Analysis

  • max time kernel
    148s
  • max time network
    143s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260911-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260911-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    28/09/2026, 07:50

General

  • Target
    a43af432284181a0da583ccdd81a7b949ae06d521f092a8ea2e40f5f7283c8e0.exe
  • Size 459KB
  • Sample260928-jprybahe92
  • SHA256 a43af432284181a0da583ccdd81a7b949ae06d521f092a8ea2e40f5f7283c8e0
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
6/10

Malware Config

Signatures

  • Enumerates connected drives 3 TTPs 23 IoCs

    Attempts to read the root path of hard drives other than the default C: drive.

  • Drops file in Windows directory 61 IoCs
  • Checks SCSI registry key(s) 3 TTPs 28 IoCs

    SCSI information is often read in order to detect sandboxing environments.

  • Opens file in notepad (likely ransom note) 22 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious behavior: LoadsDriver 44 IoCs
  • Suspicious use of WriteProcessMemory 22 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\a43af432284181a0da583ccdd81a7b949ae06d521f092a8ea2e40f5f7283c8e0.exe
    "C:\Users\Admin\AppData\Local\Temp\a43af432284181a0da583ccdd81a7b949ae06d521f092a8ea2e40f5f7283c8e0.exe"
    1⤵
    • Enumerates connected drives
    • Drops file in Windows directory
    • Checks SCSI registry key(s)
    • Suspicious behavior: GetForegroundWindowSpam
    • Suspicious use of WriteProcessMemory
    PID:2888
    • C:\Windows\system32\notepad.exe
      "C:\Windows\system32\notepad.exe" "C:\Users\Admin\AppData\Local\Temp\DriverInstall_Result.txt"
      2⤵
      • Opens file in notepad (likely ransom note)
      PID:5404
    • C:\Windows\system32\notepad.exe
      "C:\Windows\system32\notepad.exe" "C:\Users\Admin\AppData\Local\Temp\DriverInstall_Result.txt"
      2⤵
      • Opens file in notepad (likely ransom note)
      PID:3620
    • C:\Windows\system32\notepad.exe
      "C:\Windows\system32\notepad.exe" "C:\Users\Admin\AppData\Local\Temp\DriverInstall_Result.txt"
      2⤵
      • Opens file in notepad (likely ransom note)
      PID:3156
    • C:\Windows\system32\notepad.exe
      "C:\Windows\system32\notepad.exe" "C:\Users\Admin\AppData\Local\Temp\DriverInstall_Result.txt"
      2⤵
      • Opens file in notepad (likely ransom note)
      PID:2408
    • C:\Windows\system32\notepad.exe
      "C:\Windows\system32\notepad.exe" "C:\Users\Admin\AppData\Local\Temp\DriverInstall_Result.txt"
      2⤵
      • Opens file in notepad (likely ransom note)
      PID:3364
    • C:\Windows\system32\notepad.exe
      "C:\Windows\system32\notepad.exe" "C:\Users\Admin\AppData\Local\Temp\DriverInstall_Result.txt"
      2⤵
      • Opens file in notepad (likely ransom note)
      PID:3596
    • C:\Windows\system32\notepad.exe
      "C:\Windows\system32\notepad.exe" "C:\Users\Admin\AppData\Local\Temp\DriverInstall_Result.txt"
      2⤵
      • Opens file in notepad (likely ransom note)
      PID:2472
    • C:\Windows\system32\notepad.exe
      "C:\Windows\system32\notepad.exe" "C:\Users\Admin\AppData\Local\Temp\DriverInstall_Result.txt"
      2⤵
      • Opens file in notepad (likely ransom note)
      PID:492
    • C:\Windows\system32\notepad.exe
      "C:\Windows\system32\notepad.exe" "C:\Users\Admin\AppData\Local\Temp\DriverInstall_Result.txt"
      2⤵
      • Opens file in notepad (likely ransom note)
      PID:6104
    • C:\Windows\system32\notepad.exe
      "C:\Windows\system32\notepad.exe" "C:\Users\Admin\AppData\Local\Temp\DriverInstall_Result.txt"
      2⤵
      • Opens file in notepad (likely ransom note)
      PID:5836
    • C:\Windows\system32\notepad.exe
      "C:\Windows\system32\notepad.exe" "C:\Users\Admin\AppData\Local\Temp\DriverInstall_Result.txt"
      2⤵
      • Opens file in notepad (likely ransom note)
      PID:3500
    • C:\Windows\system32\notepad.exe
      "C:\Windows\system32\notepad.exe" "C:\Users\Admin\AppData\Local\Temp\DriverInstall_Result.txt"
      2⤵
      • Opens file in notepad (likely ransom note)
      PID:4676
    • C:\Windows\system32\notepad.exe
      "C:\Windows\system32\notepad.exe" "C:\Users\Admin\AppData\Local\Temp\DriverInstall_Result.txt"
      2⤵
      • Opens file in notepad (likely ransom note)
      PID:4940
    • C:\Windows\system32\notepad.exe
      "C:\Windows\system32\notepad.exe" "C:\Users\Admin\AppData\Local\Temp\DriverInstall_Result.txt"
      2⤵
      • Opens file in notepad (likely ransom note)
      PID:3740
    • C:\Windows\system32\notepad.exe
      "C:\Windows\system32\notepad.exe" "C:\Users\Admin\AppData\Local\Temp\DriverInstall_Result.txt"
      2⤵
      • Opens file in notepad (likely ransom note)
      PID:1108
    • C:\Windows\system32\notepad.exe
      "C:\Windows\system32\notepad.exe" "C:\Users\Admin\AppData\Local\Temp\DriverInstall_Result.txt"
      2⤵
      • Opens file in notepad (likely ransom note)
      PID:1844
    • C:\Windows\system32\notepad.exe
      "C:\Windows\system32\notepad.exe" "C:\Users\Admin\AppData\Local\Temp\DriverInstall_Result.txt"
      2⤵
      • Opens file in notepad (likely ransom note)
      PID:1372
    • C:\Windows\system32\notepad.exe
      "C:\Windows\system32\notepad.exe" "C:\Users\Admin\AppData\Local\Temp\DriverInstall_Result.txt"
      2⤵
      • Opens file in notepad (likely ransom note)
      PID:2804
    • C:\Windows\system32\notepad.exe
      "C:\Windows\system32\notepad.exe" "C:\Users\Admin\AppData\Local\Temp\DriverInstall_Result.txt"
      2⤵
      • Opens file in notepad (likely ransom note)
      PID:4716
    • C:\Windows\system32\notepad.exe
      "C:\Windows\system32\notepad.exe" "C:\Users\Admin\AppData\Local\Temp\DriverInstall_Result.txt"
      2⤵
      • Opens file in notepad (likely ransom note)
      PID:5112
    • C:\Windows\system32\notepad.exe
      "C:\Windows\system32\notepad.exe" "C:\Users\Admin\AppData\Local\Temp\DriverInstall_Result.txt"
      2⤵
      • Opens file in notepad (likely ransom note)
      PID:4252
    • C:\Windows\system32\notepad.exe
      "C:\Windows\system32\notepad.exe" "C:\Users\Admin\AppData\Local\Temp\DriverInstall_Result.txt"
      2⤵
      • Opens file in notepad (likely ransom note)
      PID:5544

