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Analysis

  • max time kernel
    117s
  • max time network
    119s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    16/12/2024, 11:19

General

  • Target

    3114d2ff7ccf405c3ada70beb2fc0c5f15797621b4a8ac4917f298c51ff1f007N.exe

  • Size

    1.0MB

  • MD5

    f03fb123b235af5860c515a64e5ba1d0

  • SHA1

    e3a1ec90d8ad6471726df5bb685f0d1e586b2359

  • SHA256

    3114d2ff7ccf405c3ada70beb2fc0c5f15797621b4a8ac4917f298c51ff1f007

  • SHA512

    9676dd31c2c8349d21e4d14eacd59a057827553bfec7427534dd5c352aee259af517f0d244dd90f05ece971dd479ef53f440fa4a51c8131e2faf2e24dbf1331d

  • SSDEEP

    24576:8mUNJyJqb1FcMap2ATT5TmUNJyJqb1FcMap2ATT5TmUNJyJqb1FcMap2ATT58:8mV2ApTmV2ApTmV2Ap8

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 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 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\3114d2ff7ccf405c3ada70beb2fc0c5f15797621b4a8ac4917f298c51ff1f007N.exe
    "C:\Users\Admin\AppData\Local\Temp\3114d2ff7ccf405c3ada70beb2fc0c5f15797621b4a8ac4917f298c51ff1f007N.exe"
    1⤵
    • Modifies WinLogon
    • Drops file in Windows directory
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious behavior: RenamesItself
    • Suspicious use of WriteProcessMemory
    PID:216
    • 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:3372

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Temp\D03E.tmp

    Filesize

    12KB

    MD5

    caa300673c11a7627a7b6346e1a93b61

    SHA1

    7ecaf36f1e150c478b6cfc3446ec7f0c662c071a

    SHA256

    42ae110a0ecd0d83c4f12314d42a585354b501856dc3c7b483123fcbc317f2aa

    SHA512

    f11f1182d2fdc14b2c64e2221091e318f76c9a41824977c1a93bf2077300bba919ca4a01c80340c4c20d239ac6dbadf091f544891f0ec72df62a6cc11231faa6

  • C:\Users\Admin\AppData\Local\Temp\D590.tmp

    Filesize

    593B

    MD5

    3b03d93d3487806337b5c6443ce7a62d

    SHA1

    93a7a790bb6348606cbdaf5daeaaf4ea8cf731d0

    SHA256

    7392749832c70fcfc2d440d7afc2f880000dd564930d95d634eb1199fa15de30

    SHA512

    770977beaeedafc5c98d0c32edc8c6c850f05e9f363bc9997fa73991646b02e5d40ceed0017b06caeab0db86423844bc4b0a9f0df2d8239230e423a7bfbd4a88

  • C:\Users\Admin\AppData\Local\Temp\D590.tmp

    Filesize

    593B

    MD5

    926512864979bc27cf187f1de3f57aff

    SHA1

    acdeb9d6187932613c7fa08eaf28f0cd8116f4b5

    SHA256

    b3e893a653ec06c05ee90f2f6e98cc052a92f6616d7cca8c416420e178dcc73f

    SHA512

    f6f9fd3ca9305bec879cfcd38e64111a18e65e30d25c49e9f2cd546cbab9b2dcd03eca81952f6b77c0eaab20192ef7bef0d8d434f6f371811929e75f8620633b

  • C:\Users\Admin\AppData\Local\Temp\E3F1.tmp

    Filesize

    61KB

    MD5

    4a1e26da354b956a496bec495eef81c5

    SHA1

    2686205390f8bf061be848b71791f6da810d324c

    SHA256

    ee0034af3fdd24b95a805d29549576e0352c079a10705ffe682c592c5e3ab81f

    SHA512

    45a1ed7817486172aa8befbba47032751d717a0e2350f950532b9b6c0fa69da5e7f817605e5b7852fdf8da301fe95d97545b2060249b9a2afa2ea34fa816c10f

