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
    31-12-2024 05:07

General

  • Target

    add6ea00019590cc450a2ff4bd7d9ff4eff6c1974d5415422872ef7b380d6820N.exe

  • Size

    232KB

  • MD5

    f575e0c50f3bdc4ea40e9beb0935faa0

  • SHA1

    925936535af927655629918ae84b5016ae0ed647

  • SHA256

    add6ea00019590cc450a2ff4bd7d9ff4eff6c1974d5415422872ef7b380d6820

  • SHA512

    cc865f0c4b58c812058d56423b2c01592fcb87686d12f12f4df6dd2df87a230c2d3019c33d8b12636a7cda43879c750c1889e71706ef90634900b0977dae6bb6

  • SSDEEP

    6144:JzHnMLm5GNGxHUhtnkdpHqTKzhh8r6cb21u:Jf58GxUh5kHyKFhW6cb21u

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
  • Modifies WinLogon 2 TTPs 2 IoCs
  • Drops file in Program Files directory 28 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 2 IoCs
  • Suspicious behavior: RenamesItself 1 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\add6ea00019590cc450a2ff4bd7d9ff4eff6c1974d5415422872ef7b380d6820N.exe
    "C:\Users\Admin\AppData\Local\Temp\add6ea00019590cc450a2ff4bd7d9ff4eff6c1974d5415422872ef7b380d6820N.exe"
    1⤵
    • Modifies WinLogon
    • Drops file in Windows directory
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: RenamesItself
    • Suspicious use of WriteProcessMemory
    PID:2972
    • C:\Windows\apppatch\svchost.exe
      "C:\Windows\apppatch\svchost.exe"
      2⤵
      • Modifies WinLogon for persistence
      • Executes dropped EXE
      • Modifies WinLogon
      • Drops file in Program Files directory
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      PID:4636

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Program Files (x86)\Windows Defender\qetyhyg.com

    Filesize

    593B

    MD5

    3b03d93d3487806337b5c6443ce7a62d

    SHA1

    93a7a790bb6348606cbdaf5daeaaf4ea8cf731d0

    SHA256

    7392749832c70fcfc2d440d7afc2f880000dd564930d95d634eb1199fa15de30

    SHA512

    770977beaeedafc5c98d0c32edc8c6c850f05e9f363bc9997fa73991646b02e5d40ceed0017b06caeab0db86423844bc4b0a9f0df2d8239230e423a7bfbd4a88

  • C:\Program Files (x86)\Windows Defender\qetyhyg.com

    Filesize

    593B

    MD5

    926512864979bc27cf187f1de3f57aff

    SHA1

    acdeb9d6187932613c7fa08eaf28f0cd8116f4b5

    SHA256

    b3e893a653ec06c05ee90f2f6e98cc052a92f6616d7cca8c416420e178dcc73f

    SHA512

    f6f9fd3ca9305bec879cfcd38e64111a18e65e30d25c49e9f2cd546cbab9b2dcd03eca81952f6b77c0eaab20192ef7bef0d8d434f6f371811929e75f8620633b

  • C:\Windows\apppatch\svchost.exe

    Filesize

    232KB

    MD5

    c63e9496eb40b0d758d645af4d3bda2a

    SHA1

    98deaadc3718ee4c4da7d13861eced4525bbf841

    SHA256

    9acec67a4f3b7ff4b22125d5f7162b4f2e4a9cce59240c2c2bf79aa08d5b8119

    SHA512

    e375bc127446ebe1167609fc2c174cc89f7173124a310e8d3982d7566627cfb989d7907ee64a2c4fdc3d06a0cc263f95a5c91c64ffea4f1422a16b76180e68f7

