Analysis

  • max time kernel
    120s
  • max time network
    120s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    22/12/2024, 05:35

General

  • Target
    5c59e6fdcfce57aadf789de7ea6ee956c1775e5ec95b1ba3ab3be0f417cff5a7.exe
  • Size 358KB
  • Sample241222-gaggxsvrhz
  • SHA256 5c59e6fdcfce57aadf789de7ea6ee956c1775e5ec95b1ba3ab3be0f417cff5a7
  • 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 17 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\5c59e6fdcfce57aadf789de7ea6ee956c1775e5ec95b1ba3ab3be0f417cff5a7.exe
    "C:\Users\Admin\AppData\Local\Temp\5c59e6fdcfce57aadf789de7ea6ee956c1775e5ec95b1ba3ab3be0f417cff5a7.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:4196
    • 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:3908

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        login[1].htm

        • Path C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\Low\IE\CA3VRN8D\login[1].htm
        • Size 162B
        • SHA256 9e17cb15dd75bbbd5dbb984eda674863c3b10ab72613cf8a39a00c3e11a8492a
        • MD5 SHA1 SHA512

        svchost.exe

        • Path C:\Windows\apppatch\svchost.exe
        • Size 358KB
        • SHA256 67a0fd79b31ff4fb054f654c3ba3bba3b8d32ccfe68746ab1c6c0118f0e8507b
        • MD5 SHA1 SHA512 SSDEEP

        memory/3908-12-0x0000000000B40000-0x0000000000BEA000-memory.dmp

        memory/3908-15-0x0000000002E00000-0x0000000002EB7000-memory.dmp

        memory/3908-16-0x0000000002E00000-0x0000000002EB7000-memory.dmp

        memory/3908-18-0x0000000002E00000-0x0000000002EB7000-memory.dmp

        memory/3908-20-0x0000000002E00000-0x0000000002EB7000-memory.dmp

        memory/3908-74-0x0000000002E00000-0x0000000002EB7000-memory.dmp

        memory/3908-75-0x0000000002E00000-0x0000000002EB7000-memory.dmp

        memory/3908-73-0x0000000002E00000-0x0000000002EB7000-memory.dmp

        memory/3908-72-0x0000000002E00000-0x0000000002EB7000-memory.dmp

        memory/3908-71-0x0000000002E00000-0x0000000002EB7000-memory.dmp

        memory/3908-69-0x0000000002E00000-0x0000000002EB7000-memory.dmp

        memory/3908-68-0x0000000002E00000-0x0000000002EB7000-memory.dmp

        memory/3908-67-0x0000000002E00000-0x0000000002EB7000-memory.dmp

        memory/3908-66-0x0000000002E00000-0x0000000002EB7000-memory.dmp

        memory/3908-65-0x0000000002E00000-0x0000000002EB7000-memory.dmp

        memory/3908-64-0x0000000002E00000-0x0000000002EB7000-memory.dmp

        memory/3908-63-0x0000000002E00000-0x0000000002EB7000-memory.dmp

        memory/3908-62-0x0000000002E00000-0x0000000002EB7000-memory.dmp

        memory/3908-61-0x0000000002E00000-0x0000000002EB7000-memory.dmp

        memory/3908-60-0x0000000002E00000-0x0000000002EB7000-memory.dmp

        memory/3908-59-0x0000000002E00000-0x0000000002EB7000-memory.dmp

        memory/3908-58-0x0000000002E00000-0x0000000002EB7000-memory.dmp

        memory/3908-57-0x0000000002E00000-0x0000000002EB7000-memory.dmp

        memory/3908-56-0x0000000002E00000-0x0000000002EB7000-memory.dmp

        memory/3908-55-0x0000000002E00000-0x0000000002EB7000-memory.dmp

        memory/3908-54-0x0000000002E00000-0x0000000002EB7000-memory.dmp

        memory/3908-70-0x0000000002E00000-0x0000000002EB7000-memory.dmp

        memory/3908-53-0x0000000002E00000-0x0000000002EB7000-memory.dmp

        memory/3908-51-0x0000000002E00000-0x0000000002EB7000-memory.dmp

        memory/3908-50-0x0000000002E00000-0x0000000002EB7000-memory.dmp

        memory/3908-47-0x0000000002E00000-0x0000000002EB7000-memory.dmp

        memory/3908-46-0x0000000002E00000-0x0000000002EB7000-memory.dmp

        memory/3908-44-0x0000000002E00000-0x0000000002EB7000-memory.dmp

        memory/3908-43-0x0000000002E00000-0x0000000002EB7000-memory.dmp

        memory/3908-41-0x0000000002E00000-0x0000000002EB7000-memory.dmp

        memory/3908-40-0x0000000002E00000-0x0000000002EB7000-memory.dmp

        memory/3908-39-0x0000000002E00000-0x0000000002EB7000-memory.dmp

        memory/3908-38-0x0000000002E00000-0x0000000002EB7000-memory.dmp

        memory/3908-37-0x0000000002E00000-0x0000000002EB7000-memory.dmp

        memory/3908-36-0x0000000002E00000-0x0000000002EB7000-memory.dmp

        memory/3908-35-0x0000000002E00000-0x0000000002EB7000-memory.dmp

        memory/3908-34-0x0000000002E00000-0x0000000002EB7000-memory.dmp

        memory/3908-33-0x0000000002E00000-0x0000000002EB7000-memory.dmp

        memory/3908-30-0x0000000002E00000-0x0000000002EB7000-memory.dmp

        memory/3908-31-0x0000000002E00000-0x0000000002EB7000-memory.dmp

        memory/3908-28-0x0000000002E00000-0x0000000002EB7000-memory.dmp

        memory/3908-29-0x0000000002E00000-0x0000000002EB7000-memory.dmp

        memory/3908-27-0x0000000002E00000-0x0000000002EB7000-memory.dmp

        memory/3908-26-0x0000000002E00000-0x0000000002EB7000-memory.dmp

        memory/3908-25-0x0000000002E00000-0x0000000002EB7000-memory.dmp

        memory/3908-24-0x0000000002E00000-0x0000000002EB7000-memory.dmp

        memory/3908-23-0x0000000002E00000-0x0000000002EB7000-memory.dmp

        memory/3908-21-0x0000000002E00000-0x0000000002EB7000-memory.dmp

        memory/3908-19-0x0000000002E00000-0x0000000002EB7000-memory.dmp

        memory/3908-52-0x0000000002E00000-0x0000000002EB7000-memory.dmp

        memory/3908-49-0x0000000002E00000-0x0000000002EB7000-memory.dmp

        memory/3908-48-0x0000000002E00000-0x0000000002EB7000-memory.dmp

        memory/3908-45-0x0000000002E00000-0x0000000002EB7000-memory.dmp

        memory/3908-42-0x0000000002E00000-0x0000000002EB7000-memory.dmp

        memory/3908-32-0x0000000002E00000-0x0000000002EB7000-memory.dmp

        memory/3908-22-0x0000000002E00000-0x0000000002EB7000-memory.dmp

        memory/3908-161-0x0000000002E00000-0x0000000002EB7000-memory.dmp

        memory/3908-2048-0x00000000070D0000-0x00000000070D1000-memory.dmp

        memory/3908-2046-0x00000000070E0000-0x00000000070E1000-memory.dmp

        memory/3908-2045-0x0000000077892000-0x0000000077893000-memory.dmp

        memory/3908-2047-0x00000000070C0000-0x00000000070C1000-memory.dmp

        memory/4196-11-0x0000000000E60000-0x0000000000EBF000-memory.dmp