Analysis

  • max time kernel
    145s
  • max time network
    147s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    20/09/2024, 01:07

General

  • Target

    e06d50ec3f6776e2c20ae71001e0eeeb13edbd50dbdebf7515116be0f0083ecf.exe

  • Size

    212KB

  • MD5

    11be47e2d8a0e7fc6d8cfbaa62f965bf

  • SHA1

    88d0a2fba461bfc52d29d5ffb8b0f58cef47b4a6

  • SHA256

    e06d50ec3f6776e2c20ae71001e0eeeb13edbd50dbdebf7515116be0f0083ecf

  • SHA512

    0d3280eb635ec7c870b856060f11ebba4c01f4ae77ae43dc21442138215a665c2c447031d35a571cc1b2e45cdf13ee137ab90c01781998ea807d3e4c4e08b38e

  • SSDEEP

    6144:fob34ERMS/H7YAVsobrVn5G4E3Hi96mbQzJWFO8Omw4G:QboEj/8ASWM4Ki96/zqIKG

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

    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\e06d50ec3f6776e2c20ae71001e0eeeb13edbd50dbdebf7515116be0f0083ecf.exe
    "C:\Users\Admin\AppData\Local\Temp\e06d50ec3f6776e2c20ae71001e0eeeb13edbd50dbdebf7515116be0f0083ecf.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:4672
    • 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:2120

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        • C:\Users\Admin\AppData\Local\Temp\9AC9.tmp

          Filesize

          24KB

          MD5

          72582c921cad2c9516d29ce1859bfd59

          SHA1

          044cb788956b05806df9b6caf750b6f2f4ee2e7a

          SHA256

          dc39f49f13b75465ea09928316d7919c7ca3f83ae28b2e27456952aec61fc08f

          SHA512

          862c19559b31fdd8c2585793a880f48cb47a03061778760bf2bc703c38f84070df157286677ff6856623eb946e0c92abda4a57748418714586bb19021ff6b1f1

        • C:\Users\Admin\AppData\Local\Temp\9CB9.tmp

          Filesize

          481B

          MD5

          88b694ce4f2e204426940bf08ced2f98

          SHA1

          2af1502295a3530bbb51c284dd7c9a7f0fd454d6

          SHA256

          27754bddfe21c43c9b71f2e1d802f8dd4e5a2ee528ac911d5a676ea5238db6c9

          SHA512

          373c0fc165f0b6e4af57c5fc92081d66be686c330628b7e61036f899aac0649039cb63040367fbae9e480a9535485a473abbdbfad168ab25d6ae4c75d7433b58

        • C:\Windows\apppatch\svchost.exe

          Filesize

          212KB

          MD5

          502cdc3f69abef7cb7de10f2a1ad99a6

          SHA1

          cb404f07f2de1c5bdb7dc5fe7c550a4777f289d5

          SHA256

          d241affdaa299b6a5620c116a69f2d85a613015f8ee5fb90c66c185560cfddd0

          SHA512

          ae281649d928cba49790ea167033ac99810c8b276299ceb2399aea01cbe9887975a48b384e10022a3cefafa344bce8fe906a359723801e337d9416a04d403c69

