Analysis
- max time kernel
149s - max time network
149s - platform
windows10-2004_x64 - resource
win10v2004-20260513-en - resource tags
- submitted
10/09/2026, 11:15
General
- Target 1b77d3f9e71c57cd5a3bf17f9fa4fbb051d1571d63c3223e3201f82ef7be9b14.exe
- Size 972KB
- Sample260910-ncv7esscma
- SHA256 1b77d3f9e71c57cd5a3bf17f9fa4fbb051d1571d63c3223e3201f82ef7be9b14
Malware Config
Signatures
- Family: Formbook
Formbook is a data stealing malware which is capable of stealing data.
- Formbook payload 2 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\1b77d3f9e71c57cd5a3bf17f9fa4fbb051d1571d63c3223e3201f82ef7be9b14.exe"C:\Users\Admin\AppData\Local\Temp\1b77d3f9e71c57cd5a3bf17f9fa4fbb051d1571d63c3223e3201f82ef7be9b14.exe"1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Temp\1b77d3f9e71c57cd5a3bf17f9fa4fbb051d1571d63c3223e3201f82ef7be9b14.exe"C:\Users\Admin\AppData\Local\Temp\1b77d3f9e71c57cd5a3bf17f9fa4fbb051d1571d63c3223e3201f82ef7be9b14.exe"2⤵
- Suspicious behavior: EnumeratesProcesses
-
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 3136 -s 1843⤵
- Program crash
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 3136 -ip 31361⤵
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
memory/3136-9-0x0000000000400000-0x0000000000446000-memory.dmp
memory/3136-13-0x00000000011C0000-0x0000000001206000-memory.dmp
memory/3136-12-0x0000000001570000-0x00000000018BA000-memory.dmp
memory/3136-11-0x00000000011C0000-0x0000000001206000-memory.dmp
memory/3320-3-0x00000000050E0000-0x00000000050F0000-memory.dmp
memory/3320-5-0x00000000050F0000-0x000000000518C000-memory.dmp
memory/3320-6-0x00000000050C0000-0x00000000050D2000-memory.dmp
memory/3320-7-0x00000000050E0000-0x00000000050F0000-memory.dmp
memory/3320-8-0x0000000006110000-0x00000000061F6000-memory.dmp
memory/3320-4-0x0000000004E40000-0x0000000004E4A000-memory.dmp
memory/3320-0-0x0000000000480000-0x000000000057A000-memory.dmp
memory/3320-2-0x0000000004EB0000-0x0000000004F42000-memory.dmp
memory/3320-1-0x0000000005460000-0x0000000005A04000-memory.dmp