Analysis

  • max time kernel
    111s
  • 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, 16:42

General

  • Target

    606e0cc3125a445360f1be97b5591f0b2360f7fd48f5373ce334e83553a49d0eN.exe

  • Size

    217KB

  • MD5

    cb186b0925f17efe5b2dba9524fda180

  • SHA1

    0098354a8f9e48e0ce45bb7e75982932cc7078b1

  • SHA256

    606e0cc3125a445360f1be97b5591f0b2360f7fd48f5373ce334e83553a49d0e

  • SHA512

    f5db5bf5c2c72349846ceabdb1328d88250bd5f5c075a3933a0069f41c8fd850bad37d29b1d01f117165a3dce0910728f2c48e607708c86769936a131a6ebd21

  • SSDEEP

    6144:ArRaTyDOnlo7eM+mlkWgRXOqobzWjozm2ulYM6Y:SsTbzu1glovW4EH6Y

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

    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\606e0cc3125a445360f1be97b5591f0b2360f7fd48f5373ce334e83553a49d0eN.exe
    "C:\Users\Admin\AppData\Local\Temp\606e0cc3125a445360f1be97b5591f0b2360f7fd48f5373ce334e83553a49d0eN.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:4108
    • 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:3180

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        • C:\Users\Admin\AppData\Local\Temp\9799.tmp

          Filesize

          42KB

          MD5

          218191c29578d37a50c0c766ab5b57e3

          SHA1

          8333e7d0ff5371f96454645533d12cd2a24dfe63

          SHA256

          c3b5bb0200cfd8dfb9d38d5b4fdd659853a60ae38b26cc1ab70188ff8df360b9

          SHA512

          ceae42abbe879176c5c72eb8f0e49ec6ee243299f930ab436720af00a6f2a58f5b101c55decff805996d9daa613aa569114bebecc3c48182877f3493f5ab4519

        • C:\Windows\apppatch\svchost.exe

          Filesize

          217KB

          MD5

          0fa639eda1f3343da06c0a2eb5550d58

          SHA1

          526dc5ec8b309aecc183bd1bec39c1fa4acc0439

          SHA256

          63deeb6c512af6464f7ba302c9aa1078c104d5595cd0e5c464ae9d7ccd153116

          SHA512

          67efdb680582cba46cd02fcc542cd027482cdabdc5f1fe1aa541ab2138384d5d43084add94bc9a609abcd6c04b196d34e4e63cf546f7241028b6fceca30ec864

