Analysis

  • max time kernel
    120s
  • max time network
    119s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    19/09/2024, 11:50

General

  • Target

    eed33bec73b9ad7d23e732d3ad847e7124d35936d47fc3693890feec09480c72N.exe

  • Size

    227KB

  • MD5

    dc2db3f7821041f82123848a3eb653e0

  • SHA1

    da17aaa90240939c531ae35b87e9abfdba6d00f2

  • SHA256

    eed33bec73b9ad7d23e732d3ad847e7124d35936d47fc3693890feec09480c72

  • SHA512

    3ba31b1b82a1b9f90fd67b0715896d206f0414272534e0dd046aa0743891f5fa8f0831c02b96ced1727033e5378eb64e56425387acad16c0562eac547d7e459a

  • SSDEEP

    6144:cpcxlKhSGoqTecGy9+hAu7//QnSrMhcZEpy:cy8hbTiyqA4QnSQhcZ8y

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 7 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\eed33bec73b9ad7d23e732d3ad847e7124d35936d47fc3693890feec09480c72N.exe
    "C:\Users\Admin\AppData\Local\Temp\eed33bec73b9ad7d23e732d3ad847e7124d35936d47fc3693890feec09480c72N.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:3400
    • 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:4764

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

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        Downloads

        • C:\Windows\apppatch\svchost.exe

          Filesize

          227KB

          MD5

          6f2de013061f2d07776f440aecf1094a

          SHA1

          f7e0723167793c6643a9538e854c00540d7f3b5d

          SHA256

          03a766f4ab5f33960fa21bfb0ddc5470f82717292b7cc3f3d0f3a138baacc2a5

          SHA512

          fa2cf43924dcbe11295e9f665a87195bd0aadd1c6be93a0e5f3390346a52847bd8ee8148806027d22311f22221f6c4b8ebfb24f89459028ae877d7b2a1a343c2