Network

        MITRE ATT&CK Enterprise v16

        Replay Monitor

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        Downloads

        DriverInstall_Result.txt

        • Path C:\Users\Admin\AppData\Local\Temp\DriverInstall_Result.txt
        • Size 242B
        • SHA256 c2eefcc394068fa4824b6ee9ab84b42fbf8e880adcd51217f50373dfec11d4ed
        • MD5 SHA1 SHA512 TLSH

        DriverInstall_Result.txt

        • Path C:\Users\Admin\AppData\Local\Temp\DriverInstall_Result.txt
        • Size 242B
        • SHA256 f85bb03872760784ce54441d77023253646522aedc15d2860c3dbd3ddd0e8cfc
        • MD5 SHA1 SHA512 TLSH

        c_diskdrive.PNF

        • Path C:\Windows\INF\c_diskdrive.PNF
        • Size 6KB
        • SHA256 9cbc84b8e872d90b5fde0693806e567ae993ce21bbe73d25b9380fd851a9407f
        • MD5 SHA1 SHA512 SSDEEP TLSH

        c_display.PNF

        • Path C:\Windows\INF\c_display.PNF
        • Size 8KB
        • SHA256 a5da1472a6161a6a9fffc2815d00d6886f2d6bf2fb92da1acdf851d070d8c0fb
        • MD5 SHA1 SHA512 SSDEEP TLSH

        c_media.PNF

        • Path C:\Windows\INF\c_media.PNF
        • Size 12KB
        • SHA256 da233c63a0a6b0311c191e9e8852d2bc45bbc2c22c8f577a4fa28165296f5bd4
        • MD5 SHA1 SHA512 SSDEEP TLSH

        c_monitor.PNF

        • Path C:\Windows\INF\c_monitor.PNF
        • Size 9KB
        • SHA256 57f16a3a27f67eede7638347df700fe7227aa03813a1da934c7964b9a1b69a07
        • MD5 SHA1 SHA512 SSDEEP TLSH

        c_processor.PNF

        • Path C:\Windows\INF\c_processor.PNF
        • Size 5KB
        • SHA256 70eaa1e92e0a72bc44c6a210a7bbfecec69eaa615f3e502bf41c95e5df4c912f
        • MD5 SHA1 SHA512 SSDEEP TLSH

        c_volume.PNF

        • Path C:\Windows\INF\c_volume.PNF
        • Size 4KB
        • SHA256 bc2886a9d0428dbc00dc0b422b556e4b190662a5a3ee63a78217f884897b8c30
        • MD5 SHA1 SHA512 SSDEEP TLSH

        memory/2888-835-0x00007FF66E190000-0x00007FF66E227000-memory.dmp

        memory/2888-2305-0x00007FF66E190000-0x00007FF66E227000-memory.dmp

        memory/2888-197-0x00007FF66E190000-0x00007FF66E227000-memory.dmp

        memory/2888-1155-0x00007FF66E190000-0x00007FF66E227000-memory.dmp

        memory/2888-1475-0x00007FF66E190000-0x00007FF66E227000-memory.dmp

        memory/2888-1730-0x00007FF66E190000-0x00007FF66E227000-memory.dmp

        memory/2888-2050-0x00007FF66E190000-0x00007FF66E227000-memory.dmp

        memory/2888-580-0x00007FF66E190000-0x00007FF66E227000-memory.dmp

        memory/2888-2625-0x00007FF66E190000-0x00007FF66E227000-memory.dmp

        memory/2888-2880-0x00007FF66E190000-0x00007FF66E227000-memory.dmp

        memory/2888-3200-0x00007FF66E190000-0x00007FF66E227000-memory.dmp

        memory/2888-3455-0x00007FF66E190000-0x00007FF66E227000-memory.dmp

        memory/2888-3785-0x00007FF66E190000-0x00007FF66E227000-memory.dmp

        memory/2888-4030-0x00007FF66E190000-0x00007FF66E227000-memory.dmp