Analysis

  • max time kernel
    117s
  • max time network
    118s
  • platform
    windows7_x64
  • resource
    win7-20240708-en
  • resource tags

    arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system
  • submitted
    19/09/2024, 11:50

General

  • Target

    eed33bec73b9ad7d23e732d3ad847e7124d35936d47fc3693890feec09480c72N.exe

  • Size

    227KB

  • MD5

    dc2db3f7821041f82123848a3eb653e0

  • SHA1

    da17aaa90240939c531ae35b87e9abfdba6d00f2

  • SHA256

    eed33bec73b9ad7d23e732d3ad847e7124d35936d47fc3693890feec09480c72

  • SHA512

    3ba31b1b82a1b9f90fd67b0715896d206f0414272534e0dd046aa0743891f5fa8f0831c02b96ced1727033e5378eb64e56425387acad16c0562eac547d7e459a

  • SSDEEP

    6144:cpcxlKhSGoqTecGy9+hAu7//QnSrMhcZEpy:cy8hbTiyqA4QnSQhcZ8y

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

    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 8 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\eed33bec73b9ad7d23e732d3ad847e7124d35936d47fc3693890feec09480c72N.exe
    "C:\Users\Admin\AppData\Local\Temp\eed33bec73b9ad7d23e732d3ad847e7124d35936d47fc3693890feec09480c72N.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:1628
    • 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:2564

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        • \Windows\AppPatch\svchost.exe

          Filesize

          227KB

          MD5

          a1152516b92cff51e45e774e5d6111a3

          SHA1

          3b025df0c1498e8d1642d73e1f4f6fd2f54f6d92

          SHA256

          259d307e700014ffbdbae63b30cc55701f184727d5c7ea165e04c6f0918d52a2

          SHA512

          9681e484c95eaedaf30e9104ffe4ea622713d16c676ce18a187a159383605ac8a29e167c99d033382ebdc35854180a5982d2606c2da1556d2086215e39675943

