Analysis

  • max time kernel
    150s
  • max time network
    152s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    22-11-2024 06:40

General

  • Target

    fd19c2eb7e57fe61570c6e7c91e23368ce4c217f7d70051c406e9b4b16bd52e4.exe

  • Size

    217KB

  • MD5

    362f0cdc43235a519f6d1a8493de4e8d

  • SHA1

    7cb6a5703823996b32e5573bdf754928144bd7b4

  • SHA256

    fd19c2eb7e57fe61570c6e7c91e23368ce4c217f7d70051c406e9b4b16bd52e4

  • SHA512

    d2802f141c4db30026f287e13170161231d544f93521341dd17f7e263ac95c2422d17c81f60275390c38b9daa353b5d959007e5a7900f2cc042f1178eea8c4e2

  • SSDEEP

    6144:unyiqVQBf0EaIp8fkTJJsK1eEzEB1XjrkXbx:HEdp8csKpE7XXo

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 20 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\fd19c2eb7e57fe61570c6e7c91e23368ce4c217f7d70051c406e9b4b16bd52e4.exe
    "C:\Users\Admin\AppData\Local\Temp\fd19c2eb7e57fe61570c6e7c91e23368ce4c217f7d70051c406e9b4b16bd52e4.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:556
    • 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:2652

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\Low\IE\GJWWTWTA\login[2].htm

    Filesize

    162B

    MD5

    4f8e702cc244ec5d4de32740c0ecbd97

    SHA1

    3adb1f02d5b6054de0046e367c1d687b6cdf7aff

    SHA256

    9e17cb15dd75bbbd5dbb984eda674863c3b10ab72613cf8a39a00c3e11a8492a

    SHA512

    21047fea5269fee75a2a187aa09316519e35068cb2f2f76cfaf371e5224445e9d5c98497bd76fb9608d2b73e9dac1a3f5bfadfdc4623c479d53ecf93d81d3c9f

  • C:\Windows\apppatch\svchost.exe

    Filesize

    217KB

    MD5

    fca5daf17555e36e2862fd79d1f5d524

    SHA1

    3dba8b5995812010bf5154be0521df7cfc5297c0

    SHA256

    f8442f48202b922fd4a295aa9c4c605e837a26f7dbbaa66cc56cf31661111ecc

    SHA512

    966f78350d30a06c2688da250a4c80e214fd073ca158ab6c01b70551642849461e1213db83cfbfd69225d2c1fca802b0bed77f34bd695ad6c6c7195646568ba3

