Analysis

  • max time kernel
    120s
  • max time network
    119s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    22-12-2024 07:26

General

  • Target

    60d052cb7e5723347829616e0d9434825e442a575199bc9db4bb53d069584787N.exe

  • Size

    375KB

  • MD5

    aa85721a7365b952ae799a07e05426d0

  • SHA1

    0ea65ea0fd8cdebd19227b8365ced879a2d08364

  • SHA256

    60d052cb7e5723347829616e0d9434825e442a575199bc9db4bb53d069584787

  • SHA512

    110d08f1aae5d5e75bb4dde2306b7ec3c4cc8ec6e758851564f34a1cd1d6603a76d3bd2771195e67688deea04577c60b162d08bcea752555c86122783d941d3f

  • SSDEEP

    6144:33EmWPDNND9yRPzLq+YXFqaZiMLic9kzVd7EAC4TSs9EiU:EmWhND9yJz+b1FcMLmp2ATTSsdU

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

Processes

  • C:\Users\Admin\AppData\Local\Temp\60d052cb7e5723347829616e0d9434825e442a575199bc9db4bb53d069584787N.exe
    "C:\Users\Admin\AppData\Local\Temp\60d052cb7e5723347829616e0d9434825e442a575199bc9db4bb53d069584787N.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:2972
    • 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:2260

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Microsoft\Windows\Temporary Internet Files\Content.IE5\Y8UFEBH5\login[2].htm

    Filesize

    162B

    MD5

    4f8e702cc244ec5d4de32740c0ecbd97

    SHA1

    3adb1f02d5b6054de0046e367c1d687b6cdf7aff

    SHA256

    9e17cb15dd75bbbd5dbb984eda674863c3b10ab72613cf8a39a00c3e11a8492a

    SHA512

    21047fea5269fee75a2a187aa09316519e35068cb2f2f76cfaf371e5224445e9d5c98497bd76fb9608d2b73e9dac1a3f5bfadfdc4623c479d53ecf93d81d3c9f

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

    Filesize

    593B

    MD5

    926512864979bc27cf187f1de3f57aff

    SHA1

    acdeb9d6187932613c7fa08eaf28f0cd8116f4b5

    SHA256

    b3e893a653ec06c05ee90f2f6e98cc052a92f6616d7cca8c416420e178dcc73f

    SHA512

    f6f9fd3ca9305bec879cfcd38e64111a18e65e30d25c49e9f2cd546cbab9b2dcd03eca81952f6b77c0eaab20192ef7bef0d8d434f6f371811929e75f8620633b

  • C:\Windows\AppPatch\svchost.exe

    Filesize

    375KB

    MD5

    59c0fdb546951f5beea42a1e361c5199

    SHA1

    589b3b230e86f270cd9c8a36071daeb2aa620014

    SHA256

    9e3f49497abb6c4f87b0d7662ffa7031e7de90ae9882d4f88cda5c49798cb718

    SHA512

    dedd7570c5384956e5c38e11b0ef1baaf640db639d7f246f749cae0d96677c25827da94eb9587d1a9800a971a08f867f8dcfb01691cc564de49ebc1d8bfca6a4

