Analysis
- max time kernel
148s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260709-en - resource tags
- submitted
10/08/2026, 14:19
General
- Target b5ec2bbf0faff9ac7cf5d88dde412fde80300322dcaf1d8555be0413b112b4bf.exe
- Size 991KB
- Sample260810-rnbtpswth1
- SHA256 b5ec2bbf0faff9ac7cf5d88dde412fde80300322dcaf1d8555be0413b112b4bf
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\b5ec2bbf0faff9ac7cf5d88dde412fde80300322dcaf1d8555be0413b112b4bf.exe"C:\Users\Admin\AppData\Local\Temp\b5ec2bbf0faff9ac7cf5d88dde412fde80300322dcaf1d8555be0413b112b4bf.exe"1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Temp\b5ec2bbf0faff9ac7cf5d88dde412fde80300322dcaf1d8555be0413b112b4bf.exe"C:\Users\Admin\AppData\Local\Temp\b5ec2bbf0faff9ac7cf5d88dde412fde80300322dcaf1d8555be0413b112b4bf.exe"2⤵
- Suspicious behavior: EnumeratesProcesses
-
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 2996 -s 2283⤵
- Program crash
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-
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 436 -p 2996 -ip 29961⤵
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
memory/2996-11-0x0000000000400000-0x0000000000446000-memory.dmp
memory/2996-15-0x0000000001600000-0x0000000001646000-memory.dmp
memory/2996-14-0x00000000019F0000-0x0000000001D64000-memory.dmp
memory/2996-12-0x0000000001600000-0x0000000001646000-memory.dmp
memory/4896-4-0x0000000074800000-0x0000000074FBC000-memory.dmp
memory/4896-5-0x0000000004F70000-0x0000000004F7A000-memory.dmp
memory/4896-6-0x00000000055C0000-0x00000000055D4000-memory.dmp
memory/4896-7-0x0000000074812000-0x0000000074813000-memory.dmp
memory/4896-8-0x0000000074800000-0x0000000074FBC000-memory.dmp
memory/4896-9-0x0000000006E10000-0x0000000006EAC000-memory.dmp
memory/4896-10-0x0000000006EC0000-0x0000000006FA2000-memory.dmp
memory/4896-0-0x0000000074812000-0x0000000074813000-memory.dmp
memory/4896-3-0x0000000005040000-0x00000000050D2000-memory.dmp
memory/4896-13-0x0000000074800000-0x0000000074FBC000-memory.dmp
memory/4896-2-0x0000000005600000-0x0000000005BBA000-memory.dmp
memory/4896-1-0x00000000004A0000-0x000000000059E000-memory.dmp