Analysis

  • max time kernel
    375s
  • max time network
    437s
  • platform
    windows10-1703_x64
  • resource
    win10-20220812-en
  • resource tags

    arch:x64arch:x86image:win10-20220812-enlocale:en-usos:windows10-1703-x64system
  • submitted
    08/02/2023, 20:35

General

  • Target

    putty.dll

  • Size

    344KB

  • MD5

    a4ed3d213af08f77fa8db0f1e04185fa

  • SHA1

    0501225f9347d61de2e3df21817a9f189c0dd76f

  • SHA256

    6991f1ee5f7b004d2d6ca5a166316b5f533907b13b767b6c390704aa78b36c21

  • SHA512

    25cf7599cd2ea580bfbaa6ad4bff44b6caa163a19701837f3ecab89b98120b1f953f9ef6ff64fcbbcaca0a137006b97e5ef8566bb3725b9fea835a4389817c12

  • SSDEEP

    6144:68HwSJZ88IKeVSi5CHvJITRTcKY+UC6vmtmHkRCfDg6vlIDAtYf3FawrI159A5:68HwSJG83i5CPqTCKY+cOOMAtYfweu5I

Score
3/10

Malware Config

Signatures

  • Program crash 1 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Windows\system32\rundll32.exe
    rundll32.exe C:\Users\Admin\AppData\Local\Temp\putty.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:2208
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\putty.dll,#1
      2⤵
        PID:2392
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 2392 -s 636
          3⤵
          • Program crash
          PID:5104

    Network

    MITRE ATT&CK Matrix

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • memory/2392-121-0x0000000077540000-0x00000000776CE000-memory.dmp

      Filesize

      1.6MB

    • memory/2392-122-0x0000000077540000-0x00000000776CE000-memory.dmp

      Filesize

      1.6MB

    • memory/2392-123-0x0000000077540000-0x00000000776CE000-memory.dmp

      Filesize

      1.6MB

    • memory/2392-124-0x0000000077540000-0x00000000776CE000-memory.dmp

      Filesize

      1.6MB

    • memory/2392-125-0x0000000077540000-0x00000000776CE000-memory.dmp

      Filesize

      1.6MB

    • memory/2392-126-0x0000000077540000-0x00000000776CE000-memory.dmp

      Filesize

      1.6MB

    • memory/2392-127-0x0000000077540000-0x00000000776CE000-memory.dmp

      Filesize

      1.6MB

    • memory/2392-128-0x0000000077540000-0x00000000776CE000-memory.dmp

      Filesize

      1.6MB

    • memory/2392-129-0x0000000077540000-0x00000000776CE000-memory.dmp

      Filesize

      1.6MB

    • memory/2392-130-0x0000000077540000-0x00000000776CE000-memory.dmp

      Filesize

      1.6MB

    • memory/2392-131-0x0000000077540000-0x00000000776CE000-memory.dmp

      Filesize

      1.6MB

    • memory/2392-132-0x0000000077540000-0x00000000776CE000-memory.dmp

      Filesize

      1.6MB

    • memory/2392-133-0x0000000077540000-0x00000000776CE000-memory.dmp

      Filesize

      1.6MB

    • memory/2392-134-0x0000000077540000-0x00000000776CE000-memory.dmp

      Filesize

      1.6MB

    • memory/2392-135-0x0000000077540000-0x00000000776CE000-memory.dmp

      Filesize

      1.6MB

    • memory/2392-136-0x0000000077540000-0x00000000776CE000-memory.dmp

      Filesize

      1.6MB

    • memory/2392-137-0x0000000077540000-0x00000000776CE000-memory.dmp

      Filesize

      1.6MB

    • memory/2392-138-0x0000000077540000-0x00000000776CE000-memory.dmp

      Filesize

      1.6MB

    • memory/2392-139-0x0000000077540000-0x00000000776CE000-memory.dmp

      Filesize

      1.6MB

    • memory/2392-140-0x0000000077540000-0x00000000776CE000-memory.dmp

      Filesize

      1.6MB

    • memory/2392-141-0x0000000077540000-0x00000000776CE000-memory.dmp

      Filesize

      1.6MB

    • memory/2392-142-0x0000000077540000-0x00000000776CE000-memory.dmp

      Filesize

      1.6MB

    • memory/2392-143-0x0000000077540000-0x00000000776CE000-memory.dmp

      Filesize

      1.6MB

    • memory/2392-144-0x0000000077540000-0x00000000776CE000-memory.dmp

      Filesize

      1.6MB

    • memory/2392-145-0x0000000077540000-0x00000000776CE000-memory.dmp

      Filesize

      1.6MB

    • memory/2392-147-0x0000000077540000-0x00000000776CE000-memory.dmp

      Filesize

      1.6MB

    • memory/2392-146-0x0000000077540000-0x00000000776CE000-memory.dmp

      Filesize

      1.6MB

    • memory/2392-148-0x0000000077540000-0x00000000776CE000-memory.dmp

      Filesize

      1.6MB

    • memory/2392-149-0x0000000077540000-0x00000000776CE000-memory.dmp

      Filesize

      1.6MB

    • memory/2392-150-0x0000000077540000-0x00000000776CE000-memory.dmp

      Filesize

      1.6MB

    • memory/2392-151-0x0000000077540000-0x00000000776CE000-memory.dmp

      Filesize

      1.6MB

    • memory/2392-152-0x0000000077540000-0x00000000776CE000-memory.dmp

      Filesize

      1.6MB

    • memory/2392-153-0x0000000077540000-0x00000000776CE000-memory.dmp

      Filesize

      1.6MB

    • memory/2392-154-0x0000000077540000-0x00000000776CE000-memory.dmp

      Filesize

      1.6MB

    • memory/2392-155-0x0000000077540000-0x00000000776CE000-memory.dmp

      Filesize

      1.6MB

    • memory/2392-156-0x0000000077540000-0x00000000776CE000-memory.dmp

      Filesize

      1.6MB

    • memory/2392-157-0x0000000077540000-0x00000000776CE000-memory.dmp

      Filesize

      1.6MB

    • memory/2392-158-0x0000000077540000-0x00000000776CE000-memory.dmp

      Filesize

      1.6MB

    • memory/2392-159-0x0000000077540000-0x00000000776CE000-memory.dmp

      Filesize

      1.6MB

    • memory/2392-160-0x0000000077540000-0x00000000776CE000-memory.dmp

      Filesize

      1.6MB

    • memory/2392-161-0x0000000077540000-0x00000000776CE000-memory.dmp

      Filesize

      1.6MB

    • memory/2392-162-0x0000000077540000-0x00000000776CE000-memory.dmp

      Filesize

      1.6MB

    • memory/2392-163-0x0000000077540000-0x00000000776CE000-memory.dmp

      Filesize

      1.6MB

    • memory/2392-164-0x0000000077540000-0x00000000776CE000-memory.dmp

      Filesize

      1.6MB

    • memory/2392-165-0x0000000077540000-0x00000000776CE000-memory.dmp

      Filesize

      1.6MB