File name:

a3b997384f47e5f62f174cf0be2abb59e511635fdac302a8f1987e123ac9f4aa

Full analysis: https://app.any.run/tasks/01630fcc-9e40-49be-8255-31c4b1008257
Verdict: Malicious activity
Analysis date: April 29, 2025, 07:21:17
OS: Windows 10 Professional (build: 19044, 64 bit)
Tags:
tofsee
Indicators:
MIME: application/vnd.microsoft.portable-executable
File info: PE32 executable (GUI) Intel 80386, for MS Windows, 5 sections
MD5:

16B3399457DE0E7299D68290EF1B2B88

SHA1:

92EDC217EFBCF547D804A5B9DDE6178D9B21B8EF

SHA256:

A3B997384F47E5F62F174CF0BE2ABB59E511635FDAC302A8F1987E123AC9F4AA

SSDEEP:

98304:ZTjlVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVf:

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

      • a3b997384f47e5f62f174cf0be2abb59e511635fdac302a8f1987e123ac9f4aa.exe (PID: 7212)

    • TOFSEE has been detected (YARA)

      • svchost.exe (PID: 8072)

  • SUSPICIOUS

    • Reads security settings of Internet Explorer

      • a3b997384f47e5f62f174cf0be2abb59e511635fdac302a8f1987e123ac9f4aa.exe (PID: 7212)

    • Executable content was dropped or overwritten

      • a3b997384f47e5f62f174cf0be2abb59e511635fdac302a8f1987e123ac9f4aa.exe (PID: 7212)

    • Executes application which crashes

      • a3b997384f47e5f62f174cf0be2abb59e511635fdac302a8f1987e123ac9f4aa.exe (PID: 7212)
      • zhwanluu.exe (PID: 7996)

    • Detected use of alternative data streams (AltDS)

      • svchost.exe (PID: 8072)

    • Connects to SMTP port

      • svchost.exe (PID: 8072)

  • INFO

    • Create files in a temporary directory

      • a3b997384f47e5f62f174cf0be2abb59e511635fdac302a8f1987e123ac9f4aa.exe (PID: 7212)

    • Reads the computer name

      • a3b997384f47e5f62f174cf0be2abb59e511635fdac302a8f1987e123ac9f4aa.exe (PID: 7212)
      • zhwanluu.exe (PID: 7996)

    • Checks supported languages

      • a3b997384f47e5f62f174cf0be2abb59e511635fdac302a8f1987e123ac9f4aa.exe (PID: 7212)
      • zhwanluu.exe (PID: 7996)

    • Process checks computer location settings

      • a3b997384f47e5f62f174cf0be2abb59e511635fdac302a8f1987e123ac9f4aa.exe (PID: 7212)
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: 2019:01:22 09:35:46+00:00
ImageFileCharacteristics: No relocs, Executable, 32-bit
PEType: PE32
LinkerVersion: 12
CodeSize: 76800
InitializedDataSize: 434688
UninitializedDataSize: -
EntryPoint: 0x5902
OSVersion: 5.1
ImageVersion: -
SubsystemVersion: 5.1
Subsystem: Windows GUI
No data.
screenshot
All screenshots are available in the full report
All screenshots are available in the full report
Total processes
159
Monitored processes
15
Malicious processes
3
Suspicious processes
0

Behavior graph

Click at the process to see the details
start a3b997384f47e5f62f174cf0be2abb59e511635fdac302a8f1987e123ac9f4aa.exe werfault.exe no specs werfault.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 zhwanluu.exe werfault.exe no specs #TOFSEE svchost.exe werfault.exe no specs

Process information

PID
CMD
Path
Indicators
Parent process
7212"C:\Users\admin\AppData\Local\Temp\a3b997384f47e5f62f174cf0be2abb59e511635fdac302a8f1987e123ac9f4aa.exe" C:\Users\admin\AppData\Local\Temp\a3b997384f47e5f62f174cf0be2abb59e511635fdac302a8f1987e123ac9f4aa.exe
explorer.exe
User:
admin
Integrity Level:
MEDIUM
Exit code:
3221225477
Modules
Images
c:\users\admin\appdata\local\temp\a3b997384f47e5f62f174cf0be2abb59e511635fdac302a8f1987e123ac9f4aa.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\winhttp.dll
7412C:\WINDOWS\SysWOW64\WerFault.exe -u -p 7212 -s 684C:\Windows\SysWOW64\WerFault.exe—a3b997384f47e5f62f174cf0be2abb59e511635fdac302a8f1987e123ac9f4aa.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
7464C:\WINDOWS\SysWOW64\WerFault.exe -u -p 7212 -s 832C:\Windows\SysWOW64\WerFault.exe—a3b997384f47e5f62f174cf0be2abb59e511635fdac302a8f1987e123ac9f4aa.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
7528C:\WINDOWS\SysWOW64\WerFault.exe -u -p 7212 -s 844C:\Windows\SysWOW64\WerFault.exe—a3b997384f47e5f62f174cf0be2abb59e511635fdac302a8f1987e123ac9f4aa.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
7588C:\WINDOWS\SysWOW64\WerFault.exe -u -p 7212 -s 956C:\Windows\SysWOW64\WerFault.exe—a3b997384f47e5f62f174cf0be2abb59e511635fdac302a8f1987e123ac9f4aa.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
7636C:\WINDOWS\SysWOW64\WerFault.exe -u -p 7212 -s 948C:\Windows\SysWOW64\WerFault.exe—a3b997384f47e5f62f174cf0be2abb59e511635fdac302a8f1987e123ac9f4aa.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
7704C:\WINDOWS\SysWOW64\WerFault.exe -u -p 7212 -s 948C:\Windows\SysWOW64\WerFault.exe—a3b997384f47e5f62f174cf0be2abb59e511635fdac302a8f1987e123ac9f4aa.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
7772C:\WINDOWS\SysWOW64\WerFault.exe -u -p 7212 -s 976C:\Windows\SysWOW64\WerFault.exe—a3b997384f47e5f62f174cf0be2abb59e511635fdac302a8f1987e123ac9f4aa.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
7816"C:\Windows\System32\wusa.exe" C:\Windows\SysWOW64\wusa.exe—a3b997384f47e5f62f174cf0be2abb59e511635fdac302a8f1987e123ac9f4aa.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
7876"C:\WINDOWS\SysWOW64\wusa.exe" C:\Windows\SysWOW64\wusa.exe
a3b997384f47e5f62f174cf0be2abb59e511635fdac302a8f1987e123ac9f4aa.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
Total events
3 573
Read events
3 572
Write events
1
Delete events
0

