Analysis

  • max time kernel
    149s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260709-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    30/07/2026, 04:20

General

  • Target
    3909156c3b632c1401c3da5e0b576ba2a3329029be405c61719a0e621ddc942e.exe
  • Size 193KB
  • Sample260730-ex53pabf66
  • SHA256 3909156c3b632c1401c3da5e0b576ba2a3329029be405c61719a0e621ddc942e
  • 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\3909156c3b632c1401c3da5e0b576ba2a3329029be405c61719a0e621ddc942e.exe
    "C:\Users\Admin\AppData\Local\Temp\3909156c3b632c1401c3da5e0b576ba2a3329029be405c61719a0e621ddc942e.exe"
    1⤵
    • Drops file in Windows directory
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:1448
    • C:\Windows\SysWOW64\cmd.exe
      C:\Windows\system32\cmd.exe /c C:\Users\Admin\AppData\Local\Temp\$$a38C9.bat
      2⤵
      • Executes a command shell one-liner
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:2052
      • C:\Users\Admin\AppData\Local\Temp\3909156c3b632c1401c3da5e0b576ba2a3329029be405c61719a0e621ddc942e.exe
        "C:\Users\Admin\AppData\Local\Temp\3909156c3b632c1401c3da5e0b576ba2a3329029be405c61719a0e621ddc942e.exe"
        3⤵
        • Executes dropped EXE
        PID:4544
    • 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:1104
      • C:\Windows\SysWOW64\net.exe
        net stop "Kingsoft AntiVirus Service"
        3⤵
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:4140
        • C:\Windows\SysWOW64\net1.exe
          C:\Windows\system32\net1 stop "Kingsoft AntiVirus Service"
          4⤵
          • System Location Discovery: System Language Discovery
          PID:5740

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 127KB
        • SHA256 be756b39ebd8add29bda8390f271331cfa7d1c0e432fba4ce5bdce91facf63d8
        • MD5 SHA1 SHA512 SSDEEP TLSH

        vcredist_x86.exe

        • Path C:\ProgramData\Package Cache\{61087a79-ac85-455c-934d-1fa22cc64f36}\vcredist_x86.exe
        • Size 484KB
        • SHA256 832932890d13fa91519d86972e0d5223a82e2d6d35a15b9967199dd44bffefd8
        • MD5 SHA1 SHA512 SSDEEP TLSH

        $$a38C9.bat

        • Path C:\Users\Admin\AppData\Local\Temp\$$a38C9.bat
        • Size 722B
        • SHA256 fb676092edce2a13ddeaa2b3d176c5cc458c78af0a41a61e2f1b422bd53cd93b
        • MD5 SHA1 SHA512 TLSH

        3909156c3b632c1401c3da5e0b576ba2a3329029be405c61719a0e621ddc942e.exe.exe

        • Path C:\Users\Admin\AppData\Local\Temp\3909156c3b632c1401c3da5e0b576ba2a3329029be405c61719a0e621ddc942e.exe.exe
        • Size 164KB
        • SHA256 567c9aac32f3cc73c50ac2dc9a071e757efe553c8ab03b6748b155a7b53ea39f
        • MD5 SHA1 SHA512 SSDEEP TLSH

        Logo1_.exe

        • Path C:\Windows\Logo1_.exe
        • Size 29KB
        • SHA256 fb6fd9cabd43dd5715f5f9ad6a1a922bea3a7d261750bb7d0a6961d8c6a9b888
        • MD5 SHA1 SHA512 SSDEEP TLSH

        _desktop.ini

        • Path F:\$RECYCLE.BIN\S-1-5-21-3611646547-550105268-947503007-1000\_desktop.ini
        • Size 9B
        • SHA256 5941ad3f3fa88034b98466ce2489fdb4318c023282bbe370f96df1346c5533a1
        • MD5 SHA1 SHA512

        memory/1104-30-0x0000000000400000-0x0000000000436000-memory.dmp

        memory/1104-22-0x0000000000400000-0x0000000000436000-memory.dmp

        memory/1104-35-0x0000000000400000-0x0000000000436000-memory.dmp

        memory/1104-39-0x0000000000400000-0x0000000000436000-memory.dmp

        memory/1104-131-0x0000000000400000-0x0000000000436000-memory.dmp

        memory/1104-1246-0x0000000000400000-0x0000000000436000-memory.dmp

        memory/1104-12-0x0000000000400000-0x0000000000436000-memory.dmp

        memory/1104-5043-0x0000000000400000-0x0000000000436000-memory.dmp

        memory/1104-5516-0x0000000000400000-0x0000000000436000-memory.dmp

        memory/1448-0-0x0000000000400000-0x0000000000436000-memory.dmp

        memory/1448-11-0x0000000000400000-0x0000000000436000-memory.dmp