Analysis
- max time kernel
148s - max time network
129s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260911-en - resource tags
- submitted
14/10/2026, 16:13
General
- Target 939b2cbeb0710b984f94881d4d59d7a2631e307a989e2b469752af7e12c8f7bf.exe
- Size 830KB
- Sample261014-tpbansfw4t
- SHA256 939b2cbeb0710b984f94881d4d59d7a2631e307a989e2b469752af7e12c8f7bf
Malware Config
Signatures
- Family: Formbook
Formbook is a data stealing malware which is capable of stealing data.
- Formbook payload 2 IoCs
- Modifies Windows Defender DisableAntiSpyware settings 3 TTPs 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 3 IoCs
- Suspicious use of AdjustPrivilegeToken 1 IoCs
- Suspicious use of WriteProcessMemory 3 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\939b2cbeb0710b984f94881d4d59d7a2631e307a989e2b469752af7e12c8f7bf.exe"C:\Users\Admin\AppData\Local\Temp\939b2cbeb0710b984f94881d4d59d7a2631e307a989e2b469752af7e12c8f7bf.exe"1⤵
- Modifies Windows Defender DisableAntiSpyware settings
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Temp\939b2cbeb0710b984f94881d4d59d7a2631e307a989e2b469752af7e12c8f7bf.exe"C:\Users\Admin\AppData\Local\Temp\939b2cbeb0710b984f94881d4d59d7a2631e307a989e2b469752af7e12c8f7bf.exe"2⤵
- Suspicious behavior: EnumeratesProcesses
-
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 1768 -s 2283⤵
- Program crash
-
-
-
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 436 -p 1768 -ip 17681⤵
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
Loading Replay Monitor...
Downloads
memory/1768-13-0x0000000000400000-0x0000000000446000-memory.dmp
memory/1768-17-0x0000000001290000-0x00000000012D6000-memory.dmp
memory/1768-16-0x0000000001860000-0x0000000001BD4000-memory.dmp
memory/1768-14-0x0000000001290000-0x00000000012D6000-memory.dmp
memory/4496-8-0x0000000074640000-0x0000000074DFC000-memory.dmp
memory/4496-11-0x0000000007F50000-0x000000000847C000-memory.dmp
memory/4496-6-0x00000000052F0000-0x0000000005300000-memory.dmp
memory/4496-7-0x0000000074652000-0x0000000074653000-memory.dmp
memory/4496-0-0x0000000074652000-0x0000000074653000-memory.dmp
memory/4496-9-0x0000000007980000-0x0000000007A1C000-memory.dmp
memory/4496-10-0x00000000078E0000-0x000000000796A000-memory.dmp
memory/4496-5-0x00000000052C0000-0x00000000052CA000-memory.dmp
memory/4496-12-0x0000000008480000-0x000000000894C000-memory.dmp
memory/4496-4-0x0000000074640000-0x0000000074DFC000-memory.dmp
memory/4496-3-0x0000000004E50000-0x0000000004EE2000-memory.dmp
memory/4496-15-0x0000000074640000-0x0000000074DFC000-memory.dmp
memory/4496-2-0x0000000005310000-0x00000000058CA000-memory.dmp
memory/4496-1-0x00000000003A0000-0x0000000000476000-memory.dmp