Analysis

  • max time kernel
    141s
  • max time network
    150s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    18/12/2024, 07:02

General

  • Target

    ec9cb69e3e2fc14486953cc12f5a1bba5f013371ebaff2636e9ee872daf95767.exe

  • Size

    218KB

  • MD5

    c256173d8e5d72fdbd013702d022938b

  • SHA1

    9b7b7ea570796e2745024486b8ca6f5f531215ad

  • SHA256

    ec9cb69e3e2fc14486953cc12f5a1bba5f013371ebaff2636e9ee872daf95767

  • SHA512

    06f31077bcf66c1e0cdfc9b7fca424d6262ecc149ff468289959ed5aa2bfd5b315080609963bd3aef36995f8b5ca3d127954978aa1cf002c29dd361ec3b8d63a

  • SSDEEP

    6144:mEQBDdO1z7L/EIhZDE9oLfFWlMZT7+DGaMwICi:mEGDdQNHEwWlMxYG/wI7

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\ec9cb69e3e2fc14486953cc12f5a1bba5f013371ebaff2636e9ee872daf95767.exe
    "C:\Users\Admin\AppData\Local\Temp\ec9cb69e3e2fc14486953cc12f5a1bba5f013371ebaff2636e9ee872daf95767.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:2068
    • 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:2716

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Temp\AC69.tmp

    Filesize

    593B

    MD5

    3b03d93d3487806337b5c6443ce7a62d

    SHA1

    93a7a790bb6348606cbdaf5daeaaf4ea8cf731d0

    SHA256

    7392749832c70fcfc2d440d7afc2f880000dd564930d95d634eb1199fa15de30

    SHA512

    770977beaeedafc5c98d0c32edc8c6c850f05e9f363bc9997fa73991646b02e5d40ceed0017b06caeab0db86423844bc4b0a9f0df2d8239230e423a7bfbd4a88

  • C:\Users\Admin\AppData\Local\Temp\AC69.tmp

    Filesize

    593B

    MD5

    926512864979bc27cf187f1de3f57aff

    SHA1

    acdeb9d6187932613c7fa08eaf28f0cd8116f4b5

    SHA256

    b3e893a653ec06c05ee90f2f6e98cc052a92f6616d7cca8c416420e178dcc73f

    SHA512

    f6f9fd3ca9305bec879cfcd38e64111a18e65e30d25c49e9f2cd546cbab9b2dcd03eca81952f6b77c0eaab20192ef7bef0d8d434f6f371811929e75f8620633b

  • C:\Windows\apppatch\svchost.exe

    Filesize

    218KB

    MD5

    a1309982afe3d2499503d4b00d459e9e

    SHA1

    f87c1414f2b2962ebee07b19fb07537632563a91

    SHA256

    76185f237ea45bb54d4aea9d69804d7672f42ed3062c213b7011344271c03c89

    SHA512

    b13e6e6d45099aa4a261505e78ea70da2b6dcb5ba4d1339d8ee40e17caf498105b1fdc72a4d3708bc74d8701fab2d9367fc9e2108a6b68a817d6d73ca100a2b9

