Analysis

  • max time kernel
    111s
  • max time network
    121s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    26/11/2024, 07:37

General

  • Target
    d6897025d759a2741c8978f2b6c7bb0899d3911f568f8fbe2402087d69a9b422.exe
  • Size 218KB
  • Sample241126-jft2ba1mhw
  • SHA256 d6897025d759a2741c8978f2b6c7bb0899d3911f568f8fbe2402087d69a9b422
  • 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

  • Modifies WinLogon for persistence 2 TTPs 1 IoCs
  • Simda family
  • simda

    Simda is an infostealer written in C++.

  • Executes dropped EXE 1 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 64 IoCs
  • Suspicious behavior: RenamesItself 1 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\d6897025d759a2741c8978f2b6c7bb0899d3911f568f8fbe2402087d69a9b422.exe
    "C:\Users\Admin\AppData\Local\Temp\d6897025d759a2741c8978f2b6c7bb0899d3911f568f8fbe2402087d69a9b422.exe"
    1⤵
    • Modifies WinLogon
    • Drops file in Windows directory
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious behavior: RenamesItself
    • Suspicious use of WriteProcessMemory
    PID:3840
    • 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:64

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        login[1].htm

        • Path C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\IE\EFY08QA2\login[1].htm
        • Size 162B
        • SHA256 9e17cb15dd75bbbd5dbb984eda674863c3b10ab72613cf8a39a00c3e11a8492a
        • MD5 SHA1 SHA512

        7B14.tmp

        • Path C:\Users\Admin\AppData\Local\Temp\7B14.tmp
        • Size 42KB
        • SHA256 289f8a2a3b4a35659d10fbf4de9afe2321cd3d50e7e6fa697053997721139e3d
        • MD5 SHA1 SHA512 SSDEEP

        8EA5.tmp

        • Path C:\Users\Admin\AppData\Local\Temp\8EA5.tmp
        • Size 593B
        • SHA256 b3e893a653ec06c05ee90f2f6e98cc052a92f6616d7cca8c416420e178dcc73f
        • MD5 SHA1 SHA512

        A10B.tmp

        • Path C:\Users\Admin\AppData\Local\Temp\A10B.tmp
        • Size 61KB
        • SHA256 ae7fa1d96d1bfdc59526f28df2f5765ab419d035335289c9c9b0b1a940cf5bf2
        • MD5 SHA1 SHA512 SSDEEP

        svchost.exe

        • Path C:\Windows\apppatch\svchost.exe
        • Size 218KB
        • SHA256 ece9ea4d75b0a9e935ad8bed589cc43083bbcf811a2f7d5f4369a3ad0a6d328b
        • MD5 SHA1 SHA512 SSDEEP

