Analysis

  • max time kernel
    150s
  • max time network
    150s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    20/09/2024, 00:14

General

  • Target

    c2980f3c76e402749cc1d74df109e6ee3409fe80a3ebf9a3a7f00deefd88c0aa.exe

  • Size

    211KB

  • MD5

    ca5de5b4d1bf2ab9b4b083081c75defc

  • SHA1

    137bd9b2b1456b19e0901e900f26ce6625110b2d

  • SHA256

    c2980f3c76e402749cc1d74df109e6ee3409fe80a3ebf9a3a7f00deefd88c0aa

  • SHA512

    2fcfc4585d10c071715e13c70f386c643eee4d24dc5b296a323183052646940f7f3f939cb0eb14c2fee75c462a63fc822ba7e2c99a7ca54e7b66c064951465d0

  • SSDEEP

    6144:6rMoyX6dxajoPXA1nriwrw1cfCOSJcAb:QysxVY1nZ+b

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

    Simda is an infostealer written in C++.

  • Executes dropped EXE 1 IoCs
  • Modifies WinLogon 2 TTPs 1 IoCs
  • Drops file in Program Files directory 17 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\c2980f3c76e402749cc1d74df109e6ee3409fe80a3ebf9a3a7f00deefd88c0aa.exe
    "C:\Users\Admin\AppData\Local\Temp\c2980f3c76e402749cc1d74df109e6ee3409fe80a3ebf9a3a7f00deefd88c0aa.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:652
    • 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:2728

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        • C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\Low\IE\R0GIOVQM\login[1].htm

          Filesize

          168B

          MD5

          d57e3a550060f85d44a175139ea23021

          SHA1

          2c5cb3428a322c9709a34d04dd86fe7628f8f0a6

          SHA256

          43edf068d34276e8ade4113d4d7207de19fc98a2ae1c07298e593edae2a8774c

          SHA512

          0364fe6a010fce7a3f4a6344c84468c64b20fd131f3160fc649db78f1075ba52d8a1c4496e50dbe27c357e01ee52e94cdcda8f7927cba28d5f2f45b9da690063

        • C:\Windows\apppatch\svchost.exe

          Filesize

          211KB

          MD5

          1c7c451da9d64c2755d409ab334edd26

          SHA1

          f8d79a9b76c9b8f876ec67654fed2c30d4e0c7b7

          SHA256

          46c74be018181199abba97dd642b8d66f1eeee94df94afb0e54c43234f4f0f99

          SHA512

          0fda202a006a1bee15013eb469f944f0b3ac8e6d5ed306c3ece47553a6d8a52287b56665057ff8ffaee6a16173a85403ab08a85ae04f940023b338406023fca3