  • memory/2068-0-0x0000000000400000-0x00000000006D0000-memory.dmp

    Filesize

    2.8MB

  • memory/2068-1-0x0000000002420000-0x0000000002471000-memory.dmp

    Filesize

    324KB

  • memory/2068-2-0x0000000000400000-0x000000000045F000-memory.dmp

    Filesize

    380KB

  • memory/2068-12-0x0000000002420000-0x0000000002471000-memory.dmp

    Filesize

    324KB

  • memory/2068-15-0x0000000000400000-0x000000000045F000-memory.dmp

    Filesize

    380KB

  • memory/2068-11-0x0000000000400000-0x00000000006D0000-memory.dmp

    Filesize

    2.8MB

  • memory/2716-16-0x0000000000400000-0x00000000006D0000-memory.dmp

    Filesize

    2.8MB

  • memory/2716-14-0x0000000000400000-0x00000000006D0000-memory.dmp

    Filesize

    2.8MB

  • memory/2716-17-0x0000000000400000-0x00000000006D0000-memory.dmp

    Filesize

    2.8MB

  • memory/2716-18-0x0000000002C00000-0x0000000002CA8000-memory.dmp

    Filesize

    672KB

  • memory/2716-19-0x0000000000400000-0x00000000006D0000-memory.dmp

    Filesize

    2.8MB

  • memory/2716-20-0x0000000002DF0000-0x0000000002EA6000-memory.dmp

    Filesize

    728KB

  • memory/2716-24-0x0000000002DF0000-0x0000000002EA6000-memory.dmp

    Filesize

    728KB

  • memory/2716-22-0x0000000002DF0000-0x0000000002EA6000-memory.dmp

    Filesize

    728KB

  • memory/2716-27-0x0000000002DF0000-0x0000000002EA6000-memory.dmp

    Filesize

    728KB

  • memory/2716-28-0x0000000002DF0000-0x0000000002EA6000-memory.dmp

    Filesize

    728KB

  • memory/2716-79-0x0000000002DF0000-0x0000000002EA6000-memory.dmp

    Filesize

    728KB

  • memory/2716-78-0x0000000002DF0000-0x0000000002EA6000-memory.dmp

    Filesize

    728KB

  • memory/2716-76-0x0000000002DF0000-0x0000000002EA6000-memory.dmp

    Filesize

    728KB

  • memory/2716-75-0x0000000002DF0000-0x0000000002EA6000-memory.dmp

    Filesize

    728KB

  • memory/2716-74-0x0000000002DF0000-0x0000000002EA6000-memory.dmp

    Filesize

    728KB

  • memory/2716-73-0x0000000002DF0000-0x0000000002EA6000-memory.dmp

    Filesize

    728KB

  • memory/2716-72-0x0000000002DF0000-0x0000000002EA6000-memory.dmp

    Filesize

    728KB

  • memory/2716-71-0x0000000002DF0000-0x0000000002EA6000-memory.dmp

    Filesize

    728KB

  • memory/2716-70-0x0000000002DF0000-0x0000000002EA6000-memory.dmp

    Filesize

    728KB

  • memory/2716-69-0x0000000002DF0000-0x0000000002EA6000-memory.dmp

    Filesize

    728KB

  • memory/2716-68-0x0000000002DF0000-0x0000000002EA6000-memory.dmp

    Filesize

    728KB

  • memory/2716-67-0x0000000002DF0000-0x0000000002EA6000-memory.dmp

    Filesize

    728KB

  • memory/2716-66-0x0000000002DF0000-0x0000000002EA6000-memory.dmp

    Filesize

    728KB

  • memory/2716-65-0x0000000002DF0000-0x0000000002EA6000-memory.dmp

    Filesize

    728KB

  • memory/2716-63-0x0000000002DF0000-0x0000000002EA6000-memory.dmp

    Filesize

    728KB

  • memory/2716-62-0x0000000002DF0000-0x0000000002EA6000-memory.dmp

    Filesize

    728KB

  • memory/2716-61-0x0000000002DF0000-0x0000000002EA6000-memory.dmp

    Filesize

    728KB

  • memory/2716-60-0x0000000002DF0000-0x0000000002EA6000-memory.dmp

    Filesize

    728KB

  • memory/2716-59-0x0000000002DF0000-0x0000000002EA6000-memory.dmp

