Analysis
- max time kernel
149s - max time network
149s - platform
windows10-2004_x64 - resource
win10v2004-20260130-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.
- Script User-Agent 1 IoCs
Uses user-agent string associated with script host/environment.
- 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-IJ1QKX98SE.tmp\office-timeline-13.25.1-installer_kU2b-R1.tmp"C:\Users\Admin\AppData\Local\Temp\is-IJ1QKX98SE.tmp\office-timeline-13.25.1-installer_kU2b-R1.tmp" /SL5="$601C4,4171849,960512,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
office-timeline-13.25.1-installer_kU2b-R1.tmp
Opera_new.png
WebAdvisor.png
mainlogo
memory/1468-8-0x00000000006B0000-0x0000000000B03000-memory.dmp
memory/1468-42-0x0000000005750000-0x0000000005890000-memory.dmp
memory/1468-15-0x00000000006B0000-0x0000000000B03000-memory.dmp
memory/1468-9-0x0000000003220000-0x0000000003221000-memory.dmp
memory/1468-33-0x0000000005750000-0x0000000005890000-memory.dmp
memory/1468-34-0x0000000005750000-0x0000000005890000-memory.dmp
memory/1468-36-0x00000000006B0000-0x0000000000B03000-memory.dmp
memory/1468-58-0x00000000006B0000-0x0000000000B03000-memory.dmp
memory/1468-41-0x0000000005750000-0x0000000005890000-memory.dmp
memory/1468-54-0x00000000006B0000-0x0000000000B03000-memory.dmp
memory/1468-43-0x0000000005750000-0x0000000005890000-memory.dmp
memory/1468-5-0x0000000003220000-0x0000000003221000-memory.dmp
memory/1468-47-0x0000000005750000-0x0000000005890000-memory.dmp
memory/1468-48-0x0000000005750000-0x0000000005890000-memory.dmp
memory/1468-51-0x0000000005750000-0x0000000005890000-memory.dmp
memory/1468-50-0x00000000006B0000-0x0000000000B03000-memory.dmp
memory/1468-52-0x0000000005750000-0x0000000005890000-memory.dmp
memory/4048-0-0x0000000000180000-0x0000000000279000-memory.dmp
memory/4048-7-0x0000000000180000-0x0000000000279000-memory.dmp