Analysis
- max time kernel
148s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260911-en - resource tags
- submitted
30/09/2026, 04:37
General
- Target invoice_30_09_26pdf.exe
- Size 905KB
- Sample260930-e818wasxes
- SHA256 fd9ed11f3b7d5a684e86ae9c4bc8525229f6b7702793fe709893f9e1c72522ec
Malware Config
Signatures
- Family: Formbook
Formbook is a data stealing malware which is capable of stealing data.
- Formbook payload 1 IoCs
- SmartAssembly .NET packer 1 IoCs
Detects SmartAssembly .NET packer.
- Suspicious use of SetThreadContext 1 IoCs
- System Location Discovery: System Language Discovery 1 TTPs 1 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
- Suspicious behavior: EnumeratesProcesses 7 IoCs
- Suspicious use of WriteProcessMemory 3 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\invoice_30_09_26pdf.exe"C:\Users\Admin\AppData\Local\Temp\invoice_30_09_26pdf.exe"1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Temp\invoice_30_09_26pdf.exe"C:\Users\Admin\AppData\Local\Temp\invoice_30_09_26pdf.exe"2⤵
- Suspicious behavior: EnumeratesProcesses
-
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
memory/924-13-0x0000000000400000-0x0000000000446000-memory.dmp
memory/924-18-0x0000000001280000-0x00000000012C6000-memory.dmp
memory/924-17-0x0000000001280000-0x00000000012C6000-memory.dmp
memory/924-16-0x0000000001660000-0x00000000019D4000-memory.dmp
memory/924-14-0x0000000001280000-0x00000000012C6000-memory.dmp
memory/3168-8-0x00000000744C0000-0x0000000074C7C000-memory.dmp
memory/3168-12-0x0000000008AD0000-0x0000000008F9C000-memory.dmp
memory/3168-7-0x00000000744D2000-0x00000000744D3000-memory.dmp
memory/3168-0-0x00000000744D2000-0x00000000744D3000-memory.dmp
memory/3168-9-0x0000000007FD0000-0x000000000806C000-memory.dmp
memory/3168-10-0x0000000007F30000-0x0000000007FBA000-memory.dmp
memory/3168-11-0x00000000085A0000-0x0000000008ACC000-memory.dmp
memory/3168-6-0x0000000005A20000-0x0000000005A36000-memory.dmp
memory/3168-5-0x00000000744C0000-0x0000000074C7C000-memory.dmp
memory/3168-4-0x0000000005620000-0x000000000562A000-memory.dmp
memory/3168-15-0x00000000744C0000-0x0000000074C7C000-memory.dmp
memory/3168-3-0x0000000005710000-0x00000000057A2000-memory.dmp
memory/3168-2-0x0000000005CD0000-0x000000000628A000-memory.dmp
memory/3168-1-0x0000000000B60000-0x0000000000C46000-memory.dmp