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Analysis

  • max time kernel
    111s
  • max time network
    119s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    19/12/2024, 02:51

General

  • Target

    aea9e4d96d8aac58e16e93be0ca75c46ebd45d160e4afdac08985d573b67709e.exe

  • Size

    208KB

  • MD5

    5aa04a2d2bada2b5a682d6a14a3a4f16

  • SHA1

    44115345f0dcbfea927b2eeb6c25343bc30dbf1b

  • SHA256

    aea9e4d96d8aac58e16e93be0ca75c46ebd45d160e4afdac08985d573b67709e

  • SHA512

    61865ba3b0b7fd496f742905064fb644ca8dd6004383125ae5550d348a01039e0f99389fdea82362e89ced1918e4bdabcb5c9bf7a188b2a38ea905885f8e243c

  • SSDEEP

    6144:uOYX27lPBA3YDMw4lj6idlMlwl7/79C87g:uwBAy0rlMI5S

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\aea9e4d96d8aac58e16e93be0ca75c46ebd45d160e4afdac08985d573b67709e.exe
    "C:\Users\Admin\AppData\Local\Temp\aea9e4d96d8aac58e16e93be0ca75c46ebd45d160e4afdac08985d573b67709e.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:3156
    • 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:3552

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Windows\apppatch\svchost.exe

    Filesize

    208KB

    MD5

    4445fa7c47ccfcae06fd3dbc61e672ee

    SHA1

    88076988019cd9fc4758e55bd65ad9247bf7f42b

    SHA256

    8d6313b7538f0476003d882753e5eb96402aa64d31134105f73d82611873913e

    SHA512

    869fbb5cc999b840d4556df9ca615a31d08ec7ebd37d135e51a33eb9d65d504e2d968601d2950828f1a8d3ba17fca16d15b4f9cb0c8f34a642273eab5c0fbbfd

