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Analysis

  • max time kernel
    117s
  • max time network
    118s
  • platform
    windows7_x64
  • resource
    win7-20241023-en
  • resource tags

    arch:x64arch:x86image:win7-20241023-enlocale:en-usos:windows7-x64system
  • submitted
    01/01/2025, 19:47

General

  • Target

    76347603becb96ed56c8516381562074180e76c806b9c794c267b59f60e3f969.exe

  • Size

    218KB

  • MD5

    5ec045751694383deef7f029aa890288

  • SHA1

    bccbd356286bb46e6bc28ac0b3bd0e4c582533c0

  • SHA256

    76347603becb96ed56c8516381562074180e76c806b9c794c267b59f60e3f969

  • SHA512

    b586547d773f817f0b439360f2db0d6b2f01ed27e5e39f641cea3ad81845f9901bc4a7eb143ddea83e1316ba1a20c9ff0198a745db945584611be8fd88e6bc97

  • SSDEEP

    3072:uvm4SZsQrNzPrl6rjGMjp39d4u8iqddCxMIJOb2o5DsBPjim6hwM2HK:w1SyAJp6rjn1gOObn4b6h9Z

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 61 IoCs
  • Suspicious behavior: RenamesItself 1 IoCs
  • Suspicious use of WriteProcessMemory 4 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\76347603becb96ed56c8516381562074180e76c806b9c794c267b59f60e3f969.exe
    "C:\Users\Admin\AppData\Local\Temp\76347603becb96ed56c8516381562074180e76c806b9c794c267b59f60e3f969.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:2312
    • 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:2360

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • \Windows\AppPatch\svchost.exe

    Filesize

    218KB

    MD5

    a59fbcfc08cf7d742a11fbadd57e1035

    SHA1

    a8ad6acea3df0bbba43f3a75a5d7ddeb785716ca

    SHA256

    d4fed18e1d3f959683dc27405b59227090c3dd65601caa87d2d3aafe7bae41d3

    SHA512

    13c5b7aa5b0aa6049cbf6cc389a51be42b92c1eb0f517e4ba057b08858856c9dfd1b0e0c4ff42ea087c90f3394c00cc9396d349174cad3f3c09699ac3a2e03fb

