Analysis
- max time kernel
148s - max time network
135s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260709-en - resource tags
- submitted
03/08/2026, 12:18
General
- Target PURCHASE_ORDER_NO_ZYT109.js
- Size 3.3MB
- Sample260803-pg3mqsxdkc
- SHA256 cb345895541be85dc0dacd82805471a1a15d272c2b47d7f3644195dd625d5f34
Malware Config
Signatures
- Family: Formbook
Formbook is a data stealing malware which is capable of stealing data.
- Formbook payload 3 IoCs
- Executes dropped EXE 1 IoCs
- Suspicious use of SetThreadContext 3 IoCs
- Command and Scripting Interpreter: JavaScript 1 TTPs
- Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
- Executes a command shell one-liner 1 TTPs 3 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 7 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
- Modifies registry class 2 IoCs
- Scheduled Task/Job: Scheduled Task 1 TTPs 1 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
- Suspicious behavior: EnumeratesProcesses 10 IoCs
- Suspicious behavior: MapViewOfSection 3 IoCs
- Suspicious use of AdjustPrivilegeToken 1 IoCs
- Suspicious use of WriteProcessMemory 7 IoCs
Processes
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C:\Windows\system32\wscript.exewscript.exe C:\Users\Admin\AppData\Local\Temp\PURCHASE_ORDER_NO_ZYT109.js1⤵
- Modifies registry class
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\Documents\BRPBLWHJXIZPFEUP.PIF"C:\Users\Admin\Documents\BRPBLWHJXIZPFEUP.PIF" C:\Users\Admin\Documents\BRPBLWHJXIZPFEUP.ttf2⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\cmd.exeC:\Windows\system32\cmd.exe /c whoami3⤵
- Executes a command shell one-liner
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\whoami.exewhoami4⤵
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
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C:\Windows\SysWOW64\cmd.exeC:\Windows\system32\cmd.exe /c schtasks /query /tn "BRPBLWHJXIZPFEUP" 2>nul3⤵
- Executes a command shell one-liner
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\schtasks.exeschtasks /query /tn "BRPBLWHJXIZPFEUP"4⤵
- System Location Discovery: System Language Discovery
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C:\Windows\SysWOW64\cmd.exeC:\Windows\system32\cmd.exe /c schtasks /create /sc minute /mo 15 /tn "BRPBLWHJXIZPFEUP" /tr "cmd /c \"C:\Users\Admin\Documents\PUEFPZIXJHWLBPRB.url\"" /ru "zcsdugwg\admin" /f /it3⤵
- Executes a command shell one-liner
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\schtasks.exeschtasks /create /sc minute /mo 15 /tn "BRPBLWHJXIZPFEUP" /tr "cmd /c \"C:\Users\Admin\Documents\PUEFPZIXJHWLBPRB.url\"" /ru "zcsdugwg\admin" /f /it4⤵
- System Location Discovery: System Language Discovery
- Scheduled Task/Job: Scheduled Task
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C:\Windows\system32\cmd.execmd1⤵
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
BRPBLWHJXIZPFEUP.PIF
BRPBLWHJXIZPFEUP.ttf
BRPBLWHJXIZPFEUP.ubf
memory/2612-29-0x000000007FE90000-0x000000007FEA0000-memory.dmp
memory/2612-34-0x000000007FE90000-0x000000007FEA0000-memory.dmp
memory/2612-11-0x000000007FE90000-0x000000007FEA0000-memory.dmp
memory/2612-16-0x000000007FE90000-0x000000007FEA0000-memory.dmp
memory/2612-20-0x000000007FE90000-0x000000007FEA0000-memory.dmp
memory/2612-19-0x000000007FE90000-0x000000007FEA0000-memory.dmp
memory/2612-18-0x000000007FE90000-0x000000007FEA0000-memory.dmp
memory/2612-17-0x000000007FE90000-0x000000007FEA0000-memory.dmp
memory/2612-24-0x000000007FE90000-0x000000007FEA0000-memory.dmp
memory/2612-23-0x000000007FE90000-0x000000007FEA0000-memory.dmp
memory/2612-22-0x000000007FE90000-0x000000007FEA0000-memory.dmp
memory/2612-21-0x000000007FE90000-0x000000007FEA0000-memory.dmp
memory/2612-25-0x000000007FE90000-0x000000007FEA0000-memory.dmp
memory/2612-10-0x000000007FE90000-0x000000007FEA0000-memory.dmp
memory/2612-12-0x000000007FE90000-0x000000007FEA0000-memory.dmp
memory/2612-35-0x000000007FE90000-0x000000007FEA0000-memory.dmp
memory/2612-32-0x000000007FE90000-0x000000007FEA0000-memory.dmp
memory/2612-33-0x000000007FE90000-0x000000007FEA0000-memory.dmp
memory/2612-36-0x000000007FE90000-0x000000007FEA0000-memory.dmp
memory/2612-31-0x000000007FE90000-0x000000007FEA0000-memory.dmp
memory/2612-30-0x000000007FE90000-0x000000007FEA0000-memory.dmp
memory/2612-38-0x0000000002810000-0x0000000002856000-memory.dmp
memory/2612-37-0x000000007FE90000-0x000000007FEA0000-memory.dmp
memory/2612-28-0x000000007FE90000-0x000000007FEA0000-memory.dmp
memory/2612-27-0x000000007FE90000-0x000000007FEA0000-memory.dmp
memory/2612-26-0x000000007FE90000-0x000000007FEA0000-memory.dmp
memory/2612-39-0x0000000002E00000-0x0000000002E46000-memory.dmp
memory/2612-40-0x0000000000400000-0x0000000000482000-memory.dmp
memory/2612-42-0x0000000002E00000-0x0000000002E46000-memory.dmp
memory/2612-45-0x0000000002E00000-0x0000000002E46000-memory.dmp
memory/2612-49-0x0000000000400000-0x0000000000482000-memory.dmp