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Analysis

  • max time kernel
    144s
  • max time network
    148s
  • platform
    windows7_x64
  • resource
    win7-20240708-en
  • resource tags

    arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system
  • submitted
    17/10/2024, 22:02

General

  • Target

    574f7767c5659182739b138068fa1d92477715e7816ee39632d8d9c49b37bfa7.exe

  • Size

    711KB

  • MD5

    75ddf9498d4d8338d1c53dee5a86f250

  • SHA1

    69857cd9c14834e1c892999f825c70303448ec4e

  • SHA256

    574f7767c5659182739b138068fa1d92477715e7816ee39632d8d9c49b37bfa7

  • SHA512

    37a52b529aafb007b28bc447b22114f440df9e0a19c66990d7ebcae6fa72c0d5b2b19c3a134024ea7d5af6560f212ddb68e532401afcbbd8dbf092d740282aed

  • SSDEEP

    12288:EmWhND9yJz+b1FcMLmp2ATTSsdsmWhND9yJz+b1FcMLmp2ATTSsdS:EmUNJyJqb1FcMap2ATT5imUNJyJqb1FB

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

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

Processes

  • C:\Users\Admin\AppData\Local\Temp\574f7767c5659182739b138068fa1d92477715e7816ee39632d8d9c49b37bfa7.exe
    "C:\Users\Admin\AppData\Local\Temp\574f7767c5659182739b138068fa1d92477715e7816ee39632d8d9c49b37bfa7.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:1292
    • 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:1328

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • \Windows\AppPatch\svchost.exe

    Filesize

    711KB

    MD5

    d10646363c011378a2812d7959c8d3f2

    SHA1

    b9c8c23e2331682ec373545ad4d0eb15b8de1f9a

    SHA256

    0ddd1d684eaec05019fb804fab220fa76eb5e49bc92f2fdbb001e5ca77137c44

    SHA512

    0eebf6a023f57d43e829ccfae97865bb62f6bb2e09e74922dfffd6e80f3b7891927e3c6e6aa558c6eea07c857fc42f6bc54774a3a75165bc59c747269a14eda5

