Analysis

  • max time kernel
    140s
  • max time network
    149s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    30-10-2024 00:32

General

  • Target

    757192e9a216b31e048629f52836ef9d1be816100c1bc2302b0e7cb4d9eb4cbb.exe

  • Size

    686KB

  • MD5

    41c31496673aea407cff26affb85474e

  • SHA1

    b5aab9914abf40b12da28b2b06c7b245fe384217

  • SHA256

    757192e9a216b31e048629f52836ef9d1be816100c1bc2302b0e7cb4d9eb4cbb

  • SHA512

    c6c8723c420ed59d1edd29af44d3563a9c07efe56b61db6c7e67ee19643ce76b9826f7336ff19704874b1152b235e67e8a6df7c1011462ee9430a6ecb5eb1cfe

  • SSDEEP

    12288:vmWhND9yJz+b1FcMLmp2ATTSsdApVHyGbs2CYPHrLpVmCbHDSgp:vmUNJyJqb1FcMap2ATT5itjCYZ3DSo

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
  • 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 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\757192e9a216b31e048629f52836ef9d1be816100c1bc2302b0e7cb4d9eb4cbb.exe
    "C:\Users\Admin\AppData\Local\Temp\757192e9a216b31e048629f52836ef9d1be816100c1bc2302b0e7cb4d9eb4cbb.exe"
    1⤵
    • Modifies WinLogon
    • Drops file in Windows directory
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious behavior: RenamesItself
    • Suspicious use of WriteProcessMemory
    PID:2948
    • 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:2856

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Windows\apppatch\svchost.exe

    Filesize

    686KB

    MD5

    00d7c9ea9dddf71d14aa02413e6ad798

    SHA1

    153185a4ccf5142dfbe666b3efa8137d4fbce415

    SHA256

    13ff41f7c1162828e0d4f2b12b60f8ab11d92798436921bee3c53f2d47f78598

    SHA512

    114e95333d09c3d95b485277b217f7acddbe2ab29aa2b13e26977206cc41c1afd0825a20ac0160a8e9b4abd163235e8080937ed0e68a6a9c704551c1d9750abd

