Analysis
- user interaction
yes - max time kernel
148s - max time network
145s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260709-en - resource tags
- submitted
23/08/2026, 08:26
General
- Target Isaeva Executor.exe
- Size 2.0MB
- Sample260823-kcdetsvdjd
- SHA256 bde1bc98d2bf20a65b5ebd014e810613357347f25ba2319a79e1a6e6f5231dc3
Malware Config
Signatures
- Executes dropped EXE 1 IoCs
- Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
- Drops file in Program Files directory 3 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. 3 IoCs
Inno Setup installer
- Suspicious use of FindShellTrayWindow 1 IoCs
- Suspicious use of WriteProcessMemory 1 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\Isaeva Executor.exe"C:\Users\Admin\AppData\Local\Temp\Isaeva Executor.exe"1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Temp\is-5MUDLNZ1LB.tmp\Isaeva Executor.tmp"C:\Users\Admin\AppData\Local\Temp\is-5MUDLNZ1LB.tmp\Isaeva Executor.tmp" /SL5="$401D8,890880,890880,C:\Users\Admin\AppData\Local\Temp\Isaeva Executor.exe"2⤵
- Executes dropped EXE
- Drops file in Program Files directory
- System Location Discovery: System Language Discovery
- Suspicious use of FindShellTrayWindow
-
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
Isaeva Executor.tmp
memory/2812-0-0x0000000000AD0000-0x0000000000BB9000-memory.dmp
memory/2812-28-0x0000000000AD0000-0x0000000000BB9000-memory.dmp
memory/2812-7-0x0000000000AD0000-0x0000000000BB9000-memory.dmp
memory/5308-11-0x0000000000DD0000-0x0000000001222000-memory.dmp
memory/5308-8-0x0000000000DD0000-0x0000000001222000-memory.dmp
memory/5308-9-0x0000000001430000-0x0000000001431000-memory.dmp
memory/5308-13-0x0000000000DD0000-0x0000000001222000-memory.dmp
memory/5308-15-0x0000000000DD0000-0x0000000001222000-memory.dmp
memory/5308-17-0x0000000000DD0000-0x0000000001222000-memory.dmp
memory/5308-19-0x0000000000DD0000-0x0000000001222000-memory.dmp
memory/5308-27-0x0000000000DD0000-0x0000000001222000-memory.dmp
memory/5308-6-0x0000000001430000-0x0000000001431000-memory.dmp