Analysis
- max time kernel
148s - max time network
148s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260709-en - resource tags
- submitted
20/07/2026, 12:23
General
- Target attest-last.exe
- Size 2.8MB
- Sample260720-pkpv2sct2w
- SHA256 447484ed235c1549542811db30fbef1f6c71f1a43719d38b2a3b1dc87737d520
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
- Suspicious use of WriteProcessMemory 1 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\attest-last.exe"C:\Users\Admin\AppData\Local\Temp\attest-last.exe"1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Temp\is-69QCU.tmp\attest-last.tmp"C:\Users\Admin\AppData\Local\Temp\is-69QCU.tmp\attest-last.tmp" /SL5="$400B0,2577590,143360,C:\Users\Admin\AppData\Local\Temp\attest-last.exe"2⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
-
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
attest-last.tmp
memory/4924-8-0x0000000000400000-0x000000000042D000-memory.dmp
memory/4924-0-0x0000000000400000-0x000000000042D000-memory.dmp
memory/5556-16-0x0000000000400000-0x0000000000532000-memory.dmp
memory/5556-20-0x0000000000400000-0x0000000000532000-memory.dmp
memory/5556-9-0x0000000000400000-0x0000000000532000-memory.dmp
memory/5556-12-0x0000000000400000-0x0000000000532000-memory.dmp
memory/5556-14-0x0000000000400000-0x0000000000532000-memory.dmp
memory/5556-6-0x0000000002450000-0x0000000002451000-memory.dmp
memory/5556-18-0x0000000000400000-0x0000000000532000-memory.dmp
memory/5556-10-0x0000000002450000-0x0000000002451000-memory.dmp
memory/5556-22-0x0000000000400000-0x0000000000532000-memory.dmp
memory/5556-24-0x0000000000400000-0x0000000000532000-memory.dmp
memory/5556-26-0x0000000000400000-0x0000000000532000-memory.dmp
memory/5556-28-0x0000000000400000-0x0000000000532000-memory.dmp
memory/5556-30-0x0000000000400000-0x0000000000532000-memory.dmp
memory/5556-32-0x0000000000400000-0x0000000000532000-memory.dmp
memory/5556-34-0x0000000000400000-0x0000000000532000-memory.dmp
memory/5556-36-0x0000000000400000-0x0000000000532000-memory.dmp