Analysis

  • max time kernel
    119s
  • max time network
    120s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    31-10-2024 07:26

General

  • Target

    01cd98f7e75dab215a938ab41e5b2d0bfc4f0653e066e528d00fc379debacaa6N.exe

  • Size

    355KB

  • MD5

    7260fe132b92f59f61202f61e3db48b0

  • SHA1

    c84412f49f4dee60ed5f4c40287957cd0ec0d5f2

  • SHA256

    01cd98f7e75dab215a938ab41e5b2d0bfc4f0653e066e528d00fc379debacaa6

  • SHA512

    4e68721003ba66876234cfe2c57caedb833948556de46cd9bb1e3fc2c38cd1a5f8d24031126f2b24d9a8b22db2acdb024fa7c14effbf7a63c116a6fe225966a2

  • SSDEEP

    6144:l3EmWPDNND9yRPzLq+YXFqaZiMLic9kzVd7EAC4TSs9EiS:KmWhND9yJz+b1FcMLmp2ATTSsdS

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 family
  • 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\01cd98f7e75dab215a938ab41e5b2d0bfc4f0653e066e528d00fc379debacaa6N.exe
    "C:\Users\Admin\AppData\Local\Temp\01cd98f7e75dab215a938ab41e5b2d0bfc4f0653e066e528d00fc379debacaa6N.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:2988
    • 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:2324

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • \Windows\AppPatch\svchost.exe

    Filesize

    355KB

    MD5

    26f63c425865a1a29127b930e8f72e1d

    SHA1

    8faad8deff25c0e4f5b954532f85087ba009de6a

    SHA256

    39dbed484154be1128a7c3edb118844c71af80fcdfa85f8ddba73e98e0113c4e

    SHA512

    ad94ac8fe4f5a4992e42ebe70460c503f32b12b33575123335dc848ae06de3f475d03e26bcf1c9d005a1e6deb554ffb962372753f1096ae5aa2b5c19e6ed2719

