Analysis

  • max time kernel
    150s
  • max time network
    150s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20260513-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20260513-enlocale:en-usos:windows10-2004-x64systemwindows
  • submitted
    09/08/2026, 10:16

General

  • Target
    a1748e948584e65a3c60a11059747834846b8464f97fbddf4bd4ed6e739ca04e.exe
  • Size 575KB
  • Sample260809-mbbkysyzev
  • SHA256 a1748e948584e65a3c60a11059747834846b8464f97fbddf4bd4ed6e739ca04e
  • 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\a1748e948584e65a3c60a11059747834846b8464f97fbddf4bd4ed6e739ca04e.exe
    "C:\Users\Admin\AppData\Local\Temp\a1748e948584e65a3c60a11059747834846b8464f97fbddf4bd4ed6e739ca04e.exe"
    1⤵
    • Drops file in Windows directory
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:2584
    • C:\Windows\SysWOW64\cmd.exe
      C:\Windows\system32\cmd.exe /c C:\Users\Admin\AppData\Local\Temp\$$a6107.bat
      2⤵
      • Executes a command shell one-liner
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:4980
      • C:\Users\Admin\AppData\Local\Temp\a1748e948584e65a3c60a11059747834846b8464f97fbddf4bd4ed6e739ca04e.exe
        "C:\Users\Admin\AppData\Local\Temp\a1748e948584e65a3c60a11059747834846b8464f97fbddf4bd4ed6e739ca04e.exe"
        3⤵
        • Executes dropped EXE
        PID:5620
    • 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:4424
      • C:\Windows\SysWOW64\net.exe
        net stop "Kingsoft AntiVirus Service"
        3⤵
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:4496
        • C:\Windows\SysWOW64\net1.exe
          C:\Windows\system32\net1 stop "Kingsoft AntiVirus Service"
          4⤵
          • System Location Discovery: System Language Discovery
          PID:2164

Network

        MITRE ATT&CK Enterprise v16

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        MicrosoftEdgeUpdateBroker.exe

        • Path C:\Program Files (x86)\Microsoft\EdgeUpdate_bk\1.3.147.37\MicrosoftEdgeUpdateBroker.exe
        • Size 125KB
        • SHA256 2cb7721de790281cc6502397afc837b80e4c78913da645c31f246827795bbf62
        • MD5 SHA1 SHA512 SSDEEP TLSH

        7z.exe

        • Path C:\Program Files\7-Zip\7z.exe
        • Size 575KB
        • SHA256 a1748e948584e65a3c60a11059747834846b8464f97fbddf4bd4ed6e739ca04e
        • MD5 SHA1 SHA512 SSDEEP TLSH

        $$a6107.bat

        • Path C:\Users\Admin\AppData\Local\Temp\$$a6107.bat
        • Size 722B
        • SHA256 4c9eed5b4cacdc615a31f6321d4c55826776efd1976243f55a7e61e9a5f2442a
        • MD5 SHA1 SHA512 TLSH

        a1748e948584e65a3c60a11059747834846b8464f97fbddf4bd4ed6e739ca04e.exe.exe

        • Path C:\Users\Admin\AppData\Local\Temp\a1748e948584e65a3c60a11059747834846b8464f97fbddf4bd4ed6e739ca04e.exe.exe
        • Size 549KB
        • SHA256 707f415d7d581edd9bce99a0429ad4629d3be0316c329e8b9ebd576f7ab50b71
        • MD5 SHA1 SHA512 SSDEEP TLSH

        Logo1_.exe

        • Path C:\Windows\Logo1_.exe
        • Size 26KB
        • SHA256 acca897ac28f597801df59bd1343785f7bea8c1013821c44d2f1878ee5ef1488
        • MD5 SHA1 SHA512 SSDEEP TLSH

        _desktop.ini

        • Path F:\$RECYCLE.BIN\S-1-5-21-3053180483-1881419501-3594244048-1000\_desktop.ini
        • Size 8B
        • SHA256 9665de4083439d021866163b21bda2a5f96fd16cd7572fbd2966e90951743829
        • MD5 SHA1 SHA512

        memory/2584-0-0x0000000000400000-0x0000000000434000-memory.dmp

        memory/2584-11-0x0000000000400000-0x0000000000434000-memory.dmp

        memory/4424-27-0x0000000000400000-0x0000000000434000-memory.dmp

        memory/4424-33-0x0000000000400000-0x0000000000434000-memory.dmp

        memory/4424-37-0x0000000000400000-0x0000000000434000-memory.dmp

        memory/4424-20-0x0000000000400000-0x0000000000434000-memory.dmp

        memory/4424-237-0x0000000000400000-0x0000000000434000-memory.dmp

        memory/4424-1292-0x0000000000400000-0x0000000000434000-memory.dmp

        memory/4424-9-0x0000000000400000-0x0000000000434000-memory.dmp

        memory/4424-5079-0x0000000000400000-0x0000000000434000-memory.dmp

        memory/4424-5594-0x0000000000400000-0x0000000000434000-memory.dmp