  • memory/556-0-0x00000000028F0000-0x00000000028F3000-memory.dmp

    Filesize

    12KB

  • memory/556-1-0x0000000000400000-0x000000000045F000-memory.dmp

    Filesize

    380KB

  • memory/556-13-0x00000000028F0000-0x00000000028F3000-memory.dmp

    Filesize

    12KB

  • memory/556-14-0x0000000000400000-0x000000000045F000-memory.dmp

    Filesize

    380KB

  • memory/556-12-0x0000000000400000-0x0000000000469000-memory.dmp

    Filesize

    420KB

  • memory/2652-16-0x0000000000400000-0x0000000000469000-memory.dmp

    Filesize

    420KB

  • memory/2652-17-0x0000000000400000-0x0000000000469000-memory.dmp

    Filesize

    420KB

  • memory/2652-18-0x0000000002B30000-0x0000000002BDA000-memory.dmp

    Filesize

    680KB

  • memory/2652-19-0x0000000000400000-0x0000000000469000-memory.dmp

    Filesize

    420KB

  • memory/2652-20-0x0000000002F40000-0x0000000002FF7000-memory.dmp

    Filesize

    732KB

  • memory/2652-24-0x0000000002F40000-0x0000000002FF7000-memory.dmp

    Filesize

    732KB

  • memory/2652-23-0x0000000002F40000-0x0000000002FF7000-memory.dmp

    Filesize

    732KB

  • memory/2652-35-0x0000000002F40000-0x0000000002FF7000-memory.dmp

    Filesize

    732KB

  • memory/2652-38-0x0000000002F40000-0x0000000002FF7000-memory.dmp

    Filesize

    732KB

  • memory/2652-81-0x0000000002F40000-0x0000000002FF7000-memory.dmp

    Filesize

    732KB

  • memory/2652-79-0x0000000002F40000-0x0000000002FF7000-memory.dmp

    Filesize

    732KB

  • memory/2652-78-0x0000000002F40000-0x0000000002FF7000-memory.dmp

    Filesize

    732KB

  • memory/2652-76-0x0000000002F40000-0x0000000002FF7000-memory.dmp

    Filesize

    732KB

  • memory/2652-74-0x0000000002F40000-0x0000000002FF7000-memory.dmp

    Filesize

    732KB

  • memory/2652-72-0x0000000002F40000-0x0000000002FF7000-memory.dmp

    Filesize

    732KB

  • memory/2652-70-0x0000000002F40000-0x0000000002FF7000-memory.dmp

    Filesize

    732KB

  • memory/2652-69-0x0000000002F40000-0x0000000002FF7000-memory.dmp

    Filesize

    732KB

  • memory/2652-68-0x0000000002F40000-0x0000000002FF7000-memory.dmp

    Filesize

    732KB

  • memory/2652-67-0x0000000002F40000-0x0000000002FF7000-memory.dmp

    Filesize

    732KB

  • memory/2652-66-0x0000000002F40000-0x0000000002FF7000-memory.dmp

    Filesize

    732KB

  • memory/2652-65-0x0000000002F40000-0x0000000002FF7000-memory.dmp

    Filesize

    732KB

  • memory/2652-64-0x0000000002F40000-0x0000000002FF7000-memory.dmp

    Filesize

    732KB

  • memory/2652-62-0x0000000002F40000-0x0000000002FF7000-memory.dmp

    Filesize

    732KB

  • memory/2652-61-0x0000000002F40000-0x0000000002FF7000-memory.dmp

    Filesize

    732KB

  • memory/2652-60-0x0000000002F40000-0x0000000002FF7000-memory.dmp

    Filesize

    732KB

  • memory/2652-59-0x0000000002F40000-0x0000000002FF7000-memory.dmp

    Filesize

    732KB

  • memory/2652-58-0x0000000002F40000-0x0000000002FF7000-memory.dmp

    Filesize

    732KB

  • memory/2652-57-0x0000000002F40000-0x0000000002FF7000-memory.dmp

    Filesize

    732KB

  • memory/2652-56-0x0000000002F40000-0x0000000002FF7000-memory.dmp

    Filesize

    732KB

  • memory/2652-55-0x0000000002F40000-0x0000000002FF7000-memory.dmp

    Filesize

    732KB

  • memory/2652-54-0x0000000002F40000-0x0000000002FF7000-memory.dmp

    Filesize

    732KB

  • memory/2652-53-0x0000000002F40000-0x0000000002FF7000-memory.dmp

    Filesize

    732KB

  • memory/2652-50-0x0000000002F40000-0x0000000002FF7000-memory.dmp

    Filesize

    732KB

  • memory/2652-51-0x0000000002F40000-0x0000000002FF7000-memory.dmp

    Filesize

    732KB

  • memory/2652-49-0x0000000002F40000-0x0000000002FF7000-memory.dmp

    Filesize

    732KB

  • memory/2652-47-0x0000000002F40000-0x0000000002FF7000-memory.dmp

    Filesize

    732KB

  • memory/2652-48-0x0000000002F40000-0x0000000002FF7000-memory.dmp

    Filesize

    732KB

  • memory/2652-46-0x0000000002F40000-0x0000000002FF7000-memory.dmp

    Filesize

    732KB

  • memory/2652-45-0x0000000002F40000-0x0000000002FF7000-memory.dmp

    Filesize

    732KB

  • memory/2652-44-0x0000000002F40000-0x0000000002FF7000-memory.dmp

    Filesize

    732KB

  • memory/2652-43-0x0000000002F40000-0x0000000002FF7000-memory.dmp

    Filesize

    732KB

  • memory/2652-42-0x0000000002F40000-0x0000000002FF7000-memory.dmp

    Filesize

    732KB

  • memory/2652-41-0x0000000002F40000-0x0000000002FF7000-memory.dmp

    Filesize

    732KB

  • memory/2652-40-0x0000000002F40000-0x0000000002FF7000-memory.dmp

    Filesize

    732KB

  • memory/2652-39-0x0000000002F40000-0x0000000002FF7000-memory.dmp

    Filesize

    732KB

  • memory/2652-37-0x0000000002F40000-0x0000000002FF7000-memory.dmp

    Filesize

    732KB

  • memory/2652-36-0x0000000002F40000-0x0000000002FF7000-memory.dmp

    Filesize

    732KB

  • memory/2652-34-0x0000000002F40000-0x0000000002FF7000-memory.dmp

    Filesize

    732KB

  • memory/2652-33-0x0000000002F40000-0x0000000002FF7000-memory.dmp

    Filesize

    732KB

  • memory/2652-32-0x0000000002F40000-0x0000000002FF7000-memory.dmp

    Filesize

    732KB

  • memory/2652-31-0x0000000002F40000-0x0000000002FF7000-memory.dmp

    Filesize

    732KB

  • memory/2652-29-0x0000000002F40000-0x0000000002FF7000-memory.dmp

    Filesize

    732KB

  • memory/2652-28-0x0000000002F40000-0x0000000002FF7000-memory.dmp

    Filesize

    732KB

  • memory/2652-27-0x0000000002F40000-0x0000000002FF7000-memory.dmp

    Filesize

    732KB

  • memory/2652-26-0x0000000002F40000-0x0000000002FF7000-memory.dmp

    Filesize

    732KB

  • memory/2652-80-0x0000000002F40000-0x0000000002FF7000-memory.dmp

    Filesize

    732KB

  • memory/2652-77-0x0000000002F40000-0x0000000002FF7000-memory.dmp

    Filesize

    732KB

  • memory/2652-75-0x0000000002F40000-0x0000000002FF7000-memory.dmp

    Filesize

    732KB

  • memory/2652-73-0x0000000002F40000-0x0000000002FF7000-memory.dmp

    Filesize

    732KB

  • memory/2652-71-0x0000000002F40000-0x0000000002FF7000-memory.dmp

    Filesize

    732KB

  • memory/2652-63-0x0000000002F40000-0x0000000002FF7000-memory.dmp

    Filesize

    732KB

  • memory/2652-52-0x0000000002F40000-0x0000000002FF7000-memory.dmp

    Filesize

    732KB

  • memory/2652-30-0x0000000002F40000-0x0000000002FF7000-memory.dmp

    Filesize

    732KB

  • memory/2652-25-0x0000000002F40000-0x0000000002FF7000-memory.dmp

    Filesize

    732KB