Analysis

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

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    07/11/2024, 01:01

General

  • Target
    7ff2761a71aef2982a000b0578fb455dfecdd3e6d189a2bf927eec472773f8c3.exe
  • Size 205KB
  • Sample241107-bdhlhatqan
  • SHA256 7ff2761a71aef2982a000b0578fb455dfecdd3e6d189a2bf927eec472773f8c3
  • 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 Program Files directory 40 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 2 IoCs
  • Suspicious behavior: RenamesItself 1 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\7ff2761a71aef2982a000b0578fb455dfecdd3e6d189a2bf927eec472773f8c3.exe
    "C:\Users\Admin\AppData\Local\Temp\7ff2761a71aef2982a000b0578fb455dfecdd3e6d189a2bf927eec472773f8c3.exe"
    1⤵
    • Modifies WinLogon
    • Drops file in Windows directory
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: RenamesItself
    • Suspicious use of WriteProcessMemory
    PID:3036
    • C:\Windows\apppatch\svchost.exe
      "C:\Windows\apppatch\svchost.exe"
      2⤵
      • Modifies WinLogon for persistence
      • Executes dropped EXE
      • Modifies WinLogon
      • Drops file in Program Files directory
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      PID:3068

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        gahyqah.com

        • Path C:\Program Files (x86)\Windows Defender\gahyqah.com
        • Size 24KB
        • SHA256 9b130cc36630e324dba0f70db8f6819acbdc5289819f8c8a939f4d3d0d23b510
        • MD5 SHA1 SHA512 SSDEEP

        galyqaz.com

        • Path C:\Program Files (x86)\Windows Defender\galyqaz.com
        • Size 42KB
        • SHA256 e7e7771a64ac6cba74f43a6d4828ecfcfd11d272a2fa9924c3159403c0c2463a
        • MD5 SHA1 SHA512 SSDEEP

        lysyfyj.com

        • Path C:\Program Files (x86)\Windows Defender\lysyfyj.com
        • Size 481B
        • SHA256 4ae4ef5090a9475eb3a089452f39d39d727e85349dde4a2455396f2ed78dd695
        • MD5 SHA1 SHA512

        pupydeq.com

        • Path C:\Program Files (x86)\Windows Defender\pupydeq.com
        • Size 114B
        • SHA256 e0d020ba1cb6506cee234903a44c747ee0cfa7e2d1e60029e4cd8de9a431512a
        • MD5 SHA1 SHA512

        puzylyp.com

        • Path C:\Program Files (x86)\Windows Defender\puzylyp.com
        • Size 57KB
        • SHA256 b719f1c71ccb0e80a223e07cb90360db46efe77b50a198587077909a74a672ab
        • MD5 SHA1 SHA512 SSDEEP

        qetyhyg.com

        • Path C:\Program Files (x86)\Windows Defender\qetyhyg.com
        • Size 593B
        • SHA256 b3e893a653ec06c05ee90f2f6e98cc052a92f6616d7cca8c416420e178dcc73f
        • MD5 SHA1 SHA512

        login[4].htm

        • Path C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\IE\3DWZNJ32\login[4].htm
        • Size 114B
        • SHA256 6dc9c7fc93bb488bb0520a6c780a8d3c0fb5486a4711aca49b4c53fac7393023
        • MD5 SHA1 SHA512

        login[4].htm

        • Path C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\IE\8R55UT9S\login[4].htm
        • Size 162B
        • SHA256 9e17cb15dd75bbbd5dbb984eda674863c3b10ab72613cf8a39a00c3e11a8492a
        • MD5 SHA1 SHA512

        login[3].htm

        • Path C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\IE\YB8IB6GH\login[3].htm
        • Size 593B
        • SHA256 7392749832c70fcfc2d440d7afc2f880000dd564930d95d634eb1199fa15de30
        • MD5 SHA1 SHA512

        svchost.exe

        • Path C:\Windows\apppatch\svchost.exe
        • Size 205KB
        • SHA256 9bbd2d169ee40ad803d9221777bf5cb96ccb688d32c6657d7f94da48ac15172d
        • MD5 SHA1 SHA512 SSDEEP

