Analysis

  • max time kernel
    150s
  • max time network
    125s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260709-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    31/08/2026, 01:20

General

  • Target
    f78c6e84c6c3b59f84f0794a7cbe0b3c315023c11065eb10bf19560aa130a091.exe
  • Size 135KB
  • Sample260831-bqk76ashpc
  • SHA256 f78c6e84c6c3b59f84f0794a7cbe0b3c315023c11065eb10bf19560aa130a091
  • 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 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\f78c6e84c6c3b59f84f0794a7cbe0b3c315023c11065eb10bf19560aa130a091.exe
    "C:\Users\Admin\AppData\Local\Temp\f78c6e84c6c3b59f84f0794a7cbe0b3c315023c11065eb10bf19560aa130a091.exe"
    1⤵
    • Drops file in Windows directory
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:6120
    • C:\Windows\SysWOW64\cmd.exe
      C:\Windows\system32\cmd.exe /c C:\Users\Admin\AppData\Local\Temp\$$aC99.bat
      2⤵
      • Executes a command shell one-liner
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:6184
      • C:\Users\Admin\AppData\Local\Temp\f78c6e84c6c3b59f84f0794a7cbe0b3c315023c11065eb10bf19560aa130a091.exe
        "C:\Users\Admin\AppData\Local\Temp\f78c6e84c6c3b59f84f0794a7cbe0b3c315023c11065eb10bf19560aa130a091.exe"
        3⤵
        • Executes dropped EXE
        • System Location Discovery: System Language Discovery
        PID:7116
    • 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:1800
      • C:\Windows\SysWOW64\net.exe
        net stop "Kingsoft AntiVirus Service"
        3⤵
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:6180
        • C:\Windows\SysWOW64\net1.exe
          C:\Windows\system32\net1 stop "Kingsoft AntiVirus Service"
          4⤵
          • System Location Discovery: System Language Discovery
          PID:4516

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 167047ace2443dd74392ad23e286fe1e3342d5e8279429b39fa7075db77f55c2
        • 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

        $$aC99.bat

        • Path C:\Users\Admin\AppData\Local\Temp\$$aC99.bat
        • Size 721B
        • SHA256 f34e675e5ed7a6801a06bc939871106d792d03a518bd664244e8c11645f457a1
        • MD5 SHA1 SHA512 TLSH

        f78c6e84c6c3b59f84f0794a7cbe0b3c315023c11065eb10bf19560aa130a091.exe.exe

        • Path C:\Users\Admin\AppData\Local\Temp\f78c6e84c6c3b59f84f0794a7cbe0b3c315023c11065eb10bf19560aa130a091.exe.exe
        • Size 108KB
        • SHA256 1282638d107bc85978d5bdf44e6209eb974333664223504d3663f48739d02207
        • MD5 SHA1 SHA512 SSDEEP TLSH

        Logo1_.exe

        • Path C:\Windows\Logo1_.exe
        • Size 26KB
        • SHA256 1c74682705be46ee6f1a7aa21f6afaf0ec699b7ee2674bc158ef8c2cb0a0382e
        • MD5 SHA1 SHA512 SSDEEP TLSH

        _desktop.ini

        • Path F:\$RECYCLE.BIN\S-1-5-21-1014449518-1831897916-4205727055-1000\_desktop.ini
        • Size 9B
        • SHA256 48fc246849bbf8829b4f8949e19ffb9de4020b7e65df5ab0bdedfdbbdb956880
        • MD5 SHA1 SHA512

        memory/1800-29-0x0000000000400000-0x0000000000434000-memory.dmp

        memory/1800-22-0x0000000000400000-0x0000000000434000-memory.dmp

        memory/1800-35-0x0000000000400000-0x0000000000434000-memory.dmp

        memory/1800-39-0x0000000000400000-0x0000000000434000-memory.dmp

        memory/1800-149-0x0000000000400000-0x0000000000434000-memory.dmp

        memory/1800-1246-0x0000000000400000-0x0000000000434000-memory.dmp

        memory/1800-10-0x0000000000400000-0x0000000000434000-memory.dmp

        memory/1800-5043-0x0000000000400000-0x0000000000434000-memory.dmp

        memory/1800-5516-0x0000000000400000-0x0000000000434000-memory.dmp

        memory/6120-0-0x0000000000400000-0x0000000000434000-memory.dmp

        memory/6120-13-0x0000000000400000-0x0000000000434000-memory.dmp