Analysis

  • max time kernel
    117s
  • max time network
    120s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    19/09/2024, 17:54

General

  • Target

    8304ea0c122589dc46c6a2ba03eaf62940aa0c1ac9739839a9ebaa43727f2697N.exe

  • Size

    397KB

  • MD5

    a9b48b27e35a10068dab58d13fdf0b00

  • SHA1

    98bff5989d1d6db4435f1da4efeffbbcf1bee631

  • SHA256

    8304ea0c122589dc46c6a2ba03eaf62940aa0c1ac9739839a9ebaa43727f2697

  • SHA512

    41695ae0b84f77a43fc86c9825511a8542e0796939a10280c609f9839f5ce08a53dd68f4f7895ffdef57434e638ae1d356612c25537c3d3144f6c8ed0bce0dd2

  • SSDEEP

    6144:oXEmWPDNND9yRPzLq+YXFqaZiMLic9kzVd7EAC4TSs9EiWp5U5ai2:zmWhND9yJz+b1FcMLmp2ATTSsdWp672

Malware Config

Extracted

Family

simda

Attributes
  • dga

    gatyfus.com

    lyvyxor.com

    vojyqem.com

    qetyfuv.com

    puvyxil.com

    gahyqah.com

    lyryfyd.com

    vocyzit.com

    qegyqaq.com

    purydyv.com

    gacyzuz.com

    lygymoj.com

    vowydef.com

    qexylup.com

    pufymoq.com

    gaqydeb.com

    lyxylux.com

    vofymik.com

    qeqysag.com

    puzylyp.com

    gadyniw.com

    lymysan.com

    volykyc.com

    qedynul.com

    pumypog.com

    galykes.com

    lysynur.com

    vonypom.com

    qekykev.com

    pupybul.com

Signatures

  • Modifies WinLogon for persistence 2 TTPs 1 IoCs
  • simda

    Simda is an infostealer written in C++.

  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 2 IoCs
  • Modifies WinLogon 2 TTPs 2 IoCs
  • Drops file in Windows directory 2 IoCs
  • System Location Discovery: System Language Discovery 1 TTPs 2 IoCs

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

  • Suspicious behavior: EnumeratesProcesses 61 IoCs
  • Suspicious behavior: RenamesItself 1 IoCs
  • Suspicious use of WriteProcessMemory 4 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\8304ea0c122589dc46c6a2ba03eaf62940aa0c1ac9739839a9ebaa43727f2697N.exe
    "C:\Users\Admin\AppData\Local\Temp\8304ea0c122589dc46c6a2ba03eaf62940aa0c1ac9739839a9ebaa43727f2697N.exe"
    1⤵
    • Loads dropped DLL
    • Modifies WinLogon
    • Drops file in Windows directory
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious behavior: RenamesItself
    • Suspicious use of WriteProcessMemory
    PID:2544
    • C:\Windows\apppatch\svchost.exe
      "C:\Windows\apppatch\svchost.exe"
      2⤵
      • Modifies WinLogon for persistence
      • Executes dropped EXE
      • Modifies WinLogon
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      PID:2652

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        • C:\Users\Admin\AppData\Local\Temp\ED74.tmp

          Filesize

          2KB

          MD5

          8b02ce7de4d1479204d79e239784fa3d

          SHA1

          8874ff25d4f856972784644b97aed636f1450147

          SHA256

          a4236c08ae6e1801a7ef32ff6ba1f0a64175ce6e751e9ab169fcef58b71ccb7d

          SHA512

          2236b337d3955f78d1b4bb61bfc177d62a980db49134e3e23d6881152e8e410c785930a8631036e58f88206d35f5726de29d40117e307670dff3dba17eb85f7b

        • \Windows\AppPatch\svchost.exe

          Filesize

          397KB

          MD5

          fb4c0e154913217f3471bda1cac3f8e0

          SHA1

          3b82a4ca82fc322a10b8f2292ea41d55f93b776d

          SHA256

          0b41ba37c57a446748a836655641a5ef27bef8a373b7ed8cf3ca9c8786fdb945

          SHA512

          7c03aeb10292ee82e260f288c9015a3b9c82b61ef5b758ad262b8f9b6a0994c60e9eb8cab180c55985d378d65a6fec400727ff24818ca00ae55126de0f5ec21f

