Analysis

  • max time kernel
    150s
  • max time network
    150s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    10-01-2025 20:45

General

  • Target

    b0404029838cae5527dfa1aae9a936dbf7c3cc7799229fface196ffeaa3a2c8e.exe

  • Size

    208KB

  • MD5

    75f7c2024b21a897ea58beaed7972ded

  • SHA1

    432278fa5d2b432ab47a513c8325094176d44bca

  • SHA256

    b0404029838cae5527dfa1aae9a936dbf7c3cc7799229fface196ffeaa3a2c8e

  • SHA512

    636427154530cfe620b4284076968c5ca8f79967143ddee300b475db98c0bc954992f79c87946150dc6c3987a429b3873bdc627ad16a36c5f822a2ca473653a8

  • SSDEEP

    6144:JZWia9ubuBsyGvMwlvaB8Mi5vz9IGePA+hq5K:bquCuygMQjd5vJIBP1h

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

  • Simda family
  • simda

    Simda is an infostealer written in C++.

  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 2 IoCs
  • Modifies WinLogon 2 TTPs 1 IoCs
  • Drops file in Program Files directory 16 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.

  • Modifies registry class 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 1 IoCs
  • Suspicious behavior: RenamesItself 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 4 IoCs
  • Suspicious use of WriteProcessMemory 4 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\b0404029838cae5527dfa1aae9a936dbf7c3cc7799229fface196ffeaa3a2c8e.exe
    "C:\Users\Admin\AppData\Local\Temp\b0404029838cae5527dfa1aae9a936dbf7c3cc7799229fface196ffeaa3a2c8e.exe"
    1⤵
    • Loads dropped DLL
    • Modifies WinLogon
    • Drops file in Windows directory
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: RenamesItself
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1992
    • C:\Windows\apppatch\svchost.exe
      "C:\Windows\apppatch\svchost.exe"
      2⤵
      • Executes dropped EXE
      • Drops file in Program Files directory
      • System Location Discovery: System Language Discovery
      • Modifies registry class
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:1984

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • \Windows\AppPatch\svchost.exe

    Filesize

    208KB

    MD5

    f142f53da9dbd93318b24628d8c4b58c

    SHA1

    3b0fa373814eede2790d2d9bf54199a31d92e797

    SHA256

    17566b0df4546d3fc121ae2c06f18b40c0cd485d11d65f882fd666998d86cab3

    SHA512

    c0b6f561befc2f9aa8378cc4062485b72d755789e26d3528e7d6529721865f2fa2f01d9be2ec72c248ac4564e53a0d03b9a1ec58a47caaff1f91ec12ec1b14b1

