Analysis

  • max time kernel
    120s
  • max time network
    119s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    31/12/2024, 17:24

General

  • Target

    4e4fd475fb3745332eec28ef818797001cc1bdd6c3f35420d5d41f4b719f264b.exe

  • Size

    208KB

  • MD5

    dd0b1380eeb4d08b0a16b01fb2382b24

  • SHA1

    598e15c6acf3db04d5075948ec7ec8a241317bfb

  • SHA256

    4e4fd475fb3745332eec28ef818797001cc1bdd6c3f35420d5d41f4b719f264b

  • SHA512

    fefa1bccdd17a1c4b72c903d45aa3aa3e8d16e0e66f9da232f9e3cc4a9b034a54ef6dd021a437762c46c4105c395bbba6920b82440307f6c03ea601ea9809608

  • SSDEEP

    6144:iZWia9ubuBsyGvMwlvaB8Mi5vz9IGePA+hq56:gquCuygMQjd5vJIBP1p

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
  • Modifies WinLogon 2 TTPs 1 IoCs
  • Drops file in Program Files directory 9 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 64 IoCs
  • Suspicious behavior: RenamesItself 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 4 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\4e4fd475fb3745332eec28ef818797001cc1bdd6c3f35420d5d41f4b719f264b.exe
    "C:\Users\Admin\AppData\Local\Temp\4e4fd475fb3745332eec28ef818797001cc1bdd6c3f35420d5d41f4b719f264b.exe"
    1⤵
    • 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:2816
    • 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:1336

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\Low\IE\4KEUDLKJ\login[1].htm

    Filesize

    162B

    MD5

    4f8e702cc244ec5d4de32740c0ecbd97

    SHA1

    3adb1f02d5b6054de0046e367c1d687b6cdf7aff

    SHA256

    9e17cb15dd75bbbd5dbb984eda674863c3b10ab72613cf8a39a00c3e11a8492a

    SHA512

    21047fea5269fee75a2a187aa09316519e35068cb2f2f76cfaf371e5224445e9d5c98497bd76fb9608d2b73e9dac1a3f5bfadfdc4623c479d53ecf93d81d3c9f

  • C:\Windows\apppatch\svchost.exe

    Filesize

    208KB

    MD5

    34ac3d0b10c252a512d092b45953f9f0

    SHA1

    fec3dd1431a428a8e2d070de08589bba1817c276

    SHA256

    004c325b898547700fecbdd893d32135df26f201e67ab7a1964711bb177a1fd8

    SHA512

    6b3cd73332d07c44d92d59cc8e520a24794d79ac848bd9c4437e3b95a5b615ee622d82d4f1bfe824c02c6d4f609ad0aaf1c71b12ccd1972bc15a2aeb1f5084b9