  • memory/2856-10-0x0000000002A00000-0x0000000002AA8000-memory.dmp

    Filesize

    672KB

  • memory/2856-13-0x0000000002BB0000-0x0000000002C66000-memory.dmp

    Filesize

    728KB

  • memory/2856-14-0x0000000002BB0000-0x0000000002C66000-memory.dmp

    Filesize

    728KB

  • memory/2856-16-0x0000000002BB0000-0x0000000002C66000-memory.dmp

    Filesize

    728KB

  • memory/2856-17-0x0000000002BB0000-0x0000000002C66000-memory.dmp

    Filesize

    728KB

  • memory/2856-74-0x0000000002BB0000-0x0000000002C66000-memory.dmp

    Filesize

    728KB

  • memory/2856-73-0x0000000002BB0000-0x0000000002C66000-memory.dmp

    Filesize

    728KB

  • memory/2856-72-0x0000000002BB0000-0x0000000002C66000-memory.dmp

    Filesize

    728KB

  • memory/2856-70-0x0000000002BB0000-0x0000000002C66000-memory.dmp

    Filesize

    728KB

  • memory/2856-68-0x0000000002BB0000-0x0000000002C66000-memory.dmp

    Filesize

    728KB

  • memory/2856-67-0x0000000002BB0000-0x0000000002C66000-memory.dmp

    Filesize

    728KB

  • memory/2856-65-0x0000000002BB0000-0x0000000002C66000-memory.dmp

    Filesize

    728KB

  • memory/2856-64-0x0000000002BB0000-0x0000000002C66000-memory.dmp

    Filesize

    728KB

  • memory/2856-62-0x0000000002BB0000-0x0000000002C66000-memory.dmp

    Filesize

    728KB

  • memory/2856-61-0x0000000002BB0000-0x0000000002C66000-memory.dmp

    Filesize

    728KB

  • memory/2856-59-0x0000000002BB0000-0x0000000002C66000-memory.dmp

    Filesize

    728KB

  • memory/2856-57-0x0000000002BB0000-0x0000000002C66000-memory.dmp

    Filesize

    728KB

  • memory/2856-56-0x0000000002BB0000-0x0000000002C66000-memory.dmp

    Filesize

    728KB

  • memory/2856-55-0x0000000002BB0000-0x0000000002C66000-memory.dmp

    Filesize

    728KB

  • memory/2856-54-0x0000000002BB0000-0x0000000002C66000-memory.dmp

    Filesize

    728KB

  • memory/2856-53-0x0000000002BB0000-0x0000000002C66000-memory.dmp

    Filesize

    728KB

  • memory/2856-52-0x0000000002BB0000-0x0000000002C66000-memory.dmp

    Filesize

    728KB

  • memory/2856-51-0x0000000002BB0000-0x0000000002C66000-memory.dmp

    Filesize

    728KB

  • memory/2856-50-0x0000000002BB0000-0x0000000002C66000-memory.dmp

    Filesize

    728KB

  • memory/2856-49-0x0000000002BB0000-0x0000000002C66000-memory.dmp

    Filesize

    728KB

  • memory/2856-47-0x0000000002BB0000-0x0000000002C66000-memory.dmp

    Filesize

    728KB

  • memory/2856-45-0x0000000002BB0000-0x0000000002C66000-memory.dmp

    Filesize

    728KB

  • memory/2856-46-0x0000000002BB0000-0x0000000002C66000-memory.dmp

    Filesize

    728KB

  • memory/2856-43-0x0000000002BB0000-0x0000000002C66000-memory.dmp

    Filesize

    728KB

  • memory/2856-44-0x0000000002BB0000-0x0000000002C66000-memory.dmp

    Filesize

    728KB

  • memory/2856-42-0x0000000002BB0000-0x0000000002C66000-memory.dmp

    Filesize

    728KB

  • memory/2856-40-0x0000000002BB0000-0x0000000002C66000-memory.dmp

    Filesize

    728KB

  • memory/2856-37-0x0000000002BB0000-0x0000000002C66000-memory.dmp

    Filesize

    728KB

  • memory/2856-35-0x0000000002BB0000-0x0000000002C66000-memory.dmp

    Filesize

    728KB

  • memory/2856-36-0x0000000002BB0000-0x0000000002C66000-memory.dmp

    Filesize

    728KB

  • memory/2856-34-0x0000000002BB0000-0x0000000002C66000-memory.dmp

    Filesize

    728KB

  • memory/2856-31-0x0000000002BB0000-0x0000000002C66000-memory.dmp

    Filesize

    728KB

  • memory/2856-29-0x0000000002BB0000-0x0000000002C66000-memory.dmp

    Filesize

    728KB

  • memory/2856-23-0x0000000002BB0000-0x0000000002C66000-memory.dmp

    Filesize

    728KB

  • memory/2856-22-0x0000000002BB0000-0x0000000002C66000-memory.dmp

    Filesize

    728KB

  • memory/2856-21-0x0000000002BB0000-0x0000000002C66000-memory.dmp

    Filesize

    728KB

  • memory/2856-20-0x0000000002BB0000-0x0000000002C66000-memory.dmp

    Filesize

    728KB

  • memory/2856-18-0x0000000002BB0000-0x0000000002C66000-memory.dmp

    Filesize

    728KB

  • memory/2856-71-0x0000000002BB0000-0x0000000002C66000-memory.dmp

    Filesize

    728KB

  • memory/2856-69-0x0000000002BB0000-0x0000000002C66000-memory.dmp

    Filesize

    728KB

  • memory/2856-66-0x0000000002BB0000-0x0000000002C66000-memory.dmp

    Filesize

    728KB

  • memory/2856-63-0x0000000002BB0000-0x0000000002C66000-memory.dmp

    Filesize

    728KB

  • memory/2856-60-0x0000000002BB0000-0x0000000002C66000-memory.dmp

    Filesize

    728KB

  • memory/2856-58-0x0000000002BB0000-0x0000000002C66000-memory.dmp

    Filesize

    728KB

  • memory/2856-48-0x0000000002BB0000-0x0000000002C66000-memory.dmp

    Filesize

    728KB

  • memory/2856-41-0x0000000002BB0000-0x0000000002C66000-memory.dmp

    Filesize

    728KB

  • memory/2856-39-0x0000000002BB0000-0x0000000002C66000-memory.dmp

    Filesize

    728KB

  • memory/2856-38-0x0000000002BB0000-0x0000000002C66000-memory.dmp

    Filesize

    728KB

  • memory/2856-33-0x0000000002BB0000-0x0000000002C66000-memory.dmp

    Filesize

    728KB

  • memory/2856-32-0x0000000002BB0000-0x0000000002C66000-memory.dmp

    Filesize

    728KB

  • memory/2856-30-0x0000000002BB0000-0x0000000002C66000-memory.dmp

    Filesize

    728KB

  • memory/2856-28-0x0000000002BB0000-0x0000000002C66000-memory.dmp

    Filesize

    728KB

  • memory/2856-27-0x0000000002BB0000-0x0000000002C66000-memory.dmp

    Filesize

    728KB

  • memory/2856-26-0x0000000002BB0000-0x0000000002C66000-memory.dmp

    Filesize

    728KB

  • memory/2856-25-0x0000000002BB0000-0x0000000002C66000-memory.dmp

    Filesize

    728KB

  • memory/2856-24-0x0000000002BB0000-0x0000000002C66000-memory.dmp

    Filesize

    728KB

  • memory/2856-19-0x0000000002BB0000-0x0000000002C66000-memory.dmp

    Filesize

    728KB

  • memory/2856-178-0x0000000002BB0000-0x0000000002C66000-memory.dmp

    Filesize

    728KB