        • memory/2544-13-0x0000000000400000-0x0000000000465000-memory.dmp

          Filesize

          404KB

        • memory/2652-14-0x00000000021A0000-0x0000000002248000-memory.dmp

          Filesize

          672KB

        • memory/2652-24-0x00000000021A0000-0x0000000002248000-memory.dmp

          Filesize

          672KB

        • memory/2652-22-0x00000000021A0000-0x0000000002248000-memory.dmp

          Filesize

          672KB

        • memory/2652-20-0x00000000021A0000-0x0000000002248000-memory.dmp

          Filesize

          672KB

        • memory/2652-18-0x00000000021A0000-0x0000000002248000-memory.dmp

          Filesize

          672KB

        • memory/2652-16-0x00000000021A0000-0x0000000002248000-memory.dmp

          Filesize

          672KB

        • memory/2652-30-0x0000000002350000-0x0000000002406000-memory.dmp

          Filesize

          728KB

        • memory/2652-29-0x0000000002350000-0x0000000002406000-memory.dmp

          Filesize

          728KB

        • memory/2652-27-0x0000000002350000-0x0000000002406000-memory.dmp

          Filesize

          728KB

        • memory/2652-38-0x0000000002350000-0x0000000002406000-memory.dmp

          Filesize

          728KB

        • memory/2652-46-0x0000000002350000-0x0000000002406000-memory.dmp

          Filesize

          728KB

        • memory/2652-61-0x0000000002350000-0x0000000002406000-memory.dmp

          Filesize

          728KB

        • memory/2652-65-0x0000000002350000-0x0000000002406000-memory.dmp

          Filesize

          728KB

        • memory/2652-64-0x0000000002350000-0x0000000002406000-memory.dmp

          Filesize

          728KB

        • memory/2652-63-0x0000000002350000-0x0000000002406000-memory.dmp

          Filesize

          728KB

        • memory/2652-62-0x0000000002350000-0x0000000002406000-memory.dmp

          Filesize

          728KB

        • memory/2652-60-0x0000000002350000-0x0000000002406000-memory.dmp

          Filesize

          728KB

        • memory/2652-59-0x0000000002350000-0x0000000002406000-memory.dmp

          Filesize

          728KB

        • memory/2652-58-0x0000000002350000-0x0000000002406000-memory.dmp

          Filesize

          728KB

        • memory/2652-57-0x0000000002350000-0x0000000002406000-memory.dmp

          Filesize

          728KB

        • memory/2652-56-0x0000000002350000-0x0000000002406000-memory.dmp

          Filesize

          728KB

        • memory/2652-55-0x0000000002350000-0x0000000002406000-memory.dmp

          Filesize

          728KB

        • memory/2652-54-0x0000000002350000-0x0000000002406000-memory.dmp

          Filesize

          728KB

        • memory/2652-53-0x0000000002350000-0x0000000002406000-memory.dmp

          Filesize

          728KB

        • memory/2652-52-0x0000000002350000-0x0000000002406000-memory.dmp

          Filesize

          728KB

        • memory/2652-51-0x0000000002350000-0x0000000002406000-memory.dmp

          Filesize

          728KB

        • memory/2652-50-0x0000000002350000-0x0000000002406000-memory.dmp

          Filesize

          728KB

        • memory/2652-49-0x0000000002350000-0x0000000002406000-memory.dmp

          Filesize

          728KB

        • memory/2652-48-0x0000000002350000-0x0000000002406000-memory.dmp

          Filesize

          728KB

        • memory/2652-47-0x0000000002350000-0x0000000002406000-memory.dmp

          Filesize

          728KB

        • memory/2652-45-0x0000000002350000-0x0000000002406000-memory.dmp

          Filesize

          728KB

        • memory/2652-44-0x0000000002350000-0x0000000002406000-memory.dmp

          Filesize

          728KB

        • memory/2652-43-0x0000000002350000-0x0000000002406000-memory.dmp

          Filesize

          728KB

        • memory/2652-42-0x0000000002350000-0x0000000002406000-memory.dmp

          Filesize

          728KB

        • memory/2652-41-0x0000000002350000-0x0000000002406000-memory.dmp

          Filesize

          728KB

        • memory/2652-40-0x0000000002350000-0x0000000002406000-memory.dmp

          Filesize

          728KB

        • memory/2652-39-0x0000000002350000-0x0000000002406000-memory.dmp

          Filesize

          728KB

        • memory/2652-32-0x0000000002350000-0x0000000002406000-memory.dmp

          Filesize

          728KB

        • memory/2652-37-0x0000000002350000-0x0000000002406000-memory.dmp

          Filesize

          728KB

        • memory/2652-36-0x0000000002350000-0x0000000002406000-memory.dmp

          Filesize

          728KB

        • memory/2652-35-0x0000000002350000-0x0000000002406000-memory.dmp

          Filesize

          728KB

        • memory/2652-34-0x0000000002350000-0x0000000002406000-memory.dmp

          Filesize

          728KB

        • memory/2652-33-0x0000000002350000-0x0000000002406000-memory.dmp

          Filesize

          728KB

        • memory/2652-67-0x0000000002350000-0x0000000002406000-memory.dmp

          Filesize

          728KB

        • memory/2652-78-0x0000000002350000-0x0000000002406000-memory.dmp

          Filesize

          728KB

        • memory/2652-77-0x0000000002350000-0x0000000002406000-memory.dmp

          Filesize

          728KB

        • memory/2652-76-0x0000000002350000-0x0000000002406000-memory.dmp

          Filesize

          728KB

        • memory/2652-75-0x0000000002350000-0x0000000002406000-memory.dmp

          Filesize

          728KB

        • memory/2652-74-0x0000000002350000-0x0000000002406000-memory.dmp

          Filesize

          728KB

        • memory/2652-73-0x0000000002350000-0x0000000002406000-memory.dmp

          Filesize

          728KB

        • memory/2652-72-0x0000000002350000-0x0000000002406000-memory.dmp

          Filesize

          728KB

        • memory/2652-71-0x0000000002350000-0x0000000002406000-memory.dmp

          Filesize

          728KB

        • memory/2652-70-0x0000000002350000-0x0000000002406000-memory.dmp

          Filesize

          728KB

        • memory/2652-68-0x0000000002350000-0x0000000002406000-memory.dmp

          Filesize

          728KB

        • memory/2652-66-0x0000000002350000-0x0000000002406000-memory.dmp

          Filesize

          728KB

        • memory/2652-69-0x0000000002350000-0x0000000002406000-memory.dmp

          Filesize

          728KB

        • memory/2652-150-0x0000000002350000-0x0000000002406000-memory.dmp

          Filesize

          728KB