        • memory/1628-1-0x0000000000230000-0x0000000000233000-memory.dmp

          Filesize

          12KB

        • memory/1628-0-0x0000000000400000-0x0000000000465000-memory.dmp

          Filesize

          404KB

        • memory/1628-2-0x0000000000400000-0x000000000045F000-memory.dmp

          Filesize

          380KB

        • memory/1628-19-0x0000000000400000-0x000000000045F000-memory.dmp

          Filesize

          380KB

        • memory/1628-18-0x0000000000400000-0x0000000000465000-memory.dmp

          Filesize

          404KB

        • memory/1628-17-0x0000000000230000-0x0000000000233000-memory.dmp

          Filesize

          12KB

        • memory/1628-14-0x0000000000470000-0x00000000004D5000-memory.dmp

          Filesize

          404KB

        • memory/2564-20-0x0000000000400000-0x0000000000465000-memory.dmp

          Filesize

          404KB

        • memory/2564-21-0x0000000000400000-0x0000000000465000-memory.dmp

          Filesize

          404KB

        • memory/2564-22-0x0000000000400000-0x0000000000465000-memory.dmp

          Filesize

          404KB

        • memory/2564-23-0x0000000002410000-0x00000000024BA000-memory.dmp

          Filesize

          680KB

        • memory/2564-29-0x0000000002410000-0x00000000024BA000-memory.dmp

          Filesize

          680KB

        • memory/2564-33-0x0000000002410000-0x00000000024BA000-memory.dmp

          Filesize

          680KB

        • memory/2564-31-0x0000000002410000-0x00000000024BA000-memory.dmp

          Filesize

          680KB

        • memory/2564-34-0x0000000000400000-0x0000000000465000-memory.dmp

          Filesize

          404KB

        • memory/2564-27-0x0000000002410000-0x00000000024BA000-memory.dmp

          Filesize

          680KB

        • memory/2564-25-0x0000000002410000-0x00000000024BA000-memory.dmp

          Filesize

          680KB

        • memory/2564-35-0x00000000025C0000-0x0000000002677000-memory.dmp

          Filesize

          732KB

        • memory/2564-37-0x00000000025C0000-0x0000000002677000-memory.dmp

          Filesize

          732KB

        • memory/2564-39-0x00000000025C0000-0x0000000002677000-memory.dmp

          Filesize

          732KB

        • memory/2564-45-0x00000000025C0000-0x0000000002677000-memory.dmp

          Filesize

          732KB

        • memory/2564-50-0x00000000025C0000-0x0000000002677000-memory.dmp

          Filesize

          732KB

        • memory/2564-87-0x00000000025C0000-0x0000000002677000-memory.dmp

          Filesize

          732KB

        • memory/2564-86-0x00000000025C0000-0x0000000002677000-memory.dmp

          Filesize

          732KB

        • memory/2564-85-0x00000000025C0000-0x0000000002677000-memory.dmp

          Filesize

          732KB

        • memory/2564-84-0x00000000025C0000-0x0000000002677000-memory.dmp

          Filesize

          732KB

        • memory/2564-83-0x00000000025C0000-0x0000000002677000-memory.dmp

          Filesize

          732KB

        • memory/2564-82-0x00000000025C0000-0x0000000002677000-memory.dmp

          Filesize

          732KB

        • memory/2564-81-0x00000000025C0000-0x0000000002677000-memory.dmp

          Filesize

          732KB

        • memory/2564-80-0x00000000025C0000-0x0000000002677000-memory.dmp

          Filesize

          732KB

        • memory/2564-79-0x00000000025C0000-0x0000000002677000-memory.dmp

          Filesize

          732KB

        • memory/2564-78-0x00000000025C0000-0x0000000002677000-memory.dmp

          Filesize

          732KB

        • memory/2564-77-0x00000000025C0000-0x0000000002677000-memory.dmp

          Filesize

          732KB

        • memory/2564-75-0x00000000025C0000-0x0000000002677000-memory.dmp

          Filesize

          732KB

        • memory/2564-74-0x00000000025C0000-0x0000000002677000-memory.dmp

          Filesize

          732KB

        • memory/2564-73-0x00000000025C0000-0x0000000002677000-memory.dmp

          Filesize

          732KB

        • memory/2564-72-0x00000000025C0000-0x0000000002677000-memory.dmp

          Filesize

          732KB

        • memory/2564-71-0x00000000025C0000-0x0000000002677000-memory.dmp

          Filesize

          732KB

        • memory/2564-70-0x00000000025C0000-0x0000000002677000-memory.dmp

          Filesize

          732KB

        • memory/2564-69-0x00000000025C0000-0x0000000002677000-memory.dmp

          Filesize

          732KB

        • memory/2564-68-0x00000000025C0000-0x0000000002677000-memory.dmp

          Filesize

          732KB

        • memory/2564-67-0x00000000025C0000-0x0000000002677000-memory.dmp

          Filesize

          732KB

        • memory/2564-66-0x00000000025C0000-0x0000000002677000-memory.dmp

          Filesize

          732KB

        • memory/2564-65-0x00000000025C0000-0x0000000002677000-memory.dmp

          Filesize

          732KB

        • memory/2564-64-0x00000000025C0000-0x0000000002677000-memory.dmp

          Filesize

          732KB

        • memory/2564-62-0x00000000025C0000-0x0000000002677000-memory.dmp

          Filesize

          732KB

        • memory/2564-61-0x00000000025C0000-0x0000000002677000-memory.dmp

          Filesize

          732KB

        • memory/2564-60-0x00000000025C0000-0x0000000002677000-memory.dmp

          Filesize

          732KB

        • memory/2564-59-0x00000000025C0000-0x0000000002677000-memory.dmp

          Filesize

          732KB

        • memory/2564-58-0x00000000025C0000-0x0000000002677000-memory.dmp

          Filesize

          732KB

        • memory/2564-57-0x00000000025C0000-0x0000000002677000-memory.dmp

          Filesize

          732KB

        • memory/2564-56-0x00000000025C0000-0x0000000002677000-memory.dmp

          Filesize

          732KB

        • memory/2564-55-0x00000000025C0000-0x0000000002677000-memory.dmp

          Filesize

          732KB

        • memory/2564-54-0x00000000025C0000-0x0000000002677000-memory.dmp

          Filesize

          732KB

        • memory/2564-53-0x00000000025C0000-0x0000000002677000-memory.dmp

          Filesize

          732KB

        • memory/2564-52-0x00000000025C0000-0x0000000002677000-memory.dmp

          Filesize

          732KB

        • memory/2564-49-0x00000000025C0000-0x0000000002677000-memory.dmp

          Filesize

          732KB

        • memory/2564-48-0x00000000025C0000-0x0000000002677000-memory.dmp

          Filesize

          732KB

        • memory/2564-47-0x00000000025C0000-0x0000000002677000-memory.dmp

          Filesize

          732KB

        • memory/2564-46-0x00000000025C0000-0x0000000002677000-memory.dmp

          Filesize

          732KB

        • memory/2564-76-0x00000000025C0000-0x0000000002677000-memory.dmp

          Filesize

          732KB

        • memory/2564-44-0x00000000025C0000-0x0000000002677000-memory.dmp

          Filesize

          732KB

        • memory/2564-63-0x00000000025C0000-0x0000000002677000-memory.dmp

          Filesize

          732KB

        • memory/2564-43-0x00000000025C0000-0x0000000002677000-memory.dmp

          Filesize

          732KB

        • memory/2564-42-0x00000000025C0000-0x0000000002677000-memory.dmp

          Filesize

          732KB

        • memory/2564-51-0x00000000025C0000-0x0000000002677000-memory.dmp

          Filesize

          732KB

        • memory/2564-41-0x00000000025C0000-0x0000000002677000-memory.dmp

          Filesize

          732KB