Analysis

  • max time kernel
    149s
  • max time network
    94s
  • platform
    windows11-21h2_x64
  • resource
    win11-20260130-en
  • resource tags

    arch:x64arch:x86image:win11-20260130-enlocale:en-usos:windows11-21h2-x64systemwindows
  • submitted
    11/05/2026, 09:27

General

  • Target
    4b6a762c5a5566c01fe4c14059ee7a908dc0f6b20ce2dd3ebe351ca7fdd70473.exe
  • Size 99KB
  • Sample260511-let12aes3w
  • SHA256 4b6a762c5a5566c01fe4c14059ee7a908dc0f6b20ce2dd3ebe351ca7fdd70473
  • 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
  • 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\4b6a762c5a5566c01fe4c14059ee7a908dc0f6b20ce2dd3ebe351ca7fdd70473.exe
    "C:\Users\Admin\AppData\Local\Temp\4b6a762c5a5566c01fe4c14059ee7a908dc0f6b20ce2dd3ebe351ca7fdd70473.exe"
    1⤵
    • Drops file in Windows directory
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:4944
    • C:\Windows\SysWOW64\cmd.exe
      C:\Windows\system32\cmd.exe /c C:\Users\Admin\AppData\Local\Temp\$$a919C.bat
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:2392
      • C:\Users\Admin\AppData\Local\Temp\4b6a762c5a5566c01fe4c14059ee7a908dc0f6b20ce2dd3ebe351ca7fdd70473.exe
        "C:\Users\Admin\AppData\Local\Temp\4b6a762c5a5566c01fe4c14059ee7a908dc0f6b20ce2dd3ebe351ca7fdd70473.exe"
        3⤵
        • Executes dropped EXE
        PID:5096
    • 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:940
      • C:\Windows\SysWOW64\net.exe
        net stop "Kingsoft AntiVirus Service"
        3⤵
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:1412
        • C:\Windows\SysWOW64\net1.exe
          C:\Windows\system32\net1 stop "Kingsoft AntiVirus Service"
          4⤵
          • System Location Discovery: System Language Discovery
          PID:1948

Network

        MITRE ATT&CK Enterprise v16

        Replay Monitor

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        Downloads

        MicrosoftEdgeUpdateBroker.exe

        • Path C:\Program Files (x86)\Microsoft\EdgeUpdate_bk\1.3.143.57\MicrosoftEdgeUpdateBroker.exe
        • Size 125KB
        • SHA256 378a607b2409b56d2ed1e2757e401c39493ae330724e7d25f55dd42ff467d2be
        • MD5 SHA1 SHA512 SSDEEP TLSH

        7z.exe

        • Path C:\Program Files\7-Zip\7z.exe
        • Size 575KB
        • SHA256 eb6b00bd8329cf287114cc38e671cbcdbf221f661fafe55e059812f1b8c3fb39
        • 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

        $$a919C.bat

        • Path C:\Users\Admin\AppData\Local\Temp\$$a919C.bat
        • Size 722B
        • SHA256 3d36c57c1a927726e04eced433e0cbd6c8b1ebc785909d4d3abc2c9c397cdd4a
        • MD5 SHA1 SHA512 TLSH

        4b6a762c5a5566c01fe4c14059ee7a908dc0f6b20ce2dd3ebe351ca7fdd70473.exe.exe

        • Path C:\Users\Admin\AppData\Local\Temp\4b6a762c5a5566c01fe4c14059ee7a908dc0f6b20ce2dd3ebe351ca7fdd70473.exe.exe
        • Size 73KB
        • SHA256 28b001bb9a72ae7a24242bfab248d767a1ac5dec981c672a3944f7a072375e9a
        • MD5 SHA1 SHA512 SSDEEP TLSH

        Logo1_.exe

        • Path C:\Windows\Logo1_.exe
        • Size 26KB
        • SHA256 309aa5b8da87a67fb823c26994df45c3b6fbf725af48a9ab94b206376a1de0e9
        • MD5 SHA1 SHA512 SSDEEP TLSH

        _desktop.ini

        • Path F:\$RECYCLE.BIN\S-1-5-21-3847269522-1618051987-1942096715-1000\_desktop.ini
        • Size 9B
        • SHA256 19944e3d79dbaa55528729df082eccbb0b32b6eb8f9e657c445f9a044a342a86
        • MD5 SHA1 SHA512

        memory/940-27-0x0000000000400000-0x0000000000434000-memory.dmp

        memory/940-33-0x0000000000400000-0x0000000000434000-memory.dmp

        memory/940-37-0x0000000000400000-0x0000000000434000-memory.dmp

        memory/940-20-0x0000000000400000-0x0000000000434000-memory.dmp

        memory/940-671-0x0000000000400000-0x0000000000434000-memory.dmp

        memory/940-1224-0x0000000000400000-0x0000000000434000-memory.dmp

        memory/940-5005-0x0000000000400000-0x0000000000434000-memory.dmp

        memory/940-8-0x0000000000400000-0x0000000000434000-memory.dmp

        memory/940-5502-0x0000000000400000-0x0000000000434000-memory.dmp

        memory/4944-0-0x0000000000400000-0x0000000000434000-memory.dmp

        memory/4944-11-0x0000000000400000-0x0000000000434000-memory.dmp