        • memory/2120-50-0x0000000002D00000-0x0000000002DB6000-memory.dmp

          Filesize

          728KB

        • memory/2120-45-0x0000000002D00000-0x0000000002DB6000-memory.dmp

          Filesize

          728KB

        • memory/2120-25-0x0000000002D00000-0x0000000002DB6000-memory.dmp

          Filesize

          728KB

        • memory/2120-26-0x0000000002D00000-0x0000000002DB6000-memory.dmp

          Filesize

          728KB

        • memory/2120-29-0x0000000002D00000-0x0000000002DB6000-memory.dmp

          Filesize

          728KB

        • memory/2120-19-0x0000000000400000-0x00000000005BA000-memory.dmp

          Filesize

          1.7MB

        • memory/2120-20-0x0000000002D00000-0x0000000002DB6000-memory.dmp

          Filesize

          728KB

        • memory/2120-24-0x0000000002D00000-0x0000000002DB6000-memory.dmp

          Filesize

          728KB

        • memory/2120-22-0x0000000002D00000-0x0000000002DB6000-memory.dmp

          Filesize

          728KB

        • memory/2120-40-0x0000000002D00000-0x0000000002DB6000-memory.dmp

          Filesize

          728KB

        • memory/2120-41-0x0000000002D00000-0x0000000002DB6000-memory.dmp

          Filesize

          728KB

        • memory/2120-80-0x0000000002D00000-0x0000000002DB6000-memory.dmp

          Filesize

          728KB

        • memory/2120-78-0x0000000002D00000-0x0000000002DB6000-memory.dmp

          Filesize

          728KB

        • memory/2120-77-0x0000000002D00000-0x0000000002DB6000-memory.dmp

          Filesize

          728KB

        • memory/2120-75-0x0000000002D00000-0x0000000002DB6000-memory.dmp

          Filesize

          728KB

        • memory/2120-74-0x0000000002D00000-0x0000000002DB6000-memory.dmp

          Filesize

          728KB

        • memory/2120-72-0x0000000002D00000-0x0000000002DB6000-memory.dmp

          Filesize

          728KB

        • memory/2120-71-0x0000000002D00000-0x0000000002DB6000-memory.dmp

          Filesize

          728KB

        • memory/2120-69-0x0000000002D00000-0x0000000002DB6000-memory.dmp

          Filesize

          728KB

        • memory/2120-68-0x0000000002D00000-0x0000000002DB6000-memory.dmp

          Filesize

          728KB

        • memory/2120-17-0x0000000000400000-0x00000000005BA000-memory.dmp

          Filesize

          1.7MB

        • memory/2120-66-0x0000000002D00000-0x0000000002DB6000-memory.dmp

          Filesize

          728KB

        • memory/2120-65-0x0000000002D00000-0x0000000002DB6000-memory.dmp

          Filesize

          728KB

        • memory/2120-63-0x0000000002D00000-0x0000000002DB6000-memory.dmp

          Filesize

          728KB

        • memory/2120-12-0x0000000000400000-0x00000000005BA000-memory.dmp

          Filesize

          1.7MB

        • memory/2120-62-0x0000000002D00000-0x0000000002DB6000-memory.dmp

          Filesize

          728KB

        • memory/2120-60-0x0000000002D00000-0x0000000002DB6000-memory.dmp

          Filesize

          728KB

        • memory/2120-59-0x0000000002D00000-0x0000000002DB6000-memory.dmp

          Filesize

          728KB

        • memory/2120-57-0x0000000002D00000-0x0000000002DB6000-memory.dmp

          Filesize

          728KB

        • memory/2120-56-0x0000000002D00000-0x0000000002DB6000-memory.dmp

          Filesize

          728KB

        • memory/2120-54-0x0000000002D00000-0x0000000002DB6000-memory.dmp

          Filesize

          728KB

        • memory/2120-53-0x0000000002D00000-0x0000000002DB6000-memory.dmp

          Filesize

          728KB

        • memory/2120-52-0x0000000002D00000-0x0000000002DB6000-memory.dmp

          Filesize

          728KB

        • memory/2120-44-0x0000000002D00000-0x0000000002DB6000-memory.dmp

          Filesize

          728KB

        • memory/2120-18-0x0000000002B10000-0x0000000002BB8000-memory.dmp

