Analysis

  • max time kernel
    118s
  • max time network
    119s
  • platform
    windows7_x64
  • resource
    win7-20240708-en
  • resource tags

    arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-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
  • Loads dropped DLL 2 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 4 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\606e0cc3125a445360f1be97b5591f0b2360f7fd48f5373ce334e83553a49d0eN.exe
    "C:\Users\Admin\AppData\Local\Temp\606e0cc3125a445360f1be97b5591f0b2360f7fd48f5373ce334e83553a49d0eN.exe"
    1⤵
    • Loads dropped DLL
    • Modifies WinLogon
    • Drops file in Windows directory
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious behavior: RenamesItself
    • Suspicious use of WriteProcessMemory
    PID:2204
    • 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:2364

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        • C:\Windows\AppPatch\svchost.exe

          Filesize

          217KB

          MD5

          487605a14a14ec02a8d1d94d92275438

          SHA1

          f1045d2b6ab3ff790e2fdccaf5b951f4ffe5cca7

          SHA256

          f61c6b3357cd14c60e47464597a0e2f56f1cd064afb7c655cce9dbe2d0048fda

          SHA512

          05661e3fb608a7b93b1c0d22e4f880ff234e213eb8c9e0ab822837082e0089bea49192e18ae5386b9663b8f1b05334b9bd75707514446cd02344a11498d50351

