Analysis

  • max time kernel
    120s
  • max time network
    125s
  • platform
    windows7_x64
  • resource
    win7-20241010-en
  • resource tags

    arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system
  • submitted
    31/12/2024, 17:24

General

  • Target

    4e4fd475fb3745332eec28ef818797001cc1bdd6c3f35420d5d41f4b719f264b.exe

  • Size

    208KB

  • MD5

    dd0b1380eeb4d08b0a16b01fb2382b24

  • SHA1

    598e15c6acf3db04d5075948ec7ec8a241317bfb

  • SHA256

    4e4fd475fb3745332eec28ef818797001cc1bdd6c3f35420d5d41f4b719f264b

  • SHA512

    fefa1bccdd17a1c4b72c903d45aa3aa3e8d16e0e66f9da232f9e3cc4a9b034a54ef6dd021a437762c46c4105c395bbba6920b82440307f6c03ea601ea9809608

  • SSDEEP

    6144:iZWia9ubuBsyGvMwlvaB8Mi5vz9IGePA+hq56:gquCuygMQjd5vJIBP1p

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

  • Simda family
  • simda

    Simda is an infostealer written in C++.

  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 2 IoCs
  • Modifies WinLogon 2 TTPs 1 IoCs
  • Drops file in Program Files directory 15 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.

  • Modifies registry class 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 1 IoCs
  • Suspicious behavior: RenamesItself 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 4 IoCs
  • Suspicious use of WriteProcessMemory 4 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\4e4fd475fb3745332eec28ef818797001cc1bdd6c3f35420d5d41f4b719f264b.exe
    "C:\Users\Admin\AppData\Local\Temp\4e4fd475fb3745332eec28ef818797001cc1bdd6c3f35420d5d41f4b719f264b.exe"
    1⤵
    • Loads dropped DLL
    • Modifies WinLogon
    • Drops file in Windows directory
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: RenamesItself
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2412
    • C:\Windows\apppatch\svchost.exe
      "C:\Windows\apppatch\svchost.exe"
      2⤵
      • Executes dropped EXE
      • Drops file in Program Files directory
      • System Location Discovery: System Language Discovery
      • Modifies registry class
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2772

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        • C:\Users\Admin\AppData\Local\Microsoft\Windows\Temporary Internet Files\Low\Content.IE5\O9QLDLRA\login[1].htm

          Filesize

          162B

          MD5

          4f8e702cc244ec5d4de32740c0ecbd97

          SHA1

          3adb1f02d5b6054de0046e367c1d687b6cdf7aff

          SHA256

          9e17cb15dd75bbbd5dbb984eda674863c3b10ab72613cf8a39a00c3e11a8492a

          SHA512

          21047fea5269fee75a2a187aa09316519e35068cb2f2f76cfaf371e5224445e9d5c98497bd76fb9608d2b73e9dac1a3f5bfadfdc4623c479d53ecf93d81d3c9f

        • \Windows\AppPatch\svchost.exe

          Filesize

          208KB

          MD5

          015aa94ac4e4310bc6ecb5eaa04b2a31

          SHA1

          47dee620e8940adbb7a50a2b3a19b79f874ca76f

          SHA256

          170755d95c4334cb76181874b660b06e83ba83693c7b6b4b0eb664a9d36974ab

          SHA512

          8aa50f8d431163f38dc453d057d83088bea3aedadfbd331bc17a71d2564dc531fa3783c6dfda72630f5e7322f16429550fcd9723f543ba194871c7ff99fe3d2f

