File name:

node-gyp.dll

Full analysis: https://app.any.run/tasks/3e7b9188-4e9e-4571-9e0f-b2b819351d08
Verdict: Malicious activity
Analysis date: July 21, 2025, 20:39:33
OS: Windows 10 Professional (build: 19044, 64 bit)
Tags:
auto
generic
Indicators:
MIME: application/vnd.microsoft.portable-executable
File info: PE32+ executable (DLL) (GUI) x86-64, for MS Windows, 7 sections
MD5:

ED375DEEA6F7407D2FF9DAB1CB326473

SHA1:

A2F7E5A15DAFFA05BDDA01BBF2E71736BDC79763

SHA256:

C68E42F416F482D43653F36CD14384270B54B68D6496A8E34CE887687DE5B441

SSDEEP:

12288:njlxrsM/3RzY4Svf+zzCw83eE8sLJtWYn5R4bj0hjrWQGzW0CPHqxKb/szBa+o7M:G8s1o5i0CPHmKwjoGb7Z8oRZmNNQ

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

    • GENERIC has been found (auto)

      • rundll32.exe (PID: 2140)
  • SUSPICIOUS

    • Executes application which crashes

      • rundll32.exe (PID: 2140)
    • The process creates files with name similar to system file names

      • WerFault.exe (PID: 4684)
  • INFO

    • Creates files or folders in the user directory

      • WerFault.exe (PID: 4684)
    • Checks proxy server information

      • WerFault.exe (PID: 4684)
    • Reads the software policy settings

      • WerFault.exe (PID: 4684)
    • Application launched itself

      • firefox.exe (PID: 6296)
      • firefox.exe (PID: 2596)
    • Manual execution by a user

      • firefox.exe (PID: 6296)
    • Reads Microsoft Office registry keys

      • firefox.exe (PID: 2596)
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) (87.3)
.exe | Generic Win/DOS Executable (6.3)
.exe | DOS Executable Generic (6.3)

EXIF

EXE

MachineType: AMD AMD64
TimeStamp: 2025:07:18 08:59:38+00:00
ImageFileCharacteristics: Executable, Large address aware, DLL
PEType: PE32+
LinkerVersion: 14.44
CodeSize: 1027072
InitializedDataSize: 269824
UninitializedDataSize: -
EntryPoint: 0xcd0e8
OSVersion: 6
ImageVersion: -
SubsystemVersion: 6
Subsystem: Windows GUI
No data.
screenshotscreenshotscreenshotscreenshot
All screenshots are available in the full report
All screenshots are available in the full report
Total processes
152
Monitored processes
14
Malicious processes
1
Suspicious processes
0

Behavior graph

Click at the process to see the details
start rundll32.exe werfault.exe firefox.exe no specs firefox.exe firefox.exe no specs firefox.exe no specs firefox.exe no specs firefox.exe no specs firefox.exe no specs firefox.exe no specs firefox.exe no specs firefox.exe no specs firefox.exe no specs slui.exe no specs

