Analysis

  • max time kernel
    118s
  • 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, 16:36

General

  • Target

    ae10539be2dd6dc9839429e64adec83d63369d4a7fbfb61d058079039d6b87afN.exe

  • Size

    212KB

  • MD5

    33498ef0baa085221022f9b549b520d0

  • SHA1

    fcdecbf94ce0245dcadfd0e85836a907fb4e560c

  • SHA256

    ae10539be2dd6dc9839429e64adec83d63369d4a7fbfb61d058079039d6b87af

  • SHA512

    ba54cf514074b076b8cafb54d03887eb6e5dd65cf5cf75aa362195a1d4c20dd9a65ea5aacb11d3908dc1c8ef77a9416c0a1c3246c1401a26e7c3bdfc75587138

  • SSDEEP

    6144:pxNqLW6opBZMU/y/JEGjg+op2BSNCCr7/jU:fA6NBT/yEGjWwa7vU

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

    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 8 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\ae10539be2dd6dc9839429e64adec83d63369d4a7fbfb61d058079039d6b87afN.exe
    "C:\Users\Admin\AppData\Local\Temp\ae10539be2dd6dc9839429e64adec83d63369d4a7fbfb61d058079039d6b87afN.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:2508
    • 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:2524

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        • C:\Windows\AppPatch\svchost.exe

          Filesize

          212KB

          MD5

          69e66f3a7845d63e45f4e062bc0234ba

          SHA1

          820db5dd252e7f8285f85826645851dbb8774ed5

          SHA256

          78fb4c2ce190eec465a0b014167ebee061a34ffb536b8cf5b46b5e40acad9e58

          SHA512

          5a13e3049a8a819ec7ec7b163f6f12640d1e1c8b7da83897b2756afa81f06d27fcce9928fb95582a3a2f1aead844221529fe64147a635a54c22870dda0a98493

