Analysis
- max time kernel
149s - max time network
93s - platform
windows11-21h2_x64 - resource
win11-20251229-en - resource tags
- submitted
06/01/2026, 10:03
General
- Target ungziped_file.exe
- Size 665KB
- Sample260106-l3m8dsfk91
- SHA256 4d785c8d5b76df07f04f87f542e375b2ac96ff64f28b6282179a005d801d9c1d
Malware Config
Signatures
- Formbook
Formbook is a data stealing malware which is capable of stealing data.
- Formbook family
- Formbook payload 1 IoCs
- Suspicious use of SetThreadContext 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 14 IoCs
- Suspicious use of WriteProcessMemory 3 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\ungziped_file.exe"C:\Users\Admin\AppData\Local\Temp\ungziped_file.exe"1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Temp\ungziped_file.exe"C:\Users\Admin\AppData\Local\Temp\ungziped_file.exe"2⤵
- Suspicious behavior: EnumeratesProcesses
-
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
memory/592-0-0x0000000000650000-0x00000000006FC000-memory.dmp
memory/592-1-0x00000000056F0000-0x0000000005C96000-memory.dmp
memory/592-2-0x00000000051E0000-0x0000000005272000-memory.dmp
memory/592-3-0x0000000005160000-0x0000000005170000-memory.dmp
memory/592-4-0x00000000051C0000-0x00000000051CA000-memory.dmp
memory/592-5-0x0000000005450000-0x00000000054EC000-memory.dmp
memory/592-6-0x0000000005690000-0x00000000056A2000-memory.dmp
memory/592-7-0x0000000005160000-0x0000000005170000-memory.dmp
memory/592-8-0x0000000007FC0000-0x0000000008048000-memory.dmp
memory/3180-9-0x0000000000400000-0x0000000000445000-memory.dmp
memory/3180-11-0x0000000000400000-0x0000000000445000-memory.dmp
memory/3180-12-0x00000000014F0000-0x0000000001846000-memory.dmp
memory/3180-13-0x0000000000400000-0x0000000000445000-memory.dmp
memory/3180-14-0x0000000000400000-0x0000000000445000-memory.dmp