Analysis

  • max time kernel
    140s
  • max time network
    144s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-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
  • Loads dropped DLL 2 IoCs
  • Modifies WinLogon 2 TTPs 1 IoCs
  • Drops file in Program Files directory 8 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 1 IoCs
  • Suspicious behavior: RenamesItself 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 4 IoCs
  • Suspicious use of WriteProcessMemory 4 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\c2980f3c76e402749cc1d74df109e6ee3409fe80a3ebf9a3a7f00deefd88c0aa.exe
    "C:\Users\Admin\AppData\Local\Temp\c2980f3c76e402749cc1d74df109e6ee3409fe80a3ebf9a3a7f00deefd88c0aa.exe"
    1⤵
    • Loads dropped DLL
    • 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:1860
    • 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:2332

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        • C:\Windows\AppPatch\svchost.exe

          Filesize

          211KB

          MD5

          b714fbf1b31ed57d1f9adb24a23bddc6

          SHA1

          bb206e7a40e43b353615515cc3acf76d06b393e3

          SHA256

          7106482fc743031b332399594f171e10779fb96a1316d07ba9f83c3977e7b4e4

          SHA512

          62e06117241a58e0ae449d73ffeb14fc43030f121200246f4097e9929becd8cb42e2620a72bc96a1664f064fe1da7b2d269c296d5a8fd92f36896ad34418e97c

