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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
    25/12/2024, 17:52

General

  • Target

    8163790da9d88d1ed171c2329f1d708f510943e56e7772b7571db7242e72d486N.exe

  • Size

    206KB

  • MD5

    6bd1ad2ff10fea4b9393f42f8b9632e0

  • SHA1

    4962eac58fac1b51d28973bf57c8cce4ff49c765

  • SHA256

    8163790da9d88d1ed171c2329f1d708f510943e56e7772b7571db7242e72d486

  • SHA512

    bca3b834cfbf5f0901fa6a25781b5dd7a5c17505162d647ccd43fa853dadf048254ddc89629f126243bd87d82c03e6a4acf23aa1fb9f9efe0ed06abc05c5c009

  • SSDEEP

    6144:k+EqFQ9A9ty5bhJcrs0MurPw/c4hd/B/coyXT3nOGX6T+:k+U9qyFhJy56d/eoyXjn9W+

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 10 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\8163790da9d88d1ed171c2329f1d708f510943e56e7772b7571db7242e72d486N.exe
    "C:\Users\Admin\AppData\Local\Temp\8163790da9d88d1ed171c2329f1d708f510943e56e7772b7571db7242e72d486N.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:4128
    • 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:4956

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Windows\apppatch\svchost.exe

    Filesize

    206KB

    MD5

    f3cb1816f1e3d3b487c9589133d31a5d

    SHA1

    63ec5301e00a760169ed0cf927ed308e38562c94

    SHA256

    bcb1b16c203b9726ff5fc1360cbd6dbd690f2f0cc521d70dbdac22e9abe00892

    SHA512

    899034d607726a86964ca866ef8e6407e30f20dba7e7d415e717f28825390b7786da8e4a24e1967c716fffb1aefe8a127100ee6a8745cb34c29c3fc7a2484674

