d5234b151ee1cbef276bc45a315599f449c882762c296d40549f8fe3c17ebcd3

Analysis

max time kernel
149s
max time network
141s
platform
windows10-ltsc_2021_x64
resource
win10ltsc2021-20260126-es
resource tags

arch:x64arch:x86image:win10ltsc2021-20260126-eslocale:es-esos:windows10-ltsc_2021-x64systemwindows
submitted
19/04/2026, 16:33

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General

Target
Plugins/FX/reainsert.dll
Size 404KB
Sample260419-t2pc3ab16s
SHA256 d5234b151ee1cbef276bc45a315599f449c882762c296d40549f8fe3c17ebcd3
MD5 71cca9d804fa230158218dbcb1f4473e
SHA1 4b35245eea183dd826c57eabba677936d41edab0
SHA512 6253929ee2a23d5381f2780f2f24b9e4653e980dad29b4ae8878f9459023f56adda11c68dca2c47af38b0dee5f67c098f99c57688fe12ef126e7fbf1cf248b6e
SSDEEP 6144:mbvFORegSc/O7faN3+erB7UEx+mJAYAT71QqG7vBm7:+dORerc27A1B7UEYmqYAT69k
TLSH
T16894CF1175E3E0F2D06B15B160439B374BBA3E254236DAFBFBD40E9D0D212526B2A70B
MD5 SHA1 SHA512 SSDEEP TLSH

Score

3^/10

discovery

Malware Config

Signatures

Program crash 1 IoCs

pid	pid_target	Process	procid_target
3656	4360	WerFault.exe	81

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 4448 wrote to memory of 4360	4448	rundll32.exe	81

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\Plugins\FX\reainsert.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:4448
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\Plugins\FX\reainsert.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  PID:4360
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 4360 -s 628
    3⤵
    - Program crash
    PID:3656

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 256 -p 4360 -ip 4360
1⤵
PID:5192

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

Replay Monitor

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Downloads

memory/4360-0-0x0000000000720000-0x000000000079B000-memory.dmp

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