Analysis

  • max time kernel
    150s
  • max time network
    149s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    25/09/2024, 20:57

General

  • Target

    47ae2f954bdd1bb145271f717531c6aeb133936d92b9e6a94219fe0f74676f9e.exe

  • Size

    2.1MB

  • MD5

    a0535458543a549e1b70f1b11a6c3046

  • SHA1

    2199c6ae8417504a88414df68f842cd500de59c9

  • SHA256

    47ae2f954bdd1bb145271f717531c6aeb133936d92b9e6a94219fe0f74676f9e

  • SHA512

    5238b65736c5148718e742df03801d07a4a6da5e37f9973f0276db3d69ded8548129e9dd97d141c5478ef5a0755848ab11b51fa2effa5af2409bcb4a6a7af443

  • SSDEEP

    24576:hpo/2+ttPJLfpRK3C1Slt78Yt78k/eXV6KIv0gE4MMqbb0uoJbLO1xfvMeHININq:ge2PJLa3C1W7v7Ve4L44KQucbLO/0cq

Malware Config

Signatures

  • Modifies WinLogon for persistence 2 TTPs 1 IoCs
  • Disables RegEdit via registry modification 1 IoCs
  • Disables Task Manager via registry modification
  • Adds Run key to start application 2 TTPs 1 IoCs
  • Enumerates connected drives 3 TTPs 23 IoCs

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

  • AutoIT Executable 3 IoCs

    AutoIT scripts compiled to PE executables.

  • Drops autorun.inf file 1 TTPs 3 IoCs

    Malware can abuse Windows Autorun to spread further via attached volumes.

  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • System Location Discovery: System Language Discovery 1 TTPs 9 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Modifies Internet Explorer settings 1 TTPs 5 IoCs
  • Modifies Internet Explorer start page 1 TTPs 2 IoCs
  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious use of WriteProcessMemory 24 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\47ae2f954bdd1bb145271f717531c6aeb133936d92b9e6a94219fe0f74676f9e.exe
    "C:\Users\Admin\AppData\Local\Temp\47ae2f954bdd1bb145271f717531c6aeb133936d92b9e6a94219fe0f74676f9e.exe"
    1⤵
    • Modifies WinLogon for persistence
    • Disables RegEdit via registry modification
    • Adds Run key to start application
    • Enumerates connected drives
    • Drops autorun.inf file
    • System Location Discovery: System Language Discovery
    • Modifies Internet Explorer settings
    • Modifies Internet Explorer start page
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of WriteProcessMemory
    PID:620
    • C:\Windows\SysWOW64\cmd.exe
      C:\Windows\system32\cmd.exe /C AT /delete /yes
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:3960
      • C:\Windows\SysWOW64\at.exe
        AT /delete /yes
        3⤵
        • System Location Discovery: System Language Discovery
        PID:4900
    • C:\Windows\SysWOW64\cmd.exe
      C:\Windows\system32\cmd.exe /C AT 09:00 /interactive /EVERY:m,t,w,th,f,s,su C:\Users\Admin\Desktop\system3_.exe
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:460
      • C:\Windows\SysWOW64\at.exe
        AT 09:00 /interactive /EVERY:m,t,w,th,f,s,su C:\Users\Admin\Desktop\system3_.exe
        3⤵
        • System Location Discovery: System Language Discovery
        PID:4036
    • C:\Windows\SysWOW64\cmd.exe
      C:\Windows\system32\cmd.exe /C cacls "C:\system volume information" /e /g "Admin":f
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:768
      • C:\Windows\SysWOW64\cacls.exe
        cacls "C:\system volume information" /e /g "Admin":f
        3⤵
        • System Location Discovery: System Language Discovery
        PID:1804
    • C:\Windows\SysWOW64\cmd.exe
      C:\Windows\system32\cmd.exe /C cacls "C:\system volume information" /e /g "Admin":f
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:2408
      • C:\Windows\SysWOW64\cacls.exe
        cacls "C:\system volume information" /e /g "Admin":f
        3⤵
        • System Location Discovery: System Language Discovery
        PID:1080

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

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        Downloads

        • C:\Users\Admin\Desktop\autorun.ini

          Filesize

          102B

          MD5

          948c74cd98911b420ff89dac13399bcb

          SHA1

          76dfc73518f003953923b1b4f2b973f4bb56a411

          SHA256

          94a1ac3d574425ec8a3cc01675e4d787373d2a190dddd4f8ba507c49ca3fd42a

          SHA512

          b31d82ede9d48e390a50a9dcf5c4c607c62638e8bc56f473250f9a56b7967d5de948abed69bbb2c35eb0112288faa5c438316b06ccbb36d289e93952b30e2ede

        • C:\Users\Admin\Desktop\system3_.exe

          Filesize

          2.1MB

          MD5

          a0535458543a549e1b70f1b11a6c3046

          SHA1

          2199c6ae8417504a88414df68f842cd500de59c9

          SHA256

          47ae2f954bdd1bb145271f717531c6aeb133936d92b9e6a94219fe0f74676f9e

          SHA512

          5238b65736c5148718e742df03801d07a4a6da5e37f9973f0276db3d69ded8548129e9dd97d141c5478ef5a0755848ab11b51fa2effa5af2409bcb4a6a7af443

        • memory/620-0-0x0000000000400000-0x0000000000511000-memory.dmp

          Filesize

          1.1MB

        • memory/620-30-0x0000000000400000-0x0000000000511000-memory.dmp

          Filesize

          1.1MB