Analysis

  • max time kernel
    150s
  • max time network
    151s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    25-01-2025 01:04

General

  • Target

    69a6b092b83923d914f7ffe39cebee7c6d5133ef8a17c50a74c407ca8c405e8c.exe

  • Size

    204KB

  • MD5

    ffb27193559cc2024c581c418723cf19

  • SHA1

    680d56970a4b03028451421fd1d1071293c1d287

  • SHA256

    69a6b092b83923d914f7ffe39cebee7c6d5133ef8a17c50a74c407ca8c405e8c

  • SHA512

    6d31808155d7eb221a7fdf7e2847194d37fdb0d5b18889d075428e6fac9369e2ad9d99dafa9ce5685143d81ac15f3a12911600c16a84f754f30ef7421ae3141e

  • SSDEEP

    3072:d5u7yT4TVbkuRaX1w71jnRkCoyJTarYWbV+HOFxg+z1WxJsqWkoyjOowUVl/TlA4:dLexkuRaX41xoyJV65gzyZko+ucZ

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\69a6b092b83923d914f7ffe39cebee7c6d5133ef8a17c50a74c407ca8c405e8c.exe
    "C:\Users\Admin\AppData\Local\Temp\69a6b092b83923d914f7ffe39cebee7c6d5133ef8a17c50a74c407ca8c405e8c.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:1980
    • 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:2444

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Temp\7355.tmp

    Filesize

    593B

    MD5

    3b03d93d3487806337b5c6443ce7a62d

    SHA1

    93a7a790bb6348606cbdaf5daeaaf4ea8cf731d0

    SHA256

    7392749832c70fcfc2d440d7afc2f880000dd564930d95d634eb1199fa15de30

    SHA512

    770977beaeedafc5c98d0c32edc8c6c850f05e9f363bc9997fa73991646b02e5d40ceed0017b06caeab0db86423844bc4b0a9f0df2d8239230e423a7bfbd4a88

  • C:\Users\Admin\AppData\Local\Temp\7355.tmp

    Filesize

    593B

    MD5

    926512864979bc27cf187f1de3f57aff

    SHA1

    acdeb9d6187932613c7fa08eaf28f0cd8116f4b5

    SHA256

    b3e893a653ec06c05ee90f2f6e98cc052a92f6616d7cca8c416420e178dcc73f

    SHA512

    f6f9fd3ca9305bec879cfcd38e64111a18e65e30d25c49e9f2cd546cbab9b2dcd03eca81952f6b77c0eaab20192ef7bef0d8d434f6f371811929e75f8620633b

  • C:\Windows\apppatch\svchost.exe

    Filesize

    204KB

    MD5

    0cd4a8464d2ff1b319f9c5e873b9b533

    SHA1

    7ff0fe9775247836e8f9a004dd2d4fe98263530e

    SHA256

    60f03a66dc62e6360e67b0f2905d513181622c376b666fcaea05a902a11ac3fb

    SHA512

    e5e19df7d797dca6f07966d31d7a98d84fa84cfc98fad9b1c8622e5c658e52d5356fbc401baef9c185bfda1bfa1e81528cb4174e32c1978efaabe4bdd72815d4