          Filesize

          672KB

        • memory/2120-47-0x0000000002D00000-0x0000000002DB6000-memory.dmp

          Filesize

          728KB

        • memory/2120-16-0x0000000000400000-0x00000000005BA000-memory.dmp

          Filesize

          1.7MB

        • memory/2120-42-0x0000000002D00000-0x0000000002DB6000-memory.dmp

          Filesize

          728KB

        • memory/2120-39-0x0000000002D00000-0x0000000002DB6000-memory.dmp

          Filesize

          728KB

        • memory/2120-38-0x0000000002D00000-0x0000000002DB6000-memory.dmp

          Filesize

          728KB

        • memory/2120-36-0x0000000002D00000-0x0000000002DB6000-memory.dmp

          Filesize

          728KB

        • memory/2120-35-0x0000000002D00000-0x0000000002DB6000-memory.dmp

          Filesize

          728KB

        • memory/2120-33-0x0000000002D00000-0x0000000002DB6000-memory.dmp

          Filesize

          728KB

        • memory/2120-31-0x0000000002D00000-0x0000000002DB6000-memory.dmp

          Filesize

          728KB

        • memory/2120-30-0x0000000002D00000-0x0000000002DB6000-memory.dmp

          Filesize

          728KB

        • memory/2120-28-0x0000000002D00000-0x0000000002DB6000-memory.dmp

          Filesize

          728KB

        • memory/2120-27-0x0000000002D00000-0x0000000002DB6000-memory.dmp

          Filesize

          728KB

        • memory/2120-76-0x0000000002D00000-0x0000000002DB6000-memory.dmp

          Filesize

          728KB

        • memory/2120-73-0x0000000002D00000-0x0000000002DB6000-memory.dmp

          Filesize

          728KB

        • memory/2120-70-0x0000000002D00000-0x0000000002DB6000-memory.dmp

          Filesize

          728KB

        • memory/2120-67-0x0000000002D00000-0x0000000002DB6000-memory.dmp

          Filesize

          728KB

        • memory/2120-64-0x0000000002D00000-0x0000000002DB6000-memory.dmp

          Filesize

          728KB

        • memory/2120-61-0x0000000002D00000-0x0000000002DB6000-memory.dmp

          Filesize

          728KB

        • memory/2120-58-0x0000000002D00000-0x0000000002DB6000-memory.dmp

          Filesize

          728KB

        • memory/2120-55-0x0000000002D00000-0x0000000002DB6000-memory.dmp

          Filesize

          728KB

        • memory/2120-51-0x0000000002D00000-0x0000000002DB6000-memory.dmp

          Filesize

          728KB

        • memory/2120-49-0x0000000002D00000-0x0000000002DB6000-memory.dmp

          Filesize

          728KB

        • memory/2120-48-0x0000000002D00000-0x0000000002DB6000-memory.dmp

          Filesize

          728KB

        • memory/2120-46-0x0000000002D00000-0x0000000002DB6000-memory.dmp

          Filesize

          728KB

        • memory/2120-43-0x0000000002D00000-0x0000000002DB6000-memory.dmp

          Filesize

          728KB

        • memory/2120-37-0x0000000002D00000-0x0000000002DB6000-memory.dmp

          Filesize

          728KB

        • memory/2120-34-0x0000000002D00000-0x0000000002DB6000-memory.dmp

          Filesize

          728KB

        • memory/2120-32-0x0000000002D00000-0x0000000002DB6000-memory.dmp

          Filesize

          728KB

        • memory/4672-2-0x0000000000400000-0x000000000045F000-memory.dmp

          Filesize

          380KB

        • memory/4672-1-0x0000000000890000-0x00000000008E1000-memory.dmp

          Filesize

          324KB

        • memory/4672-0-0x0000000000400000-0x00000000005BA000-memory.dmp

          Filesize

          1.7MB

        • memory/4672-13-0x0000000000400000-0x00000000005BA000-memory.dmp

          Filesize

          1.7MB

        • memory/4672-15-0x0000000000400000-0x000000000045F000-memory.dmp

          Filesize

          380KB

        • memory/4672-14-0x0000000000890000-0x00000000008E1000-memory.dmp

          Filesize

          324KB