Analysis

  • max time kernel
    112s
  • max time network
    117s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    24-01-2025 16:24

General

  • Target

    89d463b6213e9e59ea08d6a45e11a51bc54f6fb9418f15a60efab9fcf0f069dbN.exe

  • Size

    204KB

  • MD5

    f25ee75d9d8ba320b203b631cd5b3840

  • SHA1

    e4d57ee964304c5f9908bd4eb376f996dea21a9b

  • SHA256

    89d463b6213e9e59ea08d6a45e11a51bc54f6fb9418f15a60efab9fcf0f069db

  • SHA512

    0214e467f922ff0066fe82713a3fe60a84833a1cf18fa5d061283a854e1ed7455036068f48523a81f5ec6c5b2903213368f65c38a43576f83ae5c0a346a95c3d

  • SSDEEP

    3072:c5u7yT4TVbkuRaX1w71jnRkCoyJTarYWbV+HOFxg+z1WxJsqWkoyjOowUVl/TlAQ:cLexkuRaX41xoyJV65gzyZko+uc

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
  • Loads dropped DLL 2 IoCs
  • Modifies WinLogon 2 TTPs 2 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 64 IoCs
  • Suspicious behavior: RenamesItself 1 IoCs
  • Suspicious use of WriteProcessMemory 4 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\89d463b6213e9e59ea08d6a45e11a51bc54f6fb9418f15a60efab9fcf0f069dbN.exe
    "C:\Users\Admin\AppData\Local\Temp\89d463b6213e9e59ea08d6a45e11a51bc54f6fb9418f15a60efab9fcf0f069dbN.exe"
    1⤵
    • Loads dropped DLL
    • Modifies WinLogon
    • Drops file in Windows directory
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious behavior: RenamesItself
    • Suspicious use of WriteProcessMemory
    PID:1620
    • C:\Windows\apppatch\svchost.exe
      "C:\Windows\apppatch\svchost.exe"
      2⤵
      • Modifies WinLogon for persistence
      • Executes dropped EXE
      • Modifies WinLogon
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      PID:1628

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • \Windows\AppPatch\svchost.exe

    Filesize

    204KB

    MD5

    fadc7a70a24839cde40e88841ccbd53c

    SHA1

    f519658466402abc6c8d9dd4669755fb761fb7d9

    SHA256

    79adcfe5a3cafcab5e8b164688f6deaa0e1083254648437bcb7eef2eba87a142

    SHA512

    82fa74bb359cd71e95ef2687545438e4cefe6fe6d91a525205d78966f0fe6ff81bc72a13b77cd79e59fb03fe108284b994430b1f5affbd9564dc1fa395c48891