        memory/3036-1-0x0000000002270000-0x00000000022BF000-memory.dmp

        memory/3036-13-0x0000000000400000-0x000000000048A000-memory.dmp

        memory/3036-14-0x0000000002270000-0x00000000022BF000-memory.dmp

        memory/3036-15-0x0000000000400000-0x000000000045C000-memory.dmp

        memory/3036-2-0x0000000000400000-0x000000000045C000-memory.dmp

        memory/3036-0-0x0000000000400000-0x000000000048A000-memory.dmp

        memory/3068-59-0x0000000002C40000-0x0000000002CF2000-memory.dmp

        memory/3068-48-0x0000000002C40000-0x0000000002CF2000-memory.dmp

        memory/3068-43-0x0000000002C40000-0x0000000002CF2000-memory.dmp

        memory/3068-40-0x0000000002C40000-0x0000000002CF2000-memory.dmp

        memory/3068-25-0x0000000002C40000-0x0000000002CF2000-memory.dmp

        memory/3068-57-0x0000000002C40000-0x0000000002CF2000-memory.dmp

        memory/3068-79-0x0000000002C40000-0x0000000002CF2000-memory.dmp

        memory/3068-78-0x0000000002C40000-0x0000000002CF2000-memory.dmp

        memory/3068-76-0x0000000002C40000-0x0000000002CF2000-memory.dmp

        memory/3068-75-0x0000000002C40000-0x0000000002CF2000-memory.dmp

        memory/3068-74-0x0000000002C40000-0x0000000002CF2000-memory.dmp

        memory/3068-73-0x0000000002C40000-0x0000000002CF2000-memory.dmp

        memory/3068-72-0x0000000002C40000-0x0000000002CF2000-memory.dmp

        memory/3068-71-0x0000000002C40000-0x0000000002CF2000-memory.dmp

        memory/3068-69-0x0000000002C40000-0x0000000002CF2000-memory.dmp

        memory/3068-68-0x0000000002C40000-0x0000000002CF2000-memory.dmp

        memory/3068-67-0x0000000002C40000-0x0000000002CF2000-memory.dmp

        memory/3068-65-0x0000000002C40000-0x0000000002CF2000-memory.dmp

        memory/3068-64-0x0000000002C40000-0x0000000002CF2000-memory.dmp

        memory/3068-62-0x0000000002C40000-0x0000000002CF2000-memory.dmp

        memory/3068-61-0x0000000002C40000-0x0000000002CF2000-memory.dmp

        memory/3068-60-0x0000000002C40000-0x0000000002CF2000-memory.dmp

        memory/3068-22-0x0000000002C40000-0x0000000002CF2000-memory.dmp

        memory/3068-56-0x0000000002C40000-0x0000000002CF2000-memory.dmp

        memory/3068-55-0x0000000002C40000-0x0000000002CF2000-memory.dmp

        memory/3068-54-0x0000000002C40000-0x0000000002CF2000-memory.dmp

        memory/3068-53-0x0000000002C40000-0x0000000002CF2000-memory.dmp

        memory/3068-52-0x0000000002C40000-0x0000000002CF2000-memory.dmp

        memory/3068-51-0x0000000002C40000-0x0000000002CF2000-memory.dmp

        memory/3068-50-0x0000000002C40000-0x0000000002CF2000-memory.dmp

        memory/3068-49-0x0000000002C40000-0x0000000002CF2000-memory.dmp

        memory/3068-45-0x0000000002C40000-0x0000000002CF2000-memory.dmp

        memory/3068-47-0x0000000002C40000-0x0000000002CF2000-memory.dmp

        memory/3068-46-0x0000000002C40000-0x0000000002CF2000-memory.dmp

        memory/3068-44-0x0000000002C40000-0x0000000002CF2000-memory.dmp

        memory/3068-42-0x0000000002C40000-0x0000000002CF2000-memory.dmp

        memory/3068-41-0x0000000002C40000-0x0000000002CF2000-memory.dmp

        memory/3068-39-0x0000000002C40000-0x0000000002CF2000-memory.dmp

        memory/3068-38-0x0000000002C40000-0x0000000002CF2000-memory.dmp

        memory/3068-37-0x0000000002C40000-0x0000000002CF2000-memory.dmp

        memory/3068-36-0x0000000002C40000-0x0000000002CF2000-memory.dmp

        memory/3068-35-0x0000000002C40000-0x0000000002CF2000-memory.dmp

        memory/3068-34-0x0000000002C40000-0x0000000002CF2000-memory.dmp

        memory/3068-33-0x0000000002C40000-0x0000000002CF2000-memory.dmp

        memory/3068-32-0x0000000002C40000-0x0000000002CF2000-memory.dmp

        memory/3068-31-0x0000000002C40000-0x0000000002CF2000-memory.dmp

        memory/3068-27-0x0000000002C40000-0x0000000002CF2000-memory.dmp

        memory/3068-28-0x0000000002C40000-0x0000000002CF2000-memory.dmp

        memory/3068-77-0x0000000002C40000-0x0000000002CF2000-memory.dmp

        memory/3068-70-0x0000000002C40000-0x0000000002CF2000-memory.dmp

        memory/3068-66-0x0000000002C40000-0x0000000002CF2000-memory.dmp

        memory/3068-63-0x0000000002C40000-0x0000000002CF2000-memory.dmp

        memory/3068-58-0x0000000002C40000-0x0000000002CF2000-memory.dmp

        memory/3068-30-0x0000000002C40000-0x0000000002CF2000-memory.dmp

        memory/3068-29-0x0000000002C40000-0x0000000002CF2000-memory.dmp

        memory/3068-26-0x0000000002C40000-0x0000000002CF2000-memory.dmp

        memory/3068-24-0x0000000002C40000-0x0000000002CF2000-memory.dmp

        memory/3068-20-0x0000000002C40000-0x0000000002CF2000-memory.dmp

        memory/3068-18-0x0000000002A90000-0x0000000002B34000-memory.dmp

        memory/3068-19-0x0000000000400000-0x000000000048A000-memory.dmp

        memory/3068-17-0x0000000000400000-0x000000000048A000-memory.dmp

        memory/3068-16-0x0000000000400000-0x000000000048A000-memory.dmp

        memory/3068-12-0x0000000000400000-0x000000000048A000-memory.dmp