Analysis
- max time kernel
148s - max time network
114s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260710-en - resource tags
arch:x64arch:x86image:win11ltsc2024-20260710-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows - submitted
27/07/2026, 02:12
Static task
static1
1 signatures
Behavioral task
behavioral1
Sample
PdFcOrE8.dll
Resource
win10v2004-20260513-en
windows10-2004-x64
3 signatures
150 seconds
Behavioral task
behavioral2
Sample
PdFcOrE8.dll
Resource
win11ltsc2024-20260710-en
windows11-ltsc_2024-x64
3 signatures
150 seconds
Behavioral task
behavioral3
Sample
Vat.No.20260727012710.exe
Resource
win10v2004-20260513-en
windows10-2004-x64
15 signatures
150 seconds
Behavioral task
behavioral4
Sample
Vat.No.20260727012710.exe
Resource
win11ltsc2024-20260709-en
windows11-ltsc_2024-x64
15 signatures
150 seconds
General
- Target PdFcOrE8.dll
- Size 5.5MB
- Sample260727-cm4e1at1hv
- SHA256 444895f3da82219089234542eb4c63ff3fee6ed2e003007161c648d27bbe59ab
- MD5 188aca3b1a799984cc02f56d1b5feb23
- SHA1 7516837a703facf35f1742cb984d1d0aa1b2b976
- SHA512 8b6966063110770d9b144deed47960c7669f1453b9bdecaa04bb1063caf493792f09b758e0138659e60a9c54624ee5acf6f5f29857d37072745cac939baf7a7c
- SSDEEP 98304:0nJkIC4LTSPakN6RaSnZ0qTTJ8OjWrh6Wfa/oSoL7/aC+gsMjLqWaG0T:iJHT4P39fa/oSHFm
- TLSH T18846CF913A40646DE2D7013C4E1DB365D3EE4BA01F3A90CBE2D4E96E29315C2E727E67
- MD5 SHA1 SHA512 SSDEEP TLSH
Score
3/10
Malware Config
Signatures
- System Location Discovery: System Language Discovery 1 TTPs 1 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
description ioc Process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language regsvr32.exe - Modifies registry class 24 IoCs
description ioc Process Key created \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{50CAD4C0-6A1B-44A4-A4B8-74FB9FF4FCB7} regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{50CAD4C0-6A1B-44A4-A4B8-74FB9FF4FCB7}\1.0 regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{50CAD4C0-6A1B-44A4-A4B8-74FB9FF4FCB7}\1.0\FLAGS\ = "0" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{50CAD4C0-6A1B-44A4-A4B8-74FB9FF4FCB7}\1.0\HELPDIR\ regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{ED4613DF-4D86-45E4-8767-B76513FC9531}\TypeLib\ = "{50CAD4C0-6A1B-44A4-A4B8-74FB9FF4FCB7}" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{50CAD4C0-6A1B-44A4-A4B8-74FB9FF4FCB7}\1.0\ = "TencentVideoReporterPC" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{50CAD4C0-6A1B-44A4-A4B8-74FB9FF4FCB7}\1.0\0 regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{50CAD4C0-6A1B-44A4-A4B8-74FB9FF4FCB7}\1.0\0\win32 regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{50CAD4C0-6A1B-44A4-A4B8-74FB9FF4FCB7}\1.0\0\win32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\PdFcOrE8.dll" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{ED4613DF-4D86-45E4-8767-B76513FC9531}\TypeLib regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{ED4613DF-4D86-45E4-8767-B76513FC9531}\TypeLib regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{ED4613DF-4D86-45E4-8767-B76513FC9531}\TypeLib\ = "{50CAD4C0-6A1B-44A4-A4B8-74FB9FF4FCB7}" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{50CAD4C0-6A1B-44A4-A4B8-74FB9FF4FCB7}\1.0\HELPDIR regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{ED4613DF-4D86-45E4-8767-B76513FC9531}\ = "IUpgradeHelper" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{ED4613DF-4D86-45E4-8767-B76513FC9531} regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{ED4613DF-4D86-45E4-8767-B76513FC9531}\ = "IUpgradeHelper" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{ED4613DF-4D86-45E4-8767-B76513FC9531}\ProxyStubClsid32\ = "{00020420-0000-0000-C000-000000000046}" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{50CAD4C0-6A1B-44A4-A4B8-74FB9FF4FCB7}\1.0\FLAGS regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{ED4613DF-4D86-45E4-8767-B76513FC9531} regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{ED4613DF-4D86-45E4-8767-B76513FC9531}\ProxyStubClsid32 regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{ED4613DF-4D86-45E4-8767-B76513FC9531}\ProxyStubClsid32\ = "{00020420-0000-0000-C000-000000000046}" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{ED4613DF-4D86-45E4-8767-B76513FC9531}\TypeLib\Version = "1.0" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{ED4613DF-4D86-45E4-8767-B76513FC9531}\ProxyStubClsid32 regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{ED4613DF-4D86-45E4-8767-B76513FC9531}\TypeLib\Version = "1.0" regsvr32.exe - Suspicious use of WriteProcessMemory 1 IoCs
description pid Process procid_target PID 2884 wrote to memory of 4360 2884 regsvr32.exe 89
Processes
-
C:\Windows\system32\regsvr32.exeregsvr32 /s C:\Users\Admin\AppData\Local\Temp\PdFcOrE8.dll1⤵
- Suspicious use of WriteProcessMemory
PID:2884 -
C:\Windows\SysWOW64\regsvr32.exe/s C:\Users\Admin\AppData\Local\Temp\PdFcOrE8.dll2⤵
- System Location Discovery: System Language Discovery
- Modifies registry class
PID:4360
-