Modification events

(PID) Process:(7212) a3b997384f47e5f62f174cf0be2abb59e511635fdac302a8f1987e123ac9f4aa.exeKey:HKEY_CURRENT_USER\SOFTWARE\Microsoft\Windows\CurrentVersion\Run
Operation:writeName:noxwmyqh
Value:
"C:\Users\admin\zhwanluu.exe"
Executable files
2
Suspicious files
0
Text files
0
Unknown types
0

Dropped files

PID
Process
Filename
Type
7212a3b997384f47e5f62f174cf0be2abb59e511635fdac302a8f1987e123ac9f4aa.exeC:\Users\admin\zhwanluu.exeexecutable
MD5:900203BBBC2DA7297303B2BF07E7C5B0
SHA256:7002E5A8ECB2EBF2BD02FE25EDFBD3D50FCB2EC6E9841C970DA11CA38DB4842F
7212a3b997384f47e5f62f174cf0be2abb59e511635fdac302a8f1987e123ac9f4aa.exeC:\Users\admin\AppData\Local\Temp\mojpivf.exeexecutable
MD5:E4076942FC4DF46D3643A5A0213F6BEF
SHA256:51BBA4DE4A3F15E54DA8A86370725E03CB5BED3590993CA6ACD2FB3243EEC29E
Download PCAP, analyze network streams, HTTP content and a lot more at the full report
HTTP(S) requests
5
TCP/UDP connections
25
DNS requests
19
Threats
0

HTTP requests

PID
Process
Method
HTTP Code
IP
URL
CN
Type
Size
Reputation
5496
MoUsoCoreWorker.exe
GET
200
2.16.164.106:80
http://crl.microsoft.com/pki/crl/products/MicRooCerAut2011_2011_03_22.crl
unknown
—
—
whitelisted
5496
MoUsoCoreWorker.exe
GET
200
95.101.149.131:80
http://www.microsoft.com/pkiops/crl/MicSecSerCA2011_2011-10-18.crl
unknown
—
—
whitelisted
5608
SIHClient.exe
GET
200
95.101.149.131:80
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
5608
SIHClient.exe
GET
200
95.101.149.131:80
http://www.microsoft.com/pkiops/crl/Microsoft%20ECC%20Product%20Root%20Certificate%20Authority%202018.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
—
—
4.231.128.59:443
—
MICROSOFT-CORP-MSN-AS-BLOCK
IE
whitelisted
5496
MoUsoCoreWorker.exe
2.16.164.106:80
crl.microsoft.com
Akamai International B.V.
NL
whitelisted
2104
svchost.exe
4.231.128.59:443
—
MICROSOFT-CORP-MSN-AS-BLOCK
IE
whitelisted
5496
MoUsoCoreWorker.exe
95.101.149.131:80
www.microsoft.com
Akamai International B.V.
NL
whitelisted
4
System
192.168.100.255:138
—
—
—
whitelisted
4024
RUXIMICS.exe
4.231.128.59:443
—
MICROSOFT-CORP-MSN-AS-BLOCK
IE
whitelisted
2112
svchost.exe
4.231.128.59:443
—
MICROSOFT-CORP-MSN-AS-BLOCK
IE
whitelisted
3216
svchost.exe
172.211.123.249:443
client.wns.windows.com
MICROSOFT-CORP-MSN-AS-BLOCK
FR
whitelisted
8072
svchost.exe
13.107.246.59:80
microsoft.com
MICROSOFT-CORP-MSN-AS-BLOCK
US
whitelisted

DNS requests

Domain
IP
Reputation
google.com
  • 142.250.185.142
whitelisted
crl.microsoft.com
  • 2.16.164.106
  • 2.16.164.120
  • 2.16.164.49
whitelisted
www.microsoft.com
  • 95.101.149.131
whitelisted
client.wns.windows.com
  • 172.211.123.249
whitelisted
microsoft.com
  • 13.107.246.59
whitelisted
microsoft-com.mail.protection.outlook.com
  • 52.101.9.26
  • 52.101.11.19
  • 52.101.40.4
  • 52.101.8.46
whitelisted
login.live.com
  • 20.190.160.22
  • 40.126.32.72
  • 40.126.32.140
  • 20.190.160.65
  • 20.190.160.64
  • 40.126.32.136
  • 20.190.160.3
  • 20.190.160.131
whitelisted
ocsp.digicert.com
  • 2.23.77.188
whitelisted
settings-win.data.microsoft.com
  • 51.124.78.146
whitelisted
yahoo.com
  • —
whitelisted

Threats

No threats detected
No debug info
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Reports
a3b997384f47e5f62f174cf0be2abb59e511635fdac302a8f1987e123ac9f4aa