Analysis

  • max time kernel
    120s
  • max time network
    120s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    11/01/2025, 06:54

General

  • Target

    822d04154a933219b6549466f6ae26fa4a0617bce76fe46a56adae1b5029586eN.exe

  • Size

    217KB

  • MD5

    21cd9cc15169c41218d09793e0871020

  • SHA1

    6458756d6262b049fa038ebec619a024f5eec7b3

  • SHA256

    822d04154a933219b6549466f6ae26fa4a0617bce76fe46a56adae1b5029586e

  • SHA512

    4d32f426bdfd6c02382277322be992dbac7ee10636f539a729f2dfdfe18d756bd3953e6c722e56ebf222411b97fec1ffcef777ae5d0cd97f3ba4dc4da62c90f8

  • SSDEEP

    6144:IrRaTyDOnlo7eM+mlkWgRXOqobzWjozm2ulYM6Y:asTbzu1glovW4EH6Y

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
  • Loads dropped DLL 2 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 4 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\822d04154a933219b6549466f6ae26fa4a0617bce76fe46a56adae1b5029586eN.exe
    "C:\Users\Admin\AppData\Local\Temp\822d04154a933219b6549466f6ae26fa4a0617bce76fe46a56adae1b5029586eN.exe"
    1⤵
    • Loads dropped DLL
    • Modifies WinLogon
    • Drops file in Windows directory
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious behavior: RenamesItself
    • Suspicious use of WriteProcessMemory
    PID:2260
    • 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:2816

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Temp\22C.tmp

    Filesize

    42KB

    MD5

    37481e93949405d0bbc3981a38518a33

    SHA1

    a3037ac568ef0dacccdce39e354b432e9993c207

    SHA256

    83f5a5e6cf95669eec663c11cb2ea952779c955b9152884a310e84c8b68994a1

    SHA512

    ebe139554ea9d841ee3e8521593b6fbe14f6ecd8d49b6f0c7051e52dc4b0794b4ef992d04b98f12d4fb7ca8aa4c6350e2b8928be80b409baeba6fc968289b4ab

  • C:\Windows\AppPatch\svchost.exe

    Filesize

    217KB

    MD5

    daa7f95fdd819616ef98620f76d4038c

    SHA1

    c41a08a232959ab4a332c79f338c21b2a8c9ac59

    SHA256

    5168bdbafcb1c1321082ce445980e39eb0ac7864b77b414a8e78f22799bb88c4

    SHA512

    ae48e1173edf520a7a0cc8ffb2a7c8585066e0beb0c1f89c523aee5d784329a37fcb3b8147be6f004edbf1e39cecfd62aa11a260021988378ef1db9a5aa48780