  • memory/1292-13-0x0000000000400000-0x000000000045F000-memory.dmp

    Filesize

    380KB

  • memory/1328-14-0x0000000000310000-0x00000000003B8000-memory.dmp

    Filesize

    672KB

  • memory/1328-16-0x0000000000310000-0x00000000003B8000-memory.dmp

    Filesize

    672KB

  • memory/1328-24-0x0000000000310000-0x00000000003B8000-memory.dmp

    Filesize

    672KB

  • memory/1328-22-0x0000000000310000-0x00000000003B8000-memory.dmp

    Filesize

    672KB

  • memory/1328-20-0x0000000000310000-0x00000000003B8000-memory.dmp

    Filesize

    672KB

  • memory/1328-18-0x0000000000310000-0x00000000003B8000-memory.dmp

    Filesize

    672KB

  • memory/1328-27-0x0000000000460000-0x0000000000516000-memory.dmp

    Filesize

    728KB

  • memory/1328-30-0x0000000000460000-0x0000000000516000-memory.dmp

    Filesize

    728KB

  • memory/1328-28-0x0000000000460000-0x0000000000516000-memory.dmp

    Filesize

    728KB

  • memory/1328-40-0x0000000000460000-0x0000000000516000-memory.dmp

    Filesize

    728KB

  • memory/1328-78-0x0000000000460000-0x0000000000516000-memory.dmp

    Filesize

    728KB

  • memory/1328-77-0x0000000000460000-0x0000000000516000-memory.dmp

    Filesize

    728KB

  • memory/1328-76-0x0000000000460000-0x0000000000516000-memory.dmp

    Filesize

    728KB

  • memory/1328-75-0x0000000000460000-0x0000000000516000-memory.dmp

    Filesize

    728KB

  • memory/1328-74-0x0000000000460000-0x0000000000516000-memory.dmp

    Filesize

    728KB

  • memory/1328-73-0x0000000000460000-0x0000000000516000-memory.dmp

    Filesize

    728KB

  • memory/1328-71-0x0000000000460000-0x0000000000516000-memory.dmp

    Filesize

    728KB

  • memory/1328-70-0x0000000000460000-0x0000000000516000-memory.dmp

    Filesize

    728KB

  • memory/1328-69-0x0000000000460000-0x0000000000516000-memory.dmp

    Filesize

    728KB

  • memory/1328-68-0x0000000000460000-0x0000000000516000-memory.dmp

    Filesize

    728KB

  • memory/1328-67-0x0000000000460000-0x0000000000516000-memory.dmp

    Filesize

    728KB

  • memory/1328-66-0x0000000000460000-0x0000000000516000-memory.dmp

    Filesize

    728KB

  • memory/1328-65-0x0000000000460000-0x0000000000516000-memory.dmp

    Filesize

    728KB

  • memory/1328-64-0x0000000000460000-0x0000000000516000-memory.dmp

    Filesize

    728KB

  • memory/1328-63-0x0000000000460000-0x0000000000516000-memory.dmp

    Filesize

    728KB

  • memory/1328-62-0x0000000000460000-0x0000000000516000-memory.dmp

    Filesize

    728KB

  • memory/1328-61-0x0000000000460000-0x0000000000516000-memory.dmp

    Filesize

    728KB

  • memory/1328-60-0x0000000000460000-0x0000000000516000-memory.dmp

    Filesize

    728KB

  • memory/1328-59-0x0000000000460000-0x0000000000516000-memory.dmp

    Filesize

    728KB

  • memory/1328-58-0x0000000000460000-0x0000000000516000-memory.dmp

    Filesize

    728KB

  • memory/1328-57-0x0000000000460000-0x0000000000516000-memory.dmp

    Filesize

    728KB

  • memory/1328-56-0x0000000000460000-0x0000000000516000-memory.dmp

    Filesize

    728KB

  • memory/1328-55-0x0000000000460000-0x0000000000516000-memory.dmp

    Filesize

    728KB

  • memory/1328-54-0x0000000000460000-0x0000000000516000-memory.dmp

    Filesize

    728KB

  • memory/1328-52-0x0000000000460000-0x0000000000516000-memory.dmp

    Filesize

    728KB

  • memory/1328-51-0x0000000000460000-0x0000000000516000-memory.dmp

    Filesize

    728KB

  • memory/1328-50-0x0000000000460000-0x0000000000516000-memory.dmp

    Filesize

    728KB

  • memory/1328-49-0x0000000000460000-0x0000000000516000-memory.dmp

    Filesize

    728KB

  • memory/1328-48-0x0000000000460000-0x0000000000516000-memory.dmp

    Filesize

    728KB

  • memory/1328-47-0x0000000000460000-0x0000000000516000-memory.dmp

    Filesize

    728KB

  • memory/1328-46-0x0000000000460000-0x0000000000516000-memory.dmp

    Filesize

    728KB

  • memory/1328-45-0x0000000000460000-0x0000000000516000-memory.dmp

    Filesize

    728KB

  • memory/1328-44-0x0000000000460000-0x0000000000516000-memory.dmp

    Filesize

    728KB

  • memory/1328-43-0x0000000000460000-0x0000000000516000-memory.dmp

    Filesize

    728KB

  • memory/1328-41-0x0000000000460000-0x0000000000516000-memory.dmp

    Filesize

    728KB

  • memory/1328-39-0x0000000000460000-0x0000000000516000-memory.dmp

    Filesize

    728KB

  • memory/1328-72-0x0000000000460000-0x0000000000516000-memory.dmp

    Filesize

    728KB

  • memory/1328-38-0x0000000000460000-0x0000000000516000-memory.dmp

    Filesize

    728KB

  • memory/1328-37-0x0000000000460000-0x0000000000516000-memory.dmp

    Filesize

    728KB

  • memory/1328-36-0x0000000000460000-0x0000000000516000-memory.dmp

    Filesize

    728KB

  • memory/1328-35-0x0000000000460000-0x0000000000516000-memory.dmp

    Filesize

    728KB

  • memory/1328-53-0x0000000000460000-0x0000000000516000-memory.dmp

    Filesize

    728KB

  • memory/1328-34-0x0000000000460000-0x0000000000516000-memory.dmp

    Filesize

    728KB

  • memory/1328-33-0x0000000000460000-0x0000000000516000-memory.dmp

    Filesize

    728KB

  • memory/1328-42-0x0000000000460000-0x0000000000516000-memory.dmp

    Filesize

    728KB

  • memory/1328-32-0x0000000000460000-0x0000000000516000-memory.dmp

    Filesize

    728KB

  • memory/1328-190-0x0000000000460000-0x0000000000516000-memory.dmp

    Filesize

    728KB