        • memory/652-0-0x0000000000400000-0x0000000000492000-memory.dmp

          Filesize

          584KB

        • memory/652-1-0x0000000002220000-0x0000000002272000-memory.dmp

          Filesize

          328KB

        • memory/652-2-0x0000000000400000-0x000000000045F000-memory.dmp

          Filesize

          380KB

        • memory/652-16-0x0000000002220000-0x0000000002272000-memory.dmp

          Filesize

          328KB

        • memory/652-17-0x0000000000400000-0x000000000045F000-memory.dmp

          Filesize

          380KB

        • memory/652-15-0x0000000000400000-0x0000000000492000-memory.dmp

          Filesize

          584KB

        • memory/2728-14-0x0000000000400000-0x0000000000492000-memory.dmp

          Filesize

          584KB

        • memory/2728-18-0x0000000000400000-0x0000000000492000-memory.dmp

          Filesize

          584KB

        • memory/2728-19-0x0000000000400000-0x0000000000492000-memory.dmp

          Filesize

          584KB

        • memory/2728-20-0x0000000002A00000-0x0000000002AAA000-memory.dmp

          Filesize

          680KB

        • memory/2728-21-0x0000000000400000-0x0000000000492000-memory.dmp

          Filesize

          584KB

        • memory/2728-22-0x0000000002BB0000-0x0000000002C67000-memory.dmp

          Filesize

          732KB

        • memory/2728-26-0x0000000002BB0000-0x0000000002C67000-memory.dmp

          Filesize

          732KB

        • memory/2728-24-0x0000000002BB0000-0x0000000002C67000-memory.dmp

          Filesize

          732KB

        • memory/2728-53-0x0000000002BB0000-0x0000000002C67000-memory.dmp

          Filesize

          732KB

        • memory/2728-60-0x0000000002BB0000-0x0000000002C67000-memory.dmp

          Filesize

          732KB

        • memory/2728-80-0x0000000002BB0000-0x0000000002C67000-memory.dmp

          Filesize

          732KB

        • memory/2728-79-0x0000000002BB0000-0x0000000002C67000-memory.dmp

          Filesize

          732KB

        • memory/2728-78-0x0000000002BB0000-0x0000000002C67000-memory.dmp

          Filesize

          732KB

        • memory/2728-77-0x0000000002BB0000-0x0000000002C67000-memory.dmp

          Filesize

          732KB

        • memory/2728-76-0x0000000002BB0000-0x0000000002C67000-memory.dmp

          Filesize

          732KB

        • memory/2728-75-0x0000000002BB0000-0x0000000002C67000-memory.dmp

          Filesize

          732KB

        • memory/2728-74-0x0000000002BB0000-0x0000000002C67000-memory.dmp

          Filesize

          732KB

        • memory/2728-73-0x0000000002BB0000-0x0000000002C67000-memory.dmp

          Filesize

          732KB

        • memory/2728-72-0x0000000002BB0000-0x0000000002C67000-memory.dmp

          Filesize

          732KB

        • memory/2728-71-0x0000000002BB0000-0x0000000002C67000-memory.dmp

          Filesize

          732KB

        • memory/2728-70-0x0000000002BB0000-0x0000000002C67000-memory.dmp

          Filesize

          732KB

        • memory/2728-69-0x0000000002BB0000-0x0000000002C67000-memory.dmp

          Filesize

          732KB

        • memory/2728-68-0x0000000002BB0000-0x0000000002C67000-memory.dmp

          Filesize

          732KB

        • memory/2728-67-0x0000000002BB0000-0x0000000002C67000-memory.dmp

          Filesize

          732KB

        • memory/2728-66-0x0000000002BB0000-0x0000000002C67000-memory.dmp

          Filesize

          732KB

        • memory/2728-64-0x0000000002BB0000-0x0000000002C67000-memory.dmp

          Filesize

          732KB

        • memory/2728-63-0x0000000002BB0000-0x0000000002C67000-memory.dmp

          Filesize

          732KB

        • memory/2728-62-0x0000000002BB0000-0x0000000002C67000-memory.dmp

          Filesize

          732KB

        • memory/2728-61-0x0000000002BB0000-0x0000000002C67000-memory.dmp

          Filesize

          732KB

        • memory/2728-59-0x0000000002BB0000-0x0000000002C67000-memory.dmp

          Filesize

          732KB

        • memory/2728-58-0x0000000002BB0000-0x0000000002C67000-memory.dmp

          Filesize

          732KB

        • memory/2728-57-0x0000000002BB0000-0x0000000002C67000-memory.dmp

          Filesize

          732KB

        • memory/2728-56-0x0000000002BB0000-0x0000000002C67000-memory.dmp

          Filesize

          732KB

        • memory/2728-55-0x0000000002BB0000-0x0000000002C67000-memory.dmp

          Filesize

          732KB

        • memory/2728-54-0x0000000002BB0000-0x0000000002C67000-memory.dmp

          Filesize

          732KB

        • memory/2728-52-0x0000000002BB0000-0x0000000002C67000-memory.dmp

          Filesize

          732KB

        • memory/2728-51-0x0000000002BB0000-0x0000000002C67000-memory.dmp

          Filesize

          732KB

        • memory/2728-49-0x0000000002BB0000-0x0000000002C67000-memory.dmp

          Filesize

          732KB

        • memory/2728-50-0x0000000002BB0000-0x0000000002C67000-memory.dmp

          Filesize

          732KB

        • memory/2728-48-0x0000000002BB0000-0x0000000002C67000-memory.dmp

          Filesize

          732KB

        • memory/2728-47-0x0000000002BB0000-0x0000000002C67000-memory.dmp

          Filesize

          732KB

        • memory/2728-46-0x0000000002BB0000-0x0000000002C67000-memory.dmp

          Filesize

          732KB

        • memory/2728-45-0x0000000002BB0000-0x0000000002C67000-memory.dmp

          Filesize

          732KB

        • memory/2728-44-0x0000000002BB0000-0x0000000002C67000-memory.dmp

          Filesize

          732KB

        • memory/2728-43-0x0000000002BB0000-0x0000000002C67000-memory.dmp

          Filesize

          732KB

        • memory/2728-42-0x0000000002BB0000-0x0000000002C67000-memory.dmp

          Filesize

          732KB

        • memory/2728-41-0x0000000002BB0000-0x0000000002C67000-memory.dmp

          Filesize

          732KB

        • memory/2728-40-0x0000000002BB0000-0x0000000002C67000-memory.dmp

          Filesize

          732KB

        • memory/2728-39-0x0000000002BB0000-0x0000000002C67000-memory.dmp

          Filesize

          732KB

        • memory/2728-38-0x0000000002BB0000-0x0000000002C67000-memory.dmp

          Filesize

          732KB

        • memory/2728-37-0x0000000002BB0000-0x0000000002C67000-memory.dmp

          Filesize

          732KB

        • memory/2728-36-0x0000000002BB0000-0x0000000002C67000-memory.dmp

          Filesize

          732KB

        • memory/2728-35-0x0000000002BB0000-0x0000000002C67000-memory.dmp

          Filesize

          732KB

        • memory/2728-34-0x0000000002BB0000-0x0000000002C67000-memory.dmp

          Filesize

          732KB

        • memory/2728-32-0x0000000002BB0000-0x0000000002C67000-memory.dmp

          Filesize

          732KB

        • memory/2728-31-0x0000000002BB0000-0x0000000002C67000-memory.dmp

          Filesize

          732KB

        • memory/2728-30-0x0000000002BB0000-0x0000000002C67000-memory.dmp

          Filesize

          732KB

        • memory/2728-29-0x0000000002BB0000-0x0000000002C67000-memory.dmp

          Filesize

          732KB

        • memory/2728-28-0x0000000002BB0000-0x0000000002C67000-memory.dmp

          Filesize

          732KB

        • memory/2728-81-0x0000000002BB0000-0x0000000002C67000-memory.dmp

          Filesize

          732KB

        • memory/2728-65-0x0000000002BB0000-0x0000000002C67000-memory.dmp

          Filesize

          732KB

        • memory/2728-33-0x0000000002BB0000-0x0000000002C67000-memory.dmp

          Filesize

          732KB

        • memory/2728-27-0x0000000002BB0000-0x0000000002C67000-memory.dmp

          Filesize

          732KB