  • C:\Windows\apppatch\svchost.exe

    Filesize

    1.0MB

    MD5

    389d2871cf11fb95ac0a1cec0603c442

    SHA1

    d9e76710b9ce91c6e7291b3f606bcd1496169bb5

    SHA256

    2e44ab8480a4a1dba2b08c01b38d7f6c331d43585cb75e30a265a152f53e74a6

    SHA512

    0fa5ad3a2a64427d67f28a8549f7c58d93c157c479bd5a14b04e523ffa13bd118c9270aede804b5cf3a9897b2be7aa6b20ab8e3e23986bab3cbea906a3d7fb5b

  • memory/216-8-0x0000000000400000-0x000000000045F000-memory.dmp

    Filesize

    380KB

  • memory/3372-10-0x0000000002720000-0x00000000027C8000-memory.dmp

    Filesize

    672KB

  • memory/3372-13-0x0000000002B40000-0x0000000002BF6000-memory.dmp

    Filesize

    728KB

  • memory/3372-14-0x0000000002B40000-0x0000000002BF6000-memory.dmp

    Filesize

    728KB

  • memory/3372-16-0x0000000002B40000-0x0000000002BF6000-memory.dmp

    Filesize

    728KB

  • memory/3372-18-0x0000000002B40000-0x0000000002BF6000-memory.dmp

    Filesize

    728KB

  • memory/3372-19-0x0000000002B40000-0x0000000002BF6000-memory.dmp

    Filesize

    728KB

  • memory/3372-73-0x0000000002B40000-0x0000000002BF6000-memory.dmp

    Filesize

    728KB

  • memory/3372-72-0x0000000002B40000-0x0000000002BF6000-memory.dmp

    Filesize

    728KB

  • memory/3372-71-0x0000000002B40000-0x0000000002BF6000-memory.dmp

    Filesize

    728KB

  • memory/3372-70-0x0000000002B40000-0x0000000002BF6000-memory.dmp

    Filesize

    728KB

  • memory/3372-69-0x0000000002B40000-0x0000000002BF6000-memory.dmp

    Filesize

    728KB

  • memory/3372-68-0x0000000002B40000-0x0000000002BF6000-memory.dmp

    Filesize

    728KB

  • memory/3372-67-0x0000000002B40000-0x0000000002BF6000-memory.dmp

    Filesize

    728KB

  • memory/3372-66-0x0000000002B40000-0x0000000002BF6000-memory.dmp

    Filesize

    728KB

  • memory/3372-65-0x0000000002B40000-0x0000000002BF6000-memory.dmp

    Filesize

    728KB

  • memory/3372-64-0x0000000002B40000-0x0000000002BF6000-memory.dmp

    Filesize

    728KB

  • memory/3372-63-0x0000000002B40000-0x0000000002BF6000-memory.dmp

    Filesize

    728KB

  • memory/3372-62-0x0000000002B40000-0x0000000002BF6000-memory.dmp

    Filesize

    728KB

  • memory/3372-61-0x0000000002B40000-0x0000000002BF6000-memory.dmp

    Filesize

    728KB

  • memory/3372-59-0x0000000002B40000-0x0000000002BF6000-memory.dmp

    Filesize

    728KB

  • memory/3372-58-0x0000000002B40000-0x0000000002BF6000-memory.dmp

    Filesize

    728KB

  • memory/3372-57-0x0000000002B40000-0x0000000002BF6000-memory.dmp

    Filesize

    728KB

  • memory/3372-56-0x0000000002B40000-0x0000000002BF6000-memory.dmp

    Filesize

    728KB

  • memory/3372-55-0x0000000002B40000-0x0000000002BF6000-memory.dmp

    Filesize

    728KB

  • memory/3372-54-0x0000000002B40000-0x0000000002BF6000-memory.dmp

    Filesize

    728KB

  • memory/3372-53-0x0000000002B40000-0x0000000002BF6000-memory.dmp

    Filesize

    728KB

  • memory/3372-52-0x0000000002B40000-0x0000000002BF6000-memory.dmp

    Filesize

    728KB

  • memory/3372-51-0x0000000002B40000-0x0000000002BF6000-memory.dmp

    Filesize

    728KB

  • memory/3372-50-0x0000000002B40000-0x0000000002BF6000-memory.dmp