    Filesize

    728KB

  • memory/2716-58-0x0000000002DF0000-0x0000000002EA6000-memory.dmp

    Filesize

    728KB

  • memory/2716-57-0x0000000002DF0000-0x0000000002EA6000-memory.dmp

    Filesize

    728KB

  • memory/2716-56-0x0000000002DF0000-0x0000000002EA6000-memory.dmp

    Filesize

    728KB

  • memory/2716-55-0x0000000002DF0000-0x0000000002EA6000-memory.dmp

    Filesize

    728KB

  • memory/2716-54-0x0000000002DF0000-0x0000000002EA6000-memory.dmp

    Filesize

    728KB

  • memory/2716-52-0x0000000002DF0000-0x0000000002EA6000-memory.dmp

    Filesize

    728KB

  • memory/2716-51-0x0000000002DF0000-0x0000000002EA6000-memory.dmp

    Filesize

    728KB

  • memory/2716-50-0x0000000002DF0000-0x0000000002EA6000-memory.dmp

    Filesize

    728KB

  • memory/2716-49-0x0000000002DF0000-0x0000000002EA6000-memory.dmp

    Filesize

    728KB

  • memory/2716-48-0x0000000002DF0000-0x0000000002EA6000-memory.dmp

    Filesize

    728KB

  • memory/2716-46-0x0000000002DF0000-0x0000000002EA6000-memory.dmp

    Filesize

    728KB

  • memory/2716-47-0x0000000002DF0000-0x0000000002EA6000-memory.dmp

    Filesize

    728KB

  • memory/2716-45-0x0000000002DF0000-0x0000000002EA6000-memory.dmp

    Filesize

    728KB

  • memory/2716-44-0x0000000002DF0000-0x0000000002EA6000-memory.dmp

    Filesize

    728KB

  • memory/2716-43-0x0000000002DF0000-0x0000000002EA6000-memory.dmp

    Filesize

    728KB

  • memory/2716-42-0x0000000002DF0000-0x0000000002EA6000-memory.dmp

    Filesize

    728KB

  • memory/2716-41-0x0000000002DF0000-0x0000000002EA6000-memory.dmp

    Filesize

    728KB

  • memory/2716-40-0x0000000002DF0000-0x0000000002EA6000-memory.dmp

    Filesize

    728KB

  • memory/2716-39-0x0000000002DF0000-0x0000000002EA6000-memory.dmp

    Filesize

    728KB

  • memory/2716-37-0x0000000002DF0000-0x0000000002EA6000-memory.dmp

    Filesize

    728KB

  • memory/2716-36-0x0000000002DF0000-0x0000000002EA6000-memory.dmp

    Filesize

    728KB

  • memory/2716-35-0x0000000002DF0000-0x0000000002EA6000-memory.dmp

    Filesize

    728KB

  • memory/2716-34-0x0000000002DF0000-0x0000000002EA6000-memory.dmp

    Filesize

    728KB

  • memory/2716-33-0x0000000002DF0000-0x0000000002EA6000-memory.dmp

    Filesize

    728KB

  • memory/2716-31-0x0000000002DF0000-0x0000000002EA6000-memory.dmp

    Filesize

    728KB

  • memory/2716-30-0x0000000002DF0000-0x0000000002EA6000-memory.dmp

    Filesize

    728KB

  • memory/2716-29-0x0000000002DF0000-0x0000000002EA6000-memory.dmp

    Filesize

    728KB

  • memory/2716-77-0x0000000002DF0000-0x0000000002EA6000-memory.dmp

    Filesize

    728KB

  • memory/2716-64-0x0000000002DF0000-0x0000000002EA6000-memory.dmp

    Filesize

    728KB

  • memory/2716-53-0x0000000002DF0000-0x0000000002EA6000-memory.dmp

    Filesize

    728KB

  • memory/2716-26-0x0000000002DF0000-0x0000000002EA6000-memory.dmp

    Filesize

    728KB

  • memory/2716-38-0x0000000002DF0000-0x0000000002EA6000-memory.dmp

    Filesize

    728KB

  • memory/2716-25-0x0000000002DF0000-0x0000000002EA6000-memory.dmp

    Filesize

    728KB

  • memory/2716-32-0x0000000002DF0000-0x0000000002EA6000-memory.dmp

    Filesize

    728KB