        • memory/3400-0-0x0000000000400000-0x0000000000465000-memory.dmp

          Filesize

          404KB

        • memory/3400-1-0x0000000000610000-0x0000000000613000-memory.dmp

          Filesize

          12KB

        • memory/3400-2-0x0000000000400000-0x000000000045F000-memory.dmp

          Filesize

          380KB

        • memory/3400-19-0x0000000000400000-0x000000000045F000-memory.dmp

          Filesize

          380KB

        • memory/3400-18-0x0000000000610000-0x0000000000613000-memory.dmp

          Filesize

          12KB

        • memory/3400-17-0x0000000000400000-0x0000000000465000-memory.dmp

          Filesize

          404KB

        • memory/4764-13-0x0000000000400000-0x0000000000465000-memory.dmp

          Filesize

          404KB

        • memory/4764-15-0x0000000000400000-0x0000000000465000-memory.dmp

          Filesize

          404KB

        • memory/4764-20-0x0000000000400000-0x0000000000465000-memory.dmp

          Filesize

          404KB

        • memory/4764-21-0x0000000002A00000-0x0000000002AAA000-memory.dmp

          Filesize

          680KB

        • memory/4764-22-0x0000000000400000-0x0000000000465000-memory.dmp

          Filesize

          404KB

        • memory/4764-23-0x0000000002BB0000-0x0000000002C67000-memory.dmp

          Filesize

          732KB

        • memory/4764-25-0x0000000002BB0000-0x0000000002C67000-memory.dmp

          Filesize

          732KB

        • memory/4764-27-0x0000000002BB0000-0x0000000002C67000-memory.dmp

          Filesize

          732KB

        • memory/4764-35-0x0000000002BB0000-0x0000000002C67000-memory.dmp

          Filesize

          732KB

        • memory/4764-38-0x0000000002BB0000-0x0000000002C67000-memory.dmp

          Filesize

          732KB

        • memory/4764-84-0x0000000002BB0000-0x0000000002C67000-memory.dmp

          Filesize

          732KB

        • memory/4764-83-0x0000000002BB0000-0x0000000002C67000-memory.dmp

          Filesize

          732KB

        • memory/4764-81-0x0000000002BB0000-0x0000000002C67000-memory.dmp

          Filesize

          732KB

        • memory/4764-80-0x0000000002BB0000-0x0000000002C67000-memory.dmp

          Filesize

          732KB

        • memory/4764-79-0x0000000002BB0000-0x0000000002C67000-memory.dmp

          Filesize

          732KB

        • memory/4764-78-0x0000000002BB0000-0x0000000002C67000-memory.dmp

          Filesize

          732KB

        • memory/4764-77-0x0000000002BB0000-0x0000000002C67000-memory.dmp

          Filesize

          732KB

        • memory/4764-76-0x0000000002BB0000-0x0000000002C67000-memory.dmp

          Filesize

          732KB

        • memory/4764-75-0x0000000002BB0000-0x0000000002C67000-memory.dmp

          Filesize

          732KB

        • memory/4764-74-0x0000000002BB0000-0x0000000002C67000-memory.dmp

          Filesize

          732KB

        • memory/4764-73-0x0000000002BB0000-0x0000000002C67000-memory.dmp

          Filesize

          732KB

        • memory/4764-72-0x0000000002BB0000-0x0000000002C67000-memory.dmp

          Filesize

          732KB

        • memory/4764-71-0x0000000002BB0000-0x0000000002C67000-memory.dmp

          Filesize

          732KB

        • memory/4764-70-0x0000000002BB0000-0x0000000002C67000-memory.dmp

          Filesize

          732KB

        • memory/4764-69-0x0000000002BB0000-0x0000000002C67000-memory.dmp

          Filesize

          732KB

        • memory/4764-68-0x0000000002BB0000-0x0000000002C67000-memory.dmp

          Filesize

          732KB

        • memory/4764-66-0x0000000002BB0000-0x0000000002C67000-memory.dmp

          Filesize

          732KB

        • memory/4764-65-0x0000000002BB0000-0x0000000002C67000-memory.dmp

          Filesize

          732KB

        • memory/4764-64-0x0000000002BB0000-0x0000000002C67000-memory.dmp

          Filesize

          732KB

        • memory/4764-63-0x0000000002BB0000-0x0000000002C67000-memory.dmp

          Filesize

          732KB

        • memory/4764-62-0x0000000002BB0000-0x0000000002C67000-memory.dmp

          Filesize

          732KB

        • memory/4764-61-0x0000000002BB0000-0x0000000002C67000-memory.dmp

          Filesize

          732KB

        • memory/4764-60-0x0000000002BB0000-0x0000000002C67000-memory.dmp

          Filesize

          732KB

        • memory/4764-59-0x0000000002BB0000-0x0000000002C67000-memory.dmp

          Filesize

          732KB

        • memory/4764-58-0x0000000002BB0000-0x0000000002C67000-memory.dmp

          Filesize

          732KB

        • memory/4764-57-0x0000000002BB0000-0x0000000002C67000-memory.dmp

          Filesize

          732KB

        • memory/4764-56-0x0000000002BB0000-0x0000000002C67000-memory.dmp

          Filesize

          732KB

        • memory/4764-55-0x0000000002BB0000-0x0000000002C67000-memory.dmp

          Filesize

          732KB

        • memory/4764-54-0x0000000002BB0000-0x0000000002C67000-memory.dmp

          Filesize

          732KB

        • memory/4764-52-0x0000000002BB0000-0x0000000002C67000-memory.dmp

          Filesize

          732KB

        • memory/4764-50-0x0000000002BB0000-0x0000000002C67000-memory.dmp

          Filesize

          732KB

        • memory/4764-51-0x0000000002BB0000-0x0000000002C67000-memory.dmp

          Filesize

          732KB

        • memory/4764-49-0x0000000002BB0000-0x0000000002C67000-memory.dmp

          Filesize

          732KB

        • memory/4764-48-0x0000000002BB0000-0x0000000002C67000-memory.dmp

          Filesize

          732KB

        • memory/4764-47-0x0000000002BB0000-0x0000000002C67000-memory.dmp

          Filesize

          732KB

        • memory/4764-46-0x0000000002BB0000-0x0000000002C67000-memory.dmp

          Filesize

          732KB

        • memory/4764-45-0x0000000002BB0000-0x0000000002C67000-memory.dmp

          Filesize

          732KB

        • memory/4764-43-0x0000000002BB0000-0x0000000002C67000-memory.dmp

          Filesize

          732KB

        • memory/4764-42-0x0000000002BB0000-0x0000000002C67000-memory.dmp

          Filesize

          732KB

        • memory/4764-41-0x0000000002BB0000-0x0000000002C67000-memory.dmp

          Filesize

          732KB

        • memory/4764-40-0x0000000002BB0000-0x0000000002C67000-memory.dmp

          Filesize

          732KB

        • memory/4764-39-0x0000000002BB0000-0x0000000002C67000-memory.dmp

          Filesize

          732KB

        • memory/4764-37-0x0000000002BB0000-0x0000000002C67000-memory.dmp

          Filesize

          732KB

        • memory/4764-36-0x0000000002BB0000-0x0000000002C67000-memory.dmp

          Filesize

          732KB

        • memory/4764-34-0x0000000002BB0000-0x0000000002C67000-memory.dmp

          Filesize

          732KB

        • memory/4764-32-0x0000000002BB0000-0x0000000002C67000-memory.dmp

          Filesize

          732KB

        • memory/4764-33-0x0000000002BB0000-0x0000000002C67000-memory.dmp

          Filesize

          732KB

        • memory/4764-31-0x0000000002BB0000-0x0000000002C67000-memory.dmp

          Filesize

          732KB

        • memory/4764-30-0x0000000002BB0000-0x0000000002C67000-memory.dmp

          Filesize

          732KB

        • memory/4764-29-0x0000000002BB0000-0x0000000002C67000-memory.dmp

          Filesize

          732KB

        • memory/4764-82-0x0000000002BB0000-0x0000000002C67000-memory.dmp

          Filesize

          732KB

        • memory/4764-67-0x0000000002BB0000-0x0000000002C67000-memory.dmp

          Filesize

          732KB

        • memory/4764-53-0x0000000002BB0000-0x0000000002C67000-memory.dmp

          Filesize

          732KB

        • memory/4764-44-0x0000000002BB0000-0x0000000002C67000-memory.dmp

          Filesize

          732KB

        • memory/4764-28-0x0000000002BB0000-0x0000000002C67000-memory.dmp

          Filesize

          732KB