Analysis
- max time kernel
149s - max time network
149s - platform
windows10-2004_x64 - resource
win10v2004-20260513-en - resource tags
- submitted
01/09/2026, 06:21
General
- Target Producto y especificaciones adjuntas_.js
- Size 551KB
- Sample260901-g4algabe39
- SHA256 2b05c268953cbd4441cb8a112ba5aefba0ccb0c86552107e1809453affed7e31
Malware Config
Signatures
- Family: Formbook
Formbook is a data stealing malware which is capable of stealing data.
- Formbook payload 2 IoCs
- Process spawned unexpected child process 1 IoCs
This typically indicates the parent process was compromised via an exploit or macro.
- Temporarily bypasses Powershell execution policy 1 TTPs 1 IoCs
Using Set-ExecutionPolicy to permit execution of unsigned or restricted scripts in that process.
- Accesses Microsoft Outlook profiles 1 TTPs 1 IoCs
- Command and Scripting Interpreter: PowerShell 1 TTPs 1 IoCs
Using powershell.exe command.
- Suspicious use of SetThreadContext 5 IoCs
- Command and Scripting Interpreter: JavaScript 1 TTPs
- Executes a command shell one-liner 1 TTPs 1 IoCs
Execution of a cmd.exe one-liner (/c "close" or /k "keep") is a common script/loader stage.
- System Location Discovery: System Language Discovery 1 TTPs 4 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
- System Network Configuration Discovery: Internet Connection Discovery 1 TTPs 1 IoCs
Adversaries may check for Internet connectivity on compromised systems.
- Modifies Internet Explorer settings 1 TTPs 1 IoCs
- Suspicious behavior: EnumeratesProcesses 32 IoCs
- Suspicious behavior: GetForegroundWindowSpam 1 IoCs
- Suspicious behavior: MapViewOfSection 5 IoCs
- Suspicious use of AdjustPrivilegeToken 1 IoCs
- Suspicious use of WriteProcessMemory 9 IoCs
- 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.
- outlook_office_path 1 IoCs
Processes
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C:\Windows\Explorer.EXEC:\Windows\Explorer.EXE1⤵
- Suspicious behavior: GetForegroundWindowSpam
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C:\Windows\system32\wscript.exewscript.exe "C:\Users\Admin\AppData\Local\Temp\Producto y especificaciones adjuntas_.js"2⤵
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C:\Windows\system32\wscript.exewscript.exe1⤵
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C:\Windows\system32\cmd.exeC:\Windows\system32\cmd.exe /c C:\Users\Admin\AppData\Local\Temp\pg55cd9s\svc_93929_d94f.cmd1⤵
- Process spawned unexpected child process
- Executes a command shell one-liner
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exeC:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe -w h -nop -c "Set-ExecutionPolicy Bypass -Scope Process -Force; & 'C:\Users\Admin\AppData\Local\Temp\pg55cd9s\cfg_42840_d940.ps1'"2⤵
- Temporarily bypasses Powershell execution policy
- 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\szdsxt0c\szdsxt0c.cmdline"3⤵
- 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\RES3459.tmp" "c:\Users\Admin\AppData\Local\Temp\szdsxt0c\CSC5C84388AA0234681B6FAFA6CB8133B.TMP"4⤵
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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\1lmsg10t\1lmsg10t.cmdline"3⤵
- 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\RES3582.tmp" "c:\Users\Admin\AppData\Local\Temp\1lmsg10t\CSCD4252BA9DD934A7AB8A9C7833B241B0.TMP"4⤵
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exeC:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe3⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
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C:\Windows\SysWOW64\PATHPING.EXE"C:\Windows\SysWOW64\PATHPING.EXE"1⤵
- Accesses Microsoft Outlook profiles
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- System Network Configuration Discovery: Internet Connection 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\Google\Chrome\Application\chrome.exe"C:\Program Files\Google\Chrome\Application\chrome.exe"2⤵
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C:\Program Files\Google\Chrome\Application\140.0.7339.81\elevation_service.exe"C:\Program Files\Google\Chrome\Application\140.0.7339.81\elevation_service.exe"1⤵
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C:\Program Files\Google\Chrome\Application\140.0.7339.81\elevation_service.exe"C:\Program Files\Google\Chrome\Application\140.0.7339.81\elevation_service.exe"1⤵
Network
MITRE ATT&CK Enterprise v16
Execution
Command and Scripting Interpreter
4JavaScript
1PowerShell
2Windows Command Shell
1Replay Monitor
Loading Replay Monitor...
