Analysis
- max time kernel
149s - max time network
124s - platform
windows11-21h2_x64 - resource
win11-20260911-en - resource tags
- submitted
29/10/2026, 23:05
General
- Target 81c81ed0c8aa166aeb5da40c7ebc105f6d51824b1d116d9cd548e0883b8ab92e.exe
- Size 804KB
- Sample261029-22746sty7n
- SHA256 81c81ed0c8aa166aeb5da40c7ebc105f6d51824b1d116d9cd548e0883b8ab92e
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\81c81ed0c8aa166aeb5da40c7ebc105f6d51824b1d116d9cd548e0883b8ab92e.exe"C:\Users\Admin\AppData\Local\Temp\81c81ed0c8aa166aeb5da40c7ebc105f6d51824b1d116d9cd548e0883b8ab92e.exe"1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Temp\81c81ed0c8aa166aeb5da40c7ebc105f6d51824b1d116d9cd548e0883b8ab92e.exe"C:\Users\Admin\AppData\Local\Temp\81c81ed0c8aa166aeb5da40c7ebc105f6d51824b1d116d9cd548e0883b8ab92e.exe"2⤵
- Suspicious behavior: EnumeratesProcesses
-
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 3432 -s 1963⤵
- Program crash
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-
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 3432 -ip 34321⤵
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
memory/3004-0-0x00000000002D0000-0x00000000003A0000-memory.dmp
memory/3004-1-0x0000000005360000-0x0000000005906000-memory.dmp
memory/3004-2-0x0000000004E50000-0x0000000004EE2000-memory.dmp
memory/3004-3-0x0000000005040000-0x0000000005050000-memory.dmp
memory/3004-4-0x0000000004EF0000-0x0000000004EFA000-memory.dmp
memory/3004-5-0x0000000005260000-0x0000000005276000-memory.dmp
memory/3004-6-0x0000000005040000-0x0000000005050000-memory.dmp
memory/3004-7-0x00000000064F0000-0x000000000658C000-memory.dmp
memory/3004-8-0x0000000006590000-0x000000000661A000-memory.dmp
memory/3004-9-0x0000000006F10000-0x000000000743C000-memory.dmp
memory/3004-10-0x0000000007440000-0x000000000790C000-memory.dmp
memory/3432-11-0x0000000000400000-0x0000000000446000-memory.dmp
memory/3432-13-0x0000000000C30000-0x0000000000C76000-memory.dmp
memory/3432-14-0x00000000011E0000-0x0000000001536000-memory.dmp
memory/3432-15-0x0000000000C30000-0x0000000000C76000-memory.dmp