Analysis

  • max time kernel
    150s
  • max time network
    134s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260709-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    25/08/2026, 08:51

General

  • Target
    b65c59c694c1287a272176564f20580062b9e6d55a6765d72fe9b0625c575633.exe
  • Size 2.5MB
  • Sample260825-kr78ragk2v
  • SHA256 b65c59c694c1287a272176564f20580062b9e6d55a6765d72fe9b0625c575633
  • 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\b65c59c694c1287a272176564f20580062b9e6d55a6765d72fe9b0625c575633.exe
    "C:\Users\Admin\AppData\Local\Temp\b65c59c694c1287a272176564f20580062b9e6d55a6765d72fe9b0625c575633.exe"
    1⤵
    • Drops file in Windows directory
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:6052
    • C:\Windows\SysWOW64\cmd.exe
      C:\Windows\system32\cmd.exe /c C:\Users\Admin\AppData\Local\Temp\$$aE1F.bat
      2⤵
      • Executes a command shell one-liner
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:2752
      • C:\Users\Admin\AppData\Local\Temp\b65c59c694c1287a272176564f20580062b9e6d55a6765d72fe9b0625c575633.exe
        "C:\Users\Admin\AppData\Local\Temp\b65c59c694c1287a272176564f20580062b9e6d55a6765d72fe9b0625c575633.exe"
        3⤵
        • Executes dropped EXE
        PID:1248
    • 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:4224
      • C:\Windows\SysWOW64\net.exe
        net stop "Kingsoft AntiVirus Service"
        3⤵
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:5716
        • C:\Windows\SysWOW64\net1.exe
          C:\Windows\system32\net1 stop "Kingsoft AntiVirus Service"
          4⤵
          • System Location Discovery: System Language Discovery
          PID:1272

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 af48e6742775aa16c83bc236395291074ef613c8d28ce69ae45aab374599555e
        • 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

        $$aE1F.bat

        • Path C:\Users\Admin\AppData\Local\Temp\$$aE1F.bat
        • Size 721B
        • SHA256 56240bef7e13d40835a010d64f410e3a726813440fbe892580cb14db91623025
        • MD5 SHA1 SHA512 TLSH

        b65c59c694c1287a272176564f20580062b9e6d55a6765d72fe9b0625c575633.exe.exe

        • Path C:\Users\Admin\AppData\Local\Temp\b65c59c694c1287a272176564f20580062b9e6d55a6765d72fe9b0625c575633.exe.exe
        • Size 2.5MB
        • SHA256 e5ef2263c299f3d57f68d6778c287d1625e5a863de0e116c26a584a6007a8304
        • MD5 SHA1 SHA512 SSDEEP TLSH

        Logo1_.exe

        • Path C:\Windows\Logo1_.exe
        • Size 26KB
        • SHA256 1baaa8e33b94eccebe159fb5797300833bb75534e4e745e4a70aa64337f526e2
        • MD5 SHA1 SHA512 SSDEEP TLSH

        _desktop.ini

        • Path F:\$RECYCLE.BIN\S-1-5-21-3986082593-3624157295-3514260330-1000\_desktop.ini
        • Size 9B
        • SHA256 1962ce70116500adabf0740e812e54bf58d48913f891249fc2b7c8e97bf58d22
        • MD5 SHA1 SHA512

        memory/4224-31-0x0000000000400000-0x0000000000434000-memory.dmp

        memory/4224-23-0x0000000000400000-0x0000000000434000-memory.dmp

        memory/4224-36-0x0000000000400000-0x0000000000434000-memory.dmp

        memory/4224-40-0x0000000000400000-0x0000000000434000-memory.dmp

        memory/4224-100-0x0000000000400000-0x0000000000434000-memory.dmp

        memory/4224-1247-0x0000000000400000-0x0000000000434000-memory.dmp

        memory/4224-5044-0x0000000000400000-0x0000000000434000-memory.dmp

        memory/4224-11-0x0000000000400000-0x0000000000434000-memory.dmp

        memory/4224-5517-0x0000000000400000-0x0000000000434000-memory.dmp

        memory/6052-0-0x0000000000400000-0x0000000000434000-memory.dmp

        memory/6052-13-0x0000000000400000-0x0000000000434000-memory.dmp