Analysis
- max time kernel
148s - max time network
151s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260709-en - resource tags
- submitted
26/08/2026, 19:08
General
- Target Orden de Compra_PO 65092692.jpg.js
- Size 959KB
- Sample260826-xth3vsfa23
- SHA256 7fed01344fe28b7436bf2ca711d29740aed2a71e72d4ae471f17f83c2f430fa5
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: PowerShell 1 TTPs 1 IoCs
Run Powershell and hide display window.
- Accesses Microsoft Outlook profiles 1 TTPs 1 IoCs
- Suspicious use of SetThreadContext 5 IoCs
- Command and Scripting Interpreter: JavaScript 1 TTPs
- Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
- System Location Discovery: System Language Discovery 1 TTPs 3 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
- Modifies Internet Explorer settings 1 TTPs 1 IoCs
- Suspicious behavior: EnumeratesProcesses 28 IoCs
- Suspicious behavior: GetForegroundWindowSpam 1 IoCs
- Suspicious behavior: MapViewOfSection 7 IoCs
- Suspicious use of AdjustPrivilegeToken 25 IoCs
- Suspicious use of WriteProcessMemory 8 IoCs
- outlook_office_path 1 IoCs
Processes
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C:\Windows\explorer.exeexplorer.exe /LOADSAVEDWINDOWS1⤵
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of AdjustPrivilegeToken
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C:\Windows\system32\wscript.exewscript.exe "C:\Users\Admin\AppData\Local\Temp\Orden de Compra_PO 65092692.jpg.js"2⤵
- Suspicious behavior: MapViewOfSection
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe"C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe" -NoP -EP Bypass -NonInteractive -WindowStyle Hidden -File "C:\Users\Admin\AppData\Local\Temp\03bwrxs9\run_14344_e0bd.ps1"3⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
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C:\Windows\Microsoft.NET\Framework\v4.0.30319\csc.exe"C:\Windows\Microsoft.NET\Framework\v4.0.30319\csc.exe" /noconfig /fullpaths @"C:\Users\Admin\AppData\Local\Temp\zfwwinsz\zfwwinsz.cmdline"4⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
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C:\Windows\Microsoft.NET\Framework\v4.0.30319\cvtres.exeC:\Windows\Microsoft.NET\Framework\v4.0.30319\cvtres.exe /NOLOGO /READONLY /MACHINE:IX86 "/OUT:C:\Users\Admin\AppData\Local\Temp\RES6C8B.tmp" "c:\Users\Admin\AppData\Local\Temp\zfwwinsz\CSC13438DE6F6BE4343A84C8E47B55EDBA1.TMP"5⤵
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C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe"C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe"4⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
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C:\Windows\SysWOW64\MuiUnattend.exe"C:\Windows\SysWOW64\MuiUnattend.exe"3⤵
- Accesses Microsoft Outlook profiles
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Modifies Internet Explorer settings
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of WriteProcessMemory
- outlook_office_path
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C:\Program Files\Mozilla Firefox\Firefox.exe"C:\Program Files\Mozilla Firefox\Firefox.exe"4⤵
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Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
run_14344_e0bd.ps1
RES6C8B.tmp
zfwwinsz.dll
CSC13438DE6F6BE4343A84C8E47B55EDBA1.TMP
zfwwinsz.0.cs
zfwwinsz.cmdline
memory/3064-36-0x0000000000DC0000-0x0000000000E06000-memory.dmp
memory/3064-30-0x0000000000400000-0x0000000000446000-memory.dmp
memory/3468-39-0x0000000003380000-0x0000000003492000-memory.dmp
memory/4272-38-0x0000000000180000-0x00000000001C4000-memory.dmp
memory/4272-37-0x0000000000180000-0x00000000001C4000-memory.dmp
memory/5756-8-0x0000000005DE0000-0x0000000005E46000-memory.dmp
memory/5756-6-0x0000000005570000-0x0000000005592000-memory.dmp
memory/5756-16-0x00000000068B0000-0x00000000068CA000-memory.dmp
memory/5756-13-0x00000000063A0000-0x00000000063EC000-memory.dmp
memory/5756-12-0x0000000006350000-0x000000000636E000-memory.dmp
memory/5756-11-0x0000000005E50000-0x00000000061AB000-memory.dmp
memory/5756-1-0x0000000074382000-0x0000000074383000-memory.dmp
memory/5756-7-0x0000000005D70000-0x0000000005DD6000-memory.dmp
memory/5756-29-0x0000000005170000-0x0000000005178000-memory.dmp
memory/5756-15-0x0000000007AB0000-0x000000000812C000-memory.dmp
memory/5756-31-0x0000000007630000-0x00000000076C6000-memory.dmp
memory/5756-32-0x00000000073A0000-0x00000000073C2000-memory.dmp
memory/5756-33-0x00000000086F0000-0x0000000008CAA000-memory.dmp
memory/5756-35-0x0000000074370000-0x0000000074B2C000-memory.dmp
memory/5756-5-0x0000000074370000-0x0000000074B2C000-memory.dmp
memory/5756-4-0x00000000055B0000-0x0000000005BFA000-memory.dmp
memory/5756-3-0x0000000074370000-0x0000000074B2C000-memory.dmp
memory/5756-2-0x0000000004E50000-0x0000000004E86000-memory.dmp
memory/6104-46-0x0000012468060000-0x0000012468104000-memory.dmp