File name:

1f8b72496e271d2489c579ea0be8f46a01bc7f9fc90e338e2611f467151b6c7d.exe

Full analysis: https://app.any.run/tasks/c393fa0f-5310-4910-8623-0a6b437abb60
Verdict: Malicious activity
Analysis date: May 16, 2025, 14:59:08
OS: Windows 10 Professional (build: 19044, 64 bit)
Indicators:
MIME: application/vnd.microsoft.portable-executable
File info: PE32 executable (GUI) Intel 80386, for MS Windows, 7 sections
MD5:

FD4729235FC218C9A02DD4704F7E07F1

SHA1:

51D8DA9F2BCF0D853F4C762EBBD3A12C63303629

SHA256:

1F8B72496E271D2489C579EA0BE8F46A01BC7F9FC90E338E2611F467151B6C7D

SSDEEP:

49152:lsyf3NUckEfrfrfrfrfrfrfrfrfrfrfrfrfrfrfrfrfrfrfrfrfrfrfrfrfrfrfH:lZf

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

    • Changes the autorun value in the registry

      • 1f8b72496e271d2489c579ea0be8f46a01bc7f9fc90e338e2611f467151b6c7d.exe (PID: 6652)

  • SUSPICIOUS

    • Executable content was dropped or overwritten

      • 1f8b72496e271d2489c579ea0be8f46a01bc7f9fc90e338e2611f467151b6c7d.exe (PID: 6652)

    • Executes application which crashes

      • 1f8b72496e271d2489c579ea0be8f46a01bc7f9fc90e338e2611f467151b6c7d.exe (PID: 6652)
      • sstezayg.exe (PID: 5132)

    • Reads security settings of Internet Explorer

      • 1f8b72496e271d2489c579ea0be8f46a01bc7f9fc90e338e2611f467151b6c7d.exe (PID: 6652)

    • Connects to SMTP port

      • svchost.exe (PID: 2284)

  • INFO

    • Checks supported languages

      • sstezayg.exe (PID: 5132)
      • 1f8b72496e271d2489c579ea0be8f46a01bc7f9fc90e338e2611f467151b6c7d.exe (PID: 6652)

    • The sample compiled with chinese language support

      • 1f8b72496e271d2489c579ea0be8f46a01bc7f9fc90e338e2611f467151b6c7d.exe (PID: 6652)

    • Reads the computer name

      • sstezayg.exe (PID: 5132)
      • 1f8b72496e271d2489c579ea0be8f46a01bc7f9fc90e338e2611f467151b6c7d.exe (PID: 6652)

    • Create files in a temporary directory

      • 1f8b72496e271d2489c579ea0be8f46a01bc7f9fc90e338e2611f467151b6c7d.exe (PID: 6652)

    • Process checks computer location settings

      • 1f8b72496e271d2489c579ea0be8f46a01bc7f9fc90e338e2611f467151b6c7d.exe (PID: 6652)
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: 2018:09:24 23:06:32+00:00
ImageFileCharacteristics: No relocs, Executable, 32-bit
PEType: PE32
LinkerVersion: 12
CodeSize: 65024
InitializedDataSize: 289792
UninitializedDataSize: -
EntryPoint: 0x2a34
OSVersion: 5.1
ImageVersion: -
SubsystemVersion: 5.1
Subsystem: Windows GUI
FileVersionNumber: 1.0.0.4
ProductVersionNumber: 1.0.0.4
FileFlagsMask: 0x006f
FileFlags: Pre-release, Patched
FileOS: Unknown (0x40304)
ObjectFileType: Static library
FileSubtype: 81
LanguageCode: Chinese (Simplified)
CharacterSet: Unicode
FileVersion: 1.0.0.4
InternalName: dgfjhdgfjdf.exe
LegalCopyright: Copyright (C) 2019, dfgjdgfhdgf
ProductVersion: 1.0.0.4
No data.
screenshot
All screenshots are available in the full report
All screenshots are available in the full report
Total processes
157
Monitored processes
18
Malicious processes
1
Suspicious processes
0

Behavior graph

Click at the process to see the details
start 1f8b72496e271d2489c579ea0be8f46a01bc7f9fc90e338e2611f467151b6c7d.exe werfault.exe no specs werfault.exe no specs werfault.exe no specs sppextcomobj.exe no specs slui.exe no specs werfault.exe no specs werfault.exe no specs werfault.exe no specs werfault.exe no specs werfault.exe no specs wusa.exe no specs wusa.exe werfault.exe no specs sstezayg.exe werfault.exe no specs svchost.exe werfault.exe no specs

