Analysis
- max time kernel
104s - max time network
105s - platform
windows11-21h2_x64 - resource
win11-20250619-en - resource tags
- submitted
09/07/2025, 07:56
General
- Target Halkbank.pdf.exe
- Size 1.0MB
- Sample250709-jsrfyswmx2
- SHA256 b558f2c30ac041288f779e4a788a4744d420802e25ea6fd21104352d0e2de29f
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 6 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\Halkbank.pdf.exe"C:\Users\Admin\AppData\Local\Temp\Halkbank.pdf.exe"1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Temp\Halkbank.pdf.exe"C:\Users\Admin\AppData\Local\Temp\Halkbank.pdf.exe"2⤵
- Suspicious behavior: EnumeratesProcesses
-
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
memory/908-0-0x00000000000F0000-0x00000000001FA000-memory.dmp
memory/908-1-0x0000000005200000-0x00000000057A6000-memory.dmp
memory/908-2-0x0000000004CF0000-0x0000000004D82000-memory.dmp
memory/908-3-0x0000000004CE0000-0x0000000004CF0000-memory.dmp
memory/908-4-0x0000000004CB0000-0x0000000004CBA000-memory.dmp
memory/908-5-0x0000000004F20000-0x0000000004FBC000-memory.dmp
memory/908-6-0x0000000005070000-0x0000000005084000-memory.dmp
memory/908-7-0x0000000004CE0000-0x0000000004CF0000-memory.dmp
memory/908-8-0x00000000064B0000-0x0000000006542000-memory.dmp
memory/2012-9-0x0000000000400000-0x0000000000448000-memory.dmp
memory/2012-11-0x0000000000400000-0x0000000000448000-memory.dmp
memory/2012-12-0x00000000010C0000-0x0000000001416000-memory.dmp
memory/2012-13-0x0000000000400000-0x0000000000448000-memory.dmp