Process information

PID
CMD
Path
Indicators
Parent process
592"C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc -isForBrowser -prefsHandle 5024 -prefsLen 39015 -prefMapHandle 5144 -prefMapSize 272997 -jsInitHandle 5148 -jsInitLen 247456 -parentBuildID 20250227124745 -ipcHandle 5156 -initialChannelId {1298447a-5e11-48ca-975f-54b1340c2001} -parentPid 2596 -crashReporter "\\.\pipe\gecko-crash-server-pipe.2596" -win32kLockedDown -appDir "C:\Program Files\Mozilla Firefox\browser" - 9 tabC:\Program Files\Mozilla Firefox\firefox.exefirefox.exe
User:
admin
Company:
Mozilla Corporation
Integrity Level:
MEDIUM
Description:
Firefox
Version:
136.0
Modules
Images
c:\program files\mozilla firefox\firefox.exe
c:\windows\system32\ntdll.dll
c:\windows\system32\kernel32.dll
c:\windows\system32\kernelbase.dll
c:\windows\system32\ucrtbase.dll
c:\program files\mozilla firefox\mozglue.dll
c:\windows\system32\bcrypt.dll
c:\windows\system32\crypt32.dll
c:\windows\system32\msvcp140.dll
c:\windows\system32\vcruntime140.dll
1488"C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc -parentBuildID 20250227124745 -prefsHandle 2848 -prefsLen 36931 -prefMapHandle 2852 -prefMapSize 272997 -ipcHandle 2200 -initialChannelId {69b826b6-d779-4542-96e7-1afcbe37b507} -parentPid 2596 -crashReporter "\\.\pipe\gecko-crash-server-pipe.2596" -appDir "C:\Program Files\Mozilla Firefox\browser" - 4 rddC:\Program Files\Mozilla Firefox\firefox.exefirefox.exe
User:
admin
Company:
Mozilla Corporation
Integrity Level:
MEDIUM
Description:
Firefox
Version:
136.0
Modules
Images
c:\program files\mozilla firefox\firefox.exe
c:\windows\system32\ntdll.dll
c:\windows\system32\kernel32.dll
c:\windows\system32\kernelbase.dll
c:\windows\system32\ucrtbase.dll
c:\program files\mozilla firefox\mozglue.dll
c:\windows\system32\bcrypt.dll
c:\windows\system32\crypt32.dll
c:\windows\system32\msvcp140.dll
c:\windows\system32\vcruntime140.dll
1660"C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc -parentBuildID 20250227124745 -sandboxingKind 0 -prefsHandle 4692 -prefsLen 44926 -prefMapHandle 4696 -prefMapSize 272997 -ipcHandle 4704 -initialChannelId {abd6da0d-aec5-4e59-8cad-20df486b6e5a} -parentPid 2596 -crashReporter "\\.\pipe\gecko-crash-server-pipe.2596" -win32kLockedDown -appDir "C:\Program Files\Mozilla Firefox\browser" - 6 utilityC:\Program Files\Mozilla Firefox\firefox.exefirefox.exe
User:
admin
Company:
Mozilla Corporation
Integrity Level:
MEDIUM
Description:
Firefox
Version:
136.0
Modules
Images
c:\program files\mozilla firefox\firefox.exe
c:\windows\system32\ntdll.dll
c:\windows\system32\kernel32.dll
c:\windows\system32\kernelbase.dll
c:\windows\system32\ucrtbase.dll
c:\program files\mozilla firefox\mozglue.dll
c:\windows\system32\bcrypt.dll
c:\windows\system32\crypt32.dll
c:\windows\system32\msvcp140.dll
c:\windows\system32\vcruntime140.dll
2140"C:\WINDOWS\System32\rundll32.exe" C:\Users\admin\AppData\Local\Temp\node-gyp.dll, #1C:\Windows\System32\rundll32.exe
explorer.exe
User:
admin
Company:
Microsoft Corporation
Integrity Level:
MEDIUM
Description:
Windows host process (Rundll32)
Exit code:
3221225477
Version:
10.0.19041.1 (WinBuild.160101.0800)
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\msvcrt.dll
c:\windows\system32\combase.dll
c:\windows\system32\ucrtbase.dll
c:\windows\system32\rpcrt4.dll
c:\windows\system32\shcore.dll
c:\windows\system32\imagehlp.dll
2216"C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc -parentBuildID 20250227124745 -prefsHandle 1976 -prefsLen 36520 -prefMapHandle 1980 -prefMapSize 272997 -ipcHandle 2056 -initialChannelId {202ac429-6632-4dfb-b961-53c39c44e10b} -parentPid 2596 -crashReporter "\\.\pipe\gecko-crash-server-pipe.2596" -appDir "C:\Program Files\Mozilla Firefox\browser" - 1 gpuC:\Program Files\Mozilla Firefox\firefox.exefirefox.exe