Process information

PID
CMD
Path
Indicators
Parent process
2284C:\WINDOWS\SysWOW64\WerFault.exe -u -p 6652 -s 1004C:\Windows\SysWOW64\WerFault.exe—1f8b72496e271d2489c579ea0be8f46a01bc7f9fc90e338e2611f467151b6c7d.exe
User:
admin
Company:
Microsoft Corporation
Integrity Level:
MEDIUM
Description:
Windows Problem Reporting
Exit code:
0
Version:
10.0.19041.3996 (WinBuild.160101.0800)
Modules
Images
c:\windows\syswow64\werfault.exe
c:\windows\system32\ntdll.dll
c:\windows\syswow64\ntdll.dll
c:\windows\system32\wow64.dll
c:\windows\system32\wow64win.dll
c:\windows\system32\wow64cpu.dll
c:\windows\syswow64\kernel32.dll
c:\windows\syswow64\kernelbase.dll
c:\windows\syswow64\msvcrt.dll
c:\windows\syswow64\combase.dll
2284svchost.exeC:\Windows\SysWOW64\svchost.exe
sstezayg.exe
User:
admin
Company:
Microsoft Corporation
Integrity Level:
MEDIUM
Description:
Host Process for Windows Services
Version:
10.0.19041.1 (WinBuild.160101.0800)
Modules
Images
c:\windows\syswow64\svchost.exe
c:\windows\system32\ntdll.dll
c:\windows\syswow64\ntdll.dll
c:\windows\system32\wow64.dll
c:\windows\system32\wow64win.dll
c:\windows\system32\wow64cpu.dll
c:\windows\syswow64\kernel32.dll
c:\windows\syswow64\kernelbase.dll
c:\windows\syswow64\apphelp.dll
c:\windows\syswow64\ws2_32.dll
3096C:\WINDOWS\system32\SppExtComObj.exe -EmbeddingC:\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
Images
c:\windows\system32\sppextcomobj.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\bcrypt.dll
c:\windows\system32\oleaut32.dll
3268C:\WINDOWS\SysWOW64\WerFault.exe -u -p 5132 -s 584C:\Windows\SysWOW64\WerFault.exe—sstezayg.exe
User:
admin
Company:
Microsoft Corporation
Integrity Level:
MEDIUM
Description:
Windows Problem Reporting
Exit code:
0
Version:
10.0.19041.3996 (WinBuild.160101.0800)
Modules
Images
c:\windows\syswow64\werfault.exe
c:\windows\system32\ntdll.dll
c:\windows\syswow64\ntdll.dll
c:\windows\system32\wow64.dll
c:\windows\system32\wow64win.dll
c:\windows\system32\wow64cpu.dll
c:\windows\syswow64\kernel32.dll
c:\windows\syswow64\kernelbase.dll
c:\windows\syswow64\msvcrt.dll
c:\windows\syswow64\combase.dll
3364"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=TimerEventC:\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
Images
c:\windows\system32\slui.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\bcrypt.dll
c:\windows\system32\user32.dll
4008"C:\Windows\System32\wusa.exe" C:\Windows\SysWOW64\wusa.exe—1f8b72496e271d2489c579ea0be8f46a01bc7f9fc90e338e2611f467151b6c7d.exe
User:
admin
Company:
Microsoft Corporation
Integrity Level:
MEDIUM
Description:
Windows Update Standalone Installer
Exit code:
3221226540
Version:
10.0.19041.3636 (WinBuild.160101.0800)
Modules
Images
c:\windows\syswow64\wusa.exe
c:\windows\system32\ntdll.dll
c:\windows\syswow64\ntdll.dll
4172C:\WINDOWS\SysWOW64\WerFault.exe -u -p 6652 -s 872C:\Windows\SysWOW64\WerFault.exe—1f8b72496e271d2489c579ea0be8f46a01bc7f9fc90e338e2611f467151b6c7d.exe
User:
admin
Company:
Microsoft Corporation
Integrity Level:
MEDIUM
Description:
Windows Problem Reporting
Exit code:
0
Version:
10.0.19041.3996 (WinBuild.160101.0800)
Modules
Images
c:\windows\syswow64\werfault.exe
c:\windows\system32\ntdll.dll
c:\windows\syswow64\ntdll.dll
c:\windows\system32\wow64.dll
c:\windows\system32\wow64win.dll
c:\windows\system32\wow64cpu.dll
c:\windows\syswow64\kernel32.dll
c:\windows\syswow64\kernelbase.dll
c:\windows\syswow64\msvcrt.dll
c:\windows\syswow64\combase.dll
4620"C:\WINDOWS\SysWOW64\wusa.exe" C:\Windows\SysWOW64\wusa.exe
1f8b72496e271d2489c579ea0be8f46a01bc7f9fc90e338e2611f467151b6c7d.exe
User:
admin
Company:
Microsoft Corporation
Integrity Level:
HIGH
Description:
Windows Update Standalone Installer
Exit code:
0
Version:
10.0.19041.3636 (WinBuild.160101.0800)
Modules
Images
c:\windows\syswow64\wusa.exe
c:\windows\system32\ntdll.dll
c:\windows\syswow64\ntdll.dll
c:\windows\system32\wow64.dll
c:\windows\system32\wow64win.dll
c:\windows\system32\wow64cpu.dll
c:\windows\syswow64\kernel32.dll
c:\windows\syswow64\kernelbase.dll
c:\windows\syswow64\apphelp.dll
c:\windows\syswow64\advapi32.dll
4652C:\WINDOWS\SysWOW64\WerFault.exe -u -p 6652 -s 944C:\Windows\SysWOW64\WerFault.exe—1f8b72496e271d2489c579ea0be8f46a01bc7f9fc90e338e2611f467151b6c7d.exe
User:
admin
Company:
Microsoft Corporation
Integrity Level:
MEDIUM
Description:
Windows Problem Reporting
Exit code:
0
Version:
10.0.19041.3996 (WinBuild.160101.0800)
Modules
Images
c:\windows\syswow64\werfault.exe
c:\windows\system32\ntdll.dll
c:\windows\syswow64\ntdll.dll
c:\windows\system32\wow64.dll
c:\windows\system32\wow64win.dll
c:\windows\system32\wow64cpu.dll
c:\windows\syswow64\kernel32.dll
c:\windows\syswow64\kernelbase.dll
c:\windows\syswow64\msvcrt.dll
c:\windows\syswow64\combase.dll
4892C:\WINDOWS\SysWOW64\WerFault.exe -u -p 6652 -s 884C:\Windows\SysWOW64\WerFault.exe—1f8b72496e271d2489c579ea0be8f46a01bc7f9fc90e338e2611f467151b6c7d.exe
User:
admin
Company:
Microsoft Corporation
Integrity Level:
MEDIUM
Description:
Windows Problem Reporting
Exit code:
0
Version:
10.0.19041.3996 (WinBuild.160101.0800)
Modules
Images
c:\windows\syswow64\werfault.exe
c:\windows\system32\ntdll.dll
c:\windows\syswow64\ntdll.dll
c:\windows\system32\wow64.dll
c:\windows\system32\wow64win.dll
c:\windows\system32\wow64cpu.dll
c:\windows\syswow64\kernel32.dll
c:\windows\syswow64\kernelbase.dll
c:\windows\syswow64\msvcrt.dll
c:\windows\syswow64\combase.dll
Total events
3 975
Read events
3 974
Write events
1
Delete events
0