        • memory/1860-1-0x0000000000290000-0x00000000002E2000-memory.dmp

          Filesize

          328KB

        • memory/1860-0-0x0000000000400000-0x0000000000492000-memory.dmp

          Filesize

          584KB

        • memory/1860-2-0x0000000000400000-0x000000000045F000-memory.dmp

          Filesize

          380KB

        • memory/1860-22-0x0000000000400000-0x000000000045F000-memory.dmp

          Filesize

          380KB

        • memory/1860-21-0x0000000000290000-0x00000000002E2000-memory.dmp

          Filesize

          328KB

        • memory/1860-20-0x0000000000400000-0x0000000000492000-memory.dmp

          Filesize

          584KB

        • memory/2332-18-0x0000000000400000-0x0000000000492000-memory.dmp

          Filesize

          584KB

        • memory/2332-19-0x0000000000400000-0x0000000000492000-memory.dmp

          Filesize

          584KB

        • memory/2332-23-0x0000000000400000-0x0000000000492000-memory.dmp

          Filesize

          584KB

        • memory/2332-24-0x00000000004A0000-0x000000000054A000-memory.dmp

          Filesize

          680KB

        • memory/2332-32-0x00000000004A0000-0x000000000054A000-memory.dmp

          Filesize

          680KB

        • memory/2332-34-0x00000000004A0000-0x000000000054A000-memory.dmp

          Filesize

          680KB

        • memory/2332-30-0x00000000004A0000-0x000000000054A000-memory.dmp

          Filesize

          680KB

        • memory/2332-35-0x0000000000400000-0x0000000000492000-memory.dmp

          Filesize

          584KB

        • memory/2332-28-0x00000000004A0000-0x000000000054A000-memory.dmp

          Filesize

          680KB

        • memory/2332-26-0x00000000004A0000-0x000000000054A000-memory.dmp

          Filesize

          680KB

        • memory/2332-36-0x00000000027F0000-0x00000000028A7000-memory.dmp

          Filesize

          732KB

        • memory/2332-38-0x00000000027F0000-0x00000000028A7000-memory.dmp

          Filesize

          732KB

        • memory/2332-40-0x00000000027F0000-0x00000000028A7000-memory.dmp

          Filesize

          732KB

        • memory/2332-45-0x00000000027F0000-0x00000000028A7000-memory.dmp

          Filesize

          732KB

        • memory/2332-49-0x00000000027F0000-0x00000000028A7000-memory.dmp

          Filesize

          732KB

        • memory/2332-86-0x00000000027F0000-0x00000000028A7000-memory.dmp

          Filesize

          732KB

        • memory/2332-85-0x00000000027F0000-0x00000000028A7000-memory.dmp

          Filesize

          732KB

        • memory/2332-84-0x00000000027F0000-0x00000000028A7000-memory.dmp

          Filesize

          732KB

        • memory/2332-83-0x00000000027F0000-0x00000000028A7000-memory.dmp

          Filesize

          732KB

        • memory/2332-82-0x00000000027F0000-0x00000000028A7000-memory.dmp

          Filesize

          732KB

        • memory/2332-81-0x00000000027F0000-0x00000000028A7000-memory.dmp

          Filesize

          732KB

        • memory/2332-80-0x00000000027F0000-0x00000000028A7000-memory.dmp

          Filesize

          732KB

        • memory/2332-78-0x00000000027F0000-0x00000000028A7000-memory.dmp

          Filesize

          732KB

        • memory/2332-77-0x00000000027F0000-0x00000000028A7000-memory.dmp

          Filesize

          732KB

        • memory/2332-76-0x00000000027F0000-0x00000000028A7000-memory.dmp

          Filesize

          732KB

        • memory/2332-75-0x00000000027F0000-0x00000000028A7000-memory.dmp

          Filesize

          732KB

        • memory/2332-74-0x00000000027F0000-0x00000000028A7000-memory.dmp

          Filesize

          732KB

        • memory/2332-73-0x00000000027F0000-0x00000000028A7000-memory.dmp

          Filesize

          732KB

        • memory/2332-72-0x00000000027F0000-0x00000000028A7000-memory.dmp

          Filesize

          732KB

        • memory/2332-71-0x00000000027F0000-0x00000000028A7000-memory.dmp

          Filesize

          732KB

        • memory/2332-70-0x00000000027F0000-0x00000000028A7000-memory.dmp

          Filesize

          732KB

        • memory/2332-69-0x00000000027F0000-0x00000000028A7000-memory.dmp

          Filesize

          732KB

        • memory/2332-68-0x00000000027F0000-0x00000000028A7000-memory.dmp

          Filesize

          732KB

        • memory/2332-67-0x00000000027F0000-0x00000000028A7000-memory.dmp

          Filesize

          732KB

        • memory/2332-66-0x00000000027F0000-0x00000000028A7000-memory.dmp

          Filesize

          732KB

        • memory/2332-65-0x00000000027F0000-0x00000000028A7000-memory.dmp

          Filesize

          732KB

        • memory/2332-63-0x00000000027F0000-0x00000000028A7000-memory.dmp

          Filesize

          732KB

        • memory/2332-62-0x00000000027F0000-0x00000000028A7000-memory.dmp

          Filesize

          732KB

        • memory/2332-61-0x00000000027F0000-0x00000000028A7000-memory.dmp

          Filesize

          732KB

        • memory/2332-60-0x00000000027F0000-0x00000000028A7000-memory.dmp

          Filesize

          732KB

        • memory/2332-59-0x00000000027F0000-0x00000000028A7000-memory.dmp

          Filesize

          732KB

        • memory/2332-58-0x00000000027F0000-0x00000000028A7000-memory.dmp

          Filesize

          732KB

        • memory/2332-57-0x00000000027F0000-0x00000000028A7000-memory.dmp

          Filesize

          732KB

        • memory/2332-56-0x00000000027F0000-0x00000000028A7000-memory.dmp

          Filesize

          732KB

        • memory/2332-55-0x00000000027F0000-0x00000000028A7000-memory.dmp

          Filesize

          732KB

        • memory/2332-54-0x00000000027F0000-0x00000000028A7000-memory.dmp

          Filesize

          732KB

        • memory/2332-53-0x00000000027F0000-0x00000000028A7000-memory.dmp

          Filesize

          732KB

        • memory/2332-51-0x00000000027F0000-0x00000000028A7000-memory.dmp

          Filesize

          732KB

        • memory/2332-50-0x00000000027F0000-0x00000000028A7000-memory.dmp

          Filesize

          732KB

        • memory/2332-48-0x00000000027F0000-0x00000000028A7000-memory.dmp

          Filesize

          732KB

        • memory/2332-47-0x00000000027F0000-0x00000000028A7000-memory.dmp

          Filesize

          732KB

        • memory/2332-79-0x00000000027F0000-0x00000000028A7000-memory.dmp

          Filesize

          732KB

        • memory/2332-46-0x00000000027F0000-0x00000000028A7000-memory.dmp

          Filesize

          732KB

        • memory/2332-44-0x00000000027F0000-0x00000000028A7000-memory.dmp

          Filesize

          732KB

        • memory/2332-64-0x00000000027F0000-0x00000000028A7000-memory.dmp

          Filesize

          732KB

        • memory/2332-43-0x00000000027F0000-0x00000000028A7000-memory.dmp

          Filesize

          732KB

        • memory/2332-52-0x00000000027F0000-0x00000000028A7000-memory.dmp

          Filesize

          732KB

        • memory/2332-42-0x00000000027F0000-0x00000000028A7000-memory.dmp

          Filesize

          732KB