User:
admin
Company:
Mozilla Corporation
Integrity Level:
MEDIUM
Description:
Firefox
Version:
136.0
Modules
Images
c:\program files\mozilla firefox\firefox.exe
c:\windows\system32\ntdll.dll
c:\windows\system32\kernel32.dll
c:\windows\system32\kernelbase.dll
c:\windows\system32\ucrtbase.dll
c:\program files\mozilla firefox\mozglue.dll
c:\windows\system32\msvcp140.dll
c:\windows\system32\vcruntime140.dll
c:\windows\system32\bcrypt.dll
c:\windows\system32\crypt32.dll
2596"C:\Program Files\Mozilla Firefox\firefox.exe"C:\Program Files\Mozilla Firefox\firefox.exe
firefox.exe
User:
admin
Company:
Mozilla Corporation
Integrity Level:
MEDIUM
Description:
Firefox
Version:
136.0
Modules
Images
c:\program files\mozilla firefox\firefox.exe
c:\windows\system32\ntdll.dll
c:\windows\system32\kernel32.dll
c:\windows\system32\kernelbase.dll
c:\windows\system32\ucrtbase.dll
c:\program files\mozilla firefox\mozglue.dll
c:\windows\system32\bcrypt.dll
c:\windows\system32\crypt32.dll
c:\windows\system32\msvcp140.dll
c:\windows\system32\vcruntime140.dll
2628"C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc -isForBrowser -prefsHandle 4048 -prefsLen 44823 -prefMapHandle 4052 -prefMapSize 272997 -jsInitHandle 4056 -jsInitLen 247456 -parentBuildID 20250227124745 -ipcHandle 4036 -initialChannelId {7cf2c01f-8c9d-423e-9d29-7325c5289ca1} -parentPid 2596 -crashReporter "\\.\pipe\gecko-crash-server-pipe.2596" -win32kLockedDown -appDir "C:\Program Files\Mozilla Firefox\browser" - 5 tabC:\Program Files\Mozilla Firefox\firefox.exefirefox.exe
User:
admin
Company:
Mozilla Corporation
Integrity Level:
MEDIUM
Description:
Firefox
Version:
136.0
Modules
Images
c:\program files\mozilla firefox\firefox.exe
c:\windows\system32\ntdll.dll
c:\windows\system32\kernel32.dll
c:\windows\system32\kernelbase.dll
c:\windows\system32\ucrtbase.dll
c:\program files\mozilla firefox\mozglue.dll
c:\windows\system32\msvcp140.dll
c:\windows\system32\bcrypt.dll
c:\windows\system32\vcruntime140.dll
c:\windows\system32\vcruntime140_1.dll
3636"C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc -isForBrowser -prefsHandle 4804 -prefsLen 39015 -prefMapHandle 4800 -prefMapSize 272997 -jsInitHandle 4780 -jsInitLen 247456 -parentBuildID 20250227124745 -ipcHandle 4512 -initialChannelId {286b764e-2824-47e7-862f-657c81248278} -parentPid 2596 -crashReporter "\\.\pipe\gecko-crash-server-pipe.2596" -win32kLockedDown -appDir "C:\Program Files\Mozilla Firefox\browser" - 8 tabC:\Program Files\Mozilla Firefox\firefox.exefirefox.exe
User:
admin
Company:
Mozilla Corporation
Integrity Level:
MEDIUM
Description:
Firefox
Version:
136.0
Modules
Images
c:\program files\mozilla firefox\firefox.exe
c:\windows\system32\ntdll.dll
c:\windows\system32\kernel32.dll
c:\windows\system32\kernelbase.dll
c:\windows\system32\ucrtbase.dll
c:\program files\mozilla firefox\mozglue.dll
c:\windows\system32\bcrypt.dll
c:\windows\system32\crypt32.dll
c:\windows\system32\msvcp140.dll
c:\windows\system32\vcruntime140.dll
4552C:\WINDOWS\System32\slui.exe -EmbeddingC:\Windows\System32\slui.exesvchost.exe
User:
admin
Company:
Microsoft Corporation
Integrity Level:
MEDIUM
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
4684C:\WINDOWS\system32\WerFault.exe -u -p 2140 -s 368C:\Windows\System32\WerFault.exe
rundll32.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\oleaut32.dll
c:\windows\system32\msvcp_win.dll
Total events
12 437
Read events
12 436
Write events
1
Delete events
0