Modification events

(PID) Process:(6652) 1f8b72496e271d2489c579ea0be8f46a01bc7f9fc90e338e2611f467151b6c7d.exeKey:HKEY_CURRENT_USER\SOFTWARE\Microsoft\Windows\CurrentVersion\Run
Operation:writeName:stcbrdvm
Value:
"C:\Users\admin\sstezayg.exe"
Executable files
2
Suspicious files
0
Text files
0
Unknown types
0

Dropped files

PID
Process
Filename
Type
66521f8b72496e271d2489c579ea0be8f46a01bc7f9fc90e338e2611f467151b6c7d.exeC:\Users\admin\AppData\Local\Temp\yavbuhr.exeexecutable
MD5:CAFC06ACB0FE2DDBD87C61E4EB29C550
SHA256:57B113E24E8EE7DB506EB18E3C3F4AD4B54CFA870731EE67C08942363A847A66
66521f8b72496e271d2489c579ea0be8f46a01bc7f9fc90e338e2611f467151b6c7d.exeC:\Users\admin\sstezayg.exeexecutable
MD5:548E5C93C4ED12C1F4F26ACD81079108
SHA256:9400EB7E51241A990707378414776672F61BDED9DC5F05F0F0AE8A786FAF270E
Download PCAP, analyze network streams, HTTP content and a lot more at the full report
HTTP(S) requests
7
TCP/UDP connections
26
DNS requests
25
Threats
0