  • memory/1336-58-0x0000000002C40000-0x0000000002CF7000-memory.dmp

    Filesize

    732KB

  • memory/1336-55-0x0000000002C40000-0x0000000002CF7000-memory.dmp

    Filesize

    732KB

  • memory/1336-20-0x0000000002470000-0x000000000251A000-memory.dmp

    Filesize

    680KB

  • memory/1336-14-0x0000000000400000-0x000000000048D000-memory.dmp

    Filesize

    564KB

  • memory/1336-27-0x0000000002C40000-0x0000000002CF7000-memory.dmp

    Filesize

    732KB

  • memory/1336-32-0x0000000002C40000-0x0000000002CF7000-memory.dmp

    Filesize

    732KB

  • memory/1336-46-0x0000000002C40000-0x0000000002CF7000-memory.dmp

    Filesize

    732KB

  • memory/1336-21-0x0000000000400000-0x000000000048D000-memory.dmp

    Filesize

    564KB

  • memory/1336-22-0x0000000002C40000-0x0000000002CF7000-memory.dmp

    Filesize

    732KB

  • memory/1336-26-0x0000000002C40000-0x0000000002CF7000-memory.dmp

    Filesize

    732KB

  • memory/1336-24-0x0000000002C40000-0x0000000002CF7000-memory.dmp

    Filesize

    732KB

  • memory/1336-69-0x0000000002C40000-0x0000000002CF7000-memory.dmp

    Filesize

    732KB

  • memory/1336-81-0x0000000002C40000-0x0000000002CF7000-memory.dmp

    Filesize

    732KB

  • memory/1336-80-0x0000000002C40000-0x0000000002CF7000-memory.dmp

    Filesize

    732KB

  • memory/1336-79-0x0000000002C40000-0x0000000002CF7000-memory.dmp

    Filesize

    732KB

  • memory/1336-78-0x0000000002C40000-0x0000000002CF7000-memory.dmp

    Filesize

    732KB

  • memory/1336-77-0x0000000002C40000-0x0000000002CF7000-memory.dmp

    Filesize

    732KB

  • memory/1336-76-0x0000000002C40000-0x0000000002CF7000-memory.dmp

    Filesize

    732KB

  • memory/1336-75-0x0000000002C40000-0x0000000002CF7000-memory.dmp

    Filesize

    732KB

  • memory/1336-74-0x0000000002C40000-0x0000000002CF7000-memory.dmp

    Filesize

    732KB

  • memory/1336-73-0x0000000002C40000-0x0000000002CF7000-memory.dmp

    Filesize

    732KB

  • memory/1336-72-0x0000000002C40000-0x0000000002CF7000-memory.dmp

    Filesize

    732KB

  • memory/1336-71-0x0000000002C40000-0x0000000002CF7000-memory.dmp

    Filesize

    732KB

  • memory/1336-70-0x0000000002C40000-0x0000000002CF7000-memory.dmp

    Filesize

    732KB

  • memory/1336-68-0x0000000002C40000-0x0000000002CF7000-memory.dmp

    Filesize

    732KB

  • memory/1336-65-0x0000000002C40000-0x0000000002CF7000-memory.dmp

    Filesize

    732KB

  • memory/1336-64-0x0000000002C40000-0x0000000002CF7000-memory.dmp

    Filesize

    732KB

  • memory/1336-63-0x0000000002C40000-0x0000000002CF7000-memory.dmp

    Filesize

    732KB

  • memory/1336-62-0x0000000002C40000-0x0000000002CF7000-memory.dmp

    Filesize

    732KB

  • memory/1336-61-0x0000000002C40000-0x0000000002CF7000-memory.dmp

    Filesize

    732KB

  • memory/1336-60-0x0000000002C40000-0x0000000002CF7000-memory.dmp

    Filesize

    732KB

  • memory/1336-59-0x0000000002C40000-0x0000000002CF7000-memory.dmp

    Filesize

    732KB

  • memory/1336-15-0x0000000000400000-0x000000000048D000-memory.dmp

    Filesize

    564KB

  • memory/1336-54-0x0000000002C40000-0x0000000002CF7000-memory.dmp

    Filesize

    732KB

  • memory/1336-19-0x0000000000400000-0x000000000048D000-memory.dmp

    Filesize

    564KB

  • memory/1336-56-0x0000000002C40000-0x0000000002CF7000-memory.dmp

    Filesize

    732KB

  • memory/1336-57-0x0000000002C40000-0x0000000002CF7000-memory.dmp

    Filesize

    732KB

  • memory/1336-53-0x0000000002C40000-0x0000000002CF7000-memory.dmp

    Filesize

    732KB

  • memory/1336-52-0x0000000002C40000-0x0000000002CF7000-memory.dmp

    Filesize

    732KB

  • memory/1336-50-0x0000000002C40000-0x0000000002CF7000-memory.dmp

    Filesize

    732KB

  • memory/1336-49-0x0000000002C40000-0x0000000002CF7000-memory.dmp

    Filesize

    732KB

  • memory/1336-48-0x0000000002C40000-0x0000000002CF7000-memory.dmp

    Filesize

    732KB

  • memory/1336-47-0x0000000002C40000-0x0000000002CF7000-memory.dmp

    Filesize

    732KB

  • memory/1336-45-0x0000000002C40000-0x0000000002CF7000-memory.dmp

    Filesize

    732KB

  • memory/1336-44-0x0000000002C40000-0x0000000002CF7000-memory.dmp

    Filesize

    732KB

  • memory/1336-43-0x0000000002C40000-0x0000000002CF7000-memory.dmp

    Filesize

    732KB

  • memory/1336-42-0x0000000002C40000-0x0000000002CF7000-memory.dmp

    Filesize

    732KB

  • memory/1336-41-0x0000000002C40000-0x0000000002CF7000-memory.dmp

    Filesize

    732KB

  • memory/1336-40-0x0000000002C40000-0x0000000002CF7000-memory.dmp

    Filesize

    732KB

  • memory/1336-39-0x0000000002C40000-0x0000000002CF7000-memory.dmp

    Filesize

    732KB

  • memory/1336-38-0x0000000002C40000-0x0000000002CF7000-memory.dmp

    Filesize

    732KB

  • memory/1336-37-0x0000000002C40000-0x0000000002CF7000-memory.dmp

    Filesize

    732KB

  • memory/1336-36-0x0000000002C40000-0x0000000002CF7000-memory.dmp

    Filesize

    732KB

  • memory/1336-35-0x0000000002C40000-0x0000000002CF7000-memory.dmp

    Filesize

    732KB

  • memory/1336-34-0x0000000002C40000-0x0000000002CF7000-memory.dmp

    Filesize

    732KB

  • memory/1336-33-0x0000000002C40000-0x0000000002CF7000-memory.dmp

    Filesize

    732KB

  • memory/1336-31-0x0000000002C40000-0x0000000002CF7000-memory.dmp

    Filesize

    732KB

  • memory/1336-30-0x0000000002C40000-0x0000000002CF7000-memory.dmp

    Filesize

    732KB

  • memory/1336-29-0x0000000002C40000-0x0000000002CF7000-memory.dmp

    Filesize

    732KB

  • memory/1336-28-0x0000000002C40000-0x0000000002CF7000-memory.dmp

    Filesize

    732KB

  • memory/1336-67-0x0000000002C40000-0x0000000002CF7000-memory.dmp

    Filesize

    732KB

  • memory/1336-66-0x0000000002C40000-0x0000000002CF7000-memory.dmp

    Filesize

    732KB

  • memory/1336-51-0x0000000002C40000-0x0000000002CF7000-memory.dmp

    Filesize

    732KB

  • memory/2816-16-0x0000000000400000-0x000000000048D000-memory.dmp

    Filesize

    564KB

  • memory/2816-2-0x0000000000400000-0x000000000045F000-memory.dmp

    Filesize

    380KB

  • memory/2816-1-0x0000000000630000-0x0000000000682000-memory.dmp

    Filesize

    328KB

  • memory/2816-0-0x0000000000400000-0x000000000048D000-memory.dmp

    Filesize

    564KB

  • memory/2816-18-0x0000000000400000-0x000000000045F000-memory.dmp

    Filesize

    380KB

  • memory/2816-17-0x0000000000630000-0x0000000000682000-memory.dmp

    Filesize

    328KB