Analysis

  • max time kernel
    150s
  • max time network
    149s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    11/11/2024, 16:51

General

  • Target
    281bff88b708e81638f6c4548d0bac897a059c54.exe
  • Size 206KB
  • Sample241111-vcvdfssakn
  • SHA256 8b72b2f58a4fe3d7be31e9bc4b53c8b21bc3410243325d2ac15627419fd051ff
  • MD5 SHA1 SHA512 SSDEEP

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
  • Modifies WinLogon 2 TTPs 1 IoCs
  • Drops file in Program Files directory 19 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 64 IoCs
  • Suspicious behavior: RenamesItself 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 4 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\281bff88b708e81638f6c4548d0bac897a059c54.exe
    "C:\Users\Admin\AppData\Local\Temp\281bff88b708e81638f6c4548d0bac897a059c54.exe"
    1⤵
    • 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:1648
    • 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:4944

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        login[2].htm

        • Path C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\Low\IE\MMEAZBOV\login[2].htm
        • Size 168B
        • SHA256 43edf068d34276e8ade4113d4d7207de19fc98a2ae1c07298e593edae2a8774c
        • MD5 SHA1 SHA512

        svchost.exe

        • Path C:\Windows\apppatch\svchost.exe
        • Size 206KB
        • SHA256 6f7175c54dd81317a5b7d008fcfc8589bbfc8d55ff8049cd31503cdd17a87c33
        • MD5 SHA1 SHA512 SSDEEP

        memory/1648-0-0x0000000000400000-0x0000000000495000-memory.dmp

        memory/1648-1-0x0000000002230000-0x0000000002282000-memory.dmp

        memory/1648-2-0x0000000000400000-0x000000000045F000-memory.dmp

        memory/1648-14-0x0000000000400000-0x0000000000495000-memory.dmp

        memory/1648-16-0x0000000002230000-0x0000000002282000-memory.dmp

        memory/1648-17-0x0000000000400000-0x000000000045F000-memory.dmp

        memory/4944-18-0x0000000000400000-0x0000000000495000-memory.dmp

        memory/4944-15-0x0000000000400000-0x0000000000495000-memory.dmp

        memory/4944-19-0x0000000000400000-0x0000000000495000-memory.dmp

        memory/4944-20-0x0000000002DA0000-0x0000000002E4A000-memory.dmp

        memory/4944-21-0x0000000000400000-0x0000000000495000-memory.dmp

        memory/4944-22-0x0000000002F90000-0x0000000003047000-memory.dmp

        memory/4944-24-0x0000000002F90000-0x0000000003047000-memory.dmp

        memory/4944-26-0x0000000002F90000-0x0000000003047000-memory.dmp

        memory/4944-70-0x0000000002F90000-0x0000000003047000-memory.dmp

        memory/4944-74-0x0000000002F90000-0x0000000003047000-memory.dmp

        memory/4944-81-0x0000000002F90000-0x0000000003047000-memory.dmp

        memory/4944-80-0x0000000002F90000-0x0000000003047000-memory.dmp

        memory/4944-78-0x0000000002F90000-0x0000000003047000-memory.dmp

        memory/4944-77-0x0000000002F90000-0x0000000003047000-memory.dmp

        memory/4944-76-0x0000000002F90000-0x0000000003047000-memory.dmp

        memory/4944-75-0x0000000002F90000-0x0000000003047000-memory.dmp

        memory/4944-73-0x0000000002F90000-0x0000000003047000-memory.dmp

        memory/4944-72-0x0000000002F90000-0x0000000003047000-memory.dmp

        memory/4944-71-0x0000000002F90000-0x0000000003047000-memory.dmp

        memory/4944-69-0x0000000002F90000-0x0000000003047000-memory.dmp

        memory/4944-68-0x0000000002F90000-0x0000000003047000-memory.dmp

        memory/4944-67-0x0000000002F90000-0x0000000003047000-memory.dmp

        memory/4944-66-0x0000000002F90000-0x0000000003047000-memory.dmp

        memory/4944-65-0x0000000002F90000-0x0000000003047000-memory.dmp

        memory/4944-64-0x0000000002F90000-0x0000000003047000-memory.dmp

        memory/4944-63-0x0000000002F90000-0x0000000003047000-memory.dmp

        memory/4944-62-0x0000000002F90000-0x0000000003047000-memory.dmp

        memory/4944-61-0x0000000002F90000-0x0000000003047000-memory.dmp

        memory/4944-60-0x0000000002F90000-0x0000000003047000-memory.dmp

        memory/4944-58-0x0000000002F90000-0x0000000003047000-memory.dmp

        memory/4944-55-0x0000000002F90000-0x0000000003047000-memory.dmp

        memory/4944-53-0x0000000002F90000-0x0000000003047000-memory.dmp

        memory/4944-52-0x0000000002F90000-0x0000000003047000-memory.dmp

        memory/4944-51-0x0000000002F90000-0x0000000003047000-memory.dmp

        memory/4944-50-0x0000000002F90000-0x0000000003047000-memory.dmp

        memory/4944-49-0x0000000002F90000-0x0000000003047000-memory.dmp

        memory/4944-48-0x0000000002F90000-0x0000000003047000-memory.dmp

        memory/4944-47-0x0000000002F90000-0x0000000003047000-memory.dmp

        memory/4944-46-0x0000000002F90000-0x0000000003047000-memory.dmp

        memory/4944-45-0x0000000002F90000-0x0000000003047000-memory.dmp

        memory/4944-44-0x0000000002F90000-0x0000000003047000-memory.dmp

        memory/4944-43-0x0000000002F90000-0x0000000003047000-memory.dmp

        memory/4944-42-0x0000000002F90000-0x0000000003047000-memory.dmp

        memory/4944-41-0x0000000002F90000-0x0000000003047000-memory.dmp

        memory/4944-40-0x0000000002F90000-0x0000000003047000-memory.dmp

        memory/4944-38-0x0000000002F90000-0x0000000003047000-memory.dmp

        memory/4944-37-0x0000000002F90000-0x0000000003047000-memory.dmp

        memory/4944-36-0x0000000002F90000-0x0000000003047000-memory.dmp

        memory/4944-33-0x0000000002F90000-0x0000000003047000-memory.dmp

        memory/4944-34-0x0000000002F90000-0x0000000003047000-memory.dmp

        memory/4944-32-0x0000000002F90000-0x0000000003047000-memory.dmp

        memory/4944-31-0x0000000002F90000-0x0000000003047000-memory.dmp

        memory/4944-30-0x0000000002F90000-0x0000000003047000-memory.dmp

        memory/4944-29-0x0000000002F90000-0x0000000003047000-memory.dmp

        memory/4944-28-0x0000000002F90000-0x0000000003047000-memory.dmp

        memory/4944-79-0x0000000002F90000-0x0000000003047000-memory.dmp

        memory/4944-59-0x0000000002F90000-0x0000000003047000-memory.dmp

        memory/4944-57-0x0000000002F90000-0x0000000003047000-memory.dmp

        memory/4944-56-0x0000000002F90000-0x0000000003047000-memory.dmp

        memory/4944-54-0x0000000002F90000-0x0000000003047000-memory.dmp

        memory/4944-39-0x0000000002F90000-0x0000000003047000-memory.dmp

        memory/4944-35-0x0000000002F90000-0x0000000003047000-memory.dmp

        memory/4944-27-0x0000000002F90000-0x0000000003047000-memory.dmp