HTTP requests

PID
Process
Method
HTTP Code
IP
URL
CN
Type
Size
Reputation
—
—
GET
200
23.216.77.28:80
http://crl.microsoft.com/pki/crl/products/MicRooCerAut2011_2011_03_22.crl
unknown
—
—
whitelisted
—
—
GET
200
23.35.229.160:80
http://www.microsoft.com/pkiops/crl/MicSecSerCA2011_2011-10-18.crl
unknown
—
—
whitelisted
2616
firefox.exe
GET
200
34.107.221.82:80
http://detectportal.firefox.com/canonical.html
unknown
—
—
whitelisted
2616
firefox.exe
GET
200
34.107.221.82:80
http://detectportal.firefox.com/success.txt?ipv4
unknown
—
—
whitelisted
1056
SIHClient.exe
GET
200
23.219.150.101:80
http://www.microsoft.com/pkiops/crl/Microsoft%20ECC%20Product%20Root%20Certificate%20Authority%202018.crl
unknown
—
—
whitelisted
1056
SIHClient.exe
GET
200
23.219.150.101:80
http://www.microsoft.com/pkiops/crl/Microsoft%20ECC%20Update%20Secure%20Server%20CA%202.1.crl
unknown
—
—
whitelisted
6544
svchost.exe
GET
200
2.17.190.73:80
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
2104
svchost.exe
51.124.78.146:443
—
MICROSOFT-CORP-MSN-AS-BLOCK
NL
whitelisted
—
—
51.124.78.146:443
—
MICROSOFT-CORP-MSN-AS-BLOCK
NL
whitelisted
—
—
23.216.77.28:80
crl.microsoft.com
Akamai International B.V.
DE
whitelisted
—
—
23.35.229.160:80
www.microsoft.com
AKAMAI-AS
DE
whitelisted
4
System
192.168.100.255:138
—
—
—
whitelisted
2112
svchost.exe
51.124.78.146:443
—
MICROSOFT-CORP-MSN-AS-BLOCK
NL
whitelisted
3216
svchost.exe
172.211.123.249:443
client.wns.windows.com
MICROSOFT-CORP-MSN-AS-BLOCK
FR
whitelisted
2616
firefox.exe
34.107.221.82:80
detectportal.firefox.com
GOOGLE
US
whitelisted
2284
svchost.exe
13.107.253.45:80
microsoft.com
MICROSOFT-CORP-MSN-AS-BLOCK
US
whitelisted
2284
svchost.exe
52.101.8.34:25
microsoft-com.mail.protection.outlook.com
MICROSOFT-CORP-MSN-AS-BLOCK
US
whitelisted

DNS requests

Domain
IP
Reputation
google.com
  • 142.250.185.110
whitelisted
crl.microsoft.com
  • 23.216.77.28
  • 23.216.77.30
  • 23.216.77.35
  • 23.216.77.25
  • 23.216.77.38
  • 23.216.77.22
  • 23.216.77.31
  • 23.216.77.21
  • 23.216.77.37
whitelisted
www.microsoft.com
  • 23.35.229.160
  • 23.219.150.101
whitelisted
client.wns.windows.com
  • 172.211.123.249
whitelisted
detectportal.firefox.com
  • 34.107.221.82
whitelisted
prod.detectportal.prod.cloudops.mozgcp.net
  • 34.107.221.82
  • 2600:1901:0:38d7::
whitelisted
example.org
  • 23.215.0.132
  • 23.215.0.133
  • 96.7.128.192
  • 96.7.128.186
whitelisted
ipv4only.arpa
  • 192.0.0.171
  • 192.0.0.170
whitelisted
microsoft.com
  • 13.107.253.45
whitelisted
microsoft-com.mail.protection.outlook.com
  • 52.101.8.34
  • 52.101.9.21
  • 52.101.8.51
  • 52.101.10.18
whitelisted

Threats

No threats detected
No debug info
Interactive malware hunting service ANY.RUN
© 2017-2025 ANY.RUN ALL RIGHTS RESERVED
ANY.RUN
Reports
1f8b72496e271d2489c579ea0be8f46a01bc7f9fc90e338e2611f467151b6c7d.exe