    Filesize

    728KB

  • memory/3372-49-0x0000000002B40000-0x0000000002BF6000-memory.dmp

    Filesize

    728KB

  • memory/3372-48-0x0000000002B40000-0x0000000002BF6000-memory.dmp

    Filesize

    728KB

  • memory/3372-47-0x0000000002B40000-0x0000000002BF6000-memory.dmp

    Filesize

    728KB

  • memory/3372-46-0x0000000002B40000-0x0000000002BF6000-memory.dmp

    Filesize

    728KB

  • memory/3372-45-0x0000000002B40000-0x0000000002BF6000-memory.dmp

    Filesize

    728KB

  • memory/3372-43-0x0000000002B40000-0x0000000002BF6000-memory.dmp

    Filesize

    728KB

  • memory/3372-42-0x0000000002B40000-0x0000000002BF6000-memory.dmp

    Filesize

    728KB

  • memory/3372-40-0x0000000002B40000-0x0000000002BF6000-memory.dmp

    Filesize

    728KB

  • memory/3372-39-0x0000000002B40000-0x0000000002BF6000-memory.dmp

    Filesize

    728KB

  • memory/3372-37-0x0000000002B40000-0x0000000002BF6000-memory.dmp

    Filesize

    728KB

  • memory/3372-38-0x0000000002B40000-0x0000000002BF6000-memory.dmp

    Filesize

    728KB

  • memory/3372-36-0x0000000002B40000-0x0000000002BF6000-memory.dmp

    Filesize

    728KB

  • memory/3372-35-0x0000000002B40000-0x0000000002BF6000-memory.dmp

    Filesize

    728KB

  • memory/3372-34-0x0000000002B40000-0x0000000002BF6000-memory.dmp

    Filesize

    728KB

  • memory/3372-33-0x0000000002B40000-0x0000000002BF6000-memory.dmp

    Filesize

    728KB

  • memory/3372-31-0x0000000002B40000-0x0000000002BF6000-memory.dmp

    Filesize

    728KB

  • memory/3372-30-0x0000000002B40000-0x0000000002BF6000-memory.dmp

    Filesize

    728KB

  • memory/3372-29-0x0000000002B40000-0x0000000002BF6000-memory.dmp

    Filesize

    728KB

  • memory/3372-28-0x0000000002B40000-0x0000000002BF6000-memory.dmp

    Filesize

    728KB

  • memory/3372-26-0x0000000002B40000-0x0000000002BF6000-memory.dmp

    Filesize

    728KB

  • memory/3372-25-0x0000000002B40000-0x0000000002BF6000-memory.dmp

    Filesize

    728KB

  • memory/3372-24-0x0000000002B40000-0x0000000002BF6000-memory.dmp

    Filesize

    728KB

  • memory/3372-23-0x0000000002B40000-0x0000000002BF6000-memory.dmp

    Filesize

    728KB

  • memory/3372-22-0x0000000002B40000-0x0000000002BF6000-memory.dmp

    Filesize

    728KB

  • memory/3372-20-0x0000000002B40000-0x0000000002BF6000-memory.dmp

    Filesize

    728KB

  • memory/3372-60-0x0000000002B40000-0x0000000002BF6000-memory.dmp

    Filesize

    728KB

  • memory/3372-44-0x0000000002B40000-0x0000000002BF6000-memory.dmp

    Filesize

    728KB

  • memory/3372-41-0x0000000002B40000-0x0000000002BF6000-memory.dmp

    Filesize

    728KB

  • memory/3372-32-0x0000000002B40000-0x0000000002BF6000-memory.dmp

    Filesize

    728KB

  • memory/3372-27-0x0000000002B40000-0x0000000002BF6000-memory.dmp

    Filesize

    728KB

  • memory/3372-21-0x0000000002B40000-0x0000000002BF6000-memory.dmp

    Filesize

    728KB

  • memory/3372-17-0x0000000002B40000-0x0000000002BF6000-memory.dmp

    Filesize

    728KB

  • memory/3372-175-0x0000000002B40000-0x0000000002BF6000-memory.dmp

    Filesize

    728KB