  • memory/2972-0-0x0000000000400000-0x000000000048A000-memory.dmp

    Filesize

    552KB

  • memory/2972-1-0x0000000002250000-0x000000000229F000-memory.dmp

    Filesize

    316KB

  • memory/2972-2-0x0000000000400000-0x000000000045C000-memory.dmp

    Filesize

    368KB

  • memory/2972-15-0x0000000000400000-0x000000000045C000-memory.dmp

    Filesize

    368KB

  • memory/2972-14-0x0000000002250000-0x000000000229F000-memory.dmp

    Filesize

    316KB

  • memory/2972-11-0x0000000000400000-0x000000000048A000-memory.dmp

    Filesize

    552KB

  • memory/4636-61-0x0000000002C40000-0x0000000002CF2000-memory.dmp

    Filesize

    712KB

  • memory/4636-56-0x0000000002C40000-0x0000000002CF2000-memory.dmp

    Filesize

    712KB

  • memory/4636-17-0x0000000000400000-0x000000000048A000-memory.dmp

    Filesize

    552KB

  • memory/4636-18-0x0000000002A90000-0x0000000002B34000-memory.dmp

    Filesize

    656KB

  • memory/4636-19-0x0000000000400000-0x000000000048A000-memory.dmp

    Filesize

    552KB

  • memory/4636-22-0x0000000002C40000-0x0000000002CF2000-memory.dmp

    Filesize

    712KB

  • memory/4636-24-0x0000000002C40000-0x0000000002CF2000-memory.dmp

    Filesize

    712KB

  • memory/4636-20-0x0000000002C40000-0x0000000002CF2000-memory.dmp

    Filesize

    712KB

  • memory/4636-35-0x0000000002C40000-0x0000000002CF2000-memory.dmp

    Filesize

    712KB

  • memory/4636-40-0x0000000002C40000-0x0000000002CF2000-memory.dmp

    Filesize

    712KB

  • memory/4636-79-0x0000000002C40000-0x0000000002CF2000-memory.dmp

    Filesize

    712KB

  • memory/4636-78-0x0000000002C40000-0x0000000002CF2000-memory.dmp

    Filesize

    712KB

  • memory/4636-77-0x0000000002C40000-0x0000000002CF2000-memory.dmp

    Filesize

    712KB

  • memory/4636-76-0x0000000002C40000-0x0000000002CF2000-memory.dmp

    Filesize

    712KB

  • memory/4636-75-0x0000000002C40000-0x0000000002CF2000-memory.dmp

    Filesize

    712KB

  • memory/4636-74-0x0000000002C40000-0x0000000002CF2000-memory.dmp

    Filesize

    712KB

  • memory/4636-72-0x0000000002C40000-0x0000000002CF2000-memory.dmp

    Filesize

    712KB

  • memory/4636-71-0x0000000002C40000-0x0000000002CF2000-memory.dmp

    Filesize

    712KB

  • memory/4636-70-0x0000000002C40000-0x0000000002CF2000-memory.dmp

    Filesize

    712KB

  • memory/4636-69-0x0000000002C40000-0x0000000002CF2000-memory.dmp

    Filesize

    712KB

  • memory/4636-68-0x0000000002C40000-0x0000000002CF2000-memory.dmp

    Filesize

    712KB

  • memory/4636-67-0x0000000002C40000-0x0000000002CF2000-memory.dmp

    Filesize

    712KB

  • memory/4636-66-0x0000000002C40000-0x0000000002CF2000-memory.dmp

    Filesize

    712KB

  • memory/4636-65-0x0000000002C40000-0x0000000002CF2000-memory.dmp

    Filesize

    712KB

  • memory/4636-64-0x0000000002C40000-0x0000000002CF2000-memory.dmp

    Filesize

    712KB

  • memory/4636-63-0x0000000002C40000-0x0000000002CF2000-memory.dmp

    Filesize

    712KB

  • memory/4636-62-0x0000000002C40000-0x0000000002CF2000-memory.dmp

    Filesize

    712KB

  • memory/4636-16-0x0000000000400000-0x000000000048A000-memory.dmp

    Filesize

    552KB

  • memory/4636-60-0x0000000002C40000-0x0000000002CF2000-memory.dmp