        • memory/2412-0-0x0000000000400000-0x000000000048D000-memory.dmp

          Filesize

          564KB

        • memory/2412-1-0x0000000000230000-0x0000000000282000-memory.dmp

          Filesize

          328KB

        • memory/2412-2-0x0000000000400000-0x000000000045F000-memory.dmp

          Filesize

          380KB

        • memory/2412-21-0x0000000000400000-0x000000000045F000-memory.dmp

          Filesize

          380KB

        • memory/2412-20-0x0000000000230000-0x0000000000282000-memory.dmp

          Filesize

          328KB

        • memory/2412-19-0x0000000000400000-0x000000000048D000-memory.dmp

          Filesize

          564KB

        • memory/2772-18-0x0000000000400000-0x000000000048D000-memory.dmp

          Filesize

          564KB

        • memory/2772-22-0x0000000000400000-0x000000000048D000-memory.dmp

          Filesize

          564KB

        • memory/2772-23-0x0000000000400000-0x000000000048D000-memory.dmp

          Filesize

          564KB

        • memory/2772-28-0x0000000001E30000-0x0000000001EDA000-memory.dmp

          Filesize

          680KB

        • memory/2772-32-0x0000000001E30000-0x0000000001EDA000-memory.dmp

          Filesize

          680KB

        • memory/2772-30-0x0000000001E30000-0x0000000001EDA000-memory.dmp

          Filesize

          680KB

        • memory/2772-26-0x0000000001E30000-0x0000000001EDA000-memory.dmp

          Filesize

          680KB

        • memory/2772-24-0x0000000001E30000-0x0000000001EDA000-memory.dmp

          Filesize

          680KB

        • memory/2772-34-0x0000000001E30000-0x0000000001EDA000-memory.dmp

          Filesize

          680KB

        • memory/2772-35-0x0000000000400000-0x000000000048D000-memory.dmp

          Filesize

          564KB

        • memory/2772-38-0x0000000002420000-0x00000000024D7000-memory.dmp

          Filesize

          732KB

        • memory/2772-36-0x0000000002420000-0x00000000024D7000-memory.dmp

          Filesize

          732KB

        • memory/2772-40-0x0000000002420000-0x00000000024D7000-memory.dmp

          Filesize

          732KB

        • memory/2772-71-0x0000000002420000-0x00000000024D7000-memory.dmp

          Filesize

          732KB

        • memory/2772-74-0x0000000002420000-0x00000000024D7000-memory.dmp

          Filesize

          732KB

        • memory/2772-86-0x0000000002420000-0x00000000024D7000-memory.dmp

          Filesize

          732KB

        • memory/2772-85-0x0000000002420000-0x00000000024D7000-memory.dmp

          Filesize

          732KB

        • memory/2772-84-0x0000000002420000-0x00000000024D7000-memory.dmp

          Filesize

          732KB

        • memory/2772-83-0x0000000002420000-0x00000000024D7000-memory.dmp

          Filesize

          732KB

        • memory/2772-82-0x0000000002420000-0x00000000024D7000-memory.dmp

          Filesize

          732KB

        • memory/2772-81-0x0000000002420000-0x00000000024D7000-memory.dmp

          Filesize

          732KB

        • memory/2772-79-0x0000000002420000-0x00000000024D7000-memory.dmp

          Filesize

          732KB

        • memory/2772-78-0x0000000002420000-0x00000000024D7000-memory.dmp

          Filesize

          732KB

        • memory/2772-77-0x0000000002420000-0x00000000024D7000-memory.dmp

          Filesize

          732KB

        • memory/2772-76-0x0000000002420000-0x00000000024D7000-memory.dmp

          Filesize

          732KB

        • memory/2772-75-0x0000000002420000-0x00000000024D7000-memory.dmp

          Filesize

          732KB

        • memory/2772-73-0x0000000002420000-0x00000000024D7000-memory.dmp

          Filesize

          732KB

        • memory/2772-72-0x0000000002420000-0x00000000024D7000-memory.dmp

          Filesize

          732KB

        • memory/2772-70-0x0000000002420000-0x00000000024D7000-memory.dmp

          Filesize

          732KB

        • memory/2772-69-0x0000000002420000-0x00000000024D7000-memory.dmp

          Filesize

          732KB

        • memory/2772-68-0x0000000002420000-0x00000000024D7000-memory.dmp

          Filesize

          732KB

        • memory/2772-67-0x0000000002420000-0x00000000024D7000-memory.dmp

          Filesize

          732KB

        • memory/2772-66-0x0000000002420000-0x00000000024D7000-memory.dmp

          Filesize

          732KB

        • memory/2772-64-0x0000000002420000-0x00000000024D7000-memory.dmp

          Filesize

          732KB

        • memory/2772-63-0x0000000002420000-0x00000000024D7000-memory.dmp

          Filesize

          732KB

        • memory/2772-62-0x0000000002420000-0x00000000024D7000-memory.dmp

          Filesize

          732KB

        • memory/2772-61-0x0000000002420000-0x00000000024D7000-memory.dmp

          Filesize

          732KB

        • memory/2772-60-0x0000000002420000-0x00000000024D7000-memory.dmp

          Filesize

          732KB

        • memory/2772-59-0x0000000002420000-0x00000000024D7000-memory.dmp

          Filesize

          732KB

        • memory/2772-58-0x0000000002420000-0x00000000024D7000-memory.dmp

          Filesize

          732KB

        • memory/2772-57-0x0000000002420000-0x00000000024D7000-memory.dmp

          Filesize

          732KB

        • memory/2772-56-0x0000000002420000-0x00000000024D7000-memory.dmp

          Filesize

          732KB

        • memory/2772-55-0x0000000002420000-0x00000000024D7000-memory.dmp

          Filesize

          732KB

        • memory/2772-54-0x0000000002420000-0x00000000024D7000-memory.dmp

          Filesize

          732KB

        • memory/2772-53-0x0000000002420000-0x00000000024D7000-memory.dmp

          Filesize

          732KB

        • memory/2772-52-0x0000000002420000-0x00000000024D7000-memory.dmp

          Filesize

          732KB

        • memory/2772-51-0x0000000002420000-0x00000000024D7000-memory.dmp

          Filesize

          732KB

        • memory/2772-50-0x0000000002420000-0x00000000024D7000-memory.dmp

          Filesize

          732KB

        • memory/2772-49-0x0000000002420000-0x00000000024D7000-memory.dmp

          Filesize

          732KB

        • memory/2772-48-0x0000000002420000-0x00000000024D7000-memory.dmp

          Filesize

          732KB

        • memory/2772-46-0x0000000002420000-0x00000000024D7000-memory.dmp

          Filesize

          732KB

        • memory/2772-45-0x0000000002420000-0x00000000024D7000-memory.dmp

          Filesize

          732KB

        • memory/2772-44-0x0000000002420000-0x00000000024D7000-memory.dmp

          Filesize

          732KB

        • memory/2772-43-0x0000000002420000-0x00000000024D7000-memory.dmp

          Filesize

          732KB

        • memory/2772-80-0x0000000002420000-0x00000000024D7000-memory.dmp

          Filesize

          732KB

        • memory/2772-65-0x0000000002420000-0x00000000024D7000-memory.dmp

          Filesize

          732KB

        • memory/2772-47-0x0000000002420000-0x00000000024D7000-memory.dmp

          Filesize

          732KB

        • memory/2772-42-0x0000000002420000-0x00000000024D7000-memory.dmp

          Filesize

          732KB