Analysis
- max time kernel
149s - max time network
151s - platform
windows10-2004_x64 - resource
win10v2004-20260513-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
- Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
- 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.
- 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⤵
- Checks computer location settings
- 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 "rphjnylj\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 "rphjnylj\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/1248-24-0x000000007FE40000-0x000000007FE50000-memory.dmp
memory/1248-31-0x000000007FE40000-0x000000007FE50000-memory.dmp
memory/1248-10-0x000000007FE40000-0x000000007FE50000-memory.dmp
memory/1248-15-0x000000007FE40000-0x000000007FE50000-memory.dmp
memory/1248-14-0x000000007FE40000-0x000000007FE50000-memory.dmp
memory/1248-18-0x000000007FE40000-0x000000007FE50000-memory.dmp
memory/1248-17-0x000000007FE40000-0x000000007FE50000-memory.dmp
memory/1248-16-0x000000007FE40000-0x000000007FE50000-memory.dmp
memory/1248-21-0x000000007FE40000-0x000000007FE50000-memory.dmp
memory/1248-20-0x000000007FE40000-0x000000007FE50000-memory.dmp
memory/1248-19-0x000000007FE40000-0x000000007FE50000-memory.dmp
memory/1248-26-0x000000007FE40000-0x000000007FE50000-memory.dmp
memory/1248-25-0x000000007FE40000-0x000000007FE50000-memory.dmp
memory/1248-8-0x000000007FE40000-0x000000007FE50000-memory.dmp
memory/1248-9-0x000000007FE40000-0x000000007FE50000-memory.dmp
memory/1248-23-0x000000007FE40000-0x000000007FE50000-memory.dmp
memory/1248-29-0x000000007FE40000-0x000000007FE50000-memory.dmp
memory/1248-33-0x000000007FE40000-0x000000007FE50000-memory.dmp
memory/1248-35-0x0000000002970000-0x00000000029B6000-memory.dmp
memory/1248-32-0x000000007FE40000-0x000000007FE50000-memory.dmp
memory/1248-22-0x000000007FE40000-0x000000007FE50000-memory.dmp
memory/1248-30-0x000000007FE40000-0x000000007FE50000-memory.dmp
memory/1248-34-0x000000007FE40000-0x000000007FE50000-memory.dmp
memory/1248-28-0x000000007FE40000-0x000000007FE50000-memory.dmp
memory/1248-27-0x000000007FE40000-0x000000007FE50000-memory.dmp
memory/1248-36-0x0000000002CB0000-0x0000000002CF6000-memory.dmp
memory/1248-37-0x0000000000400000-0x0000000000482000-memory.dmp
memory/1248-39-0x0000000002CB0000-0x0000000002CF6000-memory.dmp
memory/1248-42-0x0000000002CB0000-0x0000000002CF6000-memory.dmp
memory/1248-45-0x0000000000400000-0x0000000000482000-memory.dmp