37275f3ea79d15a2792bf21f71f1df825f201cf8b33aa1f94ca93d62d76b216c

Analysis

max time kernel
149s
max time network
153s
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, 22:52

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General

Target
MEIPreload/Qt5Network.dll
Size 1.0MB
Sample261014-2tesnatwcx
SHA256 37275f3ea79d15a2792bf21f71f1df825f201cf8b33aa1f94ca93d62d76b216c
MD5 2e3db1cd1ec59d08706438258e86ea30
SHA1 bc20b1e40049386e6bea3f448a6852bc879a8821
SHA512 0c0e0e02ccadc3f2b3f6c8cbf2c162fb73734b0b244c80048968a6fe268450a270a3f92b155daf6268fef246d26ad417e6cec224133fd66e6ffb3a5394b04358
SSDEEP 24576:Aul0ktv339DOBVXaIFP698DWk7PVmr0qwjb:A8sJVWAcwnH
TLSH
T1BD256C92B786C0B2E84481F5455EEB67E53DB1388B0666E3E34C6FE2D151ED21E3F182
MD5 SHA1 SHA512 SSDEEP TLSH

Score

3^/10

discovery

Malware Config

Signatures

Program crash 1 IoCs

pid	pid_target	Process	procid_target
3424	1904	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 5504 wrote to memory of 1904	5504	rundll32.exe	86

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\MEIPreload\Qt5Network.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:5504
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\MEIPreload\Qt5Network.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  PID:1904
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 1904 -s 716
    3⤵
    - Program crash
    PID:3424

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 412 -p 1904 -ip 1904
1⤵
PID:2476

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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