  • memory/2260-0-0x0000000000400000-0x0000000000589000-memory.dmp

    Filesize

    1.5MB

  • memory/2260-1-0x0000000000220000-0x0000000000271000-memory.dmp

    Filesize

    324KB

  • memory/2260-2-0x0000000000400000-0x000000000045F000-memory.dmp

    Filesize

    380KB

  • memory/2260-17-0x0000000000400000-0x000000000045F000-memory.dmp

    Filesize

    380KB

  • memory/2260-16-0x0000000000220000-0x0000000000271000-memory.dmp

    Filesize

    324KB

  • memory/2260-15-0x0000000000400000-0x0000000000589000-memory.dmp

    Filesize

    1.5MB

  • memory/2816-19-0x0000000000400000-0x0000000000589000-memory.dmp

    Filesize

    1.5MB

  • memory/2816-20-0x0000000000400000-0x0000000000589000-memory.dmp

    Filesize

    1.5MB

  • memory/2816-21-0x0000000000400000-0x0000000000589000-memory.dmp

    Filesize

    1.5MB

  • memory/2816-22-0x0000000000590000-0x0000000000638000-memory.dmp

    Filesize

    672KB

  • memory/2816-26-0x0000000000590000-0x0000000000638000-memory.dmp

    Filesize

    672KB

  • memory/2816-32-0x0000000000590000-0x0000000000638000-memory.dmp

    Filesize

    672KB

  • memory/2816-30-0x0000000000590000-0x0000000000638000-memory.dmp

    Filesize

    672KB

  • memory/2816-28-0x0000000000590000-0x0000000000638000-memory.dmp

    Filesize

    672KB

  • memory/2816-24-0x0000000000590000-0x0000000000638000-memory.dmp

    Filesize

    672KB

  • memory/2816-33-0x0000000000400000-0x0000000000589000-memory.dmp

    Filesize

    1.5MB

  • memory/2816-34-0x0000000002600000-0x00000000026B6000-memory.dmp

    Filesize

    728KB

  • memory/2816-38-0x0000000002600000-0x00000000026B6000-memory.dmp

    Filesize

    728KB

  • memory/2816-36-0x0000000002600000-0x00000000026B6000-memory.dmp

    Filesize

    728KB

  • memory/2816-40-0x0000000002600000-0x00000000026B6000-memory.dmp

    Filesize

    728KB

  • memory/2816-44-0x0000000002600000-0x00000000026B6000-memory.dmp

    Filesize

    728KB

  • memory/2816-58-0x0000000002600000-0x00000000026B6000-memory.dmp

    Filesize

    728KB

  • memory/2816-84-0x0000000002600000-0x00000000026B6000-memory.dmp

    Filesize

    728KB

  • memory/2816-83-0x0000000002600000-0x00000000026B6000-memory.dmp

    Filesize

    728KB

  • memory/2816-82-0x0000000002600000-0x00000000026B6000-memory.dmp

    Filesize

    728KB

  • memory/2816-81-0x0000000002600000-0x00000000026B6000-memory.dmp

    Filesize

    728KB

  • memory/2816-80-0x0000000002600000-0x00000000026B6000-memory.dmp

    Filesize

    728KB

  • memory/2816-79-0x0000000002600000-0x00000000026B6000-memory.dmp

    Filesize

    728KB

  • memory/2816-78-0x0000000002600000-0x00000000026B6000-memory.dmp

    Filesize

    728KB

  • memory/2816-77-0x0000000002600000-0x00000000026B6000-memory.dmp

    Filesize

    728KB

  • memory/2816-75-0x0000000002600000-0x00000000026B6000-memory.dmp

    Filesize

    728KB

  • memory/2816-74-0x0000000002600000-0x00000000026B6000-memory.dmp

    Filesize

    728KB

  • memory/2816-73-0x0000000002600000-0x00000000026B6000-memory.dmp

    Filesize

    728KB

  • memory/2816-72-0x0000000002600000-0x00000000026B6000-memory.dmp

    Filesize

    728KB

  • memory/2816-71-0x0000000002600000-0x00000000026B6000-memory.dmp

    Filesize

    728KB

  • memory/2816-70-0x0000000002600000-0x00000000026B6000-memory.dmp

    Filesize

    728KB

  • memory/2816-69-0x0000000002600000-0x00000000026B6000-memory.dmp

    Filesize

    728KB

  • memory/2816-68-0x0000000002600000-0x00000000026B6000-memory.dmp

    Filesize

    728KB

  • memory/2816-67-0x0000000002600000-0x00000000026B6000-memory.dmp

    Filesize

    728KB

  • memory/2816-66-0x0000000002600000-0x00000000026B6000-memory.dmp

    Filesize

    728KB

  • memory/2816-65-0x0000000002600000-0x00000000026B6000-memory.dmp

    Filesize

    728KB

  • memory/2816-64-0x0000000002600000-0x00000000026B6000-memory.dmp

    Filesize

    728KB

  • memory/2816-63-0x0000000002600000-0x00000000026B6000-memory.dmp

    Filesize

    728KB

  • memory/2816-62-0x0000000002600000-0x00000000026B6000-memory.dmp

    Filesize

    728KB

  • memory/2816-60-0x0000000002600000-0x00000000026B6000-memory.dmp

    Filesize

    728KB

  • memory/2816-59-0x0000000002600000-0x00000000026B6000-memory.dmp

    Filesize

    728KB

  • memory/2816-57-0x0000000002600000-0x00000000026B6000-memory.dmp

    Filesize

    728KB

  • memory/2816-56-0x0000000002600000-0x00000000026B6000-memory.dmp

    Filesize

    728KB

  • memory/2816-55-0x0000000002600000-0x00000000026B6000-memory.dmp

    Filesize

    728KB

  • memory/2816-54-0x0000000002600000-0x00000000026B6000-memory.dmp

    Filesize

    728KB

  • memory/2816-53-0x0000000002600000-0x00000000026B6000-memory.dmp

    Filesize

    728KB

  • memory/2816-52-0x0000000002600000-0x00000000026B6000-memory.dmp

    Filesize

    728KB

  • memory/2816-51-0x0000000002600000-0x00000000026B6000-memory.dmp

    Filesize

    728KB

  • memory/2816-50-0x0000000002600000-0x00000000026B6000-memory.dmp

    Filesize

    728KB

  • memory/2816-49-0x0000000002600000-0x00000000026B6000-memory.dmp

    Filesize

    728KB

  • memory/2816-48-0x0000000002600000-0x00000000026B6000-memory.dmp

    Filesize

    728KB

  • memory/2816-46-0x0000000002600000-0x00000000026B6000-memory.dmp

    Filesize

    728KB

  • memory/2816-76-0x0000000002600000-0x00000000026B6000-memory.dmp

    Filesize

    728KB

  • memory/2816-61-0x0000000002600000-0x00000000026B6000-memory.dmp

    Filesize

    728KB

  • memory/2816-45-0x0000000002600000-0x00000000026B6000-memory.dmp

    Filesize

    728KB

  • memory/2816-43-0x0000000002600000-0x00000000026B6000-memory.dmp

    Filesize

    728KB

  • memory/2816-42-0x0000000002600000-0x00000000026B6000-memory.dmp

    Filesize

    728KB

  • memory/2816-47-0x0000000002600000-0x00000000026B6000-memory.dmp

    Filesize

    728KB

  • memory/2816-41-0x0000000002600000-0x00000000026B6000-memory.dmp

    Filesize

    728KB