Analysis

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

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    20-01-2025 03:32

General

  • Target

    4145660599187d6596c95cc38473244203b6c1180c83297c4f47631f6bcdde61N.exe

  • Size

    217KB

  • MD5

    e90fafb9e81b2734769e4b96f8b24e90

  • SHA1

    f6f734feed08bf4835109b12b4033e6ffe019c6a

  • SHA256

    4145660599187d6596c95cc38473244203b6c1180c83297c4f47631f6bcdde61

  • SHA512

    44c77092b52b54e5bfd25bc6689f8d9764dbf8eebab36a9e9c543836d073023d3495d1d623b846c71622b97ffd1c20ca084918907cbe1b6e15a7b8efdd9f01bc

  • SSDEEP

    6144:1nyiqVQBf0EaIp8fkTJJsK1eEzEB1XjrkXb5:WEdp8csKpE7XXo

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 16 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\4145660599187d6596c95cc38473244203b6c1180c83297c4f47631f6bcdde61N.exe
    "C:\Users\Admin\AppData\Local\Temp\4145660599187d6596c95cc38473244203b6c1180c83297c4f47631f6bcdde61N.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:3196
    • 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:3104

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\Low\IE\5ON5MPZV\login[2].htm

    Filesize

    162B

    MD5

    4f8e702cc244ec5d4de32740c0ecbd97

    SHA1

    3adb1f02d5b6054de0046e367c1d687b6cdf7aff

    SHA256

    9e17cb15dd75bbbd5dbb984eda674863c3b10ab72613cf8a39a00c3e11a8492a

    SHA512

    21047fea5269fee75a2a187aa09316519e35068cb2f2f76cfaf371e5224445e9d5c98497bd76fb9608d2b73e9dac1a3f5bfadfdc4623c479d53ecf93d81d3c9f

  • C:\Windows\apppatch\svchost.exe

    Filesize

    217KB

    MD5

    9d86b1a894dfd75d186c0ee3c7ac61bd

    SHA1

    db1ebc982ba15366062cd7c8a926ba2527c86494

    SHA256

    75b4e5d0249305d2304832f0856a72f20ab5b8da4b2e7225921ea081c2fd5238

    SHA512

    ee360b1c57cd942501590d2192d3f00246c3d599332ddbea53474f0b5973b92e83c8e1cccf99bcf7acc74b4dc64c72a6c9608593529d01df4080f380d4112d41