  • memory/2260-63-0x00000000024B0000-0x0000000002566000-memory.dmp

    Filesize

    728KB

  • memory/2260-192-0x00000000024B0000-0x0000000002566000-memory.dmp

    Filesize

    728KB

  • memory/2260-27-0x0000000000320000-0x00000000003C8000-memory.dmp

    Filesize

    672KB

  • memory/2260-23-0x0000000000320000-0x00000000003C8000-memory.dmp

    Filesize

    672KB

  • memory/2260-21-0x0000000000320000-0x00000000003C8000-memory.dmp

    Filesize

    672KB

  • memory/2260-19-0x0000000000320000-0x00000000003C8000-memory.dmp

    Filesize

    672KB

  • memory/2260-17-0x0000000000320000-0x00000000003C8000-memory.dmp

    Filesize

    672KB

  • memory/2260-62-0x00000000024B0000-0x0000000002566000-memory.dmp

    Filesize

    728KB

  • memory/2260-33-0x00000000024B0000-0x0000000002566000-memory.dmp

    Filesize

    728KB

  • memory/2260-31-0x00000000024B0000-0x0000000002566000-memory.dmp

    Filesize

    728KB

  • memory/2260-43-0x00000000024B0000-0x0000000002566000-memory.dmp

    Filesize

    728KB

  • memory/2260-42-0x00000000024B0000-0x0000000002566000-memory.dmp

    Filesize

    728KB

  • memory/2260-81-0x00000000024B0000-0x0000000002566000-memory.dmp

    Filesize

    728KB

  • memory/2260-80-0x00000000024B0000-0x0000000002566000-memory.dmp

    Filesize

    728KB

  • memory/2260-79-0x00000000024B0000-0x0000000002566000-memory.dmp

    Filesize

    728KB

  • memory/2260-78-0x00000000024B0000-0x0000000002566000-memory.dmp

    Filesize

    728KB

  • memory/2260-77-0x00000000024B0000-0x0000000002566000-memory.dmp

    Filesize

    728KB

  • memory/2260-76-0x00000000024B0000-0x0000000002566000-memory.dmp

    Filesize

    728KB

  • memory/2260-75-0x00000000024B0000-0x0000000002566000-memory.dmp

    Filesize

    728KB

  • memory/2260-74-0x00000000024B0000-0x0000000002566000-memory.dmp

    Filesize

    728KB

  • memory/2260-73-0x00000000024B0000-0x0000000002566000-memory.dmp

    Filesize

    728KB

  • memory/2260-72-0x00000000024B0000-0x0000000002566000-memory.dmp

    Filesize

    728KB

  • memory/2260-70-0x00000000024B0000-0x0000000002566000-memory.dmp

    Filesize

    728KB

  • memory/2260-69-0x00000000024B0000-0x0000000002566000-memory.dmp

    Filesize

    728KB

  • memory/2260-68-0x00000000024B0000-0x0000000002566000-memory.dmp

    Filesize

    728KB

  • memory/2260-67-0x00000000024B0000-0x0000000002566000-memory.dmp

    Filesize

    728KB

  • memory/2260-66-0x00000000024B0000-0x0000000002566000-memory.dmp

    Filesize

    728KB

  • memory/2260-65-0x00000000024B0000-0x0000000002566000-memory.dmp

    Filesize

    728KB

  • memory/2260-64-0x00000000024B0000-0x0000000002566000-memory.dmp

    Filesize

    728KB

  • memory/2260-16-0x0000000000400000-0x0000000000464000-memory.dmp

    Filesize

    400KB

  • memory/2260-60-0x00000000024B0000-0x0000000002566000-memory.dmp

    Filesize

    728KB

  • memory/2260-25-0x0000000000320000-0x00000000003C8000-memory.dmp

    Filesize

    672KB

  • memory/2260-30-0x00000000024B0000-0x0000000002566000-memory.dmp

    Filesize

    728KB

  • memory/2260-59-0x00000000024B0000-0x0000000002566000-memory.dmp

    Filesize

    728KB

  • memory/2260-58-0x00000000024B0000-0x0000000002566000-memory.dmp

    Filesize

    728KB

  • memory/2260-57-0x00000000024B0000-0x0000000002566000-memory.dmp

    Filesize

    728KB

  • memory/2260-56-0x00000000024B0000-0x0000000002566000-memory.dmp

    Filesize

    728KB

  • memory/2260-55-0x00000000024B0000-0x0000000002566000-memory.dmp

    Filesize

    728KB

  • memory/2260-54-0x00000000024B0000-0x0000000002566000-memory.dmp

    Filesize

    728KB

  • memory/2260-53-0x00000000024B0000-0x0000000002566000-memory.dmp

    Filesize

    728KB

  • memory/2260-52-0x00000000024B0000-0x0000000002566000-memory.dmp

    Filesize

    728KB

  • memory/2260-51-0x00000000024B0000-0x0000000002566000-memory.dmp

    Filesize

    728KB

  • memory/2260-50-0x00000000024B0000-0x0000000002566000-memory.dmp

    Filesize

    728KB

  • memory/2260-49-0x00000000024B0000-0x0000000002566000-memory.dmp

    Filesize

    728KB

  • memory/2260-47-0x00000000024B0000-0x0000000002566000-memory.dmp

    Filesize

    728KB

  • memory/2260-46-0x00000000024B0000-0x0000000002566000-memory.dmp

    Filesize

    728KB

  • memory/2260-45-0x00000000024B0000-0x0000000002566000-memory.dmp

    Filesize

    728KB

  • memory/2260-44-0x00000000024B0000-0x0000000002566000-memory.dmp

    Filesize

    728KB

  • memory/2260-41-0x00000000024B0000-0x0000000002566000-memory.dmp

    Filesize

    728KB

  • memory/2260-39-0x00000000024B0000-0x0000000002566000-memory.dmp

    Filesize

    728KB

  • memory/2260-71-0x00000000024B0000-0x0000000002566000-memory.dmp

    Filesize

    728KB

  • memory/2260-38-0x00000000024B0000-0x0000000002566000-memory.dmp

    Filesize

    728KB

  • memory/2260-37-0x00000000024B0000-0x0000000002566000-memory.dmp

    Filesize

    728KB

  • memory/2260-35-0x00000000024B0000-0x0000000002566000-memory.dmp

    Filesize

    728KB

  • memory/2260-48-0x00000000024B0000-0x0000000002566000-memory.dmp

    Filesize

    728KB

  • memory/2260-40-0x00000000024B0000-0x0000000002566000-memory.dmp

    Filesize

    728KB

  • memory/2260-36-0x00000000024B0000-0x0000000002566000-memory.dmp

    Filesize

    728KB

  • memory/2260-190-0x0000000000400000-0x0000000000464000-memory.dmp

    Filesize

    400KB

  • memory/2260-61-0x00000000024B0000-0x0000000002566000-memory.dmp

    Filesize

    728KB

  • memory/2972-0-0x0000000000400000-0x0000000000464000-memory.dmp

    Filesize

    400KB

  • memory/2972-14-0x0000000000400000-0x0000000000464000-memory.dmp

    Filesize

    400KB