Analysis
- max time kernel
149s - max time network
137s - platform
windows10-2004_x64 - resource
win10v2004-20260911-en - resource tags
- submitted
08/10/2026, 09:37
General
- Target 103_ETT1773214587633.JS.js
- Size 3.7MB
- Sample261008-llpd5avthx
- SHA256 a6b6bc072f1f38a5124736628219ac334e4c98b2d798ee8fb562d21b36c3411e
Malware Config
Signatures
- Family: Formbook
Formbook is a data stealing malware which is capable of stealing data.
- Formbook payload 2 IoCs
- Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
- Executes dropped EXE 1 IoCs
- Command and Scripting Interpreter: JavaScript 1 TTPs
- Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
- Suspicious behavior: EnumeratesProcesses 7 IoCs
- Suspicious use of WriteProcessMemory 1 IoCs
Processes
-
C:\Windows\system32\wscript.exewscript.exe C:\Users\Admin\AppData\Local\Temp\103_ETT1773214587633.JS.js1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\Documents\MRQIQVKJHYDBCVKY.exe"C:\Users\Admin\Documents\MRQIQVKJHYDBCVKY.exe" C:\Users\Admin\Documents\YKVCBDYHJKVQIQRM2⤵
- Executes dropped EXE
- Suspicious behavior: EnumeratesProcesses
-
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
MRQIQVKJHYDBCVKY.exe
YKVCBDYHJKVQIQRM
memory/4564-10-0x000000007FE40000-0x000000007FE50000-memory.dmp
memory/4564-11-0x000000007FE40000-0x000000007FE50000-memory.dmp
memory/4564-17-0x000000007FE40000-0x000000007FE50000-memory.dmp
memory/4564-16-0x000000007FE40000-0x000000007FE50000-memory.dmp
memory/4564-15-0x000000007FE40000-0x000000007FE50000-memory.dmp
memory/4564-14-0x000000007FE40000-0x000000007FE50000-memory.dmp
memory/4564-13-0x000000007FE40000-0x000000007FE50000-memory.dmp
memory/4564-12-0x000000007FE40000-0x000000007FE50000-memory.dmp
memory/4564-19-0x000000007FE40000-0x000000007FE50000-memory.dmp
memory/4564-21-0x000000007FE40000-0x000000007FE50000-memory.dmp
memory/4564-18-0x000000007FE40000-0x000000007FE50000-memory.dmp
memory/4564-20-0x000000007FE40000-0x000000007FE50000-memory.dmp
memory/4564-26-0x000000007FE40000-0x000000007FE50000-memory.dmp
memory/4564-27-0x000000007FE40000-0x000000007FE50000-memory.dmp
memory/4564-33-0x000000007FE40000-0x000000007FE50000-memory.dmp
memory/4564-34-0x000000007FE40000-0x000000007FE50000-memory.dmp
memory/4564-35-0x0000000000980000-0x00000000009C6000-memory.dmp
memory/4564-32-0x000000007FE40000-0x000000007FE50000-memory.dmp
memory/4564-36-0x0000000002D10000-0x0000000002D56000-memory.dmp
memory/4564-31-0x000000007FE40000-0x000000007FE50000-memory.dmp
memory/4564-30-0x000000007FE40000-0x000000007FE50000-memory.dmp
memory/4564-29-0x000000007FE40000-0x000000007FE50000-memory.dmp
memory/4564-28-0x000000007FE40000-0x000000007FE50000-memory.dmp
memory/4564-25-0x000000007FE40000-0x000000007FE50000-memory.dmp
memory/4564-24-0x000000007FE40000-0x000000007FE50000-memory.dmp
memory/4564-23-0x000000007FE40000-0x000000007FE50000-memory.dmp
memory/4564-22-0x000000007FE40000-0x000000007FE50000-memory.dmp
memory/4564-37-0x0000000003A90000-0x0000000003DDA000-memory.dmp
memory/4564-38-0x0000000002D10000-0x0000000002D56000-memory.dmp
memory/4564-39-0x0000000000400000-0x0000000000482000-memory.dmp
memory/4564-43-0x0000000000400000-0x0000000000482000-memory.dmp
memory/4564-44-0x0000000002D10000-0x0000000002D56000-memory.dmp