Analysis
- max time kernel
149s - max time network
149s - platform
windows11-21h2_x64 - resource
win11-20260513-en - resource tags
- submitted
01/06/2026, 08:59
General
- Target MT_Caribbean_1_Vessel_Q88_Information.bat.exe
- Size 1.1MB
- Sample260601-kxtbsafx7v
- SHA256 cf2471d843cae60503efb1db4adc57e5f64ddf67ee15ee9314b4e9caf90bc309
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 1 IoCs
- Suspicious use of WriteProcessMemory 3 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\MT_Caribbean_1_Vessel_Q88_Information.bat.exe"C:\Users\Admin\AppData\Local\Temp\MT_Caribbean_1_Vessel_Q88_Information.bat.exe"1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Temp\MT_Caribbean_1_Vessel_Q88_Information.bat.exe"C:\Users\Admin\AppData\Local\Temp\MT_Caribbean_1_Vessel_Q88_Information.bat.exe"2⤵
- Suspicious behavior: EnumeratesProcesses
-
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 2880 -s 1963⤵
- Program crash
-
-
-
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 2880 -ip 28801⤵
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
memory/2372-0-0x0000000000480000-0x000000000059E000-memory.dmp
memory/2372-1-0x00000000055C0000-0x0000000005B66000-memory.dmp
memory/2372-2-0x00000000050B0000-0x0000000005142000-memory.dmp
memory/2372-3-0x0000000005290000-0x00000000052A0000-memory.dmp
memory/2372-4-0x0000000005060000-0x000000000506A000-memory.dmp
memory/2372-5-0x0000000005340000-0x00000000053DC000-memory.dmp
memory/2372-6-0x0000000006370000-0x0000000006388000-memory.dmp
memory/2372-7-0x0000000005290000-0x00000000052A0000-memory.dmp
memory/2372-8-0x0000000006420000-0x00000000064FE000-memory.dmp
memory/2880-9-0x0000000000400000-0x0000000000446000-memory.dmp
memory/2880-11-0x0000000000CB0000-0x0000000000CF6000-memory.dmp
memory/2880-12-0x0000000001390000-0x00000000016E6000-memory.dmp
memory/2880-13-0x0000000000CB0000-0x0000000000CF6000-memory.dmp