Analysis

  • max time kernel
    150s
  • max time network
    148s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260709-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    08/09/2026, 08:44

General

  • Target
    523bea88cfb271edb47b895fb4dbc704f006fe567803a06e7103c32be5def65a.exe
  • Size 3.8MB
  • Sample260908-km899aec69
  • SHA256 523bea88cfb271edb47b895fb4dbc704f006fe567803a06e7103c32be5def65a
  • 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\523bea88cfb271edb47b895fb4dbc704f006fe567803a06e7103c32be5def65a.exe
    "C:\Users\Admin\AppData\Local\Temp\523bea88cfb271edb47b895fb4dbc704f006fe567803a06e7103c32be5def65a.exe"
    1⤵
    • Drops file in Windows directory
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:4328
    • C:\Windows\SysWOW64\cmd.exe
      C:\Windows\system32\cmd.exe /c C:\Users\Admin\AppData\Local\Temp\$$a7814.bat
      2⤵
      • Executes a command shell one-liner
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:6016
      • C:\Users\Admin\AppData\Local\Temp\523bea88cfb271edb47b895fb4dbc704f006fe567803a06e7103c32be5def65a.exe
        "C:\Users\Admin\AppData\Local\Temp\523bea88cfb271edb47b895fb4dbc704f006fe567803a06e7103c32be5def65a.exe"
        3⤵
        • Executes dropped EXE
        PID:4124
    • 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:4552
      • C:\Windows\SysWOW64\net.exe
        net stop "Kingsoft AntiVirus Service"
        3⤵
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:3164
        • C:\Windows\SysWOW64\net1.exe
          C:\Windows\system32\net1 stop "Kingsoft AntiVirus Service"
          4⤵
          • System Location Discovery: System Language Discovery
          PID:4836

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 0e25d907916c551d1b3dfe219e250f8e1a6f99f839de0e32e9a88ad07c0f5b70
        • MD5 SHA1 SHA512 SSDEEP TLSH

        vcredist_x86.exe

        • Path C:\ProgramData\Package Cache\{61087a79-ac85-455c-934d-1fa22cc64f36}\vcredist_x86.exe
        • Size 481KB
        • SHA256 297984cb1c691abf3614c0c64ed3ed1b8cbf2e2f2efae02e5392e110a717394c
        • MD5 SHA1 SHA512 SSDEEP TLSH

        $$a7814.bat

        • Path C:\Users\Admin\AppData\Local\Temp\$$a7814.bat
        • Size 722B
        • SHA256 334ee90bcd682758576081fe188a2abbc20a98ac5473147a397936b7fca581b5
        • MD5 SHA1 SHA512 TLSH

        523bea88cfb271edb47b895fb4dbc704f006fe567803a06e7103c32be5def65a.exe.exe

        • Path C:\Users\Admin\AppData\Local\Temp\523bea88cfb271edb47b895fb4dbc704f006fe567803a06e7103c32be5def65a.exe.exe
        • Size 3.7MB
        • SHA256 0ee984596e80929f2a847fba6e7af82cc00c96c8d0a96c1045cceb840074e6a9
        • MD5 SHA1 SHA512 SSDEEP TLSH

        Logo1_.exe

        • Path C:\Windows\Logo1_.exe
        • Size 26KB
        • SHA256 d47256aa519d4f40e1d5f6078fe6b4377001192ef9825fe6303e2dfe045d6ef3
        • MD5 SHA1 SHA512 SSDEEP TLSH

        _desktop.ini

        • Path F:\$RECYCLE.BIN\_desktop.ini
        • Size 8B
        • SHA256 9179d04e2c73a3f2dc2b81dbc27ec1eb04d5ff033e13e36d2437bb8396aaf876
        • MD5 SHA1 SHA512

        memory/4328-0-0x0000000000400000-0x0000000000434000-memory.dmp

        memory/4328-13-0x0000000000400000-0x0000000000434000-memory.dmp

        memory/4552-22-0x0000000000400000-0x0000000000434000-memory.dmp

        memory/4552-23-0x0000000000400000-0x0000000000434000-memory.dmp

        memory/4552-30-0x0000000000400000-0x0000000000434000-memory.dmp

        memory/4552-35-0x0000000000400000-0x0000000000434000-memory.dmp

        memory/4552-39-0x0000000000400000-0x0000000000434000-memory.dmp

        memory/4552-41-0x0000000000400000-0x0000000000434000-memory.dmp

        memory/4552-1247-0x0000000000400000-0x0000000000434000-memory.dmp

        memory/4552-5044-0x0000000000400000-0x0000000000434000-memory.dmp

        memory/4552-10-0x0000000000400000-0x0000000000434000-memory.dmp

        memory/4552-5517-0x0000000000400000-0x0000000000434000-memory.dmp