Analysis

  • max time kernel
    149s
  • max time network
    151s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    20-11-2024 23:21

General

  • Target

    5a12e622192274e80142c2ac4e98e2fa1eb0abc7a2188994115932cda056c77e.exe

  • Size

    375KB

  • MD5

    7464d9b4c3a01d46a167d6b1f868e2db

  • SHA1

    9d4bbe860c5d145405a22a59d1e2c8cca63b4340

  • SHA256

    5a12e622192274e80142c2ac4e98e2fa1eb0abc7a2188994115932cda056c77e

  • SHA512

    b6bc849b6a6b7efa15b4a4630e7d7634f350210e568461be402f31ff38c7f8c96d21fd07e6e7f576145d6ec4ca092a70ba33500e108d41755ee39e67f73b0dd7

  • SSDEEP

    6144:G3EmWPDNND9yRPzLq+YXFqaZiMLic9kzVd7EAC4TSs9EiU:RmWhND9yJz+b1FcMLmp2ATTSsdU

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\5a12e622192274e80142c2ac4e98e2fa1eb0abc7a2188994115932cda056c77e.exe
    "C:\Users\Admin\AppData\Local\Temp\5a12e622192274e80142c2ac4e98e2fa1eb0abc7a2188994115932cda056c77e.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:2316
    • 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:2824

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Temp\44D2.tmp

    Filesize

    1KB

    MD5

    4e667e7768c3679f9be4267691cc0586

    SHA1

    b656d76be155f6b40455b5bd7a47c96a355a2ca3

    SHA256

    002990b99d6d2856aa0c38666a37dcecad1edcc9e440190b8995604ffad382cb

    SHA512

    0bd69a2a896a25e23e8d8a9ecc8d29f3a8747a2a40267b624f97822ae27e6274590ebb10adcbc2e1463140caf0caf093be06c313f11301833fbb14b27d050de7

  • C:\Users\Admin\AppData\Local\Temp\4CB4.tmp

    Filesize

    593B

    MD5

    926512864979bc27cf187f1de3f57aff

    SHA1

    acdeb9d6187932613c7fa08eaf28f0cd8116f4b5

    SHA256

    b3e893a653ec06c05ee90f2f6e98cc052a92f6616d7cca8c416420e178dcc73f

    SHA512

    f6f9fd3ca9305bec879cfcd38e64111a18e65e30d25c49e9f2cd546cbab9b2dcd03eca81952f6b77c0eaab20192ef7bef0d8d434f6f371811929e75f8620633b

  • \Windows\AppPatch\svchost.exe

    Filesize

    375KB

    MD5

    50d24c57621704586959c640531612de

    SHA1

    c54632331f0e049b83a1bf6119fdb378748856dc

    SHA256

    9abc59ea0dd1d6ae94d97387459fd9c4f8d53950d037659c6b34c9118917c5da

    SHA512

    817cad2e91029c0a35ef546fc10400dfc86dd3db618934fb3c1fb25314fabaeb2c386ad6a17bb8187cc8a443623f66d0254eb1adb511ebdaff801576198d3fd5

