f537cdf8318bd14eeea6a1edbe12db4702d60522b7d5cc502d8beacbd39511b2

Analysis

user interaction
yes
max time kernel
16s
max time network
11s
platform
windows10-2004_x64
resource
win10v2004-20260513-en
resource tags

arch:x64arch:x86image:win10v2004-20260513-enlocale:en-usos:windows10-2004-x64systemwindows
submitted
20/07/2026, 01:04

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General

Target
2020.dll
Size 207KB
Sample260720-be9flsdv5w
SHA256 f537cdf8318bd14eeea6a1edbe12db4702d60522b7d5cc502d8beacbd39511b2
MD5 f00b07bfb1cd564ecb10d92694b74226
SHA1 402da22d01348be7587f566954bb514b9f7301f6
SHA512 cb31cd1394b069c9dd3f78b40b4885813c700028d98135e1222eac860c67f69406ceb83da4c8732b18441968f90c0cdda57fb5debf2ea8d225de50d024fbc301
SSDEEP 6144:lhWtypy5obGaAWBchsd9wZgkNy7WHNQMyZJ6chsS:lhWtyU5obGaXB+E9wdy6yMyX8
TLSH
T1B8248D21FC83803EDD950AB281BD4EB6197C869A67E554EBF7C02C714C695E33B39A03
MD5 SHA1 SHA512 SSDEEP TLSH

Score

3^/10

discovery

Malware Config

Signatures

Program crash 1 IoCs

pid	pid_target	Process	procid_target
4580	988	WerFault.exe	85

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 4916 wrote to memory of 988	4916	rundll32.exe	85

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\2020.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:4916
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\2020.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  PID:988
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 988 -s 776
    3⤵
    - Program crash
    PID:4580

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 988 -ip 988
1⤵
PID:1860

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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