d265fcf18b14b98e55aa9fffd6b64b39de84304a1796854e72eef35bc6dca2c6

Analysis

max time kernel
598s
max time network
431s
platform
windows10-2004_x64
resource
win10v2004-20260513-ja
resource tags

arch:x64arch:x86image:win10v2004-20260513-jalocale:ja-jpos:windows10-2004-x64systemwindows
submitted
27/07/2026, 09:03

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General

Target
PdFcOrE8.dll
Size 5.5MB
Sample260727-k1dqhack5x
SHA256 d265fcf18b14b98e55aa9fffd6b64b39de84304a1796854e72eef35bc6dca2c6
MD5 7e41ded03b900c61467b70ca1718fed2
SHA1 ceb851e0aeb27295b8221a3f5e225c9db0790051
SHA512 63ca550b570606a2337d24a57baf9069b8cf73c9ef54f353bd177eee04539a3bbd744dd915263739a4077272714e5fdbd8e122724051fa630729b556329b0371
SSDEEP 98304:0nJkIC4LTSPakN6RaSnZ0qTTJ8OjWrh6Wfa/oSoL4/aC+gsMjLqWaG0T:iJHT4P39fa/oSuFm
TLSH
T12446CF913A40646DE2D7013C4E1DB365D3EE4BA01F3A90CBE2D4E96E29315C2E727E67
MD5 SHA1 SHA512 SSDEEP TLSH

Score

3^/10

discovery

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.

discovery

System Language Discovery

T1614.001

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}\1.0	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}\ = "IUpgradeHelper"	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}	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{ED4613DF-4D86-45E4-8767-B76513FC9531}\ProxyStubClsid32	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
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\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}\ProxyStubClsid32	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
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{50CAD4C0-6A1B-44A4-A4B8-74FB9FF4FCB7}\1.0\ = "TencentVideoReporterPC"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{50CAD4C0-6A1B-44A4-A4B8-74FB9FF4FCB7}\1.0\FLAGS\ = "0"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{50CAD4C0-6A1B-44A4-A4B8-74FB9FF4FCB7}\1.0\HELPDIR	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}\TypeLib	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\Interface\{ED4613DF-4D86-45E4-8767-B76513FC9531}\ = "IUpgradeHelper"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{ED4613DF-4D86-45E4-8767-B76513FC9531}\TypeLib\Version = "1.0"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{50CAD4C0-6A1B-44A4-A4B8-74FB9FF4FCB7}	regsvr32.exe

Suspicious use of WriteProcessMemory 1 IoCs

description	pid	Process	procid_target
PID 5104 wrote to memory of 4804	5104	regsvr32.exe	87

C:\Windows\system32\regsvr32.exe
regsvr32 /s C:\Users\Admin\AppData\Local\Temp\PdFcOrE8.dll
1⤵
- Suspicious use of WriteProcessMemory
PID:5104
- C:\Windows\SysWOW64\regsvr32.exe
  /s C:\Users\Admin\AppData\Local\Temp\PdFcOrE8.dll
  2⤵
  - System Location Discovery: System Language Discovery
  - Modifies registry class
  PID:4804

Network

MITRE ATT&CK Enterprise v16

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v16

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