  • memory/3104-57-0x0000000002D20000-0x0000000002DD7000-memory.dmp

    Filesize

    732KB

  • memory/3104-81-0x0000000002D20000-0x0000000002DD7000-memory.dmp

    Filesize

    732KB

  • memory/3104-19-0x0000000000400000-0x0000000000469000-memory.dmp

    Filesize

    420KB

  • memory/3104-55-0x0000000002D20000-0x0000000002DD7000-memory.dmp

    Filesize

    732KB

  • memory/3104-20-0x0000000002D20000-0x0000000002DD7000-memory.dmp

    Filesize

    732KB

  • memory/3104-54-0x0000000002D20000-0x0000000002DD7000-memory.dmp

    Filesize

    732KB

  • memory/3104-22-0x0000000002D20000-0x0000000002DD7000-memory.dmp

    Filesize

    732KB

  • memory/3104-28-0x0000000002D20000-0x0000000002DD7000-memory.dmp

    Filesize

    732KB

  • memory/3104-33-0x0000000002D20000-0x0000000002DD7000-memory.dmp

    Filesize

    732KB

  • memory/3104-53-0x0000000002D20000-0x0000000002DD7000-memory.dmp

    Filesize

    732KB

  • memory/3104-80-0x0000000002D20000-0x0000000002DD7000-memory.dmp

    Filesize

    732KB

  • memory/3104-79-0x0000000002D20000-0x0000000002DD7000-memory.dmp

    Filesize

    732KB

  • memory/3104-78-0x0000000002D20000-0x0000000002DD7000-memory.dmp

    Filesize

    732KB

  • memory/3104-77-0x0000000002D20000-0x0000000002DD7000-memory.dmp

    Filesize

    732KB

  • memory/3104-76-0x0000000002D20000-0x0000000002DD7000-memory.dmp

    Filesize

    732KB

  • memory/3104-75-0x0000000002D20000-0x0000000002DD7000-memory.dmp

    Filesize

    732KB

  • memory/3104-74-0x0000000002D20000-0x0000000002DD7000-memory.dmp

    Filesize

    732KB

  • memory/3104-73-0x0000000002D20000-0x0000000002DD7000-memory.dmp

    Filesize

    732KB

  • memory/3104-72-0x0000000002D20000-0x0000000002DD7000-memory.dmp

    Filesize

    732KB

  • memory/3104-71-0x0000000002D20000-0x0000000002DD7000-memory.dmp

    Filesize

    732KB

  • memory/3104-69-0x0000000002D20000-0x0000000002DD7000-memory.dmp

    Filesize

    732KB

  • memory/3104-68-0x0000000002D20000-0x0000000002DD7000-memory.dmp

    Filesize

    732KB

  • memory/3104-67-0x0000000002D20000-0x0000000002DD7000-memory.dmp

    Filesize

    732KB

  • memory/3104-66-0x0000000002D20000-0x0000000002DD7000-memory.dmp

    Filesize

    732KB

  • memory/3104-65-0x0000000002D20000-0x0000000002DD7000-memory.dmp

    Filesize

    732KB

  • memory/3104-64-0x0000000002D20000-0x0000000002DD7000-memory.dmp

    Filesize

    732KB

  • memory/3104-63-0x0000000002D20000-0x0000000002DD7000-memory.dmp

    Filesize

    732KB

  • memory/3104-62-0x0000000002D20000-0x0000000002DD7000-memory.dmp

    Filesize

    732KB

  • memory/3104-61-0x0000000002D20000-0x0000000002DD7000-memory.dmp

    Filesize

    732KB

  • memory/3104-60-0x0000000002D20000-0x0000000002DD7000-memory.dmp

    Filesize

    732KB

  • memory/3104-59-0x0000000002D20000-0x0000000002DD7000-memory.dmp

    Filesize

    732KB

  • memory/3104-58-0x0000000002D20000-0x0000000002DD7000-memory.dmp

    Filesize

    732KB

  • memory/3104-17-0x0000000000400000-0x0000000000469000-memory.dmp

    Filesize

    420KB

  • memory/3104-56-0x0000000002D20000-0x0000000002DD7000-memory.dmp

    Filesize

    732KB

  • memory/3104-16-0x0000000000400000-0x0000000000469000-memory.dmp

    Filesize

    420KB

  • memory/3104-24-0x0000000002D20000-0x0000000002DD7000-memory.dmp

    Filesize

    732KB

  • memory/3104-18-0x0000000002800000-0x00000000028AA000-memory.dmp

    Filesize

    680KB

  • memory/3104-51-0x0000000002D20000-0x0000000002DD7000-memory.dmp

    Filesize

    732KB

  • memory/3104-50-0x0000000002D20000-0x0000000002DD7000-memory.dmp

    Filesize

    732KB

  • memory/3104-48-0x0000000002D20000-0x0000000002DD7000-memory.dmp

    Filesize

    732KB

  • memory/3104-47-0x0000000002D20000-0x0000000002DD7000-memory.dmp

    Filesize

    732KB

  • memory/3104-44-0x0000000002D20000-0x0000000002DD7000-memory.dmp

    Filesize

    732KB

  • memory/3104-45-0x0000000002D20000-0x0000000002DD7000-memory.dmp

    Filesize

    732KB

  • memory/3104-43-0x0000000002D20000-0x0000000002DD7000-memory.dmp

    Filesize

    732KB

  • memory/3104-42-0x0000000002D20000-0x0000000002DD7000-memory.dmp

    Filesize

    732KB

  • memory/3104-41-0x0000000002D20000-0x0000000002DD7000-memory.dmp

    Filesize

    732KB

  • memory/3104-39-0x0000000002D20000-0x0000000002DD7000-memory.dmp

    Filesize

    732KB

  • memory/3104-38-0x0000000002D20000-0x0000000002DD7000-memory.dmp

    Filesize

    732KB

  • memory/3104-37-0x0000000002D20000-0x0000000002DD7000-memory.dmp

    Filesize

    732KB

  • memory/3104-36-0x0000000002D20000-0x0000000002DD7000-memory.dmp

    Filesize

    732KB

  • memory/3104-34-0x0000000002D20000-0x0000000002DD7000-memory.dmp

    Filesize

    732KB

  • memory/3104-32-0x0000000002D20000-0x0000000002DD7000-memory.dmp

    Filesize

    732KB

  • memory/3104-31-0x0000000002D20000-0x0000000002DD7000-memory.dmp

    Filesize

    732KB

  • memory/3104-30-0x0000000002D20000-0x0000000002DD7000-memory.dmp

    Filesize

    732KB

  • memory/3104-29-0x0000000002D20000-0x0000000002DD7000-memory.dmp

    Filesize

    732KB

  • memory/3104-70-0x0000000002D20000-0x0000000002DD7000-memory.dmp

    Filesize

    732KB

  • memory/3104-27-0x0000000002D20000-0x0000000002DD7000-memory.dmp

    Filesize

    732KB

  • memory/3104-26-0x0000000002D20000-0x0000000002DD7000-memory.dmp

    Filesize

    732KB

  • memory/3104-52-0x0000000002D20000-0x0000000002DD7000-memory.dmp

    Filesize

    732KB

  • memory/3104-49-0x0000000002D20000-0x0000000002DD7000-memory.dmp

    Filesize

    732KB

  • memory/3104-46-0x0000000002D20000-0x0000000002DD7000-memory.dmp

    Filesize

    732KB

  • memory/3104-40-0x0000000002D20000-0x0000000002DD7000-memory.dmp

    Filesize

    732KB

  • memory/3104-35-0x0000000002D20000-0x0000000002DD7000-memory.dmp

    Filesize

    732KB

  • memory/3104-25-0x0000000002D20000-0x0000000002DD7000-memory.dmp

    Filesize

    732KB

  • memory/3196-1-0x0000000000400000-0x000000000045F000-memory.dmp

    Filesize

    380KB

  • memory/3196-0-0x0000000002210000-0x0000000002213000-memory.dmp

    Filesize

    12KB

  • memory/3196-15-0x0000000000400000-0x000000000045F000-memory.dmp

    Filesize

    380KB

  • memory/3196-14-0x0000000002210000-0x0000000002213000-memory.dmp

    Filesize

    12KB

  • memory/3196-13-0x0000000000400000-0x0000000000469000-memory.dmp

    Filesize

    420KB