Analysis

  • max time kernel
    149s
  • max time network
    145s
  • 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, 02:21

General

  • Target
    e909e848fca031cd5f8be1f0feb7634efcc5ecd5533a74a822cb02699b9be69f.exe
  • Size 324KB
  • Sample260831-ctf82swtgt
  • SHA256 e909e848fca031cd5f8be1f0feb7634efcc5ecd5533a74a822cb02699b9be69f
  • MD5 SHA1 SHA512 SSDEEP TLSH

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.

  • UPX packed file 3 IoCs

    Detects executables packed with UPX/modified UPX open source packer.

  • 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\e909e848fca031cd5f8be1f0feb7634efcc5ecd5533a74a822cb02699b9be69f.exe
    "C:\Users\Admin\AppData\Local\Temp\e909e848fca031cd5f8be1f0feb7634efcc5ecd5533a74a822cb02699b9be69f.exe"
    1⤵
    • Drops file in Windows directory
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:5672
    • C:\Windows\SysWOW64\cmd.exe
      C:\Windows\system32\cmd.exe /c C:\Users\Admin\AppData\Local\Temp\$$a625A.bat
      2⤵
      • Executes a command shell one-liner
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:3152
      • C:\Users\Admin\AppData\Local\Temp\e909e848fca031cd5f8be1f0feb7634efcc5ecd5533a74a822cb02699b9be69f.exe
        "C:\Users\Admin\AppData\Local\Temp\e909e848fca031cd5f8be1f0feb7634efcc5ecd5533a74a822cb02699b9be69f.exe"
        3⤵
        • Executes dropped EXE
        PID:3776
    • 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:1632
      • C:\Windows\SysWOW64\net.exe
        net stop "Kingsoft AntiVirus Service"
        3⤵
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:5984
        • C:\Windows\SysWOW64\net1.exe
          C:\Windows\system32\net1 stop "Kingsoft AntiVirus Service"
          4⤵
          • System Location Discovery: System Language Discovery
          PID:1840

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 6f2bb17970e4810684774e82d6be4080bc90974c9d7197305be338d6f082a3fa
        • 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

        $$a625A.bat

        • Path C:\Users\Admin\AppData\Local\Temp\$$a625A.bat
        • Size 722B
        • SHA256 53472926b09b486eccfa72d4a8beb253f6c287db21d604c234c857946419325a
        • MD5 SHA1 SHA512 TLSH

        e909e848fca031cd5f8be1f0feb7634efcc5ecd5533a74a822cb02699b9be69f.exe.exe

        • Path C:\Users\Admin\AppData\Local\Temp\e909e848fca031cd5f8be1f0feb7634efcc5ecd5533a74a822cb02699b9be69f.exe.exe
        • Size 298KB
        • SHA256 0c3dc789d0a46493bd097526b920d913d930d96b1052cb331eec3ac560c89996
        • MD5 SHA1 SHA512 SSDEEP TLSH

        Logo1_.exe

        • Path C:\Windows\Logo1_.exe
        • Size 26KB
        • SHA256 e5eb99a4c36332ac795afb46740f8f5c23598eb6a6c72e8f977bf8ad76a5ca8e
        • MD5 SHA1 SHA512 SSDEEP TLSH

        _desktop.ini

        • Path F:\$RECYCLE.BIN\S-1-5-21-552508041-2681165170-3229858294-1000\_desktop.ini
        • Size 9B
        • SHA256 48fc246849bbf8829b4f8949e19ffb9de4020b7e65df5ab0bdedfdbbdb956880
        • MD5 SHA1 SHA512

        memory/1632-23-0x0000000000400000-0x0000000000434000-memory.dmp

        memory/1632-31-0x0000000000400000-0x0000000000434000-memory.dmp

        memory/1632-37-0x0000000000400000-0x0000000000434000-memory.dmp

        memory/1632-41-0x0000000000400000-0x0000000000434000-memory.dmp

        memory/1632-45-0x0000000000400000-0x0000000000434000-memory.dmp

        memory/1632-1248-0x0000000000400000-0x0000000000434000-memory.dmp

        memory/1632-10-0x0000000000400000-0x0000000000434000-memory.dmp

        memory/1632-5045-0x0000000000400000-0x0000000000434000-memory.dmp

        memory/1632-5518-0x0000000000400000-0x0000000000434000-memory.dmp

        memory/3776-21-0x0000000000400000-0x000000000059C000-memory.dmp

        memory/3776-20-0x0000000000400000-0x000000000059C000-memory.dmp

        memory/5672-0-0x0000000000400000-0x0000000000434000-memory.dmp

        memory/5672-12-0x0000000000400000-0x0000000000434000-memory.dmp