Modification events

(PID) Process:(2596) firefox.exeKey:HKEY_CURRENT_USER\SOFTWARE\Mozilla\Firefox\DllPrefetchExperiment
Operation:writeName:C:\Program Files\Mozilla Firefox\firefox.exe
Value:
0
Executable files
0
Suspicious files
68
Text files
10
Unknown types
231

Dropped files

PID
Process
Filename
Type
4684WerFault.exeC:\ProgramData\Microsoft\Windows\WER\ReportArchive\AppCrash_rundll32.exe_nod_87602d434ff529641f369a93d838c86c5ca0e4b9_fb3e7dce_fcc7db48-e620-43b3-a33b-988ba6dc9da1\Report.wer
MD5:
SHA256:
4684WerFault.exeC:\Users\admin\AppData\Local\CrashDumps\rundll32.exe.2140.dmpdmp
MD5:299DEB889A94538E3547625F4B496292
SHA256:11C527A5C7F04DA2440F64B31D2B8CFA28B438C7457F18716D1630A4B9E614B9
4684WerFault.exeC:\ProgramData\Microsoft\Windows\WER\Temp\WERC530.tmp.WERInternalMetadata.xmlxml
MD5:58EA54BDBD4608893ABE42AEFF9D0BEB
SHA256:D52D9A2BB94383303DF5591AAB9AA2171451586AF9243899535C6864E0DAE1BF
4684WerFault.exeC:\ProgramData\Microsoft\Windows\WER\Temp\WERC4B2.tmp.dmpdmp
MD5:39B4CCC829049373129F2797806EB776
SHA256:CE3F7D6D3237A630159900D37805F732D531BB61A20AF59C2FBA48D538E7634D
2596firefox.exeC:\Users\admin\AppData\Local\Mozilla\Firefox\Profiles\9kie7cg6.default-release\startupCache\urlCache-current.binbinary
MD5:3134ED3F12E4F4F8643DB90043B0FD7B
SHA256:26E4F122034D7A03F6DA0E707799B09CBEEBDAF8D7A3133A1F7BD894AC72EEA1
2596firefox.exeC:\Users\admin\AppData\Roaming\Mozilla\Firefox\Profiles\9kie7cg6.default-release\sessionCheckpoints.json.tmpbinary
MD5:EA8B62857DFDBD3D0BE7D7E4A954EC9A
SHA256:792955295AE9C382986222C6731C5870BD0E921E7F7E34CC4615F5CD67F225DA
2596firefox.exeC:\Users\admin\AppData\Roaming\Mozilla\Firefox\Profiles\9kie7cg6.default-release\cookies.sqlite-shmbinary
MD5:B7C14EC6110FA820CA6B65F5AEC85911
SHA256:FD4C9FDA9CD3F9AE7C962B0DDF37232294D55580E1AA165AA06129B8549389EB
2596firefox.exeC:\Users\admin\AppData\Roaming\Mozilla\Firefox\Profiles\9kie7cg6.default-release\sessionCheckpoints.jsonbinary
MD5:EA8B62857DFDBD3D0BE7D7E4A954EC9A
SHA256:792955295AE9C382986222C6731C5870BD0E921E7F7E34CC4615F5CD67F225DA
2596firefox.exeC:\Users\admin\AppData\Roaming\Mozilla\Firefox\Profiles\9kie7cg6.default-release\storage\permanent\chrome\idb\3870112724rsegmnoittet-es.sqlite
MD5:
SHA256:
2596firefox.exeC:\Users\admin\AppData\Roaming\Mozilla\Firefox\Profiles\9kie7cg6.default-release\storage\permanent\chrome\idb\3870112724rsegmnoittet-es.sqlite-shmbinary
MD5:B7C14EC6110FA820CA6B65F5AEC85911
SHA256:FD4C9FDA9CD3F9AE7C962B0DDF37232294D55580E1AA165AA06129B8549389EB
Download PCAP, analyze network streams, HTTP content and a lot more at the full report
HTTP(S) requests
12
TCP/UDP connections
39
DNS requests
56
Threats
0