  • memory/2316-0-0x0000000000400000-0x0000000000464000-memory.dmp

    Filesize

    400KB

  • memory/2316-9-0x0000000000370000-0x00000000003D4000-memory.dmp

    Filesize

    400KB

  • memory/2316-15-0x0000000000400000-0x0000000000464000-memory.dmp

    Filesize

    400KB

  • memory/2824-51-0x0000000002350000-0x0000000002406000-memory.dmp

    Filesize

    728KB

  • memory/2824-202-0x0000000000400000-0x0000000000464000-memory.dmp

    Filesize

    400KB

  • memory/2824-24-0x0000000000310000-0x00000000003B8000-memory.dmp

    Filesize

    672KB

  • memory/2824-20-0x0000000000310000-0x00000000003B8000-memory.dmp

    Filesize

    672KB

  • memory/2824-18-0x0000000000310000-0x00000000003B8000-memory.dmp

    Filesize

    672KB

  • memory/2824-31-0x0000000002350000-0x0000000002406000-memory.dmp

    Filesize

    728KB

  • memory/2824-32-0x0000000002350000-0x0000000002406000-memory.dmp

    Filesize

    728KB

  • memory/2824-34-0x0000000002350000-0x0000000002406000-memory.dmp

    Filesize

    728KB

  • memory/2824-41-0x0000000002350000-0x0000000002406000-memory.dmp

    Filesize

    728KB

  • memory/2824-48-0x0000000002350000-0x0000000002406000-memory.dmp

    Filesize

    728KB

  • memory/2824-60-0x0000000002350000-0x0000000002406000-memory.dmp

    Filesize

    728KB

  • memory/2824-61-0x0000000002350000-0x0000000002406000-memory.dmp

    Filesize

    728KB

  • memory/2824-62-0x0000000002350000-0x0000000002406000-memory.dmp

    Filesize

    728KB

  • memory/2824-59-0x0000000002350000-0x0000000002406000-memory.dmp

    Filesize

    728KB

  • memory/2824-58-0x0000000002350000-0x0000000002406000-memory.dmp

    Filesize

    728KB

  • memory/2824-57-0x0000000002350000-0x0000000002406000-memory.dmp

    Filesize

    728KB

  • memory/2824-56-0x0000000002350000-0x0000000002406000-memory.dmp

    Filesize

    728KB

  • memory/2824-55-0x0000000002350000-0x0000000002406000-memory.dmp

    Filesize

    728KB

  • memory/2824-54-0x0000000002350000-0x0000000002406000-memory.dmp

    Filesize

    728KB

  • memory/2824-53-0x0000000002350000-0x0000000002406000-memory.dmp

    Filesize

    728KB

  • memory/2824-52-0x0000000002350000-0x0000000002406000-memory.dmp

    Filesize

    728KB

  • memory/2824-28-0x0000000000310000-0x00000000003B8000-memory.dmp

    Filesize

    672KB

  • memory/2824-50-0x0000000002350000-0x0000000002406000-memory.dmp

    Filesize

    728KB

  • memory/2824-22-0x0000000000310000-0x00000000003B8000-memory.dmp

    Filesize

    672KB

  • memory/2824-46-0x0000000002350000-0x0000000002406000-memory.dmp

    Filesize

    728KB

  • memory/2824-47-0x0000000002350000-0x0000000002406000-memory.dmp

    Filesize

    728KB

  • memory/2824-49-0x0000000002350000-0x0000000002406000-memory.dmp

    Filesize

    728KB

  • memory/2824-26-0x0000000000310000-0x00000000003B8000-memory.dmp

    Filesize

    672KB

  • memory/2824-84-0x0000000002350000-0x0000000002406000-memory.dmp

    Filesize

    728KB

  • memory/2824-44-0x0000000002350000-0x0000000002406000-memory.dmp

    Filesize

    728KB

  • memory/2824-43-0x0000000002350000-0x0000000002406000-memory.dmp

    Filesize

    728KB

  • memory/2824-42-0x0000000002350000-0x0000000002406000-memory.dmp

    Filesize

    728KB

  • memory/2824-40-0x0000000002350000-0x0000000002406000-memory.dmp

    Filesize

    728KB

  • memory/2824-80-0x0000000002350000-0x0000000002406000-memory.dmp

    Filesize

    728KB

  • memory/2824-81-0x0000000002350000-0x0000000002406000-memory.dmp

    Filesize

    728KB

  • memory/2824-39-0x0000000002350000-0x0000000002406000-memory.dmp

    Filesize

    728KB

  • memory/2824-38-0x0000000002350000-0x0000000002406000-memory.dmp

    Filesize

    728KB

  • memory/2824-37-0x0000000002350000-0x0000000002406000-memory.dmp

    Filesize

    728KB

  • memory/2824-82-0x0000000002350000-0x0000000002406000-memory.dmp

    Filesize

    728KB

  • memory/2824-93-0x0000000002350000-0x0000000002406000-memory.dmp

    Filesize

    728KB

  • memory/2824-92-0x0000000002350000-0x0000000002406000-memory.dmp

    Filesize

    728KB

  • memory/2824-91-0x0000000002350000-0x0000000002406000-memory.dmp

    Filesize

    728KB

  • memory/2824-90-0x0000000002350000-0x0000000002406000-memory.dmp

    Filesize

    728KB

  • memory/2824-89-0x0000000002350000-0x0000000002406000-memory.dmp

    Filesize

    728KB

  • memory/2824-88-0x0000000002350000-0x0000000002406000-memory.dmp

    Filesize

    728KB

  • memory/2824-87-0x0000000002350000-0x0000000002406000-memory.dmp

    Filesize

    728KB

  • memory/2824-85-0x0000000002350000-0x0000000002406000-memory.dmp

    Filesize

    728KB

  • memory/2824-45-0x0000000002350000-0x0000000002406000-memory.dmp

    Filesize

    728KB

  • memory/2824-83-0x0000000002350000-0x0000000002406000-memory.dmp

    Filesize

    728KB

  • memory/2824-86-0x0000000002350000-0x0000000002406000-memory.dmp

    Filesize

    728KB

  • memory/2824-36-0x0000000002350000-0x0000000002406000-memory.dmp

    Filesize

    728KB

  • memory/2824-203-0x0000000002350000-0x0000000002406000-memory.dmp

    Filesize

    728KB

  • memory/2824-17-0x0000000000400000-0x0000000000464000-memory.dmp

    Filesize

    400KB