Analysis

  • max time kernel
    119s
  • max time network
    120s
  • platform
    windows7_x64
  • resource
    win7-20240708-en
  • resource tags

    arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system
  • submitted
    23/11/2024, 03:59

General

  • Target
    3d7fc74a7388dc32015d9d5f1e4fdec75ccb18549129c720d6f62c81f0ca2b6fN.exe
  • Size 217KB
  • Sample241123-ej8lnatpep
  • SHA256 3d7fc74a7388dc32015d9d5f1e4fdec75ccb18549129c720d6f62c81f0ca2b6f
  • 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
  • Loads dropped DLL 1 IoCs
  • Modifies WinLogon 2 TTPs 1 IoCs
  • Drops file in Program Files directory 14 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\3d7fc74a7388dc32015d9d5f1e4fdec75ccb18549129c720d6f62c81f0ca2b6fN.exe
    "C:\Users\Admin\AppData\Local\Temp\3d7fc74a7388dc32015d9d5f1e4fdec75ccb18549129c720d6f62c81f0ca2b6fN.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:2404
    • 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:2260

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        svchost.exe

        • Path \Windows\AppPatch\svchost.exe
        • Size 217KB
        • SHA256 4645ada515b376253708f64e5c0db8bd318bf16c6481869f6de4eacc156180f7
        • MD5 SHA1 SHA512 SSDEEP

        memory/2260-67-0x00000000024E0000-0x0000000002597000-memory.dmp

        memory/2260-64-0x00000000024E0000-0x0000000002597000-memory.dmp

        memory/2260-25-0x00000000021C0000-0x000000000226A000-memory.dmp

        memory/2260-29-0x00000000021C0000-0x000000000226A000-memory.dmp

        memory/2260-37-0x00000000024E0000-0x0000000002597000-memory.dmp

        memory/2260-30-0x0000000000400000-0x0000000000469000-memory.dmp

        memory/2260-28-0x00000000021C0000-0x000000000226A000-memory.dmp

        memory/2260-23-0x00000000021C0000-0x000000000226A000-memory.dmp

        memory/2260-21-0x00000000021C0000-0x000000000226A000-memory.dmp

        memory/2260-19-0x00000000021C0000-0x000000000226A000-memory.dmp

        memory/2260-35-0x00000000024E0000-0x0000000002597000-memory.dmp

        memory/2260-33-0x00000000024E0000-0x0000000002597000-memory.dmp

        memory/2260-31-0x00000000024E0000-0x0000000002597000-memory.dmp

        memory/2260-40-0x00000000024E0000-0x0000000002597000-memory.dmp

        memory/2260-62-0x00000000024E0000-0x0000000002597000-memory.dmp

        memory/2260-83-0x00000000024E0000-0x0000000002597000-memory.dmp

        memory/2260-82-0x00000000024E0000-0x0000000002597000-memory.dmp

        memory/2260-81-0x00000000024E0000-0x0000000002597000-memory.dmp

        memory/2260-80-0x00000000024E0000-0x0000000002597000-memory.dmp

        memory/2260-79-0x00000000024E0000-0x0000000002597000-memory.dmp

        memory/2260-78-0x00000000024E0000-0x0000000002597000-memory.dmp

        memory/2260-77-0x00000000024E0000-0x0000000002597000-memory.dmp

        memory/2260-76-0x00000000024E0000-0x0000000002597000-memory.dmp

        memory/2260-75-0x00000000024E0000-0x0000000002597000-memory.dmp

        memory/2260-74-0x00000000024E0000-0x0000000002597000-memory.dmp

        memory/2260-73-0x00000000024E0000-0x0000000002597000-memory.dmp

        memory/2260-72-0x00000000024E0000-0x0000000002597000-memory.dmp

        memory/2260-71-0x00000000024E0000-0x0000000002597000-memory.dmp

        memory/2260-70-0x00000000024E0000-0x0000000002597000-memory.dmp

        memory/2260-69-0x00000000024E0000-0x0000000002597000-memory.dmp

        memory/2260-18-0x0000000000400000-0x0000000000469000-memory.dmp

        memory/2260-68-0x00000000024E0000-0x0000000002597000-memory.dmp

        memory/2260-56-0x00000000024E0000-0x0000000002597000-memory.dmp

        memory/2260-17-0x0000000000400000-0x0000000000469000-memory.dmp

        memory/2260-63-0x00000000024E0000-0x0000000002597000-memory.dmp

        memory/2260-61-0x00000000024E0000-0x0000000002597000-memory.dmp

        memory/2260-60-0x00000000024E0000-0x0000000002597000-memory.dmp

        memory/2260-59-0x00000000024E0000-0x0000000002597000-memory.dmp

        memory/2260-58-0x00000000024E0000-0x0000000002597000-memory.dmp

        memory/2260-57-0x00000000024E0000-0x0000000002597000-memory.dmp

        memory/2260-66-0x00000000024E0000-0x0000000002597000-memory.dmp

        memory/2260-55-0x00000000024E0000-0x0000000002597000-memory.dmp

        memory/2260-54-0x00000000024E0000-0x0000000002597000-memory.dmp

        memory/2260-53-0x00000000024E0000-0x0000000002597000-memory.dmp

        memory/2260-52-0x00000000024E0000-0x0000000002597000-memory.dmp

        memory/2260-51-0x00000000024E0000-0x0000000002597000-memory.dmp

        memory/2260-50-0x00000000024E0000-0x0000000002597000-memory.dmp

        memory/2260-49-0x00000000024E0000-0x0000000002597000-memory.dmp

        memory/2260-48-0x00000000024E0000-0x0000000002597000-memory.dmp

        memory/2260-47-0x00000000024E0000-0x0000000002597000-memory.dmp

        memory/2260-46-0x00000000024E0000-0x0000000002597000-memory.dmp

        memory/2260-45-0x00000000024E0000-0x0000000002597000-memory.dmp

        memory/2260-44-0x00000000024E0000-0x0000000002597000-memory.dmp

        memory/2260-43-0x00000000024E0000-0x0000000002597000-memory.dmp

        memory/2260-42-0x00000000024E0000-0x0000000002597000-memory.dmp

        memory/2260-41-0x00000000024E0000-0x0000000002597000-memory.dmp

        memory/2260-65-0x00000000024E0000-0x0000000002597000-memory.dmp

        memory/2260-39-0x00000000024E0000-0x0000000002597000-memory.dmp

        memory/2260-38-0x00000000024E0000-0x0000000002597000-memory.dmp

        memory/2404-0-0x0000000000260000-0x0000000000263000-memory.dmp

        memory/2404-1-0x0000000000400000-0x000000000045F000-memory.dmp

        memory/2404-14-0x0000000000400000-0x0000000000469000-memory.dmp

        memory/2404-16-0x0000000000400000-0x000000000045F000-memory.dmp

        memory/2404-15-0x0000000000260000-0x0000000000263000-memory.dmp