        memory/64-55-0x0000000002DF0000-0x0000000002EA6000-memory.dmp

        memory/64-53-0x0000000002DF0000-0x0000000002EA6000-memory.dmp

        memory/64-16-0x0000000000400000-0x00000000006D0000-memory.dmp

        memory/64-19-0x0000000000400000-0x00000000006D0000-memory.dmp

        memory/64-20-0x0000000002DF0000-0x0000000002EA6000-memory.dmp

        memory/64-24-0x0000000002DF0000-0x0000000002EA6000-memory.dmp

        memory/64-22-0x0000000002DF0000-0x0000000002EA6000-memory.dmp

        memory/64-67-0x0000000002DF0000-0x0000000002EA6000-memory.dmp

        memory/64-69-0x0000000002DF0000-0x0000000002EA6000-memory.dmp

        memory/64-79-0x0000000002DF0000-0x0000000002EA6000-memory.dmp

        memory/64-78-0x0000000002DF0000-0x0000000002EA6000-memory.dmp

        memory/64-77-0x0000000002DF0000-0x0000000002EA6000-memory.dmp

        memory/64-76-0x0000000002DF0000-0x0000000002EA6000-memory.dmp

        memory/64-75-0x0000000002DF0000-0x0000000002EA6000-memory.dmp

        memory/64-74-0x0000000002DF0000-0x0000000002EA6000-memory.dmp

        memory/64-73-0x0000000002DF0000-0x0000000002EA6000-memory.dmp

        memory/64-72-0x0000000002DF0000-0x0000000002EA6000-memory.dmp

        memory/64-71-0x0000000002DF0000-0x0000000002EA6000-memory.dmp

        memory/64-70-0x0000000002DF0000-0x0000000002EA6000-memory.dmp

        memory/64-68-0x0000000002DF0000-0x0000000002EA6000-memory.dmp

        memory/64-66-0x0000000002DF0000-0x0000000002EA6000-memory.dmp

        memory/64-65-0x0000000002DF0000-0x0000000002EA6000-memory.dmp

        memory/64-12-0x0000000000400000-0x00000000006D0000-memory.dmp

        memory/64-64-0x0000000002DF0000-0x0000000002EA6000-memory.dmp

        memory/64-63-0x0000000002DF0000-0x0000000002EA6000-memory.dmp

        memory/64-62-0x0000000002DF0000-0x0000000002EA6000-memory.dmp

        memory/64-61-0x0000000002DF0000-0x0000000002EA6000-memory.dmp

        memory/64-60-0x0000000002DF0000-0x0000000002EA6000-memory.dmp

        memory/64-58-0x0000000002DF0000-0x0000000002EA6000-memory.dmp

        memory/64-57-0x0000000002DF0000-0x0000000002EA6000-memory.dmp

        memory/64-56-0x0000000002DF0000-0x0000000002EA6000-memory.dmp

        memory/64-18-0x0000000002C00000-0x0000000002CA8000-memory.dmp

        memory/64-54-0x0000000002DF0000-0x0000000002EA6000-memory.dmp

        memory/64-50-0x0000000002DF0000-0x0000000002EA6000-memory.dmp

        memory/64-17-0x0000000000400000-0x00000000006D0000-memory.dmp

        memory/64-51-0x0000000002DF0000-0x0000000002EA6000-memory.dmp

        memory/64-52-0x0000000002DF0000-0x0000000002EA6000-memory.dmp

        memory/64-49-0x0000000002DF0000-0x0000000002EA6000-memory.dmp

        memory/64-48-0x0000000002DF0000-0x0000000002EA6000-memory.dmp

        memory/64-47-0x0000000002DF0000-0x0000000002EA6000-memory.dmp

        memory/64-46-0x0000000002DF0000-0x0000000002EA6000-memory.dmp

        memory/64-45-0x0000000002DF0000-0x0000000002EA6000-memory.dmp

        memory/64-44-0x0000000002DF0000-0x0000000002EA6000-memory.dmp

        memory/64-43-0x0000000002DF0000-0x0000000002EA6000-memory.dmp

        memory/64-42-0x0000000002DF0000-0x0000000002EA6000-memory.dmp

        memory/64-41-0x0000000002DF0000-0x0000000002EA6000-memory.dmp

        memory/64-40-0x0000000002DF0000-0x0000000002EA6000-memory.dmp

        memory/64-39-0x0000000002DF0000-0x0000000002EA6000-memory.dmp

        memory/64-37-0x0000000002DF0000-0x0000000002EA6000-memory.dmp

        memory/64-36-0x0000000002DF0000-0x0000000002EA6000-memory.dmp

        memory/64-35-0x0000000002DF0000-0x0000000002EA6000-memory.dmp

        memory/64-34-0x0000000002DF0000-0x0000000002EA6000-memory.dmp

        memory/64-33-0x0000000002DF0000-0x0000000002EA6000-memory.dmp

        memory/64-32-0x0000000002DF0000-0x0000000002EA6000-memory.dmp

        memory/64-31-0x0000000002DF0000-0x0000000002EA6000-memory.dmp

        memory/64-30-0x0000000002DF0000-0x0000000002EA6000-memory.dmp

        memory/64-29-0x0000000002DF0000-0x0000000002EA6000-memory.dmp

        memory/64-28-0x0000000002DF0000-0x0000000002EA6000-memory.dmp

        memory/64-27-0x0000000002DF0000-0x0000000002EA6000-memory.dmp

        memory/64-26-0x0000000002DF0000-0x0000000002EA6000-memory.dmp

        memory/64-59-0x0000000002DF0000-0x0000000002EA6000-memory.dmp

        memory/64-38-0x0000000002DF0000-0x0000000002EA6000-memory.dmp

        memory/64-25-0x0000000002DF0000-0x0000000002EA6000-memory.dmp

        memory/3840-1-0x0000000002420000-0x0000000002471000-memory.dmp

        memory/3840-0-0x0000000000400000-0x00000000006D0000-memory.dmp

        memory/3840-2-0x0000000000400000-0x000000000045F000-memory.dmp

        memory/3840-13-0x0000000000400000-0x00000000006D0000-memory.dmp

        memory/3840-15-0x0000000000400000-0x000000000045F000-memory.dmp

        memory/3840-14-0x0000000002420000-0x0000000002471000-memory.dmp