Analysis

  • max time kernel
    150s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260709-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    13/08/2026, 17:25

General

  • Target
    a54561fa4d9687f7b5e4015c2ec16ddd33c37b252e72726c29499c1dd5441022.exe
  • Size 6.7MB
  • Sample260813-vzdn8avemc
  • SHA256 a54561fa4d9687f7b5e4015c2ec16ddd33c37b252e72726c29499c1dd5441022
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Signatures

  • Executes dropped EXE 1 IoCs
  • Executes a command shell one-liner 1 TTPs 1 IoCs

    Execution of a cmd.exe one-liner (/c "close" or /k "keep") is a common script/loader stage.

  • 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.

  • System Time Discovery 1 TTPs 2 IoCs

    Adversary may gather the system time and/or time zone settings from a local or remote system.

  • Inno Setup is an open-source installation builder for Windows applications. 2 IoCs

    Inno Setup installer

  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\a54561fa4d9687f7b5e4015c2ec16ddd33c37b252e72726c29499c1dd5441022.exe
    "C:\Users\Admin\AppData\Local\Temp\a54561fa4d9687f7b5e4015c2ec16ddd33c37b252e72726c29499c1dd5441022.exe"
    1⤵
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:1856
    • C:\Users\Admin\AppData\Local\Temp\is-56SHG.tmp\a54561fa4d9687f7b5e4015c2ec16ddd33c37b252e72726c29499c1dd5441022.tmp
      "C:\Users\Admin\AppData\Local\Temp\is-56SHG.tmp\a54561fa4d9687f7b5e4015c2ec16ddd33c37b252e72726c29499c1dd5441022.tmp" /SL5="$70212,5846162,882176,C:\Users\Admin\AppData\Local\Temp\a54561fa4d9687f7b5e4015c2ec16ddd33c37b252e72726c29499c1dd5441022.exe"
      2⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:5292
      • C:\Windows\system32\cmd.exe
        "C:\Windows\system32\cmd.exe" /C dotnet --list-runtimes > "C:\Users\Admin\AppData\Local\Temp\is-5QLPC.tmp\dotnet.txt" 2>&1
        3⤵
        • Executes a command shell one-liner
        • System Time Discovery
        • Suspicious use of WriteProcessMemory
        PID:2592
        • C:\Program Files\dotnet\dotnet.exe
          dotnet --list-runtimes
          4⤵
          • System Time Discovery
          PID:3344

Network

        MITRE ATT&CK Enterprise v16

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        a54561fa4d9687f7b5e4015c2ec16ddd33c37b252e72726c29499c1dd5441022.tmp

        • Path C:\Users\Admin\AppData\Local\Temp\is-56SHG.tmp\a54561fa4d9687f7b5e4015c2ec16ddd33c37b252e72726c29499c1dd5441022.tmp
        • Size 3.5MB
        • SHA256 dccb5f36dfbfe944e306e26d7db5b8b598eb234c495574eb22811b35ef722879
        • MD5 SHA1 SHA512 SSDEEP TLSH

        dotnet.txt

        • Path C:\Users\Admin\AppData\Local\Temp\is-5QLPC.tmp\dotnet.txt
        • Size 552B
        • SHA256 3a540187aba2047118a389c22152a488c215f21766cd75e59c187f7c414bddb1
        • MD5 SHA1 SHA512 TLSH

        memory/1856-11-0x0000000000E30000-0x0000000000F17000-memory.dmp

        memory/1856-1-0x0000000000E30000-0x0000000000F17000-memory.dmp

        memory/5292-21-0x0000000000050000-0x00000000003E0000-memory.dmp

        memory/5292-23-0x0000000000050000-0x00000000003E0000-memory.dmp

        memory/5292-12-0x0000000000050000-0x00000000003E0000-memory.dmp

        memory/5292-15-0x0000000000050000-0x00000000003E0000-memory.dmp

        memory/5292-17-0x0000000000050000-0x00000000003E0000-memory.dmp

        memory/5292-19-0x0000000000050000-0x00000000003E0000-memory.dmp

        memory/5292-6-0x0000000000AE0000-0x0000000000AE1000-memory.dmp

        memory/5292-13-0x0000000000AE0000-0x0000000000AE1000-memory.dmp

        memory/5292-25-0x0000000000050000-0x00000000003E0000-memory.dmp

        memory/5292-27-0x0000000000050000-0x00000000003E0000-memory.dmp

        memory/5292-29-0x0000000000050000-0x00000000003E0000-memory.dmp

        memory/5292-31-0x0000000000050000-0x00000000003E0000-memory.dmp

        memory/5292-33-0x0000000000050000-0x00000000003E0000-memory.dmp

        memory/5292-35-0x0000000000050000-0x00000000003E0000-memory.dmp

        memory/5292-37-0x0000000000050000-0x00000000003E0000-memory.dmp

        memory/5292-39-0x0000000000050000-0x00000000003E0000-memory.dmp