Analysis

  • max time kernel
    150s
  • max time network
    150s
  • platform
    windows11-21h2_x64
  • resource
    win11-20260513-en
  • resource tags

    arch:x64arch:x86image:win11-20260513-enlocale:en-usos:windows11-21h2-x64systemwindows
  • submitted
    02/06/2026, 04:16

General

  • Target
    tmp1jb75918.exe
  • Size 206KB
  • Sample260602-ev8e2aez4p
  • SHA256 bec98fbf9dceb054e524da716944fe66cd72f56a7a9478449472d02d07ce63de
  • MD5 SHA1 SHA512 SSDEEP TLSH

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

  • Family: Simda, Shiz

    Simda aka Shiz is a stealer and backdoor written in C++.

  • Detects Simda aka Shiz backdoor 63 IoCs
  • Executes dropped EXE 1 IoCs
  • Modifies WinLogon 2 TTPs 1 IoCs
  • Drops file in Program Files directory 5 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 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\tmp1jb75918.exe
    "C:\Users\Admin\AppData\Local\Temp\tmp1jb75918.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:2448
    • 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:4008

Network

        MITRE ATT&CK Enterprise v16

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        svchost.exe

        • Path C:\Windows\apppatch\svchost.exe
        • Size 206KB
        • SHA256 55c73dd15a005d290f02227a43117e896a1923c2c9d4160b55104c0d785b972a
        • MD5 SHA1 SHA512 SSDEEP TLSH

        memory/2448-0-0x0000000000400000-0x0000000000495000-memory.dmp

        memory/2448-1-0x0000000002DC0000-0x0000000002E12000-memory.dmp

        memory/2448-15-0x0000000002DC0000-0x0000000002E12000-memory.dmp

        memory/2448-14-0x0000000000400000-0x0000000000495000-memory.dmp

        memory/4008-13-0x0000000000400000-0x0000000000495000-memory.dmp

        memory/4008-16-0x00000000023D0000-0x000000000247A000-memory.dmp

        memory/4008-19-0x00000000025C0000-0x0000000002677000-memory.dmp

        memory/4008-20-0x00000000025C0000-0x0000000002677000-memory.dmp

        memory/4008-22-0x00000000025C0000-0x0000000002677000-memory.dmp

        memory/4008-28-0x00000000025C0000-0x0000000002677000-memory.dmp

        memory/4008-79-0x00000000025C0000-0x0000000002677000-memory.dmp

        memory/4008-78-0x00000000025C0000-0x0000000002677000-memory.dmp

        memory/4008-77-0x00000000025C0000-0x0000000002677000-memory.dmp

        memory/4008-76-0x00000000025C0000-0x0000000002677000-memory.dmp

        memory/4008-74-0x00000000025C0000-0x0000000002677000-memory.dmp

        memory/4008-73-0x00000000025C0000-0x0000000002677000-memory.dmp

        memory/4008-72-0x00000000025C0000-0x0000000002677000-memory.dmp

        memory/4008-71-0x00000000025C0000-0x0000000002677000-memory.dmp

        memory/4008-70-0x00000000025C0000-0x0000000002677000-memory.dmp

        memory/4008-69-0x00000000025C0000-0x0000000002677000-memory.dmp

        memory/4008-68-0x00000000025C0000-0x0000000002677000-memory.dmp

        memory/4008-67-0x00000000025C0000-0x0000000002677000-memory.dmp

        memory/4008-66-0x00000000025C0000-0x0000000002677000-memory.dmp

        memory/4008-65-0x00000000025C0000-0x0000000002677000-memory.dmp

        memory/4008-64-0x00000000025C0000-0x0000000002677000-memory.dmp

        memory/4008-63-0x00000000025C0000-0x0000000002677000-memory.dmp

        memory/4008-62-0x00000000025C0000-0x0000000002677000-memory.dmp

        memory/4008-61-0x00000000025C0000-0x0000000002677000-memory.dmp

        memory/4008-60-0x00000000025C0000-0x0000000002677000-memory.dmp

        memory/4008-59-0x00000000025C0000-0x0000000002677000-memory.dmp

        memory/4008-58-0x00000000025C0000-0x0000000002677000-memory.dmp

        memory/4008-57-0x00000000025C0000-0x0000000002677000-memory.dmp

        memory/4008-56-0x00000000025C0000-0x0000000002677000-memory.dmp

        memory/4008-55-0x00000000025C0000-0x0000000002677000-memory.dmp

        memory/4008-53-0x00000000025C0000-0x0000000002677000-memory.dmp

        memory/4008-52-0x00000000025C0000-0x0000000002677000-memory.dmp

        memory/4008-51-0x00000000025C0000-0x0000000002677000-memory.dmp

        memory/4008-50-0x00000000025C0000-0x0000000002677000-memory.dmp

        memory/4008-49-0x00000000025C0000-0x0000000002677000-memory.dmp

        memory/4008-48-0x00000000025C0000-0x0000000002677000-memory.dmp

        memory/4008-46-0x00000000025C0000-0x0000000002677000-memory.dmp

        memory/4008-45-0x00000000025C0000-0x0000000002677000-memory.dmp

        memory/4008-44-0x00000000025C0000-0x0000000002677000-memory.dmp

        memory/4008-43-0x00000000025C0000-0x0000000002677000-memory.dmp

        memory/4008-42-0x00000000025C0000-0x0000000002677000-memory.dmp

        memory/4008-41-0x00000000025C0000-0x0000000002677000-memory.dmp

        memory/4008-39-0x00000000025C0000-0x0000000002677000-memory.dmp

        memory/4008-38-0x00000000025C0000-0x0000000002677000-memory.dmp

        memory/4008-37-0x00000000025C0000-0x0000000002677000-memory.dmp

        memory/4008-36-0x00000000025C0000-0x0000000002677000-memory.dmp

        memory/4008-35-0x00000000025C0000-0x0000000002677000-memory.dmp

        memory/4008-34-0x00000000025C0000-0x0000000002677000-memory.dmp

        memory/4008-33-0x00000000025C0000-0x0000000002677000-memory.dmp

        memory/4008-32-0x00000000025C0000-0x0000000002677000-memory.dmp

        memory/4008-30-0x00000000025C0000-0x0000000002677000-memory.dmp

        memory/4008-29-0x00000000025C0000-0x0000000002677000-memory.dmp

        memory/4008-80-0x00000000025C0000-0x0000000002677000-memory.dmp

        memory/4008-27-0x00000000025C0000-0x0000000002677000-memory.dmp

        memory/4008-75-0x00000000025C0000-0x0000000002677000-memory.dmp

        memory/4008-26-0x00000000025C0000-0x0000000002677000-memory.dmp

        memory/4008-25-0x00000000025C0000-0x0000000002677000-memory.dmp

        memory/4008-24-0x00000000025C0000-0x0000000002677000-memory.dmp

        memory/4008-54-0x00000000025C0000-0x0000000002677000-memory.dmp

        memory/4008-47-0x00000000025C0000-0x0000000002677000-memory.dmp

        memory/4008-40-0x00000000025C0000-0x0000000002677000-memory.dmp

        memory/4008-23-0x00000000025C0000-0x0000000002677000-memory.dmp

        memory/4008-31-0x00000000025C0000-0x0000000002677000-memory.dmp

        memory/4008-156-0x00000000025C0000-0x0000000002677000-memory.dmp