  • memory/2312-0-0x0000000000340000-0x0000000000391000-memory.dmp

    Filesize

    324KB

  • memory/2312-1-0x0000000000400000-0x000000000045F000-memory.dmp

    Filesize

    380KB

  • memory/2312-15-0x0000000000400000-0x00000000005AE000-memory.dmp

    Filesize

    1.7MB

  • memory/2312-17-0x0000000000400000-0x000000000045F000-memory.dmp

    Filesize

    380KB

  • memory/2312-16-0x0000000000340000-0x0000000000391000-memory.dmp

    Filesize

    324KB

  • memory/2360-18-0x0000000000400000-0x00000000005AE000-memory.dmp

    Filesize

    1.7MB

  • memory/2360-19-0x0000000000400000-0x00000000005AE000-memory.dmp

    Filesize

    1.7MB

  • memory/2360-20-0x00000000005B0000-0x0000000000658000-memory.dmp

    Filesize

    672KB

  • memory/2360-30-0x00000000005B0000-0x0000000000658000-memory.dmp

    Filesize

    672KB

  • memory/2360-28-0x00000000005B0000-0x0000000000658000-memory.dmp

    Filesize

    672KB

  • memory/2360-31-0x0000000000400000-0x00000000005AE000-memory.dmp

    Filesize

    1.7MB

  • memory/2360-26-0x00000000005B0000-0x0000000000658000-memory.dmp

    Filesize

    672KB

  • memory/2360-24-0x00000000005B0000-0x0000000000658000-memory.dmp

    Filesize

    672KB

  • memory/2360-22-0x00000000005B0000-0x0000000000658000-memory.dmp

    Filesize

    672KB

  • memory/2360-32-0x0000000000660000-0x0000000000716000-memory.dmp

    Filesize

    728KB

  • memory/2360-36-0x0000000000660000-0x0000000000716000-memory.dmp

    Filesize

    728KB

  • memory/2360-34-0x0000000000660000-0x0000000000716000-memory.dmp

    Filesize

    728KB

  • memory/2360-46-0x0000000000660000-0x0000000000716000-memory.dmp

    Filesize

    728KB

  • memory/2360-49-0x0000000000660000-0x0000000000716000-memory.dmp

    Filesize

    728KB

  • memory/2360-84-0x0000000000660000-0x0000000000716000-memory.dmp

    Filesize

    728KB

  • memory/2360-83-0x0000000000660000-0x0000000000716000-memory.dmp

    Filesize

    728KB

  • memory/2360-82-0x0000000000660000-0x0000000000716000-memory.dmp

    Filesize

    728KB

  • memory/2360-81-0x0000000000660000-0x0000000000716000-memory.dmp

    Filesize

    728KB

  • memory/2360-80-0x0000000000660000-0x0000000000716000-memory.dmp

    Filesize

    728KB

  • memory/2360-79-0x0000000000660000-0x0000000000716000-memory.dmp

    Filesize

    728KB

  • memory/2360-78-0x0000000000660000-0x0000000000716000-memory.dmp

    Filesize

    728KB

  • memory/2360-77-0x0000000000660000-0x0000000000716000-memory.dmp

    Filesize

    728KB

  • memory/2360-76-0x0000000000660000-0x0000000000716000-memory.dmp

    Filesize

    728KB

  • memory/2360-75-0x0000000000660000-0x0000000000716000-memory.dmp

    Filesize

    728KB

  • memory/2360-74-0x0000000000660000-0x0000000000716000-memory.dmp

    Filesize

    728KB

  • memory/2360-73-0x0000000000660000-0x0000000000716000-memory.dmp

    Filesize

    728KB

  • memory/2360-72-0x0000000000660000-0x0000000000716000-memory.dmp

    Filesize

    728KB

  • memory/2360-71-0x0000000000660000-0x0000000000716000-memory.dmp

    Filesize

    728KB

  • memory/2360-70-0x0000000000660000-0x0000000000716000-memory.dmp

    Filesize

    728KB

  • memory/2360-69-0x0000000000660000-0x0000000000716000-memory.dmp

    Filesize

    728KB

  • memory/2360-68-0x0000000000660000-0x0000000000716000-memory.dmp

    Filesize

    728KB

  • memory/2360-67-0x0000000000660000-0x0000000000716000-memory.dmp

    Filesize

    728KB

  • memory/2360-65-0x0000000000660000-0x0000000000716000-memory.dmp

    Filesize

    728KB

  • memory/2360-64-0x0000000000660000-0x0000000000716000-memory.dmp

    Filesize

    728KB

  • memory/2360-63-0x0000000000660000-0x0000000000716000-memory.dmp

    Filesize

    728KB

  • memory/2360-62-0x0000000000660000-0x0000000000716000-memory.dmp

    Filesize

    728KB

  • memory/2360-61-0x0000000000660000-0x0000000000716000-memory.dmp

    Filesize

    728KB

  • memory/2360-60-0x0000000000660000-0x0000000000716000-memory.dmp

    Filesize

    728KB

  • memory/2360-59-0x0000000000660000-0x0000000000716000-memory.dmp

    Filesize

    728KB

  • memory/2360-58-0x0000000000660000-0x0000000000716000-memory.dmp

    Filesize

    728KB

  • memory/2360-57-0x0000000000660000-0x0000000000716000-memory.dmp

    Filesize

    728KB

  • memory/2360-56-0x0000000000660000-0x0000000000716000-memory.dmp

    Filesize

    728KB

  • memory/2360-55-0x0000000000660000-0x0000000000716000-memory.dmp

    Filesize

    728KB

  • memory/2360-54-0x0000000000660000-0x0000000000716000-memory.dmp

    Filesize

    728KB

  • memory/2360-53-0x0000000000660000-0x0000000000716000-memory.dmp

    Filesize

    728KB

  • memory/2360-52-0x0000000000660000-0x0000000000716000-memory.dmp

    Filesize

    728KB

  • memory/2360-51-0x0000000000660000-0x0000000000716000-memory.dmp

    Filesize

    728KB

  • memory/2360-50-0x0000000000660000-0x0000000000716000-memory.dmp

    Filesize

    728KB

  • memory/2360-48-0x0000000000660000-0x0000000000716000-memory.dmp

    Filesize

    728KB

  • memory/2360-47-0x0000000000660000-0x0000000000716000-memory.dmp

    Filesize

    728KB

  • memory/2360-45-0x0000000000660000-0x0000000000716000-memory.dmp

    Filesize

    728KB

  • memory/2360-44-0x0000000000660000-0x0000000000716000-memory.dmp

    Filesize

    728KB

  • memory/2360-43-0x0000000000660000-0x0000000000716000-memory.dmp

    Filesize

    728KB

  • memory/2360-42-0x0000000000660000-0x0000000000716000-memory.dmp

    Filesize

    728KB

  • memory/2360-41-0x0000000000660000-0x0000000000716000-memory.dmp

    Filesize

    728KB

  • memory/2360-66-0x0000000000660000-0x0000000000716000-memory.dmp

    Filesize

    728KB

  • memory/2360-40-0x0000000000660000-0x0000000000716000-memory.dmp

    Filesize

    728KB

  • memory/2360-39-0x0000000000660000-0x0000000000716000-memory.dmp

    Filesize

    728KB

  • memory/2360-38-0x0000000000660000-0x0000000000716000-memory.dmp

    Filesize

    728KB