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Analysis

  • max time kernel
    120s
  • max time network
    118s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    14/10/2024, 11:16

General

  • Target

    93ce8b491185cbd85eb388680254a6ae4e49d4b6517ab27ed07898a0a3469e0cN.exe

  • Size

    215KB

  • MD5

    4ba94316f4507ed1935fcc8f4cab5470

  • SHA1

    a9c06b3978495b4bdc8f938b4f94bca2e52b8c75

  • SHA256

    93ce8b491185cbd85eb388680254a6ae4e49d4b6517ab27ed07898a0a3469e0c

  • SHA512

    fae9f6e27d2040651bd3d605126ba12f66aaaa818997c35321e4f0c4148dd9af6160df43e1f8d6d0a8b7e297c3f8c04f27a25e2f57345ebfce57ec10ee64a482

  • SSDEEP

    3072:uoAbvJrZ/CEp1Td3INNAILgwKRpP3fJ2pwLAt/iw1JmWTe1eyfLUH+xW6Lyk:u7vJN/CE/TZINiPPBIwcuWTegi9W

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

    Simda is an infostealer written in C++.

  • Executes dropped EXE 1 IoCs
  • Modifies WinLogon 2 TTPs 1 IoCs
  • Drops file in Program Files directory 7 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\93ce8b491185cbd85eb388680254a6ae4e49d4b6517ab27ed07898a0a3469e0cN.exe
    "C:\Users\Admin\AppData\Local\Temp\93ce8b491185cbd85eb388680254a6ae4e49d4b6517ab27ed07898a0a3469e0cN.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:4960
    • 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:2492

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Windows\apppatch\svchost.exe

    Filesize

    215KB

    MD5

    fe35587bf8895f43f6a92ad3542c2186

    SHA1

    ca96b4b87da9ea8034888698d970210b5d45772e

    SHA256

    1b0c1d166bec038659c9d402a067a43cc0aead322e2735c71c114dda43f8287b

    SHA512

    39a9fa8b3d8b93e274dc4f71e09ef7eca384917e084111cd593a918d0e10d27bea0a68a76bb78ad7b8d0ca729f13b4271215e666b4dc2d8d3108276e5247805c

