0e851dbd5a7a9cb0efd317ad169842263b3f1b97211dfbb3da9c89a6dabf9ba6

Analysis

max time kernel
149s
max time network
152s
platform
windows10-ltsc_2021_x64
resource
win10ltsc2021-20260513-en
resource tags

arch:x64arch:x86image:win10ltsc2021-20260513-enlocale:en-usos:windows10-ltsc_2021-x64systemwindows
submitted
15/08/2026, 12:44

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General

Target
psisdecd.dll
Size 346KB
Sample260815-pyyecafh96
SHA256 0e851dbd5a7a9cb0efd317ad169842263b3f1b97211dfbb3da9c89a6dabf9ba6
MD5 f548c2cee7755685d943ec9951067db7
SHA1 c1acf0470bf73d803aa2f97b3e2c2927957c1e0e
SHA512 6506e8eb1d8838d76c66107aa5571d50e71bb39bfacb19d6ec80708d6e1c2f3271e78a21c74a301a591e04f57430508dd045f50e107e42bcb8e06b68e5cc0db2
SSDEEP 6144:4djJAO5i8ux63PSnuc7lyunaq0sZLyXockJ6cXnEUjz/ZnCf5:4313KnuilyfsZGXocncXnEUjz/Znw5
TLSH
T1D8748E103FF6C036C7A56175CA7B6BAAF7B8DB094D600A670B0D162C6F38942D166B1F
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 20 IoCs

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{ABBA001B-3075-11D6-88A4-00B0D0200F88}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Psisdecd.CDvb\ = "CDvb Class"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Psisdecd.OpenCable\CurVer\ = "Psisdecd.OpenCable.1"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Psisdecd.OpenCable\CurVer	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Psisdecd.CDvb.1\ = "CDvb Class"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{ABBA0019-3075-11D6-88A4-00B0D0200F88}\1.0\HELPDIR\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{ABBA001B-3075-11D6-88A4-00B0D0200F88}\Programmable	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Psisdecd.ATSCTerrestrial\ = "ATSCTerrestrial Class"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{ABBA0019-3075-11D6-88A4-00B0D0200F88}\1.0\0\win32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\psisdecd.dll"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Psisdecd.OpenCable.1\ = "OpenCable Class"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Psisdecd.OpenCable.1\CLSID	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Psisdecd.OpenCable.1\CLSID\ = "{ABBA001B-3075-11D6-88A4-00B0D0200F88}"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Psisdecd.OpenCable	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Psisdecd.OpenCable\ = "OpenCable Class"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Psisdecd.OpenCable\CLSID	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Psisdecd.OpenCable\CLSID\ = "{ABBA001B-3075-11D6-88A4-00B0D0200F88}"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Psisdecd.ATSCTerrestrial.1\ = "ATSCTerrestrial Class"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Psisdecd.OpenCable.1	regsvr32.exe

Suspicious use of WriteProcessMemory 1 IoCs

description	pid	Process	procid_target
PID 3444 wrote to memory of 3060	3444	regsvr32.exe	82

C:\Windows\system32\regsvr32.exe
regsvr32 /s C:\Users\Admin\AppData\Local\Temp\psisdecd.dll
1⤵
- Suspicious use of WriteProcessMemory
PID:3444
- C:\Windows\SysWOW64\regsvr32.exe
  /s C:\Users\Admin\AppData\Local\Temp\psisdecd.dll
  2⤵
  - System Location Discovery: System Language Discovery
  - Modifies registry class
  PID:3060

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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