Analysis
- max time kernel
148s - max time network
128s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260911-en - resource tags
- submitted
04/11/2026, 07:36
General
- Target PO_N0_98076.JS.js
- Size 3.0MB
- Sample261104-jfcf9sty9m
- SHA256 2e90337407e97c12f994d4d2a981a29516633c657f962ff94ba2c1f1ca22f4e4
Malware Config
Signatures
- Family: Formbook
Formbook is a data stealing malware which is capable of stealing data.
- Formbook payload 3 IoCs
- Executes dropped EXE 2 IoCs
- Adds Run key to start application 2 TTPs 2 IoCs
- Executes a VBScript file via the Windows Script Host. 1 TTPs 1 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 1 IoCs
Execution of a cmd.exe one-liner (/c "close" or /k "keep") is a common script/loader stage.
- Modifies registry class 3 IoCs
- NTFS ADS 1 IoCs
- Suspicious behavior: EnumeratesProcesses 15 IoCs
- Suspicious behavior: MapViewOfSection 1 TTPs 1 IoCs
- Suspicious use of WriteProcessMemory 3 IoCs
Processes
-
C:\Windows\system32\wscript.exewscript.exe C:\Users\Admin\AppData\Local\Temp\PO_N0_98076.JS.js1⤵
- Modifies registry class
- Suspicious use of WriteProcessMemory
-
C:\Windows\System32\cmd.exe"C:\Windows\System32\cmd.exe" /c echo. > "C:\Users\Admin\AppData\Local\Temp\PO_N0_98076.JS.js:Zone.Identifier"2⤵
- Executes a command shell one-liner
- NTFS ADS
-
-
C:\Users\Admin\Documents\CALCJFECITDQHIPN.exe"C:\Users\Admin\Documents\CALCJFECITDQHIPN.exe" C:\Users\Admin\Documents\NPIHQDTICEFJCLAC2⤵
- Executes dropped EXE
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
-
-
C:\Windows\System32\WScript.exe"C:\Windows\System32\WScript.exe" "C:\Users\Admin\Documents\NPIHQDTICEFJCLAC.vbs"1⤵
- Executes a VBScript file via the Windows Script Host.
- Modifies registry class
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\Documents\CALCJFECITDQHIPN.exe"C:\Users\Admin\Documents\CALCJFECITDQHIPN.exe" "C:\Users\Admin\Documents\NPIHQDTICEFJCLAC"2⤵
- Executes dropped EXE
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
-
-
C:\Windows\system32\svchost.exeC:\Windows\system32\svchost.exe -k GPSvcGroup1⤵
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
CALCJFECITDQHIPN.exe
CALCJFECITDQHIPN.mui
NPIHQDTICEFJCLAC
NPIHQDTICEFJCLAC.vbs
memory/1268-66-0x000000007FE90000-0x000000007FEA0000-memory.dmp
memory/1268-52-0x000000007FE90000-0x000000007FEA0000-memory.dmp
memory/1268-71-0x000000007FE90000-0x000000007FEA0000-memory.dmp
memory/1268-72-0x000000007FE90000-0x000000007FEA0000-memory.dmp
memory/1268-76-0x000000007FE90000-0x000000007FEA0000-memory.dmp
memory/1268-74-0x000000007FE90000-0x000000007FEA0000-memory.dmp
memory/1268-69-0x000000007FE90000-0x000000007FEA0000-memory.dmp
memory/1268-73-0x000000007FE90000-0x000000007FEA0000-memory.dmp
memory/1268-75-0x000000007FE90000-0x000000007FEA0000-memory.dmp
memory/1268-65-0x000000007FE90000-0x000000007FEA0000-memory.dmp
memory/1268-67-0x000000007FE90000-0x000000007FEA0000-memory.dmp
memory/1268-68-0x000000007FE90000-0x000000007FEA0000-memory.dmp
memory/1268-80-0x0000000000400000-0x0000000000482000-memory.dmp
memory/1268-86-0x0000000000400000-0x0000000000482000-memory.dmp
memory/1268-64-0x000000007FE90000-0x000000007FEA0000-memory.dmp
memory/1268-70-0x000000007FE90000-0x000000007FEA0000-memory.dmp
