2d3a1c7e0e6256344648a054bc5526d4804538fef9cc87efab9edb426bf1f4a6

Analysis

max time kernel
48s
max time network
38s
platform
windows11-ltsc_2024_x64
resource
win11ltsc2024-20260629-en
resource tags

arch:x64arch:x86image:win11ltsc2024-20260629-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
submitted
05/07/2026, 22:09

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General

Target
EzExtractProShell32.dll
Size 126KB
Sample260705-121vesf12v
SHA256 2d3a1c7e0e6256344648a054bc5526d4804538fef9cc87efab9edb426bf1f4a6
MD5 24be51bce468016e106b55b19a2cbc80
SHA1 c7e18c81ebe523a1fefd845c9f9e09b881fccd11
SHA512 697d736f24b8e28db98885ad248048f43d6bf26237dc0e9651d37810d992fb2482cfd23a26d10164a2a30ad326fbbaca9390730ec498972cc91f673b77756859
SSDEEP 3072:y/jBvy5HvTzwlKF75GsZMV8/bvQ3MOfJUES6Xm:y/+v/wlCtG+VgRBUEX2
TLSH
T1CEC38C01B6D090B2D5BE1D380874DB725F3EB930DF545D9B67A41ABA9E702C1CE34A2B
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 6 IoCs

description	ioc	Process
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{3D983473-BB31-4609-9F85-3A93CE453FC7}\ManualSafeSave = "1"	regsvr32.exe
Key created	\REGISTRY\MACHINE\Software\Classes\WOW6432Node\CLSID\{3D983473-BB31-4609-9F85-3A93CE453FC7}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{3D983473-BB31-4609-9F85-3A93CE453FC7}\ = "EzExtractPro Context Menu Handler"	regsvr32.exe
Key created	\REGISTRY\MACHINE\Software\Classes\WOW6432Node\CLSID\{3D983473-BB31-4609-9F85-3A93CE453FC7}\InProcServer32	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{3D983473-BB31-4609-9F85-3A93CE453FC7}\InProcServer32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\EzExtractProShell32.dll"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{3D983473-BB31-4609-9F85-3A93CE453FC7}\InProcServer32\ThreadingModel = "Both"	regsvr32.exe

Suspicious use of WriteProcessMemory 1 IoCs

description	pid	Process	procid_target
PID 3796 wrote to memory of 4516	3796	regsvr32.exe	88

C:\Windows\system32\regsvr32.exe
regsvr32 /s C:\Users\Admin\AppData\Local\Temp\EzExtractProShell32.dll
1⤵
- Suspicious use of WriteProcessMemory
PID:3796
- C:\Windows\SysWOW64\regsvr32.exe
  /s C:\Users\Admin\AppData\Local\Temp\EzExtractProShell32.dll
  2⤵
  - System Location Discovery: System Language Discovery
  - Modifies registry class
  PID:4516

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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