  • memory/4128-0-0x0000000000400000-0x0000000000495000-memory.dmp

    Filesize

    596KB

  • memory/4128-1-0x00000000007C0000-0x0000000000812000-memory.dmp

    Filesize

    328KB

  • memory/4128-2-0x0000000000400000-0x000000000045F000-memory.dmp

    Filesize

    380KB

  • memory/4128-17-0x0000000000400000-0x000000000045F000-memory.dmp

    Filesize

    380KB

  • memory/4128-16-0x00000000007C0000-0x0000000000812000-memory.dmp

    Filesize

    328KB

  • memory/4128-15-0x0000000000400000-0x0000000000495000-memory.dmp

    Filesize

    596KB

  • memory/4956-14-0x0000000000400000-0x0000000000495000-memory.dmp

    Filesize

    596KB

  • memory/4956-18-0x0000000000400000-0x0000000000495000-memory.dmp

    Filesize

    596KB

  • memory/4956-19-0x0000000000400000-0x0000000000495000-memory.dmp

    Filesize

    596KB

  • memory/4956-20-0x0000000002450000-0x00000000024FA000-memory.dmp

    Filesize

    680KB

  • memory/4956-21-0x0000000000400000-0x0000000000495000-memory.dmp

    Filesize

    596KB

  • memory/4956-22-0x0000000002640000-0x00000000026F7000-memory.dmp

    Filesize

    732KB

  • memory/4956-26-0x0000000002640000-0x00000000026F7000-memory.dmp

    Filesize

    732KB

  • memory/4956-25-0x0000000002640000-0x00000000026F7000-memory.dmp

    Filesize

    732KB

  • memory/4956-81-0x0000000002640000-0x00000000026F7000-memory.dmp

    Filesize

    732KB

  • memory/4956-80-0x0000000002640000-0x00000000026F7000-memory.dmp

    Filesize

    732KB

  • memory/4956-79-0x0000000002640000-0x00000000026F7000-memory.dmp

    Filesize

    732KB

  • memory/4956-77-0x0000000002640000-0x00000000026F7000-memory.dmp

    Filesize

    732KB

  • memory/4956-75-0x0000000002640000-0x00000000026F7000-memory.dmp

    Filesize

    732KB

  • memory/4956-74-0x0000000002640000-0x00000000026F7000-memory.dmp

    Filesize

    732KB

  • memory/4956-72-0x0000000002640000-0x00000000026F7000-memory.dmp

    Filesize

    732KB

  • memory/4956-71-0x0000000002640000-0x00000000026F7000-memory.dmp

    Filesize

    732KB

  • memory/4956-69-0x0000000002640000-0x00000000026F7000-memory.dmp

    Filesize

    732KB

  • memory/4956-67-0x0000000002640000-0x00000000026F7000-memory.dmp

    Filesize

    732KB

  • memory/4956-66-0x0000000002640000-0x00000000026F7000-memory.dmp

    Filesize

    732KB

  • memory/4956-64-0x0000000002640000-0x00000000026F7000-memory.dmp

    Filesize

    732KB

  • memory/4956-63-0x0000000002640000-0x00000000026F7000-memory.dmp

    Filesize

    732KB

  • memory/4956-62-0x0000000002640000-0x00000000026F7000-memory.dmp

    Filesize

    732KB

  • memory/4956-61-0x0000000002640000-0x00000000026F7000-memory.dmp

    Filesize

    732KB

  • memory/4956-60-0x0000000002640000-0x00000000026F7000-memory.dmp

    Filesize

    732KB

  • memory/4956-59-0x0000000002640000-0x00000000026F7000-memory.dmp

    Filesize

    732KB

  • memory/4956-58-0x0000000002640000-0x00000000026F7000-memory.dmp

    Filesize

    732KB

  • memory/4956-57-0x0000000002640000-0x00000000026F7000-memory.dmp

    Filesize

    732KB

  • memory/4956-55-0x0000000002640000-0x00000000026F7000-memory.dmp

    Filesize

    732KB

  • memory/4956-54-0x0000000002640000-0x00000000026F7000-memory.dmp

    Filesize

    732KB

  • memory/4956-53-0x0000000002640000-0x00000000026F7000-memory.dmp

    Filesize

    732KB

  • memory/4956-52-0x0000000002640000-0x00000000026F7000-memory.dmp

    Filesize

    732KB

  • memory/4956-51-0x0000000002640000-0x00000000026F7000-memory.dmp

    Filesize

    732KB

  • memory/4956-50-0x0000000002640000-0x00000000026F7000-memory.dmp

    Filesize

    732KB

  • memory/4956-49-0x0000000002640000-0x00000000026F7000-memory.dmp

    Filesize

    732KB

  • memory/4956-48-0x0000000002640000-0x00000000026F7000-memory.dmp

    Filesize

    732KB

  • memory/4956-47-0x0000000002640000-0x00000000026F7000-memory.dmp

    Filesize

    732KB

  • memory/4956-45-0x0000000002640000-0x00000000026F7000-memory.dmp

    Filesize

    732KB

  • memory/4956-43-0x0000000002640000-0x00000000026F7000-memory.dmp

    Filesize

    732KB

  • memory/4956-44-0x0000000002640000-0x00000000026F7000-memory.dmp

    Filesize

    732KB

  • memory/4956-42-0x0000000002640000-0x00000000026F7000-memory.dmp

    Filesize

    732KB

  • memory/4956-40-0x0000000002640000-0x00000000026F7000-memory.dmp

    Filesize

    732KB

  • memory/4956-41-0x0000000002640000-0x00000000026F7000-memory.dmp

    Filesize

    732KB

  • memory/4956-39-0x0000000002640000-0x00000000026F7000-memory.dmp

    Filesize

    732KB

  • memory/4956-37-0x0000000002640000-0x00000000026F7000-memory.dmp

    Filesize

    732KB

  • memory/4956-35-0x0000000002640000-0x00000000026F7000-memory.dmp

    Filesize

    732KB

  • memory/4956-34-0x0000000002640000-0x00000000026F7000-memory.dmp

    Filesize

    732KB

  • memory/4956-33-0x0000000002640000-0x00000000026F7000-memory.dmp

    Filesize

    732KB

  • memory/4956-31-0x0000000002640000-0x00000000026F7000-memory.dmp

    Filesize

    732KB

  • memory/4956-30-0x0000000002640000-0x00000000026F7000-memory.dmp

    Filesize

    732KB

  • memory/4956-29-0x0000000002640000-0x00000000026F7000-memory.dmp

    Filesize

    732KB

  • memory/4956-28-0x0000000002640000-0x00000000026F7000-memory.dmp

    Filesize

    732KB

  • memory/4956-78-0x0000000002640000-0x00000000026F7000-memory.dmp

    Filesize

    732KB

  • memory/4956-76-0x0000000002640000-0x00000000026F7000-memory.dmp

    Filesize

    732KB

  • memory/4956-73-0x0000000002640000-0x00000000026F7000-memory.dmp

    Filesize

    732KB

  • memory/4956-70-0x0000000002640000-0x00000000026F7000-memory.dmp

    Filesize

    732KB

  • memory/4956-68-0x0000000002640000-0x00000000026F7000-memory.dmp

    Filesize

    732KB

  • memory/4956-65-0x0000000002640000-0x00000000026F7000-memory.dmp

    Filesize

    732KB

  • memory/4956-56-0x0000000002640000-0x00000000026F7000-memory.dmp

    Filesize

    732KB

  • memory/4956-46-0x0000000002640000-0x00000000026F7000-memory.dmp

    Filesize

    732KB

  • memory/4956-38-0x0000000002640000-0x00000000026F7000-memory.dmp

    Filesize

    732KB

  • memory/4956-36-0x0000000002640000-0x00000000026F7000-memory.dmp

    Filesize

    732KB

  • memory/4956-32-0x0000000002640000-0x00000000026F7000-memory.dmp

    Filesize

    732KB

  • memory/4956-27-0x0000000002640000-0x00000000026F7000-memory.dmp

    Filesize

    732KB