Analysis

  • max time kernel
    150s
  • max time network
    143s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260709-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    22/08/2026, 18:06

General

  • Target
    3cd40ab4180aa6eeac0cf4627a5c65e7b2e9a1c7537ef96fdf691c18e48acb97.exe
  • Size 271KB
  • Sample260822-wpvenaaq3z
  • SHA256 3cd40ab4180aa6eeac0cf4627a5c65e7b2e9a1c7537ef96fdf691c18e48acb97
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
7/10

Malware Config

Signatures

  • Executes dropped EXE 2 IoCs
  • Enumerates connected drives 3 TTPs 21 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.

  • System Location Discovery: System Language Discovery 1 TTPs 5 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\3cd40ab4180aa6eeac0cf4627a5c65e7b2e9a1c7537ef96fdf691c18e48acb97.exe
    "C:\Users\Admin\AppData\Local\Temp\3cd40ab4180aa6eeac0cf4627a5c65e7b2e9a1c7537ef96fdf691c18e48acb97.exe"
    1⤵
    • Drops file in Windows directory
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:4700
    • C:\Windows\SysWOW64\cmd.exe
      C:\Windows\system32\cmd.exe /c C:\Users\Admin\AppData\Local\Temp\$$aEFAA.bat
      2⤵
      • Executes a command shell one-liner
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:4984
      • C:\Users\Admin\AppData\Local\Temp\3cd40ab4180aa6eeac0cf4627a5c65e7b2e9a1c7537ef96fdf691c18e48acb97.exe
        "C:\Users\Admin\AppData\Local\Temp\3cd40ab4180aa6eeac0cf4627a5c65e7b2e9a1c7537ef96fdf691c18e48acb97.exe"
        3⤵
        • Executes dropped EXE
        PID:3312
    • 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
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of WriteProcessMemory
      PID:1332
      • C:\Windows\SysWOW64\net.exe
        net stop "Kingsoft AntiVirus Service"
        3⤵
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:3464
        • C:\Windows\SysWOW64\net1.exe
          C:\Windows\system32\net1 stop "Kingsoft AntiVirus Service"
          4⤵
          • System Location Discovery: System Language Discovery
          PID:3708

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 edf79a2053643698b986b74316dd8b860a9879457b20d31e816471d34dc8230a
        • 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

        $$aEFAA.bat

        • Path C:\Users\Admin\AppData\Local\Temp\$$aEFAA.bat
        • Size 722B
        • SHA256 98817e3db62c3db25072cfe5bab7d57bf1059569b257d87db467b7b424a4e825
        • MD5 SHA1 SHA512 TLSH

        3cd40ab4180aa6eeac0cf4627a5c65e7b2e9a1c7537ef96fdf691c18e48acb97.exe.exe

        • Path C:\Users\Admin\AppData\Local\Temp\3cd40ab4180aa6eeac0cf4627a5c65e7b2e9a1c7537ef96fdf691c18e48acb97.exe.exe
        • Size 245KB
        • SHA256 cc55952113722b1a9808600e61f59b90bd2bf71c1df770007b06d14dbba8ac41
        • MD5 SHA1 SHA512 SSDEEP TLSH

        Logo1_.exe

        • Path C:\Windows\Logo1_.exe
        • Size 26KB
        • SHA256 00ca6261a23e857356d83b4c60cbefabb5d4d5b784748d86dbba0c02cfa15b55
        • MD5 SHA1 SHA512 SSDEEP TLSH

        _desktop.ini

        • Path F:\$RECYCLE.BIN\S-1-5-21-2115213192-531537726-3295841909-1000\_desktop.ini
        • Size 9B
        • SHA256 d4d8f9f80b18a46f97a66d9f2276d6028cc30bdd0122ba5302395833bc4f3fd8
        • MD5 SHA1 SHA512

        memory/1332-30-0x0000000000400000-0x0000000000434000-memory.dmp

        memory/1332-22-0x0000000000400000-0x0000000000434000-memory.dmp

        memory/1332-35-0x0000000000400000-0x0000000000434000-memory.dmp

        memory/1332-39-0x0000000000400000-0x0000000000434000-memory.dmp

        memory/1332-107-0x0000000000400000-0x0000000000434000-memory.dmp

        memory/1332-1246-0x0000000000400000-0x0000000000434000-memory.dmp

        memory/1332-10-0x0000000000400000-0x0000000000434000-memory.dmp

        memory/1332-5043-0x0000000000400000-0x0000000000434000-memory.dmp

        memory/1332-5516-0x0000000000400000-0x0000000000434000-memory.dmp

        memory/4700-0-0x0000000000400000-0x0000000000434000-memory.dmp

        memory/4700-13-0x0000000000400000-0x0000000000434000-memory.dmp