  • memory/1620-0-0x0000000000400000-0x000000000057D000-memory.dmp

    Filesize

    1.5MB

  • memory/1620-1-0x0000000000240000-0x0000000000291000-memory.dmp

    Filesize

    324KB

  • memory/1620-2-0x0000000000400000-0x000000000045F000-memory.dmp

    Filesize

    380KB

  • memory/1620-20-0x0000000000400000-0x000000000045F000-memory.dmp

    Filesize

    380KB

  • memory/1620-19-0x0000000000240000-0x0000000000291000-memory.dmp

    Filesize

    324KB

  • memory/1620-18-0x0000000000400000-0x000000000057D000-memory.dmp

    Filesize

    1.5MB

  • memory/1628-16-0x0000000000400000-0x000000000057D000-memory.dmp

    Filesize

    1.5MB

  • memory/1628-17-0x0000000000400000-0x000000000057D000-memory.dmp

    Filesize

    1.5MB

  • memory/1628-21-0x0000000000400000-0x000000000057D000-memory.dmp

    Filesize

    1.5MB

  • memory/1628-24-0x0000000002730000-0x00000000027D8000-memory.dmp

    Filesize

    672KB

  • memory/1628-32-0x0000000002730000-0x00000000027D8000-memory.dmp

    Filesize

    672KB

  • memory/1628-30-0x0000000002730000-0x00000000027D8000-memory.dmp

    Filesize

    672KB

  • memory/1628-33-0x0000000000400000-0x000000000057D000-memory.dmp

    Filesize

    1.5MB

  • memory/1628-28-0x0000000002730000-0x00000000027D8000-memory.dmp

    Filesize

    672KB

  • memory/1628-22-0x0000000002730000-0x00000000027D8000-memory.dmp

    Filesize

    672KB

  • memory/1628-26-0x0000000002730000-0x00000000027D8000-memory.dmp

    Filesize

    672KB

  • memory/1628-34-0x00000000028E0000-0x0000000002996000-memory.dmp

    Filesize

    728KB

  • memory/1628-38-0x00000000028E0000-0x0000000002996000-memory.dmp

    Filesize

    728KB

  • memory/1628-36-0x00000000028E0000-0x0000000002996000-memory.dmp

    Filesize

    728KB

  • memory/1628-48-0x00000000028E0000-0x0000000002996000-memory.dmp

    Filesize

    728KB

  • memory/1628-79-0x00000000028E0000-0x0000000002996000-memory.dmp

    Filesize

    728KB

  • memory/1628-84-0x00000000028E0000-0x0000000002996000-memory.dmp

    Filesize

    728KB

  • memory/1628-83-0x00000000028E0000-0x0000000002996000-memory.dmp

    Filesize

    728KB

  • memory/1628-82-0x00000000028E0000-0x0000000002996000-memory.dmp

    Filesize

    728KB

  • memory/1628-81-0x00000000028E0000-0x0000000002996000-memory.dmp

    Filesize

    728KB

  • memory/1628-78-0x00000000028E0000-0x0000000002996000-memory.dmp

    Filesize

    728KB

  • memory/1628-77-0x00000000028E0000-0x0000000002996000-memory.dmp

    Filesize

    728KB

  • memory/1628-76-0x00000000028E0000-0x0000000002996000-memory.dmp

    Filesize

    728KB

  • memory/1628-75-0x00000000028E0000-0x0000000002996000-memory.dmp

    Filesize

    728KB

  • memory/1628-74-0x00000000028E0000-0x0000000002996000-memory.dmp

    Filesize

    728KB

  • memory/1628-73-0x00000000028E0000-0x0000000002996000-memory.dmp

    Filesize

    728KB

  • memory/1628-72-0x00000000028E0000-0x0000000002996000-memory.dmp

    Filesize

    728KB

  • memory/1628-71-0x00000000028E0000-0x0000000002996000-memory.dmp

    Filesize

    728KB

  • memory/1628-70-0x00000000028E0000-0x0000000002996000-memory.dmp

    Filesize

    728KB

  • memory/1628-69-0x00000000028E0000-0x0000000002996000-memory.dmp

    Filesize

    728KB

  • memory/1628-68-0x00000000028E0000-0x0000000002996000-memory.dmp

    Filesize

    728KB

  • memory/1628-67-0x00000000028E0000-0x0000000002996000-memory.dmp

    Filesize

    728KB

  • memory/1628-65-0x00000000028E0000-0x0000000002996000-memory.dmp

    Filesize

    728KB

  • memory/1628-64-0x00000000028E0000-0x0000000002996000-memory.dmp

    Filesize

    728KB

  • memory/1628-63-0x00000000028E0000-0x0000000002996000-memory.dmp

    Filesize

    728KB

  • memory/1628-62-0x00000000028E0000-0x0000000002996000-memory.dmp

    Filesize

    728KB

  • memory/1628-61-0x00000000028E0000-0x0000000002996000-memory.dmp

    Filesize

    728KB

  • memory/1628-60-0x00000000028E0000-0x0000000002996000-memory.dmp

    Filesize

    728KB

  • memory/1628-59-0x00000000028E0000-0x0000000002996000-memory.dmp

    Filesize

    728KB

  • memory/1628-58-0x00000000028E0000-0x0000000002996000-memory.dmp

    Filesize

    728KB

  • memory/1628-57-0x00000000028E0000-0x0000000002996000-memory.dmp

    Filesize

    728KB

  • memory/1628-56-0x00000000028E0000-0x0000000002996000-memory.dmp

    Filesize

    728KB

  • memory/1628-55-0x00000000028E0000-0x0000000002996000-memory.dmp

    Filesize

    728KB

  • memory/1628-54-0x00000000028E0000-0x0000000002996000-memory.dmp

    Filesize

    728KB

  • memory/1628-53-0x00000000028E0000-0x0000000002996000-memory.dmp

    Filesize

    728KB

  • memory/1628-52-0x00000000028E0000-0x0000000002996000-memory.dmp

    Filesize

    728KB

  • memory/1628-51-0x00000000028E0000-0x0000000002996000-memory.dmp

    Filesize

    728KB

  • memory/1628-50-0x00000000028E0000-0x0000000002996000-memory.dmp

    Filesize

    728KB

  • memory/1628-49-0x00000000028E0000-0x0000000002996000-memory.dmp

    Filesize

    728KB

  • memory/1628-80-0x00000000028E0000-0x0000000002996000-memory.dmp

    Filesize

    728KB

  • memory/1628-47-0x00000000028E0000-0x0000000002996000-memory.dmp

    Filesize

    728KB

  • memory/1628-66-0x00000000028E0000-0x0000000002996000-memory.dmp

    Filesize

    728KB

  • memory/1628-46-0x00000000028E0000-0x0000000002996000-memory.dmp

    Filesize

    728KB

  • memory/1628-45-0x00000000028E0000-0x0000000002996000-memory.dmp

    Filesize

    728KB

  • memory/1628-44-0x00000000028E0000-0x0000000002996000-memory.dmp

    Filesize

    728KB

  • memory/1628-43-0x00000000028E0000-0x0000000002996000-memory.dmp

    Filesize

    728KB

  • memory/1628-40-0x00000000028E0000-0x0000000002996000-memory.dmp

    Filesize

    728KB

  • memory/1628-42-0x00000000028E0000-0x0000000002996000-memory.dmp

    Filesize

    728KB

  • memory/1628-41-0x00000000028E0000-0x0000000002996000-memory.dmp

    Filesize

    728KB