Analysis
- max time kernel
148s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260710-en - resource tags
- submitted
10/09/2026, 11:19
General
- Target 540d2e577848b2f18d2037e51ccd1beea6d974e0fb6bcc545a45573a5c0e790d.exe
- Size 1019KB
- Sample260910-ne1vpawsbs
- SHA256 540d2e577848b2f18d2037e51ccd1beea6d974e0fb6bcc545a45573a5c0e790d
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
- Program crash 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 3 IoCs
- Suspicious use of AdjustPrivilegeToken 1 IoCs
- Suspicious use of WriteProcessMemory 3 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\540d2e577848b2f18d2037e51ccd1beea6d974e0fb6bcc545a45573a5c0e790d.exe"C:\Users\Admin\AppData\Local\Temp\540d2e577848b2f18d2037e51ccd1beea6d974e0fb6bcc545a45573a5c0e790d.exe"1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Temp\540d2e577848b2f18d2037e51ccd1beea6d974e0fb6bcc545a45573a5c0e790d.exe"C:\Users\Admin\AppData\Local\Temp\540d2e577848b2f18d2037e51ccd1beea6d974e0fb6bcc545a45573a5c0e790d.exe"2⤵
- Suspicious behavior: EnumeratesProcesses
-
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 3256 -s 1563⤵
- Program crash
-
-
-
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 444 -p 3256 -ip 32561⤵
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
memory/3256-11-0x0000000000400000-0x0000000000446000-memory.dmp
memory/3256-15-0x0000000000F00000-0x0000000000F46000-memory.dmp
memory/3256-14-0x0000000001560000-0x00000000018D4000-memory.dmp
memory/3256-12-0x0000000000F00000-0x0000000000F46000-memory.dmp
memory/5900-4-0x00000000052E0000-0x00000000052EA000-memory.dmp
memory/5900-5-0x0000000074470000-0x0000000074C2C000-memory.dmp
memory/5900-6-0x00000000054C0000-0x00000000054D4000-memory.dmp
memory/5900-7-0x0000000074482000-0x0000000074483000-memory.dmp
memory/5900-8-0x0000000074470000-0x0000000074C2C000-memory.dmp
memory/5900-9-0x0000000007CB0000-0x0000000007D4C000-memory.dmp
memory/5900-10-0x0000000007D50000-0x0000000007E36000-memory.dmp
memory/5900-0-0x0000000074482000-0x0000000074483000-memory.dmp
memory/5900-3-0x0000000005370000-0x0000000005402000-memory.dmp
memory/5900-13-0x0000000074470000-0x0000000074C2C000-memory.dmp
memory/5900-2-0x0000000005890000-0x0000000005E4A000-memory.dmp
memory/5900-1-0x0000000000800000-0x0000000000906000-memory.dmp