Analysis

  • max time kernel
    149s
  • max time network
    150s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    08-01-2025 06:28

General

  • Target

    ad857f6c3ddcec462a918e4cbda2982493d17d774b6a439b4f7e45854076c600.exe

  • Size

    208KB

  • MD5

    f9f19f161feb6743dd7059b71c53982b

  • SHA1

    559d105c04102403aba5112ba3c05e9b653f75c4

  • SHA256

    ad857f6c3ddcec462a918e4cbda2982493d17d774b6a439b4f7e45854076c600

  • SHA512

    6d0dc5e85654ecf2fcbab25c234c2e95ae4a35c498270bb47de9f0291ebcefa55693a7bde64b7abd84d0d5e057a018904c117405bb230b1534211e9ab4d612fb

  • SSDEEP

    6144:QZWia9ubuBsyGvMwlvaB8Mi5vz9IGePA+hq56:equCuygMQjd5vJIBP1p

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 15 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\ad857f6c3ddcec462a918e4cbda2982493d17d774b6a439b4f7e45854076c600.exe
    "C:\Users\Admin\AppData\Local\Temp\ad857f6c3ddcec462a918e4cbda2982493d17d774b6a439b4f7e45854076c600.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:2448
    • 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:1704

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • \Windows\AppPatch\svchost.exe

    Filesize

    208KB

    MD5

    facbf8a9ae2bcda25dab6648bf0bb695

    SHA1

    86af52cf42cbd4c668413dfdf71c5a93698e6386

    SHA256

    3b1d54fe1617306f80734a96ce0008d25e6b38b025b1b7c4b0f1ccc45d5b1a33

    SHA512

    11ae6966f4c3189df2c39e19b5e508219119bd445e2c39fa48b341847326fe07b4f20a61582c7e34a343afebf96958477ceb253dae7032406ed76784a5e6ff56