        • memory/2204-1-0x0000000000590000-0x00000000005E1000-memory.dmp

          Filesize

          324KB

        • memory/2204-0-0x0000000000400000-0x0000000000589000-memory.dmp

          Filesize

          1.5MB

        • memory/2204-2-0x0000000000400000-0x000000000045F000-memory.dmp

          Filesize

          380KB

        • memory/2204-17-0x0000000000400000-0x000000000045F000-memory.dmp

          Filesize

          380KB

        • memory/2204-16-0x0000000000590000-0x00000000005E1000-memory.dmp

          Filesize

          324KB

        • memory/2204-15-0x0000000000400000-0x0000000000589000-memory.dmp

          Filesize

          1.5MB

        • memory/2364-19-0x0000000000400000-0x0000000000589000-memory.dmp

          Filesize

          1.5MB

        • memory/2364-20-0x0000000000400000-0x0000000000589000-memory.dmp

          Filesize

          1.5MB

        • memory/2364-21-0x0000000000400000-0x0000000000589000-memory.dmp

          Filesize

          1.5MB

        • memory/2364-26-0x0000000002410000-0x00000000024B8000-memory.dmp

          Filesize

          672KB

        • memory/2364-32-0x0000000002410000-0x00000000024B8000-memory.dmp

          Filesize

          672KB

        • memory/2364-30-0x0000000002410000-0x00000000024B8000-memory.dmp

          Filesize

          672KB

        • memory/2364-33-0x0000000000400000-0x0000000000589000-memory.dmp

          Filesize

          1.5MB

        • memory/2364-28-0x0000000002410000-0x00000000024B8000-memory.dmp

          Filesize

          672KB

        • memory/2364-24-0x0000000002410000-0x00000000024B8000-memory.dmp

          Filesize

          672KB

        • memory/2364-22-0x0000000002410000-0x00000000024B8000-memory.dmp

          Filesize

          672KB

        • memory/2364-34-0x00000000025C0000-0x0000000002676000-memory.dmp

          Filesize

          728KB

        • memory/2364-38-0x00000000025C0000-0x0000000002676000-memory.dmp

          Filesize

          728KB

        • memory/2364-36-0x00000000025C0000-0x0000000002676000-memory.dmp

          Filesize

          728KB

        • memory/2364-45-0x00000000025C0000-0x0000000002676000-memory.dmp

          Filesize

          728KB

        • memory/2364-48-0x00000000025C0000-0x0000000002676000-memory.dmp

          Filesize

          728KB

        • memory/2364-84-0x00000000025C0000-0x0000000002676000-memory.dmp

          Filesize

          728KB

        • memory/2364-83-0x00000000025C0000-0x0000000002676000-memory.dmp

          Filesize

          728KB

        • memory/2364-82-0x00000000025C0000-0x0000000002676000-memory.dmp

          Filesize

          728KB

        • memory/2364-81-0x00000000025C0000-0x0000000002676000-memory.dmp

          Filesize

          728KB

        • memory/2364-79-0x00000000025C0000-0x0000000002676000-memory.dmp

          Filesize

          728KB

        • memory/2364-78-0x00000000025C0000-0x0000000002676000-memory.dmp

          Filesize

          728KB

        • memory/2364-77-0x00000000025C0000-0x0000000002676000-memory.dmp

          Filesize

          728KB

        • memory/2364-76-0x00000000025C0000-0x0000000002676000-memory.dmp

          Filesize

          728KB

        • memory/2364-75-0x00000000025C0000-0x0000000002676000-memory.dmp

          Filesize

          728KB

        • memory/2364-74-0x00000000025C0000-0x0000000002676000-memory.dmp

          Filesize

          728KB

        • memory/2364-73-0x00000000025C0000-0x0000000002676000-memory.dmp

          Filesize

          728KB

        • memory/2364-72-0x00000000025C0000-0x0000000002676000-memory.dmp

          Filesize

          728KB

        • memory/2364-71-0x00000000025C0000-0x0000000002676000-memory.dmp

          Filesize

          728KB

        • memory/2364-70-0x00000000025C0000-0x0000000002676000-memory.dmp

          Filesize

          728KB

        • memory/2364-69-0x00000000025C0000-0x0000000002676000-memory.dmp

          Filesize

          728KB

        • memory/2364-68-0x00000000025C0000-0x0000000002676000-memory.dmp

          Filesize

          728KB

        • memory/2364-67-0x00000000025C0000-0x0000000002676000-memory.dmp

          Filesize

          728KB

        • memory/2364-66-0x00000000025C0000-0x0000000002676000-memory.dmp

          Filesize

          728KB

        • memory/2364-65-0x00000000025C0000-0x0000000002676000-memory.dmp

          Filesize

          728KB

        • memory/2364-64-0x00000000025C0000-0x0000000002676000-memory.dmp

          Filesize

          728KB

        • memory/2364-63-0x00000000025C0000-0x0000000002676000-memory.dmp

          Filesize

          728KB

        • memory/2364-62-0x00000000025C0000-0x0000000002676000-memory.dmp

          Filesize

          728KB

        • memory/2364-61-0x00000000025C0000-0x0000000002676000-memory.dmp

          Filesize

          728KB

        • memory/2364-60-0x00000000025C0000-0x0000000002676000-memory.dmp

          Filesize

          728KB

        • memory/2364-59-0x00000000025C0000-0x0000000002676000-memory.dmp

          Filesize

          728KB

        • memory/2364-58-0x00000000025C0000-0x0000000002676000-memory.dmp

          Filesize

          728KB

        • memory/2364-56-0x00000000025C0000-0x0000000002676000-memory.dmp

          Filesize

          728KB

        • memory/2364-55-0x00000000025C0000-0x0000000002676000-memory.dmp

          Filesize

          728KB

        • memory/2364-54-0x00000000025C0000-0x0000000002676000-memory.dmp

          Filesize

          728KB

        • memory/2364-53-0x00000000025C0000-0x0000000002676000-memory.dmp

          Filesize

          728KB

        • memory/2364-52-0x00000000025C0000-0x0000000002676000-memory.dmp

          Filesize

          728KB

        • memory/2364-51-0x00000000025C0000-0x0000000002676000-memory.dmp

          Filesize

          728KB

        • memory/2364-50-0x00000000025C0000-0x0000000002676000-memory.dmp

          Filesize

          728KB

        • memory/2364-49-0x00000000025C0000-0x0000000002676000-memory.dmp

          Filesize

          728KB

        • memory/2364-47-0x00000000025C0000-0x0000000002676000-memory.dmp

          Filesize

          728KB

        • memory/2364-46-0x00000000025C0000-0x0000000002676000-memory.dmp

          Filesize

          728KB

        • memory/2364-80-0x00000000025C0000-0x0000000002676000-memory.dmp

          Filesize

          728KB

        • memory/2364-44-0x00000000025C0000-0x0000000002676000-memory.dmp

          Filesize

          728KB

        • memory/2364-43-0x00000000025C0000-0x0000000002676000-memory.dmp

          Filesize

          728KB

        • memory/2364-57-0x00000000025C0000-0x0000000002676000-memory.dmp

          Filesize

          728KB

        • memory/2364-41-0x00000000025C0000-0x0000000002676000-memory.dmp

          Filesize

          728KB

        • memory/2364-42-0x00000000025C0000-0x0000000002676000-memory.dmp

          Filesize

          728KB

        • memory/2364-40-0x00000000025C0000-0x0000000002676000-memory.dmp

          Filesize

          728KB