Analysis
- max time kernel
149s - max time network
147s - platform
windows11-21h2_x64 - resource
win11-20260130-en - resource tags
- submitted
17/04/2026, 18:23
General
- Target office-timeline-13.25.1-installer_kU2b-R1.exe
- Size 5.2MB
- Sample260417-w1vjsshx51
- SHA256 d670511e494fbf974f5f82912db404b36dfacd67e3584ee0d91dd01cab71fee7
Malware Config
Signatures
- Executes dropped EXE 1 IoCs
- System Location Discovery: System Language Discovery 1 TTPs 2 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
- Inno Setup is an open-source installation builder for Windows applications. 2 IoCs
Inno Setup installer
- Checks processor information in registry 2 TTPs 2 IoCs
Processor information is often read in order to detect sandboxing environments.
- Suspicious behavior: EnumeratesProcesses 4 IoCs
- Suspicious use of FindShellTrayWindow 1 IoCs
- Suspicious use of WriteProcessMemory 1 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\office-timeline-13.25.1-installer_kU2b-R1.exe"C:\Users\Admin\AppData\Local\Temp\office-timeline-13.25.1-installer_kU2b-R1.exe"1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Temp\is-S6U68JM7LS.tmp\office-timeline-13.25.1-installer_kU2b-R1.tmp"C:\Users\Admin\AppData\Local\Temp\is-S6U68JM7LS.tmp\office-timeline-13.25.1-installer_kU2b-R1.tmp" /SL5="$5023E,4171849,960512,C:\Users\Admin\AppData\Local\Temp\office-timeline-13.25.1-installer_kU2b-R1.exe"2⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
- Checks processor information in registry
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of FindShellTrayWindow
-
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
Opera_new.png
WebAdvisor.png
mainlogo
office-timeline-13.25.1-installer_kU2b-R1.tmp
memory/2992-7-0x0000000000FE0000-0x00000000010D9000-memory.dmp
memory/2992-0-0x0000000000FE0000-0x00000000010D9000-memory.dmp
memory/3388-32-0x0000000004E70000-0x0000000004FB0000-memory.dmp
memory/3388-40-0x0000000004E70000-0x0000000004FB0000-memory.dmp
memory/3388-25-0x0000000004E70000-0x0000000004FB0000-memory.dmp
memory/3388-26-0x0000000004E70000-0x0000000004FB0000-memory.dmp
memory/3388-8-0x0000000000300000-0x0000000000753000-memory.dmp
memory/3388-31-0x0000000004E70000-0x0000000004FB0000-memory.dmp
memory/3388-9-0x0000000003210000-0x0000000003211000-memory.dmp
memory/3388-34-0x0000000000300000-0x0000000000753000-memory.dmp
memory/3388-35-0x0000000004E70000-0x0000000004FB0000-memory.dmp
memory/3388-5-0x0000000003210000-0x0000000003211000-memory.dmp
memory/3388-39-0x0000000004E70000-0x0000000004FB0000-memory.dmp
memory/3388-13-0x0000000000300000-0x0000000000753000-memory.dmp
memory/3388-41-0x0000000004E70000-0x0000000004FB0000-memory.dmp
memory/3388-43-0x0000000000300000-0x0000000000753000-memory.dmp
memory/3388-44-0x0000000004E70000-0x0000000004FB0000-memory.dmp
memory/3388-46-0x0000000000300000-0x0000000000753000-memory.dmp
memory/3388-48-0x0000000000300000-0x0000000000753000-memory.dmp
memory/3388-50-0x0000000000300000-0x0000000000753000-memory.dmp
memory/3388-54-0x0000000000300000-0x0000000000753000-memory.dmp
memory/3388-56-0x0000000000300000-0x0000000000753000-memory.dmp
memory/3388-62-0x0000000000300000-0x0000000000753000-memory.dmp