Analysis
- max time kernel
149s - max time network
149s - platform
windows11-21h2_x64 - resource
win11-20260513-en - resource tags
- submitted
11/06/2026, 02:54
General
- Target MASTER_CTM_BREAKDOWN.exe
- Size 1.1MB
- Sample260611-dd39baas8r
- SHA256 919b5cd185f5a5ccd07c619fea2bd66e753c01bb504760a6b01e4d4c04fa4181
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
- 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 7 IoCs
- Suspicious use of WriteProcessMemory 3 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\MASTER_CTM_BREAKDOWN.exe"C:\Users\Admin\AppData\Local\Temp\MASTER_CTM_BREAKDOWN.exe"1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Temp\MASTER_CTM_BREAKDOWN.exe"C:\Users\Admin\AppData\Local\Temp\MASTER_CTM_BREAKDOWN.exe"2⤵
- Suspicious behavior: EnumeratesProcesses
-
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
memory/956-0-0x0000000000FE0000-0x00000000010FA000-memory.dmp
memory/956-1-0x0000000006080000-0x0000000006626000-memory.dmp
memory/956-2-0x0000000005BB0000-0x0000000005C42000-memory.dmp
memory/956-3-0x0000000005E10000-0x0000000005E20000-memory.dmp
memory/956-4-0x0000000005D40000-0x0000000005D4A000-memory.dmp
memory/956-5-0x0000000009090000-0x00000000090B0000-memory.dmp
memory/956-6-0x00000000090B0000-0x0000000009407000-memory.dmp
memory/956-7-0x0000000005E10000-0x0000000005E20000-memory.dmp
memory/956-8-0x00000000098D0000-0x00000000099B2000-memory.dmp
memory/956-9-0x0000000009A50000-0x0000000009AEC000-memory.dmp
memory/956-10-0x0000000005E10000-0x0000000005E20000-memory.dmp
memory/1396-11-0x0000000000400000-0x0000000000446000-memory.dmp
memory/1396-12-0x0000000001040000-0x0000000001086000-memory.dmp
memory/1396-14-0x0000000001580000-0x00000000018D6000-memory.dmp
memory/1396-15-0x0000000001040000-0x0000000001086000-memory.dmp
memory/1396-16-0x0000000001040000-0x0000000001086000-memory.dmp