  • memory/1704-74-0x0000000002750000-0x0000000002807000-memory.dmp

    Filesize

    732KB

  • memory/1704-45-0x0000000002750000-0x0000000002807000-memory.dmp

    Filesize

    732KB

  • memory/1704-23-0x0000000000400000-0x000000000048D000-memory.dmp

    Filesize

    564KB

  • memory/1704-24-0x0000000002460000-0x000000000250A000-memory.dmp

    Filesize

    680KB

  • memory/1704-75-0x0000000002750000-0x0000000002807000-memory.dmp

    Filesize

    732KB

  • memory/1704-44-0x0000000002750000-0x0000000002807000-memory.dmp

    Filesize

    732KB

  • memory/1704-18-0x0000000000400000-0x000000000048D000-memory.dmp

    Filesize

    564KB

  • memory/1704-57-0x0000000002750000-0x0000000002807000-memory.dmp

    Filesize

    732KB

  • memory/1704-34-0x0000000002460000-0x000000000250A000-memory.dmp

    Filesize

    680KB

  • memory/1704-32-0x0000000002460000-0x000000000250A000-memory.dmp

    Filesize

    680KB

  • memory/1704-73-0x0000000002750000-0x0000000002807000-memory.dmp

    Filesize

    732KB

  • memory/1704-30-0x0000000002460000-0x000000000250A000-memory.dmp

    Filesize

    680KB

  • memory/1704-28-0x0000000002460000-0x000000000250A000-memory.dmp

    Filesize

    680KB

  • memory/1704-26-0x0000000002460000-0x000000000250A000-memory.dmp

    Filesize

    680KB

  • memory/1704-38-0x0000000002750000-0x0000000002807000-memory.dmp

    Filesize

    732KB

  • memory/1704-40-0x0000000002750000-0x0000000002807000-memory.dmp

    Filesize

    732KB

  • memory/1704-36-0x0000000002750000-0x0000000002807000-memory.dmp

    Filesize

    732KB

  • memory/1704-42-0x0000000002750000-0x0000000002807000-memory.dmp

    Filesize

    732KB

  • memory/1704-51-0x0000000002750000-0x0000000002807000-memory.dmp

    Filesize

    732KB

  • memory/1704-70-0x0000000002750000-0x0000000002807000-memory.dmp

    Filesize

    732KB

  • memory/1704-86-0x0000000002750000-0x0000000002807000-memory.dmp

    Filesize

    732KB

  • memory/1704-85-0x0000000002750000-0x0000000002807000-memory.dmp

    Filesize

    732KB

  • memory/1704-84-0x0000000002750000-0x0000000002807000-memory.dmp

    Filesize

    732KB

  • memory/1704-82-0x0000000002750000-0x0000000002807000-memory.dmp

    Filesize

    732KB

  • memory/1704-81-0x0000000002750000-0x0000000002807000-memory.dmp

    Filesize

    732KB

  • memory/1704-80-0x0000000002750000-0x0000000002807000-memory.dmp

    Filesize

    732KB

  • memory/1704-79-0x0000000002750000-0x0000000002807000-memory.dmp

    Filesize

    732KB

  • memory/1704-78-0x0000000002750000-0x0000000002807000-memory.dmp

    Filesize

    732KB

  • memory/1704-77-0x0000000002750000-0x0000000002807000-memory.dmp

    Filesize

    732KB

  • memory/1704-76-0x0000000002750000-0x0000000002807000-memory.dmp

    Filesize

    732KB

  • memory/1704-43-0x0000000002750000-0x0000000002807000-memory.dmp

    Filesize

    732KB

  • memory/1704-19-0x0000000000400000-0x000000000048D000-memory.dmp

    Filesize

    564KB

  • memory/1704-35-0x0000000000400000-0x000000000048D000-memory.dmp

    Filesize

    564KB

  • memory/1704-72-0x0000000002750000-0x0000000002807000-memory.dmp

    Filesize

    732KB

  • memory/1704-71-0x0000000002750000-0x0000000002807000-memory.dmp

    Filesize

    732KB

  • memory/1704-69-0x0000000002750000-0x0000000002807000-memory.dmp

    Filesize

    732KB

  • memory/1704-68-0x0000000002750000-0x0000000002807000-memory.dmp

    Filesize

    732KB

  • memory/1704-67-0x0000000002750000-0x0000000002807000-memory.dmp

    Filesize

    732KB

  • memory/1704-66-0x0000000002750000-0x0000000002807000-memory.dmp

    Filesize

    732KB

  • memory/1704-65-0x0000000002750000-0x0000000002807000-memory.dmp

    Filesize

    732KB

  • memory/1704-64-0x0000000002750000-0x0000000002807000-memory.dmp

    Filesize

    732KB

  • memory/1704-63-0x0000000002750000-0x0000000002807000-memory.dmp

    Filesize

    732KB

  • memory/1704-62-0x0000000002750000-0x0000000002807000-memory.dmp

    Filesize

    732KB

  • memory/1704-61-0x0000000002750000-0x0000000002807000-memory.dmp

    Filesize

    732KB

  • memory/1704-60-0x0000000002750000-0x0000000002807000-memory.dmp

    Filesize

    732KB

  • memory/1704-59-0x0000000002750000-0x0000000002807000-memory.dmp

    Filesize

    732KB

  • memory/1704-58-0x0000000002750000-0x0000000002807000-memory.dmp

    Filesize

    732KB

  • memory/1704-56-0x0000000002750000-0x0000000002807000-memory.dmp

    Filesize

    732KB

  • memory/1704-55-0x0000000002750000-0x0000000002807000-memory.dmp

    Filesize

    732KB

  • memory/1704-54-0x0000000002750000-0x0000000002807000-memory.dmp

    Filesize

    732KB

  • memory/1704-83-0x0000000002750000-0x0000000002807000-memory.dmp

    Filesize

    732KB

  • memory/1704-53-0x0000000002750000-0x0000000002807000-memory.dmp

    Filesize

    732KB

  • memory/1704-52-0x0000000002750000-0x0000000002807000-memory.dmp

    Filesize

    732KB

  • memory/1704-50-0x0000000002750000-0x0000000002807000-memory.dmp

    Filesize

    732KB

  • memory/1704-49-0x0000000002750000-0x0000000002807000-memory.dmp

    Filesize

    732KB

  • memory/1704-48-0x0000000002750000-0x0000000002807000-memory.dmp

    Filesize

    732KB

  • memory/1704-47-0x0000000002750000-0x0000000002807000-memory.dmp

    Filesize

    732KB

  • memory/1704-46-0x0000000002750000-0x0000000002807000-memory.dmp

    Filesize

    732KB

  • memory/2448-20-0x0000000000400000-0x000000000048D000-memory.dmp

    Filesize

    564KB

  • memory/2448-2-0x0000000000400000-0x000000000045F000-memory.dmp

    Filesize

    380KB

  • memory/2448-1-0x00000000002E0000-0x0000000000332000-memory.dmp

    Filesize

    328KB

  • memory/2448-0-0x0000000000400000-0x000000000048D000-memory.dmp

    Filesize

    564KB

  • memory/2448-22-0x0000000000400000-0x000000000045F000-memory.dmp

    Filesize

    380KB

  • memory/2448-21-0x00000000002E0000-0x0000000000332000-memory.dmp

    Filesize

    328KB