Intel 386 or later, and compatibles
TimeStamp: 2024:11:23 15:29:21+00:00
ImageFileCharacteristics: Executable, 32-bit
PEType: PE32
LinkerVersion: 11
CodeSize: 73216
InitializedDataSize: 2048
UninitializedDataSize: -
EntryPoint: 0x13d3e
OSVersion: 4
ImageVersion: -
SubsystemVersion: 4
Subsystem: Windows GUI
FileVersionNumber: 21.0.0.37
ProductVersionNumber: 21.0.0.37
FileFlagsMask: 0x003f
FileFlags: (none)
FileOS: Win32
ObjectFileType: Executable application
FileSubtype: -
LanguageCode: Neutral
CharacterSet: Unicode
Comments: Adobe Photoshop 2020
CompanyName: Adobe
FileDescription: Photoshop
FileVersion: 21.0.0.37
InternalName: k.exe
LegalCopyright: © 1990-2019 Adobe. All rights reserved.
OriginalFileName: k.exe
ProductName: Adobe Photoshop 2020
ProductVersion: 21.0.0.37
AssemblyVersion: 21.0.0.37
No data.
screenshotscreenshot
All screenshots are available in the full report
All screenshots are available in the full report
Total processes
122
Monitored processes
3
Malicious processes
1
Suspicious processes
1

Behavior graph

Click at the process to see the details
start realtek.exe svchost.exe werfault.exe

Process information

PID
CMD
Path
Indicators
Parent process
1480C:\WINDOWS\system32\WerFault.exe -u -p 3540 -s 1612C:\Windows\System32\WerFault.exe
Realtek.exe
User:
admin
Company:
Microsoft Corporation
Integrity Level:
MEDIUM
Description:
Windows Problem Reporting
Exit code:
0
Version:
10.0.19041.1 (WinBuild.160101.0800)
Modules
Images
c:\windows\system32\werfault.exe
c:\windows\system32\ntdll.dll
c:\windows\system32\kernel32.dll
c:\windows\system32\kernelbase.dll
c:\windows\system32\msvcrt.dll
c:\windows\system32\combase.dll
c:\windows\system32\ucrtbase.dll
c:\windows\system32\rpcrt4.dll
c:\windows\system32\cryptsp.dll
c:\windows\system32\oleaut32.dll
2192C:\WINDOWS\system32\svchost.exe -k NetworkService -p -s DnscacheC:\Windows\System32\svchost.exe
services.exe
User:
NETWORK SERVICE
Company:
Microsoft Corporation
Integrity Level:
SYSTEM
Description:
Host Process for Windows Services
Version:
10.0.19041.1 (WinBuild.160101.0800)
Modules
Images
c:\windows\system32\svchost.exe
c:\windows\system32\ntdll.dll
c:\windows\system32\kernel32.dll
c:\windows\system32\kernelbase.dll
c:\windows\system32\sechost.dll
c:\windows\system32\rpcrt4.dll
c:\windows\system32\bcrypt.dll
c:\windows\system32\ucrtbase.dll
c:\windows\system32\combase.dll
c:\windows\system32\kernel.appcore.dll
3540"C:\Users\admin\Desktop\Realtek.exe" C:\Users\admin\Desktop\Realtek.exe
explorer.exe
User:
admin
Company:
Adobe
Integrity Level:
MEDIUM
Description:
Photoshop
Exit code:
3762504530
Version:
21.0.0.37
Modules
Images
c:\users\admin\desktop\realtek.exe
c:\windows\system32\ntdll.dll
c:\windows\system32\mscoree.dll
c:\windows\system32\kernel32.dll
c:\windows\system32\kernelbase.dll
c:\windows\system32\apphelp.dll
c:\windows\system32\advapi32.dll
c:\windows\system32\msvcrt.dll
c:\windows\system32\sechost.dll
c:\windows\system32\rpcrt4.dll
Total events
6 907
Read events
6 892
Write events
15
Delete events
0

Modification events

(PID) Process:(3540) Realtek.exeKey:HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Tracing\Realtek_RASAPI32
Operation:writeName:EnableFileTracing
Value:
0
(PID) Process:(3540) Realtek.exeKey:HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Tracing\Realtek_RASAPI32
Operation:writeName:EnableAutoFileTracing
Value:
0
(PID) Process:(3540) Realtek.exeKey:HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Tracing\Realtek_RASAPI32
Operation:writeName:EnableConsoleTracing
Value:
0
(PID) Process:(3540) Realtek.exeKey:HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Tracing\Realtek_RASAPI32
Operation:writeName:FileTracingMask
Value:
(PID) Process:(3540) Realtek.exeKey:HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Tracing\Realtek_RASAPI32
Operation:writeName:ConsoleTracingMask
Value:
(PID) Process:(3540) Realtek.exeKey:HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Tracing\Realtek_RASAPI32
Operation:writeName:MaxFileSize
Value:
1048576
(PID) Process:(3540) Realtek.exeKey:HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Tracing\Realtek_RASAPI32
Operation:writeName:FileDirectory
Value:
%windir%\tracing
(PID) Process:(3540) Realtek.exeKey:HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Tracing\Realtek_RASMANCS
Operation:writeName:EnableFileTracing
Value:
0
(PID) Process:(3540) Realtek.exeKey:HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Tracing\Realtek_RASMANCS
Operation:writeName:EnableAutoFileTracing
Value:
0
(PID) Process:(3540) Realtek.exeKey:HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Tracing\Realtek_RASMANCS
Operation:writeName:EnableConsoleTracing
Value:
0
Executable files
1
Suspicious files
1
Text files
2
Unknown types
0