HTTP requests

PID
Process
Method
HTTP Code
IP
URL
CN
Type
Size
Reputation
4684
WerFault.exe
GET
200
23.216.77.9:80
http://crl.microsoft.com/pki/crl/products/MicRooCerAut2011_2011_03_22.crl
unknown
whitelisted
4684
WerFault.exe
GET
200
95.101.149.131:80
http://www.microsoft.com/pkiops/crl/MicSecSerCA2011_2011-10-18.crl
unknown
whitelisted
6756
svchost.exe
GET
200
2.17.190.73:80
http://ocsp.digicert.com/MFEwTzBNMEswSTAJBgUrDgMCGgUABBSAUQYBMq2awn1Rh6Doh%2FsBYgFV7gQUA95QNVbRTLtm8KPiGxvDl7I90VUCEAJ0LqoXyo4hxxe7H%2Fz9DKA%3D
unknown
whitelisted
1268
svchost.exe
GET
200
95.101.149.131:80
http://www.microsoft.com/pkiops/crl/MicSecSerCA2011_2011-10-18.crl
unknown
whitelisted
1268
svchost.exe
GET
200
23.216.77.9:80
http://crl.microsoft.com/pki/crl/products/MicRooCerAut2011_2011_03_22.crl
unknown
whitelisted
4648
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
4648
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
2596
firefox.exe
GET
200
34.107.221.82:80
http://detectportal.firefox.com/success.txt?ipv4
unknown
whitelisted
2596
firefox.exe
GET
200
34.107.221.82:80
http://detectportal.firefox.com/canonical.html
unknown
whitelisted
2596
firefox.exe
GET
34.107.221.82:80
http://detectportal.firefox.com/success.txt?ipv4
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
1268
svchost.exe
51.104.136.2:443
settings-win.data.microsoft.com
MICROSOFT-CORP-MSN-AS-BLOCK
IE
whitelisted
4
System
192.168.100.255:137
whitelisted
5944
MoUsoCoreWorker.exe
51.104.136.2:443
settings-win.data.microsoft.com
MICROSOFT-CORP-MSN-AS-BLOCK
IE
whitelisted
3960
RUXIMICS.exe
51.104.136.2:443
settings-win.data.microsoft.com
MICROSOFT-CORP-MSN-AS-BLOCK
IE
whitelisted
4684
WerFault.exe
135.234.160.246:443
watson.events.data.microsoft.com
LUCENT-CIO
US
whitelisted
4684
WerFault.exe
23.216.77.9:80
crl.microsoft.com
Akamai International B.V.
DE
whitelisted
4684
WerFault.exe
95.101.149.131:80
www.microsoft.com
Akamai International B.V.
NL
whitelisted
4
System
192.168.100.255:138
whitelisted
6756
svchost.exe
40.126.31.1:443
login.live.com
MICROSOFT-CORP-MSN-AS-BLOCK
IE
whitelisted
6756
svchost.exe
2.17.190.73:80
ocsp.digicert.com
AKAMAI-AS
DE
whitelisted

DNS requests

Domain
IP
Reputation
settings-win.data.microsoft.com
  • 51.104.136.2
  • 51.124.78.146
whitelisted
google.com
  • 172.217.16.206
whitelisted
watson.events.data.microsoft.com
  • 135.234.160.246
whitelisted
crl.microsoft.com
  • 23.216.77.9
  • 23.216.77.8
  • 23.216.77.37
  • 23.216.77.5
  • 23.216.77.31
  • 23.216.77.35
  • 23.216.77.41
  • 23.216.77.10
  • 23.216.77.42
whitelisted
www.microsoft.com
  • 95.101.149.131
whitelisted
login.live.com
  • 40.126.31.1
  • 20.190.159.73
  • 40.126.31.130
  • 20.190.159.23
  • 40.126.31.131
  • 20.190.159.71
  • 40.126.31.71
  • 40.126.31.3
whitelisted
ocsp.digicert.com
  • 2.17.190.73
whitelisted
client.wns.windows.com
  • 172.211.123.248
whitelisted
slscr.update.microsoft.com
  • 20.109.210.53
whitelisted
fe3cr.delivery.mp.microsoft.com
  • 40.69.42.241
whitelisted

Threats

No threats detected
No debug info