        • memory/2508-0-0x0000000000220000-0x0000000000272000-memory.dmp

          Filesize

          328KB

        • memory/2508-1-0x0000000000400000-0x000000000045F000-memory.dmp

          Filesize

          380KB

        • memory/2508-17-0x0000000000400000-0x000000000049A000-memory.dmp

          Filesize

          616KB

        • memory/2508-19-0x0000000000400000-0x000000000045F000-memory.dmp

          Filesize

          380KB

        • memory/2508-18-0x0000000000220000-0x0000000000272000-memory.dmp

          Filesize

          328KB

        • memory/2524-20-0x0000000000400000-0x000000000049A000-memory.dmp

          Filesize

          616KB

        • memory/2524-21-0x0000000000400000-0x000000000049A000-memory.dmp

          Filesize

          616KB

        • memory/2524-22-0x0000000002390000-0x000000000243A000-memory.dmp

          Filesize

          680KB

        • memory/2524-30-0x0000000002390000-0x000000000243A000-memory.dmp

          Filesize

          680KB

        • memory/2524-32-0x0000000002390000-0x000000000243A000-memory.dmp

          Filesize

          680KB

        • memory/2524-28-0x0000000002390000-0x000000000243A000-memory.dmp

          Filesize

          680KB

        • memory/2524-33-0x0000000000400000-0x000000000049A000-memory.dmp

          Filesize

          616KB

        • memory/2524-26-0x0000000002390000-0x000000000243A000-memory.dmp

          Filesize

          680KB

        • memory/2524-24-0x0000000002390000-0x000000000243A000-memory.dmp

          Filesize

          680KB

        • memory/2524-34-0x0000000002540000-0x00000000025F7000-memory.dmp

          Filesize

          732KB

        • memory/2524-39-0x0000000002540000-0x00000000025F7000-memory.dmp

          Filesize

          732KB

        • memory/2524-36-0x0000000002540000-0x00000000025F7000-memory.dmp

          Filesize

          732KB

        • memory/2524-44-0x0000000002540000-0x00000000025F7000-memory.dmp

          Filesize

          732KB

        • memory/2524-46-0x0000000002540000-0x00000000025F7000-memory.dmp

          Filesize

          732KB

        • memory/2524-86-0x0000000002540000-0x00000000025F7000-memory.dmp

          Filesize

          732KB

        • memory/2524-85-0x0000000002540000-0x00000000025F7000-memory.dmp

          Filesize

          732KB

        • memory/2524-84-0x0000000002540000-0x00000000025F7000-memory.dmp

          Filesize

          732KB

        • memory/2524-82-0x0000000002540000-0x00000000025F7000-memory.dmp

          Filesize

          732KB

        • memory/2524-81-0x0000000002540000-0x00000000025F7000-memory.dmp

          Filesize

          732KB

        • memory/2524-80-0x0000000002540000-0x00000000025F7000-memory.dmp

          Filesize

          732KB

        • memory/2524-79-0x0000000002540000-0x00000000025F7000-memory.dmp

          Filesize

          732KB

        • memory/2524-78-0x0000000002540000-0x00000000025F7000-memory.dmp

          Filesize

          732KB

        • memory/2524-77-0x0000000002540000-0x00000000025F7000-memory.dmp

          Filesize

          732KB

        • memory/2524-76-0x0000000002540000-0x00000000025F7000-memory.dmp

          Filesize

          732KB

        • memory/2524-75-0x0000000002540000-0x00000000025F7000-memory.dmp

          Filesize

          732KB

        • memory/2524-74-0x0000000002540000-0x00000000025F7000-memory.dmp

          Filesize

          732KB

        • memory/2524-73-0x0000000002540000-0x00000000025F7000-memory.dmp

          Filesize

          732KB

        • memory/2524-72-0x0000000002540000-0x00000000025F7000-memory.dmp

          Filesize

          732KB

        • memory/2524-71-0x0000000002540000-0x00000000025F7000-memory.dmp

          Filesize

          732KB

        • memory/2524-70-0x0000000002540000-0x00000000025F7000-memory.dmp

          Filesize

          732KB

        • memory/2524-68-0x0000000002540000-0x00000000025F7000-memory.dmp

          Filesize

          732KB

        • memory/2524-67-0x0000000002540000-0x00000000025F7000-memory.dmp

          Filesize

          732KB

        • memory/2524-66-0x0000000002540000-0x00000000025F7000-memory.dmp

          Filesize

          732KB

        • memory/2524-65-0x0000000002540000-0x00000000025F7000-memory.dmp

          Filesize

          732KB

        • memory/2524-64-0x0000000002540000-0x00000000025F7000-memory.dmp

          Filesize

          732KB

        • memory/2524-63-0x0000000002540000-0x00000000025F7000-memory.dmp

          Filesize

          732KB

        • memory/2524-62-0x0000000002540000-0x00000000025F7000-memory.dmp

          Filesize

          732KB

        • memory/2524-61-0x0000000002540000-0x00000000025F7000-memory.dmp

          Filesize

          732KB

        • memory/2524-60-0x0000000002540000-0x00000000025F7000-memory.dmp

          Filesize

          732KB

        • memory/2524-59-0x0000000002540000-0x00000000025F7000-memory.dmp

          Filesize

          732KB

        • memory/2524-58-0x0000000002540000-0x00000000025F7000-memory.dmp

          Filesize

          732KB

        • memory/2524-56-0x0000000002540000-0x00000000025F7000-memory.dmp

          Filesize

          732KB

        • memory/2524-55-0x0000000002540000-0x00000000025F7000-memory.dmp

          Filesize

          732KB

        • memory/2524-54-0x0000000002540000-0x00000000025F7000-memory.dmp

          Filesize

          732KB

        • memory/2524-53-0x0000000002540000-0x00000000025F7000-memory.dmp

          Filesize

          732KB

        • memory/2524-52-0x0000000002540000-0x00000000025F7000-memory.dmp

          Filesize

          732KB

        • memory/2524-51-0x0000000002540000-0x00000000025F7000-memory.dmp

          Filesize

          732KB

        • memory/2524-50-0x0000000002540000-0x00000000025F7000-memory.dmp

          Filesize

          732KB

        • memory/2524-49-0x0000000002540000-0x00000000025F7000-memory.dmp

          Filesize

          732KB

        • memory/2524-48-0x0000000002540000-0x00000000025F7000-memory.dmp

          Filesize

          732KB

        • memory/2524-47-0x0000000002540000-0x00000000025F7000-memory.dmp

          Filesize

          732KB

        • memory/2524-45-0x0000000002540000-0x00000000025F7000-memory.dmp

          Filesize

          732KB

        • memory/2524-83-0x0000000002540000-0x00000000025F7000-memory.dmp

          Filesize

          732KB

        • memory/2524-69-0x0000000002540000-0x00000000025F7000-memory.dmp

          Filesize

          732KB

        • memory/2524-43-0x0000000002540000-0x00000000025F7000-memory.dmp

          Filesize

          732KB

        • memory/2524-42-0x0000000002540000-0x00000000025F7000-memory.dmp

          Filesize

          732KB

        • memory/2524-57-0x0000000002540000-0x00000000025F7000-memory.dmp

          Filesize

          732KB

        • memory/2524-41-0x0000000002540000-0x00000000025F7000-memory.dmp

          Filesize

          732KB

        • memory/2524-40-0x0000000002540000-0x00000000025F7000-memory.dmp

          Filesize

          732KB