416309526deda096ac6b16949a61237b47100fa6854d74e3bfacaab3d8a4afb8

Analysis

max time kernel
149s
max time network
137s
platform
windows10-2004_x64
resource
win10v2004-20260911-en
resource tags

arch:x64arch:x86image:win10v2004-20260911-enlocale:en-usos:windows10-2004-x64systemwindows
submitted
14/10/2026, 12:21

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General

Target
updll3.dll
Size 1015KB
Sample261014-pjs63svvbw
SHA256 416309526deda096ac6b16949a61237b47100fa6854d74e3bfacaab3d8a4afb8
MD5 f5e3fd1d3a5e86fc072d53408e758be9
SHA1 1ed2958aa8bc966881a38ae54cc323e5bc52ec28
SHA512 4674f601c78c317afdb324cb9e48df2e1e93e3cd061f4d36aa782109d9060fed841f153836852db93bcc3fb84b08ec4f1c35fccea392de248ca89729a4c850c7
SSDEEP 24576:HzQzdHcEotQ5HCHvwcFi+ooSgA+eqLTJAS5IwX+CmE3l9CA0L3i+:H6Rrv5avfiupNAUz+CmiH7+V
TLSH
T1E925339679354A16D27949F47DE0893EF7313E4A1522C0C3A6A2C21D8E8474EED4B2EF
MD5 SHA1 SHA512 SSDEEP TLSH

Score

3^/10

discovery

Malware Config

Signatures

Program crash 1 IoCs

pid	pid_target	Process	procid_target
4576	2284	WerFault.exe	86

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	rundll32.exe

Suspicious use of WriteProcessMemory 1 IoCs

description	pid	Process	procid_target
PID 3908 wrote to memory of 2284	3908	rundll32.exe	86

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\updll3.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:3908
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\updll3.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2284
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2284 -s 660
    3⤵
    - Program crash
    PID:4576

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 404 -p 2284 -ip 2284
1⤵
PID:3312

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

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Downloads

memory/2284-1-0x0000000000350000-0x0000000000352000-memory.dmp

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memory/2284-0-0x0000000075080000-0x000000007534F000-memory.dmp

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memory/2284-2-0x0000000075080000-0x000000007534F000-memory.dmp

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Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v16

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Downloads