Analysis
- max time kernel
3s - max time network
7s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260911-en - resource tags
- submitted
27/10/2026, 16:16
General
- Target de5dd3212a5acd97c823bc700fca600e5a215edd3514a3b3ec197ee2dac07bd1.js
- Size 3.2MB
- Sample261027-tqsaksfs7p
- SHA256 de5dd3212a5acd97c823bc700fca600e5a215edd3514a3b3ec197ee2dac07bd1
Malware Config
Signatures
- Family: Formbook
Formbook is a data stealing malware which is capable of stealing data.
- Formbook payload 2 IoCs
- Command and Scripting Interpreter: JavaScript 1 TTPs
- Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
- Uses Task Scheduler COM API 1 TTPs
The Task Scheduler COM API can be used to schedule applications to run on boot or at set times.
- Uses Volume Shadow Copy WMI provider
The Volume Shadow Copy service is used to manage backups/snapshots.
- Uses Volume Shadow Copy service COM API
The Volume Shadow Copy service is used to manage backups/snapshots.
Processes
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C:\Windows\system32\wscript.exewscript.exe C:\Users\Admin\AppData\Local\Temp\de5dd3212a5acd97c823bc700fca600e5a215edd3514a3b3ec197ee2dac07bd1.js1⤵
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C:\ProgramData\FNYJVNVEORLFMHADKU\FNYJVNVEORLFMHADKU.exe"C:\ProgramData\FNYJVNVEORLFMHADKU\FNYJVNVEORLFMHADKU.exe" "C:\ProgramData\FNYJVNVEORLFMHADKU\FNYJVNVEORLFMHADKU.ini"2⤵
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C:\Windows\SysWOW64\mshta.exeC:\Windows\SysWOW64\mshta.exe3⤵
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C:\Windows\system32\svchost.exeC:\Windows\system32\svchost.exe -k GPSvcGroup1⤵
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
FNYJVNVEORLFMHADKU.exe
FNYJVNVEORLFMHADKU.ini
FNYJVNVEORLFMHADKU.zip
environment.ini
vcruntime140.dll
memory/1052-61-0x00000000FF8F0000-0x00000000FF900000-memory.dmp
memory/1052-62-0x00000000FF8F0000-0x00000000FF900000-memory.dmp
memory/1296-63-0x0000000000400000-0x0000000000446000-memory.dmp
memory/1296-64-0x0000000000BE0000-0x0000000000C26000-memory.dmp
memory/1296-65-0x0000000001240000-0x00000000015B4000-memory.dmp
memory/1296-66-0x0000000000BE0000-0x0000000000C26000-memory.dmp
memory/1296-67-0x0000000000BE0000-0x0000000000C26000-memory.dmp