  • memory/1980-0-0x0000000000400000-0x000000000057D000-memory.dmp

    Filesize

    1.5MB

  • memory/1980-1-0x00000000022D0000-0x0000000002321000-memory.dmp

    Filesize

    324KB

  • memory/1980-2-0x0000000000400000-0x000000000045F000-memory.dmp

    Filesize

    380KB

  • memory/1980-16-0x0000000000400000-0x000000000045F000-memory.dmp

    Filesize

    380KB

  • memory/1980-15-0x00000000022D0000-0x0000000002321000-memory.dmp

    Filesize

    324KB

  • memory/1980-14-0x0000000000400000-0x000000000057D000-memory.dmp

    Filesize

    1.5MB

  • memory/2444-62-0x0000000002CF0000-0x0000000002DA6000-memory.dmp

    Filesize

    728KB

  • memory/2444-56-0x0000000002CF0000-0x0000000002DA6000-memory.dmp

    Filesize

    728KB

  • memory/2444-17-0x0000000000400000-0x000000000057D000-memory.dmp

    Filesize

    1.5MB

  • memory/2444-18-0x0000000002B40000-0x0000000002BE8000-memory.dmp

    Filesize

    672KB

  • memory/2444-19-0x0000000000400000-0x000000000057D000-memory.dmp

    Filesize

    1.5MB

  • memory/2444-20-0x0000000002CF0000-0x0000000002DA6000-memory.dmp

    Filesize

    728KB

  • memory/2444-24-0x0000000002CF0000-0x0000000002DA6000-memory.dmp

    Filesize

    728KB

  • memory/2444-22-0x0000000002CF0000-0x0000000002DA6000-memory.dmp

    Filesize

    728KB

  • memory/2444-25-0x0000000002CF0000-0x0000000002DA6000-memory.dmp

    Filesize

    728KB

  • memory/2444-37-0x0000000002CF0000-0x0000000002DA6000-memory.dmp

    Filesize

    728KB

  • memory/2444-77-0x0000000002CF0000-0x0000000002DA6000-memory.dmp

    Filesize

    728KB

  • memory/2444-79-0x0000000002CF0000-0x0000000002DA6000-memory.dmp

    Filesize

    728KB

  • memory/2444-76-0x0000000002CF0000-0x0000000002DA6000-memory.dmp

    Filesize

    728KB

  • memory/2444-75-0x0000000002CF0000-0x0000000002DA6000-memory.dmp

    Filesize

    728KB

  • memory/2444-74-0x0000000002CF0000-0x0000000002DA6000-memory.dmp

    Filesize

    728KB

  • memory/2444-73-0x0000000002CF0000-0x0000000002DA6000-memory.dmp

    Filesize

    728KB

  • memory/2444-72-0x0000000002CF0000-0x0000000002DA6000-memory.dmp

    Filesize

    728KB

  • memory/2444-71-0x0000000002CF0000-0x0000000002DA6000-memory.dmp

    Filesize

    728KB

  • memory/2444-70-0x0000000002CF0000-0x0000000002DA6000-memory.dmp

    Filesize

    728KB

  • memory/2444-69-0x0000000002CF0000-0x0000000002DA6000-memory.dmp

    Filesize

    728KB

  • memory/2444-68-0x0000000002CF0000-0x0000000002DA6000-memory.dmp

    Filesize

    728KB

  • memory/2444-67-0x0000000002CF0000-0x0000000002DA6000-memory.dmp

    Filesize

    728KB

  • memory/2444-66-0x0000000002CF0000-0x0000000002DA6000-memory.dmp

    Filesize

    728KB

  • memory/2444-65-0x0000000002CF0000-0x0000000002DA6000-memory.dmp

    Filesize

    728KB

  • memory/2444-63-0x0000000002CF0000-0x0000000002DA6000-memory.dmp

    Filesize

    728KB

  • memory/2444-12-0x0000000000400000-0x000000000057D000-memory.dmp

    Filesize

    1.5MB

  • memory/2444-61-0x0000000002CF0000-0x0000000002DA6000-memory.dmp

    Filesize

    728KB

  • memory/2444-60-0x0000000002CF0000-0x0000000002DA6000-memory.dmp

    Filesize

    728KB