memory/1268-56-0x000000007FE90000-0x000000007FEA0000-memory.dmp
memory/1268-61-0x000000007FE90000-0x000000007FEA0000-memory.dmp
memory/1268-63-0x000000007FE90000-0x000000007FEA0000-memory.dmp
memory/1268-58-0x000000007FE90000-0x000000007FEA0000-memory.dmp
memory/1268-59-0x000000007FE90000-0x000000007FEA0000-memory.dmp
memory/1268-62-0x000000007FE90000-0x000000007FEA0000-memory.dmp
memory/1268-60-0x000000007FE90000-0x000000007FEA0000-memory.dmp
memory/1268-57-0x000000007FE90000-0x000000007FEA0000-memory.dmp
memory/1268-53-0x000000007FE90000-0x000000007FEA0000-memory.dmp
memory/1268-55-0x000000007FE90000-0x000000007FEA0000-memory.dmp
memory/1268-54-0x000000007FE90000-0x000000007FEA0000-memory.dmp
memory/1268-49-0x000000007FE90000-0x000000007FEA0000-memory.dmp
memory/1268-50-0x000000007FE90000-0x000000007FEA0000-memory.dmp
memory/3500-25-0x000000007FE90000-0x000000007FEA0000-memory.dmp
memory/3500-26-0x000000007FE90000-0x000000007FEA0000-memory.dmp
memory/3500-44-0x0000000002E00000-0x0000000002E46000-memory.dmp
memory/3500-27-0x000000007FE90000-0x000000007FEA0000-memory.dmp
memory/3500-29-0x000000007FE90000-0x000000007FEA0000-memory.dmp
memory/3500-51-0x0000000002E00000-0x0000000002E46000-memory.dmp
memory/3500-30-0x000000007FE90000-0x000000007FEA0000-memory.dmp
memory/3500-31-0x000000007FE90000-0x000000007FEA0000-memory.dmp
memory/3500-33-0x000000007FE90000-0x000000007FEA0000-memory.dmp
memory/3500-34-0x000000007FE90000-0x000000007FEA0000-memory.dmp
memory/3500-35-0x000000007FE90000-0x000000007FEA0000-memory.dmp
memory/3500-36-0x000000007FE90000-0x000000007FEA0000-memory.dmp
memory/3500-37-0x000000007FE90000-0x000000007FEA0000-memory.dmp
memory/3500-38-0x000000007FE90000-0x000000007FEA0000-memory.dmp
memory/3500-43-0x0000000002AA0000-0x0000000002AE6000-memory.dmp
memory/3500-41-0x000000007FE90000-0x000000007FEA0000-memory.dmp
memory/3500-39-0x000000007FE90000-0x000000007FEA0000-memory.dmp
memory/3500-40-0x000000007FE90000-0x000000007FEA0000-memory.dmp
memory/3500-32-0x000000007FE90000-0x000000007FEA0000-memory.dmp
memory/3500-45-0x0000000003BB0000-0x0000000003F24000-memory.dmp
memory/3500-28-0x000000007FE90000-0x000000007FEA0000-memory.dmp
memory/3500-24-0x000000007FE90000-0x000000007FEA0000-memory.dmp
memory/3500-14-0x000000007FE90000-0x000000007FEA0000-memory.dmp
memory/3500-23-0x000000007FE90000-0x000000007FEA0000-memory.dmp
memory/3500-17-0x000000007FE90000-0x000000007FEA0000-memory.dmp
memory/3500-18-0x000000007FE90000-0x000000007FEA0000-memory.dmp
memory/3500-19-0x000000007FE90000-0x000000007FEA0000-memory.dmp
memory/3500-20-0x000000007FE90000-0x000000007FEA0000-memory.dmp
memory/3500-22-0x000000007FE90000-0x000000007FEA0000-memory.dmp
memory/3500-21-0x000000007FE90000-0x000000007FEA0000-memory.dmp
memory/3500-13-0x000000007FE90000-0x000000007FEA0000-memory.dmp
memory/3500-78-0x0000000002E00000-0x0000000002E46000-memory.dmp
memory/3500-79-0x0000000000400000-0x0000000000482000-memory.dmp
memory/3500-12-0x000000007FE90000-0x000000007FEA0000-memory.dmp
memory/3500-90-0x0000000002E00000-0x0000000002E46000-memory.dmp
memory/3500-89-0x0000000000400000-0x0000000000482000-memory.dmp
memory/4920-10-0x000001A8FA090000-0x000001A8FA4AE000-memory.dmp