Analysis
- max time kernel
149s - max time network
93s - platform
windows11-21h2_x64 - resource
win11-20260130-en - resource tags
- submitted
05/02/2026, 07:01
General
- Target rPumpSpecificationsSheet_Drawingspdf.exe
- Size 1.1MB
- Sample260205-htd2kshv9d
- SHA256 e5f1feba5c6cd56201fd5eb64c4d9dbfae827f756ebbfeda3cb51f453d465d1b
Malware Config
Signatures
- Formbook
Formbook is a data stealing malware which is capable of stealing data.
- Formbook family
- 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 2 IoCs
- Suspicious use of WriteProcessMemory 3 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\rPumpSpecificationsSheet_Drawingspdf.exe"C:\Users\Admin\AppData\Local\Temp\rPumpSpecificationsSheet_Drawingspdf.exe"1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Temp\rPumpSpecificationsSheet_Drawingspdf.exe"C:\Users\Admin\AppData\Local\Temp\rPumpSpecificationsSheet_Drawingspdf.exe"2⤵
- Suspicious behavior: EnumeratesProcesses
-
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 2012 -s 1963⤵
- Program crash
-
-
-
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 2012 -ip 20121⤵
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
memory/2012-9-0x0000000000400000-0x0000000000446000-memory.dmp
memory/2012-13-0x0000000000400000-0x0000000000446000-memory.dmp
memory/2012-12-0x0000000001940000-0x0000000001C96000-memory.dmp
memory/2012-11-0x0000000000400000-0x0000000000446000-memory.dmp
memory/2040-3-0x0000000004ED0000-0x0000000004EE0000-memory.dmp
memory/2040-5-0x0000000005160000-0x0000000005172000-memory.dmp
memory/2040-6-0x0000000004ED0000-0x0000000004EE0000-memory.dmp
memory/2040-7-0x00000000068A0000-0x00000000069B8000-memory.dmp
memory/2040-8-0x0000000006A70000-0x0000000006B0C000-memory.dmp
memory/2040-4-0x0000000004C50000-0x0000000004C5A000-memory.dmp
memory/2040-0-0x00000000001B0000-0x00000000002DC000-memory.dmp
memory/2040-2-0x0000000004CF0000-0x0000000004D82000-memory.dmp
memory/2040-1-0x0000000005200000-0x00000000057A6000-memory.dmp