Downloads
1lmsg10t.dll
RES3459.tmp
RES3582.tmp
__PSScriptPolicyTest_nv3h35z0.kho.ps1
cfg_42840_d940.ps1
clr_49999_d940
svc_93929_d94f.cmd
tmp_91562_d940
szdsxt0c.dll
1lmsg10t.0.cs
1lmsg10t.cmdline
CSCD4252BA9DD934A7AB8A9C7833B241B0.TMP
CSC5C84388AA0234681B6FAFA6CB8133B.TMP
szdsxt0c.0.cs
szdsxt0c.cmdline
memory/2864-87-0x000001D88DA80000-0x000001D88DB5C000-memory.dmp
memory/3028-13-0x0000000005190000-0x00000000051F6000-memory.dmp
memory/3028-11-0x0000000005080000-0x00000000050A2000-memory.dmp
memory/3028-37-0x0000000007240000-0x00000000072E3000-memory.dmp
memory/3028-38-0x00000000079A0000-0x000000000801A000-memory.dmp
memory/3028-39-0x0000000007360000-0x000000000737A000-memory.dmp
memory/3028-40-0x00000000073C0000-0x00000000073CA000-memory.dmp
memory/3028-41-0x00000000075F0000-0x0000000007686000-memory.dmp
memory/3028-42-0x0000000007560000-0x0000000007571000-memory.dmp
memory/3028-23-0x00000000060E0000-0x000000000612C000-memory.dmp
memory/3028-22-0x0000000006040000-0x000000000605E000-memory.dmp
memory/3028-21-0x0000000005A10000-0x0000000005D64000-memory.dmp
memory/3028-35-0x0000000004BE0000-0x0000000004BF0000-memory.dmp
memory/3028-36-0x0000000006630000-0x000000000664E000-memory.dmp
memory/3028-26-0x0000000071080000-0x00000000710CC000-memory.dmp
memory/3028-24-0x000000007FD30000-0x000000007FD40000-memory.dmp
memory/3028-12-0x0000000005120000-0x0000000005186000-memory.dmp
memory/3028-58-0x0000000004D80000-0x0000000004D88000-memory.dmp
memory/3028-34-0x0000000004BE0000-0x0000000004BF0000-memory.dmp
memory/3028-10-0x0000000005220000-0x0000000005848000-memory.dmp
memory/3028-9-0x0000000004BE0000-0x0000000004BF0000-memory.dmp
memory/3028-8-0x0000000004AA0000-0x0000000004AD6000-memory.dmp
memory/3028-71-0x0000000004D90000-0x0000000004D98000-memory.dmp
memory/3028-7-0x0000000004BE0000-0x0000000004BF0000-memory.dmp
memory/3028-72-0x0000000004DA0000-0x0000000004DBA000-memory.dmp
memory/3028-73-0x0000000004DD0000-0x0000000004DD8000-memory.dmp
memory/3028-74-0x0000000004BE0000-0x0000000004BF0000-memory.dmp
memory/3028-25-0x00000000065F0000-0x0000000006622000-memory.dmp
memory/3028-76-0x0000000007740000-0x0000000007762000-memory.dmp
memory/3028-77-0x00000000085D0000-0x0000000008B74000-memory.dmp
memory/3300-83-0x0000000008FA0000-0x000000000906B000-memory.dmp
memory/4072-81-0x00000000001A0000-0x00000000001E3000-memory.dmp
memory/4072-82-0x00000000001A0000-0x00000000001E3000-memory.dmp
memory/4716-80-0x0000000000BD0000-0x0000000000C16000-memory.dmp
memory/4716-75-0x0000000000400000-0x0000000000446000-memory.dmp