Analysis

  • max time kernel
    149s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260911-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260911-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    30/09/2026, 03:34

General

  • Target
    90357d3589194c61cedfe186d107db39bebcf60a2729d505884af182e80956b0.exe
  • Size 367KB
  • Sample260930-d4ryzay1fs
  • SHA256 90357d3589194c61cedfe186d107db39bebcf60a2729d505884af182e80956b0
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
7/10

Malware Config

Signatures

  • Executes dropped EXE 2 IoCs
  • Enumerates connected drives 3 TTPs 22 IoCs

    Attempts to read the root path of hard drives other than the default C: drive.

  • Drops file in Program Files directory 64 IoCs
  • Drops file in Windows directory 4 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.

  • Reads the TCP/IP host and domain name from the registry 1 TTPs 2 IoCs

    The configured hostname and DNS domain identify the machine and are commonly collected to profile a host before it reports in.

  • System Location Discovery: System Language Discovery 1 TTPs 6 IoCs

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

  • Runs net.exe
  • Suspicious behavior: EnumeratesProcesses 20 IoCs
  • Suspicious use of WriteProcessMemory 5 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\90357d3589194c61cedfe186d107db39bebcf60a2729d505884af182e80956b0.exe
    "C:\Users\Admin\AppData\Local\Temp\90357d3589194c61cedfe186d107db39bebcf60a2729d505884af182e80956b0.exe"
    1⤵
    • Drops file in Windows directory
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:5836
    • C:\Windows\SysWOW64\cmd.exe
      C:\Windows\system32\cmd.exe /c C:\Users\Admin\AppData\Local\Temp\$$a2DFC.bat
      2⤵
      • Executes a command shell one-liner
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:4160
      • C:\Users\Admin\AppData\Local\Temp\90357d3589194c61cedfe186d107db39bebcf60a2729d505884af182e80956b0.exe
        "C:\Users\Admin\AppData\Local\Temp\90357d3589194c61cedfe186d107db39bebcf60a2729d505884af182e80956b0.exe"
        3⤵
        • Executes dropped EXE
        • System Location Discovery: System Language Discovery
        PID:4376
    • C:\Windows\Logo1_.exe
      C:\Windows\Logo1_.exe
      2⤵
      • Executes dropped EXE
      • Enumerates connected drives
      • Drops file in Program Files directory
      • Drops file in Windows directory
      • Reads the TCP/IP host and domain name from the registry
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of WriteProcessMemory
      PID:3840
      • C:\Windows\SysWOW64\net.exe
        net stop "Kingsoft AntiVirus Service"
        3⤵
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:3744
        • C:\Windows\SysWOW64\net1.exe
          C:\Windows\system32\net1 stop "Kingsoft AntiVirus Service"
          4⤵
          • System Location Discovery: System Language Discovery
          PID:3140

Network

        MITRE ATT&CK Enterprise v16

        Replay Monitor

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        Downloads

        MicrosoftEdgeUpdateBroker.exe

        • Path C:\Program Files (x86)\Microsoft\EdgeUpdate_bk\1.3.185.27\MicrosoftEdgeUpdateBroker.exe
        • Size 124KB
        • SHA256 4b925f312adc741960f1cda5ebff5ddfd014da6226a6cf35dea463abb8710ed5
        • MD5 SHA1 SHA512 SSDEEP TLSH

        vcredist_x86.exe

        • Path C:\ProgramData\Package Cache\{61087a79-ac85-455c-934d-1fa22cc64f36}\vcredist_x86.exe
        • Size 481KB
        • SHA256 d5fbaf5c0d8e313d4dad23b28cac4256c5dbed6ab3b0d797e2971f30c5e095ad
        • MD5 SHA1 SHA512 SSDEEP TLSH

        $$a2DFC.bat

        • Path C:\Users\Admin\AppData\Local\Temp\$$a2DFC.bat
        • Size 722B
        • SHA256 1ca6d297435d2bc418c37e65a8063311975d47efcd98d6dba0b57a018ef6ae62
        • MD5 SHA1 SHA512 TLSH

        90357d3589194c61cedfe186d107db39bebcf60a2729d505884af182e80956b0.exe.exe

        • Path C:\Users\Admin\AppData\Local\Temp\90357d3589194c61cedfe186d107db39bebcf60a2729d505884af182e80956b0.exe.exe
        • Size 341KB
        • SHA256 03433a171f2dad077d2cb55a84d966a04e414fe1235e1b9f793d308d680f7852
        • MD5 SHA1 SHA512 SSDEEP TLSH

        Logo1_.exe

        • Path C:\Windows\Logo1_.exe
        • Size 26KB
        • SHA256 e4dffe2c51904b4d50abe514f0e07da4fccea2685460282e205f1c18fb587d11
        • MD5 SHA1 SHA512 SSDEEP TLSH

        _desktop.ini

        • Path F:\$RECYCLE.BIN\S-1-5-21-650287814-2715975232-1279715623-1000\_desktop.ini
        • Size 9B
        • SHA256 3b01728e72b5e4110a11234d4a111c8b841e7780c44559315123bbe0fbe10b97
        • MD5 SHA1 SHA512

        memory/3840-29-0x0000000000400000-0x0000000000434000-memory.dmp

        memory/3840-22-0x0000000000400000-0x0000000000434000-memory.dmp

        memory/3840-35-0x0000000000400000-0x0000000000434000-memory.dmp

        memory/3840-39-0x0000000000400000-0x0000000000434000-memory.dmp

        memory/3840-129-0x0000000000400000-0x0000000000434000-memory.dmp

        memory/3840-1246-0x0000000000400000-0x0000000000434000-memory.dmp

        memory/3840-11-0x0000000000400000-0x0000000000434000-memory.dmp

        memory/3840-5043-0x0000000000400000-0x0000000000434000-memory.dmp

        memory/3840-5516-0x0000000000400000-0x0000000000434000-memory.dmp

        memory/5836-0-0x0000000000400000-0x0000000000434000-memory.dmp

        memory/5836-12-0x0000000000400000-0x0000000000434000-memory.dmp