Analysis
- max time kernel
40s - max time network
23s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260709-en - resource tags
- submitted
24/08/2026, 08:44
General
- Target 4878f4605acdf2ba1cd57072d13d1b19712e914799df5132f5397a550dca3427.exe
- Size 1.1MB
- Sample260824-knfpbszycs
- SHA256 4878f4605acdf2ba1cd57072d13d1b19712e914799df5132f5397a550dca3427
Malware Config
Signatures
- Family: Formbook
Formbook is a data stealing malware which is capable of stealing data.
- Formbook payload 1 IoCs
- 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\4878f4605acdf2ba1cd57072d13d1b19712e914799df5132f5397a550dca3427.exe"C:\Users\Admin\AppData\Local\Temp\4878f4605acdf2ba1cd57072d13d1b19712e914799df5132f5397a550dca3427.exe"1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Temp\4878f4605acdf2ba1cd57072d13d1b19712e914799df5132f5397a550dca3427.exe"C:\Users\Admin\AppData\Local\Temp\4878f4605acdf2ba1cd57072d13d1b19712e914799df5132f5397a550dca3427.exe"2⤵
- Suspicious behavior: EnumeratesProcesses
-
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 5376 -s 2283⤵
- Program crash
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 392 -p 5376 -ip 53761⤵
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
memory/1532-8-0x0000000006F70000-0x00000000072CB000-memory.dmp
memory/1532-10-0x0000000074F62000-0x0000000074F63000-memory.dmp
memory/1532-2-0x0000000005FB0000-0x000000000656A000-memory.dmp
memory/1532-3-0x0000000005A90000-0x0000000005B22000-memory.dmp
memory/1532-4-0x0000000005A40000-0x0000000005A4A000-memory.dmp
memory/1532-5-0x0000000005BD0000-0x0000000005C6C000-memory.dmp
memory/1532-6-0x0000000074F50000-0x000000007570C000-memory.dmp
memory/1532-7-0x0000000005D10000-0x0000000005D32000-memory.dmp
memory/1532-1-0x0000000000DF0000-0x0000000000F12000-memory.dmp
memory/1532-0-0x0000000074F62000-0x0000000074F63000-memory.dmp
memory/1532-9-0x0000000005ED0000-0x0000000005EF2000-memory.dmp
memory/1532-11-0x0000000074F50000-0x000000007570C000-memory.dmp
memory/1532-12-0x0000000007780000-0x0000000007868000-memory.dmp
memory/1532-15-0x0000000074F50000-0x000000007570C000-memory.dmp
memory/5376-14-0x00000000014A0000-0x00000000014E6000-memory.dmp
memory/5376-13-0x0000000000400000-0x0000000000446000-memory.dmp
memory/5376-16-0x0000000001880000-0x0000000001BF4000-memory.dmp
memory/5376-17-0x00000000014A0000-0x00000000014E6000-memory.dmp