  • memory/3156-0-0x0000000000400000-0x00000000004C7000-memory.dmp

    Filesize

    796KB

  • memory/3156-1-0x0000000002260000-0x00000000022B1000-memory.dmp

    Filesize

    324KB

  • memory/3156-2-0x0000000000400000-0x000000000045F000-memory.dmp

    Filesize

    380KB

  • memory/3156-14-0x0000000000400000-0x00000000004C7000-memory.dmp

    Filesize

    796KB

  • memory/3156-16-0x0000000000400000-0x000000000045F000-memory.dmp

    Filesize

    380KB

  • memory/3156-15-0x0000000002260000-0x00000000022B1000-memory.dmp

    Filesize

    324KB

  • memory/3552-12-0x0000000000400000-0x00000000004C7000-memory.dmp

    Filesize

    796KB

  • memory/3552-13-0x0000000000400000-0x00000000004C7000-memory.dmp

    Filesize

    796KB

  • memory/3552-17-0x0000000000400000-0x00000000004C7000-memory.dmp

    Filesize

    796KB

  • memory/3552-18-0x0000000002A00000-0x0000000002AA8000-memory.dmp

    Filesize

    672KB

  • memory/3552-19-0x0000000000400000-0x00000000004C7000-memory.dmp

    Filesize

    796KB

  • memory/3552-20-0x0000000002BF0000-0x0000000002CA6000-memory.dmp

    Filesize

    728KB

  • memory/3552-22-0x0000000002BF0000-0x0000000002CA6000-memory.dmp

    Filesize

    728KB

  • memory/3552-24-0x0000000002BF0000-0x0000000002CA6000-memory.dmp

    Filesize

    728KB

  • memory/3552-35-0x0000000002BF0000-0x0000000002CA6000-memory.dmp

    Filesize

    728KB

  • memory/3552-37-0x0000000002BF0000-0x0000000002CA6000-memory.dmp

    Filesize

    728KB

  • memory/3552-79-0x0000000002BF0000-0x0000000002CA6000-memory.dmp

    Filesize

    728KB

  • memory/3552-78-0x0000000002BF0000-0x0000000002CA6000-memory.dmp

    Filesize

    728KB

  • memory/3552-77-0x0000000002BF0000-0x0000000002CA6000-memory.dmp

    Filesize

    728KB

  • memory/3552-76-0x0000000002BF0000-0x0000000002CA6000-memory.dmp

    Filesize

    728KB

  • memory/3552-75-0x0000000002BF0000-0x0000000002CA6000-memory.dmp

    Filesize

    728KB

  • memory/3552-74-0x0000000002BF0000-0x0000000002CA6000-memory.dmp

    Filesize

    728KB

  • memory/3552-73-0x0000000002BF0000-0x0000000002CA6000-memory.dmp

    Filesize

    728KB

  • memory/3552-72-0x0000000002BF0000-0x0000000002CA6000-memory.dmp

    Filesize

    728KB

  • memory/3552-71-0x0000000002BF0000-0x0000000002CA6000-memory.dmp

    Filesize

    728KB

  • memory/3552-70-0x0000000002BF0000-0x0000000002CA6000-memory.dmp

    Filesize

    728KB

  • memory/3552-69-0x0000000002BF0000-0x0000000002CA6000-memory.dmp

    Filesize

    728KB

  • memory/3552-68-0x0000000002BF0000-0x0000000002CA6000-memory.dmp

    Filesize

    728KB

  • memory/3552-67-0x0000000002BF0000-0x0000000002CA6000-memory.dmp

    Filesize

    728KB

  • memory/3552-66-0x0000000002BF0000-0x0000000002CA6000-memory.dmp

    Filesize

    728KB

  • memory/3552-64-0x0000000002BF0000-0x0000000002CA6000-memory.dmp

    Filesize

    728KB

  • memory/3552-63-0x0000000002BF0000-0x0000000002CA6000-memory.dmp

    Filesize

    728KB

  • memory/3552-61-0x0000000002BF0000-0x0000000002CA6000-memory.dmp

    Filesize

    728KB

  • memory/3552-60-0x0000000002BF0000-0x0000000002CA6000-memory.dmp

    Filesize

    728KB

  • memory/3552-59-0x0000000002BF0000-0x0000000002CA6000-memory.dmp

    Filesize

    728KB

  • memory/3552-58-0x0000000002BF0000-0x0000000002CA6000-memory.dmp

    Filesize

    728KB

  • memory/3552-57-0x0000000002BF0000-0x0000000002CA6000-memory.dmp

    Filesize

    728KB

  • memory/3552-56-0x0000000002BF0000-0x0000000002CA6000-memory.dmp

    Filesize

    728KB

  • memory/3552-55-0x0000000002BF0000-0x0000000002CA6000-memory.dmp

    Filesize

    728KB

  • memory/3552-54-0x0000000002BF0000-0x0000000002CA6000-memory.dmp

    Filesize

    728KB

  • memory/3552-53-0x0000000002BF0000-0x0000000002CA6000-memory.dmp

    Filesize

    728KB

  • memory/3552-52-0x0000000002BF0000-0x0000000002CA6000-memory.dmp

    Filesize

    728KB

  • memory/3552-51-0x0000000002BF0000-0x0000000002CA6000-memory.dmp

    Filesize

    728KB

  • memory/3552-49-0x0000000002BF0000-0x0000000002CA6000-memory.dmp

    Filesize

    728KB

  • memory/3552-47-0x0000000002BF0000-0x0000000002CA6000-memory.dmp

    Filesize

    728KB

  • memory/3552-46-0x0000000002BF0000-0x0000000002CA6000-memory.dmp

    Filesize

    728KB

  • memory/3552-45-0x0000000002BF0000-0x0000000002CA6000-memory.dmp

    Filesize

    728KB

  • memory/3552-44-0x0000000002BF0000-0x0000000002CA6000-memory.dmp

    Filesize

    728KB

  • memory/3552-43-0x0000000002BF0000-0x0000000002CA6000-memory.dmp

    Filesize

    728KB

  • memory/3552-42-0x0000000002BF0000-0x0000000002CA6000-memory.dmp

    Filesize

    728KB

  • memory/3552-41-0x0000000002BF0000-0x0000000002CA6000-memory.dmp

    Filesize

    728KB

  • memory/3552-40-0x0000000002BF0000-0x0000000002CA6000-memory.dmp

    Filesize

    728KB

  • memory/3552-39-0x0000000002BF0000-0x0000000002CA6000-memory.dmp

    Filesize

    728KB

  • memory/3552-38-0x0000000002BF0000-0x0000000002CA6000-memory.dmp

    Filesize

    728KB

  • memory/3552-36-0x0000000002BF0000-0x0000000002CA6000-memory.dmp

    Filesize

    728KB

  • memory/3552-34-0x0000000002BF0000-0x0000000002CA6000-memory.dmp

    Filesize

    728KB

  • memory/3552-33-0x0000000002BF0000-0x0000000002CA6000-memory.dmp

    Filesize

    728KB

  • memory/3552-32-0x0000000002BF0000-0x0000000002CA6000-memory.dmp

    Filesize

    728KB

  • memory/3552-30-0x0000000002BF0000-0x0000000002CA6000-memory.dmp

    Filesize

    728KB

  • memory/3552-29-0x0000000002BF0000-0x0000000002CA6000-memory.dmp

    Filesize

    728KB

  • memory/3552-28-0x0000000002BF0000-0x0000000002CA6000-memory.dmp

    Filesize

    728KB

  • memory/3552-27-0x0000000002BF0000-0x0000000002CA6000-memory.dmp

    Filesize

    728KB

  • memory/3552-26-0x0000000002BF0000-0x0000000002CA6000-memory.dmp

    Filesize

    728KB

  • memory/3552-65-0x0000000002BF0000-0x0000000002CA6000-memory.dmp

    Filesize

    728KB

  • memory/3552-62-0x0000000002BF0000-0x0000000002CA6000-memory.dmp

    Filesize

    728KB

  • memory/3552-50-0x0000000002BF0000-0x0000000002CA6000-memory.dmp

    Filesize

    728KB

  • memory/3552-48-0x0000000002BF0000-0x0000000002CA6000-memory.dmp

    Filesize

    728KB

  • memory/3552-31-0x0000000002BF0000-0x0000000002CA6000-memory.dmp

    Filesize

    728KB

  • memory/3552-25-0x0000000002BF0000-0x0000000002CA6000-memory.dmp

    Filesize

    728KB