Analysis

  • user interaction
    yes
  • max time kernel
    26s
  • max time network
    24s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260709-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    11/07/2026, 03:41

General

  • Target
    users.exe
  • Size 127KB
  • Sample260711-d9aa4sa15n
  • SHA256 dfcca1448fd56680e336fcfc31db8b2bf4656f91c18258ea9c83a1bcaf74e5ae
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Extracted

Family
  • asyncrat

Version
  • 0.5.8

Botnet
  • Default

Mutex
  • xhI7skMJGGAS

Attributes
  • delay

    3

  • install

    true

  • install_file

    ima.exe

  • install_folder

    %AppData%

  • local_host

    127.0.0.1

aes.plain

Signatures

  • Family: AsyncRat

    AsyncRAT is designed to remotely monitor and control other computers written in C#.

  • Async RAT payload 1 IoCs
  • Executes dropped EXE 1 IoCs
  • System Location Discovery: System Language Discovery 1 TTPs 1 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Delays execution with timeout.exe 1 IoCs
  • Scheduled Task/Job: Scheduled Task 1 TTPs 1 IoCs

    Schtasks is often used by malware for persistence or to perform post-infection execution.

  • Suspicious use of WriteProcessMemory 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\users.exe
    "C:\Users\Admin\AppData\Local\Temp\users.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:2112
    • C:\Users\Admin\AppData\Local\Temp\29589926-eefc-4966-9657-fda7bfcf1b3e.exe
      "C:\Users\Admin\AppData\Local\Temp\29589926-eefc-4966-9657-fda7bfcf1b3e.exe"
      2⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      PID:5804
      • C:\Windows\SysWOW64\cmd.exe
        "C:\Windows\System32\cmd.exe" /c schtasks /create /f /sc onlogon /rl highest /tn "ima" /tr '"C:\Users\Admin\AppData\Roaming\ima.exe"' & exit
        3⤵
          PID:4976
          • C:\Windows\SysWOW64\schtasks.exe
            schtasks /create /f /sc onlogon /rl highest /tn "ima" /tr '"C:\Users\Admin\AppData\Roaming\ima.exe"'
            4⤵
            • Scheduled Task/Job: Scheduled Task
            PID:1940
        • C:\Windows\SysWOW64\cmd.exe
          C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\tmp92FF.tmp.bat""
          3⤵
            PID:1136
            • C:\Windows\SysWOW64\timeout.exe
              timeout 3
              4⤵
              • Delays execution with timeout.exe
              PID:3180
            • C:\Users\Admin\AppData\Roaming\ima.exe
              "C:\Users\Admin\AppData\Roaming\ima.exe"
              4⤵
                PID:5464
        • C:\Users\Admin\AppData\Roaming\ima.exe
          "C:\Users\Admin\AppData\Roaming\ima.exe"
          1⤵
            PID:3056

          Network

                MITRE ATT&CK Enterprise v16

                Replay Monitor

                Loading Replay Monitor...

                Downloads

                29589926-eefc-4966-9657-fda7bfcf1b3e.exe

                • Path C:\Users\Admin\AppData\Local\Temp\29589926-eefc-4966-9657-fda7bfcf1b3e.exe
                • Size 45KB
                • SHA256 d135b84f3ed30651c344ff39ca97c1a77da8c1977109aa5726d349e8aeb096f8
                • MD5 SHA1 SHA512 SSDEEP TLSH

                tmp92FF.tmp.bat

                • Path C:\Users\Admin\AppData\Local\Temp\tmp92FF.tmp.bat
                • Size 147B
                • SHA256 438bdea0c5c7f79e332c012aa3ec59bd86a29fb12c810f4d3cd8410918569c5d
                • MD5 SHA1 SHA512 TLSH

                memory/2112-1-0x00007FFA5A66F000-0x00007FFA5A670000-memory.dmp

                memory/2112-0-0x00000000009D0000-0x00000000009F4000-memory.dmp

                memory/2112-6-0x00007FFA5A4E0000-0x00007FFA5AE84000-memory.dmp

                memory/2112-9-0x0000000003080000-0x0000000003090000-memory.dmp

                memory/2112-17-0x00007FFA5A4E0000-0x00007FFA5AE84000-memory.dmp

                memory/5804-7-0x00000000000F0000-0x0000000000102000-memory.dmp

                memory/5804-8-0x00000000742A2000-0x00000000742A3000-memory.dmp

                memory/5804-10-0x0000000004AB0000-0x0000000004AC0000-memory.dmp

                memory/5804-11-0x0000000004B60000-0x0000000004BFC000-memory.dmp