Dropped files

PID
Process
Filename
Type
1480WerFault.exeC:\ProgramData\Microsoft\Windows\WER\ReportQueue\AppCrash_Realtek.exe_864e03861b1ec9319ed511c20142897e63b44a_d63f38fc_b5e765eb-9d34-4eb2-9fc8-e23a671aaf70\Report.wer
MD5:
SHA256:
1480WerFault.exeC:\Users\admin\AppData\Local\CrashDumps\Realtek.exe.3540.dmp
MD5:
SHA256:
1480WerFault.exeC:\ProgramData\Microsoft\Windows\WER\Temp\WER2A5A.tmp.dmpbinary
MD5:3978599E55CEB74D028571FA3D31CDDF
SHA256:CF5DD8231801D5E8A0BB7E6CCC881D46816302998F86048B40F52723EF39D408
1480WerFault.exeC:\ProgramData\Microsoft\Windows\WER\Temp\WER2BA4.tmp.xmlxml
MD5:2F943314C3167E34F90BDEBABE1C98E2
SHA256:029E8762B28912BFA3FD33E93AE0A592DCD607683229226E3CC5B80A2E2943E8
1480WerFault.exeC:\ProgramData\Microsoft\Windows\WER\Temp\WER2B84.tmp.WERInternalMetadata.xmlxml
MD5:63FFD9E2B9CB5E4499CC5D3E225347DD
SHA256:24E6C944220A4F964F64042B403FDFFF9C61040DE502ABD12C49FB4FCE488CA8
3540Realtek.exeC:\Users\admin\AppData\Local\NVIDIA Local Drivers\DriversUpdateProcess_x64.exeexecutable
MD5:9BCB1A253D07B610DA76FD22AD176C9D
SHA256:3CF37367797AD61761AB44B22EC80C206D31411A604106D061BE6935787B8110
Download PCAP, analyze network streams, HTTP content and a lot more at the full report
HTTP(S) requests
7
TCP/UDP connections
21
DNS requests
9
Threats
3

HTTP requests

PID
Process
Method
HTTP Code
IP
URL
CN
Type
Size
Reputation
5392
svchost.exe
GET
200
23.48.23.156:80
http://crl.microsoft.com/pki/crl/products/MicRooCerAut2011_2011_03_22.crl
unknown
whitelisted
3540
Realtek.exe
GET
200
193.122.6.168:80
http://checkip.dyndns.org/
unknown
malicious
4712
MoUsoCoreWorker.exe
GET
200
23.48.23.156:80
http://crl.microsoft.com/pki/crl/products/MicRooCerAut2011_2011_03_22.crl
unknown
whitelisted
2632
RUXIMICS.exe
GET
200
23.48.23.156:80
http://crl.microsoft.com/pki/crl/products/MicRooCerAut2011_2011_03_22.crl
unknown
whitelisted
5392
svchost.exe
GET
200
23.35.229.160:80
http://www.microsoft.com/pkiops/crl/MicSecSerCA2011_2011-10-18.crl
unknown
whitelisted
2632
RUXIMICS.exe
GET
200
23.35.229.160:80
http://www.microsoft.com/pkiops/crl/MicSecSerCA2011_2011-10-18.crl
unknown
whitelisted
4712
MoUsoCoreWorker.exe
GET
200
23.35.229.160:80
http://www.microsoft.com/pkiops/crl/MicSecSerCA2011_2011-10-18.crl
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
5392
svchost.exe
4.231.128.59:443
settings-win.data.microsoft.com
MICROSOFT-CORP-MSN-AS-BLOCK
IE
whitelisted
4712
MoUsoCoreWorker.exe
4.231.128.59:443
settings-win.data.microsoft.com
MICROSOFT-CORP-MSN-AS-BLOCK
IE
whitelisted
2632
RUXIMICS.exe
4.231.128.59:443
settings-win.data.microsoft.com
MICROSOFT-CORP-MSN-AS-BLOCK
IE
whitelisted
4
System
192.168.100.255:138
whitelisted
3540
Realtek.exe
193.122.6.168:80
checkip.dyndns.org
ORACLE-BMC-31898
DE
shared
5392
svchost.exe
23.48.23.156:80
crl.microsoft.com
Akamai International B.V.
DE
whitelisted
4712
MoUsoCoreWorker.exe
23.48.23.156:80
crl.microsoft.com
Akamai International B.V.
DE
whitelisted
2632
RUXIMICS.exe
23.48.23.156:80
crl.microsoft.com
Akamai International B.V.
DE
whitelisted
5392
svchost.exe
23.35.229.160:80
www.microsoft.com
AKAMAI-AS
DE
whitelisted

DNS requests

Domain
IP
Reputation
settings-win.data.microsoft.com
  • 4.231.128.59
  • 40.127.240.158
whitelisted
google.com
  • 142.250.186.46
whitelisted
checkip.dyndns.org
  • 193.122.6.168
  • 193.122.130.0
  • 132.226.8.169
  • 132.226.247.73
  • 158.101.44.242
shared
crl.microsoft.com
  • 23.48.23.156
  • 23.48.23.166
whitelisted
www.microsoft.com
  • 23.35.229.160
whitelisted
watson.events.data.microsoft.com
  • 20.42.65.92
whitelisted
self.events.data.microsoft.com
  • 20.189.173.24
whitelisted

Threats

PID
Process
Class
Message
2192
svchost.exe
Device Retrieving External IP Address Detected
ET INFO External IP Lookup Domain in DNS Query (checkip .dyndns .org)
3540
Realtek.exe
Device Retrieving External IP Address Detected
ET POLICY External IP Lookup - checkip.dyndns.org
1 ETPRO signatures available at the full report
No debug info