  • memory/2444-59-0x0000000002CF0000-0x0000000002DA6000-memory.dmp

    Filesize

    728KB

  • memory/2444-58-0x0000000002CF0000-0x0000000002DA6000-memory.dmp

    Filesize

    728KB

  • memory/2444-57-0x0000000002CF0000-0x0000000002DA6000-memory.dmp

    Filesize

    728KB

  • memory/2444-13-0x0000000000400000-0x000000000057D000-memory.dmp

    Filesize

    1.5MB

  • memory/2444-55-0x0000000002CF0000-0x0000000002DA6000-memory.dmp

    Filesize

    728KB

  • memory/2444-54-0x0000000002CF0000-0x0000000002DA6000-memory.dmp

    Filesize

    728KB

  • memory/2444-53-0x0000000002CF0000-0x0000000002DA6000-memory.dmp

    Filesize

    728KB

  • memory/2444-52-0x0000000002CF0000-0x0000000002DA6000-memory.dmp

    Filesize

    728KB

  • memory/2444-51-0x0000000002CF0000-0x0000000002DA6000-memory.dmp

    Filesize

    728KB

  • memory/2444-50-0x0000000002CF0000-0x0000000002DA6000-memory.dmp

    Filesize

    728KB

  • memory/2444-49-0x0000000002CF0000-0x0000000002DA6000-memory.dmp

    Filesize

    728KB

  • memory/2444-48-0x0000000002CF0000-0x0000000002DA6000-memory.dmp

    Filesize

    728KB

  • memory/2444-47-0x0000000002CF0000-0x0000000002DA6000-memory.dmp

    Filesize

    728KB

  • memory/2444-44-0x0000000002CF0000-0x0000000002DA6000-memory.dmp

    Filesize

    728KB

  • memory/2444-45-0x0000000002CF0000-0x0000000002DA6000-memory.dmp

    Filesize

    728KB

  • memory/2444-42-0x0000000002CF0000-0x0000000002DA6000-memory.dmp

    Filesize

    728KB

  • memory/2444-43-0x0000000002CF0000-0x0000000002DA6000-memory.dmp

    Filesize

    728KB

  • memory/2444-41-0x0000000002CF0000-0x0000000002DA6000-memory.dmp

    Filesize

    728KB

  • memory/2444-40-0x0000000002CF0000-0x0000000002DA6000-memory.dmp

    Filesize

    728KB

  • memory/2444-39-0x0000000002CF0000-0x0000000002DA6000-memory.dmp

    Filesize

    728KB

  • memory/2444-38-0x0000000002CF0000-0x0000000002DA6000-memory.dmp

    Filesize

    728KB

  • memory/2444-36-0x0000000002CF0000-0x0000000002DA6000-memory.dmp

    Filesize

    728KB

  • memory/2444-35-0x0000000002CF0000-0x0000000002DA6000-memory.dmp

    Filesize

    728KB

  • memory/2444-34-0x0000000002CF0000-0x0000000002DA6000-memory.dmp

    Filesize

    728KB

  • memory/2444-33-0x0000000002CF0000-0x0000000002DA6000-memory.dmp

    Filesize

    728KB

  • memory/2444-32-0x0000000002CF0000-0x0000000002DA6000-memory.dmp

    Filesize

    728KB

  • memory/2444-31-0x0000000002CF0000-0x0000000002DA6000-memory.dmp

    Filesize

    728KB

  • memory/2444-29-0x0000000002CF0000-0x0000000002DA6000-memory.dmp

    Filesize

    728KB

  • memory/2444-28-0x0000000002CF0000-0x0000000002DA6000-memory.dmp

    Filesize

    728KB

  • memory/2444-64-0x0000000002CF0000-0x0000000002DA6000-memory.dmp

    Filesize

    728KB

  • memory/2444-27-0x0000000002CF0000-0x0000000002DA6000-memory.dmp

    Filesize

    728KB

  • memory/2444-26-0x0000000002CF0000-0x0000000002DA6000-memory.dmp

    Filesize

    728KB

  • memory/2444-46-0x0000000002CF0000-0x0000000002DA6000-memory.dmp

    Filesize

    728KB

  • memory/2444-30-0x0000000002CF0000-0x0000000002DA6000-memory.dmp

    Filesize

    728KB