    Filesize

    712KB

  • memory/4636-59-0x0000000002C40000-0x0000000002CF2000-memory.dmp

    Filesize

    712KB

  • memory/4636-58-0x0000000002C40000-0x0000000002CF2000-memory.dmp

    Filesize

    712KB

  • memory/4636-13-0x0000000000400000-0x000000000048A000-memory.dmp

    Filesize

    552KB

  • memory/4636-55-0x0000000002C40000-0x0000000002CF2000-memory.dmp

    Filesize

    712KB

  • memory/4636-54-0x0000000002C40000-0x0000000002CF2000-memory.dmp

    Filesize

    712KB

  • memory/4636-53-0x0000000002C40000-0x0000000002CF2000-memory.dmp

    Filesize

    712KB

  • memory/4636-52-0x0000000002C40000-0x0000000002CF2000-memory.dmp

    Filesize

    712KB

  • memory/4636-51-0x0000000002C40000-0x0000000002CF2000-memory.dmp

    Filesize

    712KB

  • memory/4636-50-0x0000000002C40000-0x0000000002CF2000-memory.dmp

    Filesize

    712KB

  • memory/4636-49-0x0000000002C40000-0x0000000002CF2000-memory.dmp

    Filesize

    712KB

  • memory/4636-48-0x0000000002C40000-0x0000000002CF2000-memory.dmp

    Filesize

    712KB

  • memory/4636-47-0x0000000002C40000-0x0000000002CF2000-memory.dmp

    Filesize

    712KB

  • memory/4636-46-0x0000000002C40000-0x0000000002CF2000-memory.dmp

    Filesize

    712KB

  • memory/4636-45-0x0000000002C40000-0x0000000002CF2000-memory.dmp

    Filesize

    712KB

  • memory/4636-44-0x0000000002C40000-0x0000000002CF2000-memory.dmp

    Filesize

    712KB

  • memory/4636-43-0x0000000002C40000-0x0000000002CF2000-memory.dmp

    Filesize

    712KB

  • memory/4636-42-0x0000000002C40000-0x0000000002CF2000-memory.dmp

    Filesize

    712KB

  • memory/4636-39-0x0000000002C40000-0x0000000002CF2000-memory.dmp

    Filesize

    712KB

  • memory/4636-38-0x0000000002C40000-0x0000000002CF2000-memory.dmp

    Filesize

    712KB

  • memory/4636-37-0x0000000002C40000-0x0000000002CF2000-memory.dmp

    Filesize

    712KB

  • memory/4636-36-0x0000000002C40000-0x0000000002CF2000-memory.dmp

    Filesize

    712KB

  • memory/4636-34-0x0000000002C40000-0x0000000002CF2000-memory.dmp

    Filesize

    712KB

  • memory/4636-33-0x0000000002C40000-0x0000000002CF2000-memory.dmp

    Filesize

    712KB

  • memory/4636-32-0x0000000002C40000-0x0000000002CF2000-memory.dmp

    Filesize

    712KB

  • memory/4636-30-0x0000000002C40000-0x0000000002CF2000-memory.dmp

    Filesize

    712KB

  • memory/4636-29-0x0000000002C40000-0x0000000002CF2000-memory.dmp

    Filesize

    712KB

  • memory/4636-28-0x0000000002C40000-0x0000000002CF2000-memory.dmp

    Filesize

    712KB

  • memory/4636-73-0x0000000002C40000-0x0000000002CF2000-memory.dmp

    Filesize

    712KB

  • memory/4636-27-0x0000000002C40000-0x0000000002CF2000-memory.dmp

    Filesize

    712KB

  • memory/4636-26-0x0000000002C40000-0x0000000002CF2000-memory.dmp

    Filesize

    712KB

  • memory/4636-57-0x0000000002C40000-0x0000000002CF2000-memory.dmp

    Filesize

    712KB

  • memory/4636-25-0x0000000002C40000-0x0000000002CF2000-memory.dmp

    Filesize

    712KB

  • memory/4636-41-0x0000000002C40000-0x0000000002CF2000-memory.dmp

    Filesize

    712KB

  • memory/4636-31-0x0000000002C40000-0x0000000002CF2000-memory.dmp

    Filesize

    712KB