Analysis
- max time kernel
149s - max time network
149s - platform
windows10-2004_x64 - resource
win10v2004-20260513-en - resource tags
- submitted
10/08/2026, 14:08
General
- Target 6fca0da799cc63ba982f310d9c0b5e7f4d19e5c4a48fa9abdc60bef6ee0af0c5.exe
- Size 1003KB
- Sample260810-rfkrmswsez
- SHA256 6fca0da799cc63ba982f310d9c0b5e7f4d19e5c4a48fa9abdc60bef6ee0af0c5
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\6fca0da799cc63ba982f310d9c0b5e7f4d19e5c4a48fa9abdc60bef6ee0af0c5.exe"C:\Users\Admin\AppData\Local\Temp\6fca0da799cc63ba982f310d9c0b5e7f4d19e5c4a48fa9abdc60bef6ee0af0c5.exe"1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Temp\6fca0da799cc63ba982f310d9c0b5e7f4d19e5c4a48fa9abdc60bef6ee0af0c5.exe"C:\Users\Admin\AppData\Local\Temp\6fca0da799cc63ba982f310d9c0b5e7f4d19e5c4a48fa9abdc60bef6ee0af0c5.exe"2⤵
- Suspicious behavior: EnumeratesProcesses
-
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 3328 -s 1843⤵
- Program crash
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 3328 -ip 33281⤵
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
memory/1912-0-0x00000000003B0000-0x00000000004B2000-memory.dmp
memory/1912-1-0x0000000005560000-0x0000000005B04000-memory.dmp
memory/1912-2-0x0000000004EA0000-0x0000000004F32000-memory.dmp
memory/1912-3-0x0000000005100000-0x0000000005110000-memory.dmp
memory/1912-4-0x0000000004E90000-0x0000000004E9A000-memory.dmp
memory/1912-5-0x00000000053D0000-0x00000000053E6000-memory.dmp
memory/1912-6-0x0000000005100000-0x0000000005110000-memory.dmp
memory/1912-7-0x0000000006210000-0x00000000062F4000-memory.dmp
memory/1912-8-0x0000000006390000-0x000000000642C000-memory.dmp
memory/3328-9-0x0000000000400000-0x0000000000447000-memory.dmp
memory/3328-11-0x0000000000BB0000-0x0000000000BF7000-memory.dmp
memory/3328-12-0x0000000001210000-0x000000000155A000-memory.dmp
memory/3328-13-0x0000000000BB0000-0x0000000000BF7000-memory.dmp