  • memory/2492-53-0x0000000002BD0000-0x0000000002C87000-memory.dmp

    Filesize

    732KB

  • memory/2492-52-0x0000000002BD0000-0x0000000002C87000-memory.dmp

    Filesize

    732KB

  • memory/2492-18-0x0000000000400000-0x000000000045F000-memory.dmp

    Filesize

    380KB

  • memory/2492-19-0x0000000002BD0000-0x0000000002C87000-memory.dmp

    Filesize

    732KB

  • memory/2492-23-0x0000000002BD0000-0x0000000002C87000-memory.dmp

    Filesize

    732KB

  • memory/2492-21-0x0000000002BD0000-0x0000000002C87000-memory.dmp

    Filesize

    732KB

  • memory/2492-24-0x0000000002BD0000-0x0000000002C87000-memory.dmp

    Filesize

    732KB

  • memory/2492-36-0x0000000002BD0000-0x0000000002C87000-memory.dmp

    Filesize

    732KB

  • memory/2492-80-0x0000000002BD0000-0x0000000002C87000-memory.dmp

    Filesize

    732KB

  • memory/2492-79-0x0000000002BD0000-0x0000000002C87000-memory.dmp

    Filesize

    732KB

  • memory/2492-78-0x0000000002BD0000-0x0000000002C87000-memory.dmp

    Filesize

    732KB

  • memory/2492-77-0x0000000002BD0000-0x0000000002C87000-memory.dmp

    Filesize

    732KB

  • memory/2492-75-0x0000000002BD0000-0x0000000002C87000-memory.dmp

    Filesize

    732KB

  • memory/2492-74-0x0000000002BD0000-0x0000000002C87000-memory.dmp

    Filesize

    732KB

  • memory/2492-73-0x0000000002BD0000-0x0000000002C87000-memory.dmp

    Filesize

    732KB

  • memory/2492-72-0x0000000002BD0000-0x0000000002C87000-memory.dmp

    Filesize

    732KB

  • memory/2492-71-0x0000000002BD0000-0x0000000002C87000-memory.dmp

    Filesize

    732KB

  • memory/2492-16-0x0000000000400000-0x000000000045F000-memory.dmp

    Filesize

    380KB

  • memory/2492-69-0x0000000002BD0000-0x0000000002C87000-memory.dmp

    Filesize

    732KB

  • memory/2492-68-0x0000000002BD0000-0x0000000002C87000-memory.dmp

    Filesize

    732KB

  • memory/2492-67-0x0000000002BD0000-0x0000000002C87000-memory.dmp

    Filesize

    732KB

  • memory/2492-66-0x0000000002BD0000-0x0000000002C87000-memory.dmp

    Filesize

    732KB

  • memory/2492-65-0x0000000002BD0000-0x0000000002C87000-memory.dmp

    Filesize

    732KB

  • memory/2492-64-0x0000000002BD0000-0x0000000002C87000-memory.dmp

    Filesize

    732KB

  • memory/2492-63-0x0000000002BD0000-0x0000000002C87000-memory.dmp

    Filesize

    732KB

  • memory/2492-62-0x0000000002BD0000-0x0000000002C87000-memory.dmp

    Filesize

    732KB

  • memory/2492-61-0x0000000002BD0000-0x0000000002C87000-memory.dmp

    Filesize

    732KB

  • memory/2492-60-0x0000000002BD0000-0x0000000002C87000-memory.dmp

    Filesize

    732KB

  • memory/2492-58-0x0000000002BD0000-0x0000000002C87000-memory.dmp

    Filesize

    732KB

  • memory/2492-57-0x0000000002BD0000-0x0000000002C87000-memory.dmp

    Filesize

    732KB

  • memory/2492-56-0x0000000002BD0000-0x0000000002C87000-memory.dmp

    Filesize

    732KB

  • memory/2492-54-0x0000000002BD0000-0x0000000002C87000-memory.dmp

    Filesize

    732KB

  • memory/2492-17-0x0000000002300000-0x00000000023AA000-memory.dmp

    Filesize

    680KB

  • memory/2492-55-0x0000000002BD0000-0x0000000002C87000-memory.dmp

    Filesize

    732KB

  • memory/2492-70-0x0000000002BD0000-0x0000000002C87000-memory.dmp

    Filesize

    732KB

  • memory/2492-51-0x0000000002BD0000-0x0000000002C87000-memory.dmp

    Filesize

    732KB

  • memory/2492-49-0x0000000002BD0000-0x0000000002C87000-memory.dmp

    Filesize

    732KB

  • memory/2492-48-0x0000000002BD0000-0x0000000002C87000-memory.dmp

    Filesize

    732KB

  • memory/2492-47-0x0000000002BD0000-0x0000000002C87000-memory.dmp

    Filesize

    732KB

  • memory/2492-46-0x0000000002BD0000-0x0000000002C87000-memory.dmp

    Filesize

    732KB

  • memory/2492-45-0x0000000002BD0000-0x0000000002C87000-memory.dmp

    Filesize

    732KB

  • memory/2492-44-0x0000000002BD0000-0x0000000002C87000-memory.dmp

    Filesize

    732KB

  • memory/2492-43-0x0000000002BD0000-0x0000000002C87000-memory.dmp

    Filesize

    732KB

  • memory/2492-42-0x0000000002BD0000-0x0000000002C87000-memory.dmp

    Filesize

    732KB

  • memory/2492-41-0x0000000002BD0000-0x0000000002C87000-memory.dmp

    Filesize

    732KB

  • memory/2492-39-0x0000000002BD0000-0x0000000002C87000-memory.dmp

    Filesize

    732KB

  • memory/2492-38-0x0000000002BD0000-0x0000000002C87000-memory.dmp

    Filesize

    732KB

  • memory/2492-35-0x0000000002BD0000-0x0000000002C87000-memory.dmp

    Filesize

    732KB

  • memory/2492-34-0x0000000002BD0000-0x0000000002C87000-memory.dmp

    Filesize

    732KB

  • memory/2492-33-0x0000000002BD0000-0x0000000002C87000-memory.dmp

    Filesize

    732KB

  • memory/2492-32-0x0000000002BD0000-0x0000000002C87000-memory.dmp

    Filesize

    732KB

  • memory/2492-31-0x0000000002BD0000-0x0000000002C87000-memory.dmp

    Filesize

    732KB

  • memory/2492-30-0x0000000002BD0000-0x0000000002C87000-memory.dmp

    Filesize

    732KB

  • memory/2492-29-0x0000000002BD0000-0x0000000002C87000-memory.dmp

    Filesize

    732KB

  • memory/2492-28-0x0000000002BD0000-0x0000000002C87000-memory.dmp

    Filesize

    732KB

  • memory/2492-27-0x0000000002BD0000-0x0000000002C87000-memory.dmp

    Filesize

    732KB

  • memory/2492-26-0x0000000002BD0000-0x0000000002C87000-memory.dmp

    Filesize

    732KB

  • memory/2492-76-0x0000000002BD0000-0x0000000002C87000-memory.dmp

    Filesize

    732KB

  • memory/2492-59-0x0000000002BD0000-0x0000000002C87000-memory.dmp

    Filesize

    732KB

  • memory/2492-50-0x0000000002BD0000-0x0000000002C87000-memory.dmp

    Filesize

    732KB

  • memory/2492-40-0x0000000002BD0000-0x0000000002C87000-memory.dmp

    Filesize

    732KB

  • memory/2492-37-0x0000000002BD0000-0x0000000002C87000-memory.dmp

    Filesize

    732KB

  • memory/2492-25-0x0000000002BD0000-0x0000000002C87000-memory.dmp

    Filesize

    732KB

  • memory/4960-0-0x0000000002200000-0x0000000002203000-memory.dmp

    Filesize

    12KB

  • memory/4960-1-0x0000000000400000-0x000000000045F000-memory.dmp

    Filesize

    380KB

  • memory/4960-15-0x0000000000400000-0x000000000045F000-memory.dmp

    Filesize

    380KB

  • memory/4960-14-0x0000000002200000-0x0000000002203000-memory.dmp

    Filesize

    12KB