  • memory/2324-14-0x0000000000290000-0x0000000000338000-memory.dmp

    Filesize

    672KB

  • memory/2324-18-0x0000000000290000-0x0000000000338000-memory.dmp

    Filesize

    672KB

  • memory/2324-24-0x0000000000290000-0x0000000000338000-memory.dmp

    Filesize

    672KB

  • memory/2324-20-0x0000000000290000-0x0000000000338000-memory.dmp

    Filesize

    672KB

  • memory/2324-16-0x0000000000290000-0x0000000000338000-memory.dmp

    Filesize

    672KB

  • memory/2324-22-0x0000000000290000-0x0000000000338000-memory.dmp

    Filesize

    672KB

  • memory/2324-27-0x00000000023A0000-0x0000000002456000-memory.dmp

    Filesize

    728KB

  • memory/2324-29-0x00000000023A0000-0x0000000002456000-memory.dmp

    Filesize

    728KB

  • memory/2324-25-0x00000000023A0000-0x0000000002456000-memory.dmp

    Filesize

    728KB

  • memory/2324-35-0x00000000023A0000-0x0000000002456000-memory.dmp

    Filesize

    728KB

  • memory/2324-45-0x00000000023A0000-0x0000000002456000-memory.dmp

    Filesize

    728KB

  • memory/2324-77-0x00000000023A0000-0x0000000002456000-memory.dmp

    Filesize

    728KB

  • memory/2324-76-0x00000000023A0000-0x0000000002456000-memory.dmp

    Filesize

    728KB

  • memory/2324-75-0x00000000023A0000-0x0000000002456000-memory.dmp

    Filesize

    728KB

  • memory/2324-74-0x00000000023A0000-0x0000000002456000-memory.dmp

    Filesize

    728KB

  • memory/2324-73-0x00000000023A0000-0x0000000002456000-memory.dmp

    Filesize

    728KB

  • memory/2324-72-0x00000000023A0000-0x0000000002456000-memory.dmp

    Filesize

    728KB

  • memory/2324-71-0x00000000023A0000-0x0000000002456000-memory.dmp

    Filesize

    728KB

  • memory/2324-70-0x00000000023A0000-0x0000000002456000-memory.dmp

    Filesize

    728KB

  • memory/2324-68-0x00000000023A0000-0x0000000002456000-memory.dmp

    Filesize

    728KB

  • memory/2324-67-0x00000000023A0000-0x0000000002456000-memory.dmp

    Filesize

    728KB

  • memory/2324-66-0x00000000023A0000-0x0000000002456000-memory.dmp

    Filesize

    728KB

  • memory/2324-65-0x00000000023A0000-0x0000000002456000-memory.dmp

    Filesize

    728KB

  • memory/2324-64-0x00000000023A0000-0x0000000002456000-memory.dmp

    Filesize

    728KB

  • memory/2324-63-0x00000000023A0000-0x0000000002456000-memory.dmp

    Filesize

    728KB

  • memory/2324-62-0x00000000023A0000-0x0000000002456000-memory.dmp

    Filesize

    728KB

  • memory/2324-61-0x00000000023A0000-0x0000000002456000-memory.dmp

    Filesize

    728KB

  • memory/2324-60-0x00000000023A0000-0x0000000002456000-memory.dmp

    Filesize

    728KB

  • memory/2324-59-0x00000000023A0000-0x0000000002456000-memory.dmp

    Filesize

    728KB

  • memory/2324-58-0x00000000023A0000-0x0000000002456000-memory.dmp

    Filesize

    728KB

  • memory/2324-57-0x00000000023A0000-0x0000000002456000-memory.dmp

    Filesize

    728KB

  • memory/2324-55-0x00000000023A0000-0x0000000002456000-memory.dmp

    Filesize

    728KB

  • memory/2324-54-0x00000000023A0000-0x0000000002456000-memory.dmp

    Filesize

    728KB

  • memory/2324-53-0x00000000023A0000-0x0000000002456000-memory.dmp

    Filesize

    728KB

  • memory/2324-52-0x00000000023A0000-0x0000000002456000-memory.dmp

    Filesize

    728KB

  • memory/2324-51-0x00000000023A0000-0x0000000002456000-memory.dmp

    Filesize

    728KB

  • memory/2324-50-0x00000000023A0000-0x0000000002456000-memory.dmp

    Filesize

    728KB

  • memory/2324-49-0x00000000023A0000-0x0000000002456000-memory.dmp

    Filesize

    728KB

  • memory/2324-48-0x00000000023A0000-0x0000000002456000-memory.dmp

    Filesize

    728KB

  • memory/2324-47-0x00000000023A0000-0x0000000002456000-memory.dmp

    Filesize

    728KB

  • memory/2324-44-0x00000000023A0000-0x0000000002456000-memory.dmp

    Filesize

    728KB

  • memory/2324-43-0x00000000023A0000-0x0000000002456000-memory.dmp

    Filesize

    728KB

  • memory/2324-42-0x00000000023A0000-0x0000000002456000-memory.dmp

    Filesize

    728KB

  • memory/2324-69-0x00000000023A0000-0x0000000002456000-memory.dmp

    Filesize

    728KB

  • memory/2324-41-0x00000000023A0000-0x0000000002456000-memory.dmp

    Filesize

    728KB

  • memory/2324-40-0x00000000023A0000-0x0000000002456000-memory.dmp

    Filesize

    728KB

  • memory/2324-39-0x00000000023A0000-0x0000000002456000-memory.dmp

    Filesize

    728KB

  • memory/2324-56-0x00000000023A0000-0x0000000002456000-memory.dmp

    Filesize

    728KB

  • memory/2324-38-0x00000000023A0000-0x0000000002456000-memory.dmp

    Filesize

    728KB

  • memory/2324-37-0x00000000023A0000-0x0000000002456000-memory.dmp

    Filesize

    728KB

  • memory/2324-36-0x00000000023A0000-0x0000000002456000-memory.dmp

    Filesize

    728KB

  • memory/2324-46-0x00000000023A0000-0x0000000002456000-memory.dmp

    Filesize

    728KB

  • memory/2324-34-0x00000000023A0000-0x0000000002456000-memory.dmp

    Filesize

    728KB

  • memory/2324-33-0x00000000023A0000-0x0000000002456000-memory.dmp

    Filesize

    728KB

  • memory/2324-32-0x00000000023A0000-0x0000000002456000-memory.dmp

    Filesize

    728KB

  • memory/2324-31-0x00000000023A0000-0x0000000002456000-memory.dmp

    Filesize

    728KB

  • memory/2324-189-0x00000000023A0000-0x0000000002456000-memory.dmp

    Filesize

    728KB

  • memory/2988-13-0x0000000000400000-0x000000000045F000-memory.dmp

    Filesize

    380KB