  • memory/1984-73-0x0000000002810000-0x00000000028C7000-memory.dmp

    Filesize

    732KB

  • memory/1984-45-0x0000000002810000-0x00000000028C7000-memory.dmp

    Filesize

    732KB

  • memory/1984-23-0x0000000000400000-0x000000000048D000-memory.dmp

    Filesize

    564KB

  • memory/1984-24-0x0000000002660000-0x000000000270A000-memory.dmp

    Filesize

    680KB

  • memory/1984-74-0x0000000002810000-0x00000000028C7000-memory.dmp

    Filesize

    732KB

  • memory/1984-44-0x0000000002810000-0x00000000028C7000-memory.dmp

    Filesize

    732KB

  • memory/1984-18-0x0000000000400000-0x000000000048D000-memory.dmp

    Filesize

    564KB

  • memory/1984-63-0x0000000002810000-0x00000000028C7000-memory.dmp

    Filesize

    732KB

  • memory/1984-26-0x0000000002660000-0x000000000270A000-memory.dmp

    Filesize

    680KB

  • memory/1984-34-0x0000000002660000-0x000000000270A000-memory.dmp

    Filesize

    680KB

  • memory/1984-72-0x0000000002810000-0x00000000028C7000-memory.dmp

    Filesize

    732KB

  • memory/1984-30-0x0000000002660000-0x000000000270A000-memory.dmp

    Filesize

    680KB

  • memory/1984-28-0x0000000002660000-0x000000000270A000-memory.dmp

    Filesize

    680KB

  • memory/1984-32-0x0000000002660000-0x000000000270A000-memory.dmp

    Filesize

    680KB

  • memory/1984-36-0x0000000002810000-0x00000000028C7000-memory.dmp

    Filesize

    732KB

  • memory/1984-38-0x0000000002810000-0x00000000028C7000-memory.dmp

    Filesize

    732KB

  • memory/1984-41-0x0000000002810000-0x00000000028C7000-memory.dmp

    Filesize

    732KB

  • memory/1984-43-0x0000000002810000-0x00000000028C7000-memory.dmp

    Filesize

    732KB

  • memory/1984-53-0x0000000002810000-0x00000000028C7000-memory.dmp

    Filesize

    732KB

  • memory/1984-86-0x0000000002810000-0x00000000028C7000-memory.dmp

    Filesize

    732KB

  • memory/1984-85-0x0000000002810000-0x00000000028C7000-memory.dmp

    Filesize

    732KB

  • memory/1984-84-0x0000000002810000-0x00000000028C7000-memory.dmp

    Filesize

    732KB

  • memory/1984-83-0x0000000002810000-0x00000000028C7000-memory.dmp

    Filesize

    732KB

  • memory/1984-81-0x0000000002810000-0x00000000028C7000-memory.dmp

    Filesize

    732KB

  • memory/1984-80-0x0000000002810000-0x00000000028C7000-memory.dmp

    Filesize

    732KB

  • memory/1984-79-0x0000000002810000-0x00000000028C7000-memory.dmp

    Filesize

    732KB

  • memory/1984-78-0x0000000002810000-0x00000000028C7000-memory.dmp

    Filesize

    732KB

  • memory/1984-77-0x0000000002810000-0x00000000028C7000-memory.dmp

    Filesize

    732KB

  • memory/1984-76-0x0000000002810000-0x00000000028C7000-memory.dmp

    Filesize

    732KB

  • memory/1984-75-0x0000000002810000-0x00000000028C7000-memory.dmp

    Filesize

    732KB

  • memory/1984-42-0x0000000002810000-0x00000000028C7000-memory.dmp

    Filesize

    732KB

  • memory/1984-19-0x0000000000400000-0x000000000048D000-memory.dmp

    Filesize

    564KB

  • memory/1984-35-0x0000000000400000-0x000000000048D000-memory.dmp

    Filesize

    564KB

  • memory/1984-71-0x0000000002810000-0x00000000028C7000-memory.dmp

    Filesize

    732KB

  • memory/1984-70-0x0000000002810000-0x00000000028C7000-memory.dmp

    Filesize

    732KB

  • memory/1984-69-0x0000000002810000-0x00000000028C7000-memory.dmp

    Filesize

    732KB

  • memory/1984-68-0x0000000002810000-0x00000000028C7000-memory.dmp

    Filesize

    732KB

  • memory/1984-67-0x0000000002810000-0x00000000028C7000-memory.dmp

    Filesize

    732KB

  • memory/1984-66-0x0000000002810000-0x00000000028C7000-memory.dmp

    Filesize

    732KB

  • memory/1984-65-0x0000000002810000-0x00000000028C7000-memory.dmp

    Filesize

    732KB

  • memory/1984-64-0x0000000002810000-0x00000000028C7000-memory.dmp

    Filesize

    732KB

  • memory/1984-62-0x0000000002810000-0x00000000028C7000-memory.dmp

    Filesize

    732KB

  • memory/1984-61-0x0000000002810000-0x00000000028C7000-memory.dmp

    Filesize

    732KB

  • memory/1984-60-0x0000000002810000-0x00000000028C7000-memory.dmp

    Filesize

    732KB

  • memory/1984-59-0x0000000002810000-0x00000000028C7000-memory.dmp

    Filesize

    732KB

  • memory/1984-58-0x0000000002810000-0x00000000028C7000-memory.dmp

    Filesize

    732KB

  • memory/1984-57-0x0000000002810000-0x00000000028C7000-memory.dmp

    Filesize

    732KB

  • memory/1984-56-0x0000000002810000-0x00000000028C7000-memory.dmp

    Filesize

    732KB

  • memory/1984-55-0x0000000002810000-0x00000000028C7000-memory.dmp

    Filesize

    732KB

  • memory/1984-54-0x0000000002810000-0x00000000028C7000-memory.dmp

    Filesize

    732KB

  • memory/1984-52-0x0000000002810000-0x00000000028C7000-memory.dmp

    Filesize

    732KB

  • memory/1984-51-0x0000000002810000-0x00000000028C7000-memory.dmp

    Filesize

    732KB

  • memory/1984-50-0x0000000002810000-0x00000000028C7000-memory.dmp

    Filesize

    732KB

  • memory/1984-49-0x0000000002810000-0x00000000028C7000-memory.dmp

    Filesize

    732KB

  • memory/1984-82-0x0000000002810000-0x00000000028C7000-memory.dmp

    Filesize

    732KB

  • memory/1984-48-0x0000000002810000-0x00000000028C7000-memory.dmp

    Filesize

    732KB

  • memory/1984-47-0x0000000002810000-0x00000000028C7000-memory.dmp

    Filesize

    732KB

  • memory/1984-46-0x0000000002810000-0x00000000028C7000-memory.dmp

    Filesize

    732KB

  • memory/1992-22-0x0000000000400000-0x000000000045F000-memory.dmp

    Filesize

    380KB

  • memory/1992-2-0x0000000000400000-0x000000000045F000-memory.dmp

    Filesize

    380KB

  • memory/1992-1-0x00000000002E0000-0x0000000000332000-memory.dmp

    Filesize

    328KB

  • memory/1992-0-0x0000000000400000-0x000000000048D000-memory.dmp

    Filesize

    564KB

  • memory/1992-21-0x00000000002E0000-0x0000000000332000-memory.dmp

    Filesize

    328KB

  • memory/1992-20-0x0000000000400000-0x000000000048D000-memory.dmp

    Filesize

    564KB