        • memory/3180-79-0x0000000002D00000-0x0000000002DB6000-memory.dmp

          Filesize

          728KB

        • memory/3180-75-0x0000000002D00000-0x0000000002DB6000-memory.dmp

          Filesize

          728KB

        • memory/3180-18-0x00000000028A0000-0x0000000002948000-memory.dmp

          Filesize

          672KB

        • memory/3180-13-0x0000000000400000-0x0000000000589000-memory.dmp

          Filesize

          1.5MB

        • memory/3180-43-0x0000000002D00000-0x0000000002DB6000-memory.dmp

          Filesize

          728KB

        • memory/3180-42-0x0000000002D00000-0x0000000002DB6000-memory.dmp

          Filesize

          728KB

        • memory/3180-19-0x0000000000400000-0x0000000000589000-memory.dmp

          Filesize

          1.5MB

        • memory/3180-20-0x0000000002D00000-0x0000000002DB6000-memory.dmp

          Filesize

          728KB

        • memory/3180-24-0x0000000002D00000-0x0000000002DB6000-memory.dmp

          Filesize

          728KB

        • memory/3180-22-0x0000000002D00000-0x0000000002DB6000-memory.dmp

          Filesize

          728KB

        • memory/3180-25-0x0000000002D00000-0x0000000002DB6000-memory.dmp

          Filesize

          728KB

        • memory/3180-27-0x0000000002D00000-0x0000000002DB6000-memory.dmp

          Filesize

          728KB

        • memory/3180-28-0x0000000002D00000-0x0000000002DB6000-memory.dmp

          Filesize

          728KB

        • memory/3180-26-0x0000000002D00000-0x0000000002DB6000-memory.dmp

          Filesize

          728KB

        • memory/3180-77-0x0000000002D00000-0x0000000002DB6000-memory.dmp

          Filesize

          728KB

        • memory/3180-74-0x0000000002D00000-0x0000000002DB6000-memory.dmp

          Filesize

          728KB

        • memory/3180-63-0x0000000002D00000-0x0000000002DB6000-memory.dmp

          Filesize

          728KB

        • memory/3180-46-0x0000000002D00000-0x0000000002DB6000-memory.dmp

          Filesize

          728KB

        • memory/3180-44-0x0000000002D00000-0x0000000002DB6000-memory.dmp

          Filesize

          728KB

        • memory/3180-30-0x0000000002D00000-0x0000000002DB6000-memory.dmp

          Filesize

          728KB

        • memory/3180-41-0x0000000002D00000-0x0000000002DB6000-memory.dmp

          Filesize

          728KB

        • memory/3180-40-0x0000000002D00000-0x0000000002DB6000-memory.dmp

          Filesize

          728KB

        • memory/3180-39-0x0000000002D00000-0x0000000002DB6000-memory.dmp

          Filesize

          728KB

        • memory/3180-38-0x0000000002D00000-0x0000000002DB6000-memory.dmp

          Filesize

          728KB

        • memory/3180-37-0x0000000002D00000-0x0000000002DB6000-memory.dmp

          Filesize

          728KB

        • memory/3180-36-0x0000000002D00000-0x0000000002DB6000-memory.dmp

          Filesize

          728KB

        • memory/3180-35-0x0000000002D00000-0x0000000002DB6000-memory.dmp

          Filesize

          728KB

        • memory/3180-34-0x0000000002D00000-0x0000000002DB6000-memory.dmp

          Filesize

          728KB

        • memory/3180-33-0x0000000002D00000-0x0000000002DB6000-memory.dmp

          Filesize

          728KB

        • memory/3180-32-0x0000000002D00000-0x0000000002DB6000-memory.dmp

          Filesize

          728KB

        • memory/3180-31-0x0000000002D00000-0x0000000002DB6000-memory.dmp

          Filesize

          728KB

        • memory/3180-29-0x0000000002D00000-0x0000000002DB6000-memory.dmp

          Filesize

          728KB

        • memory/3180-16-0x0000000000400000-0x0000000000589000-memory.dmp

          Filesize

          1.5MB

        • memory/3180-73-0x0000000002D00000-0x0000000002DB6000-memory.dmp

          Filesize

          728KB

        • memory/3180-17-0x0000000000400000-0x0000000000589000-memory.dmp

          Filesize

          1.5MB

        • memory/3180-76-0x0000000002D00000-0x0000000002DB6000-memory.dmp

          Filesize

          728KB

        • memory/3180-78-0x0000000002D00000-0x0000000002DB6000-memory.dmp

          Filesize

          728KB

        • memory/3180-72-0x0000000002D00000-0x0000000002DB6000-memory.dmp

          Filesize

          728KB

        • memory/3180-71-0x0000000002D00000-0x0000000002DB6000-memory.dmp

          Filesize

          728KB

        • memory/3180-70-0x0000000002D00000-0x0000000002DB6000-memory.dmp

          Filesize

          728KB

        • memory/3180-69-0x0000000002D00000-0x0000000002DB6000-memory.dmp

          Filesize

          728KB

        • memory/3180-68-0x0000000002D00000-0x0000000002DB6000-memory.dmp

          Filesize

          728KB

        • memory/3180-67-0x0000000002D00000-0x0000000002DB6000-memory.dmp

          Filesize

          728KB

        • memory/3180-66-0x0000000002D00000-0x0000000002DB6000-memory.dmp

          Filesize

          728KB

        • memory/3180-65-0x0000000002D00000-0x0000000002DB6000-memory.dmp

          Filesize

          728KB

        • memory/3180-64-0x0000000002D00000-0x0000000002DB6000-memory.dmp

          Filesize

          728KB

        • memory/3180-62-0x0000000002D00000-0x0000000002DB6000-memory.dmp

          Filesize

          728KB

        • memory/3180-61-0x0000000002D00000-0x0000000002DB6000-memory.dmp

          Filesize

          728KB

        • memory/3180-60-0x0000000002D00000-0x0000000002DB6000-memory.dmp

          Filesize

          728KB

        • memory/3180-59-0x0000000002D00000-0x0000000002DB6000-memory.dmp

          Filesize

          728KB

        • memory/3180-58-0x0000000002D00000-0x0000000002DB6000-memory.dmp

          Filesize

          728KB

        • memory/3180-57-0x0000000002D00000-0x0000000002DB6000-memory.dmp

          Filesize

          728KB

        • memory/3180-56-0x0000000002D00000-0x0000000002DB6000-memory.dmp

          Filesize

          728KB

        • memory/3180-55-0x0000000002D00000-0x0000000002DB6000-memory.dmp

          Filesize

          728KB

        • memory/3180-54-0x0000000002D00000-0x0000000002DB6000-memory.dmp

          Filesize

          728KB

        • memory/3180-53-0x0000000002D00000-0x0000000002DB6000-memory.dmp

          Filesize

          728KB

        • memory/3180-52-0x0000000002D00000-0x0000000002DB6000-memory.dmp

          Filesize

          728KB

        • memory/3180-51-0x0000000002D00000-0x0000000002DB6000-memory.dmp

          Filesize

          728KB

        • memory/3180-50-0x0000000002D00000-0x0000000002DB6000-memory.dmp

          Filesize

          728KB

        • memory/3180-49-0x0000000002D00000-0x0000000002DB6000-memory.dmp

          Filesize

          728KB

        • memory/3180-48-0x0000000002D00000-0x0000000002DB6000-memory.dmp

          Filesize

          728KB

        • memory/3180-47-0x0000000002D00000-0x0000000002DB6000-memory.dmp

          Filesize

          728KB

        • memory/3180-45-0x0000000002D00000-0x0000000002DB6000-memory.dmp

          Filesize

          728KB

        • memory/4108-2-0x0000000000400000-0x000000000045F000-memory.dmp

          Filesize

          380KB

        • memory/4108-1-0x0000000002350000-0x00000000023A1000-memory.dmp

          Filesize

          324KB

        • memory/4108-0-0x0000000000400000-0x0000000000589000-memory.dmp

          Filesize

          1.5MB

        • memory/4108-15-0x0000000000400000-0x000000000045F000-memory.dmp

          Filesize

          380KB

        • memory/4108-14-0x0000000002350000-0x00000000023A1000-memory.dmp

          Filesize

          324KB

        • memory/4108-12-0x0000000000400000-0x0000000000589000-memory.dmp

          Filesize

          1.5MB