Analysis
- max time kernel
148s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260709-en - resource tags
- submitted
10/08/2026, 08:28
General
- Target proformainvoice396397740000.pdf.exe
- Size 981KB
- Sample260810-kdaqbsvckb
- SHA256 bbb3837bc8706b87668877a86fcda6a69ace99739e19caa744bef624570a7c0a
Malware Config
Signatures
- Family: Formbook
Formbook is a data stealing malware which is capable of stealing data.
- Formbook payload 2 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\proformainvoice396397740000.pdf.exe"C:\Users\Admin\AppData\Local\Temp\proformainvoice396397740000.pdf.exe"1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Temp\proformainvoice396397740000.pdf.exe"C:\Users\Admin\AppData\Local\Temp\proformainvoice396397740000.pdf.exe"2⤵
- Suspicious behavior: EnumeratesProcesses
-
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 4996 -s 2283⤵
- Program crash
-
-
-
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 440 -p 4996 -ip 49961⤵
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
Loading Replay Monitor...
Downloads
memory/752-8-0x00000000748A0000-0x000000007505C000-memory.dmp
memory/752-9-0x0000000007430000-0x00000000074CC000-memory.dmp
memory/752-2-0x0000000005500000-0x0000000005ABA000-memory.dmp
memory/752-3-0x0000000004F40000-0x0000000004FD2000-memory.dmp
memory/752-4-0x0000000004FE0000-0x0000000004FEA000-memory.dmp
memory/752-5-0x00000000748A0000-0x000000007505C000-memory.dmp
memory/752-1-0x0000000000330000-0x000000000042A000-memory.dmp
memory/752-6-0x0000000005150000-0x0000000005164000-memory.dmp
memory/752-0-0x00000000748B2000-0x00000000748B3000-memory.dmp
memory/752-7-0x00000000748B2000-0x00000000748B3000-memory.dmp
memory/752-10-0x00000000074D0000-0x00000000075AE000-memory.dmp
memory/752-13-0x00000000748A0000-0x000000007505C000-memory.dmp
memory/4996-12-0x0000000001060000-0x00000000010A6000-memory.dmp
memory/4996-11-0x0000000000400000-0x0000000000446000-memory.dmp
memory/4996-14-0x0000000001440000-0x00000000017B4000-memory.dmp
memory/4996-15-0x0000000001060000-0x00000000010A6000-memory.dmp