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Analysis

  • max time kernel
    111s
  • max time network
    120s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    11/12/2024, 05:20

General

  • Target

    7488cee0f22f567bc3481c966246accfec3daa8369ba4e7a2bb0384d24dbe634N.exe

  • Size

    218KB

  • MD5

    ee73f7ed31a1ab3533500b9cffeec860

  • SHA1

    c2b70c8c4058cd459e902784ad13d0a5130087d4

  • SHA256

    7488cee0f22f567bc3481c966246accfec3daa8369ba4e7a2bb0384d24dbe634

  • SHA512

    05a965b8d30d401d8b8c7ac3a2228de8159d189ce814011d8cecd84291b2d4b4286370ef0281bf8447f2d40759ad73eb6d13d251c51e9d094a2fd6f29edb5827

  • SSDEEP

    6144:xEQBDdO1z7L/EIhZDE9oLfFWlMZT7+DGaMwIC:xEGDdQNHEwWlMxYG/wI

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
  • 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\7488cee0f22f567bc3481c966246accfec3daa8369ba4e7a2bb0384d24dbe634N.exe
    "C:\Users\Admin\AppData\Local\Temp\7488cee0f22f567bc3481c966246accfec3daa8369ba4e7a2bb0384d24dbe634N.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:2716
    • 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:2256

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Windows\apppatch\svchost.exe

    Filesize

    218KB

    MD5

    f59117e2ed744400c34a97dab03038a1

    SHA1

    67a904d13597f7da6daa80ff6e2aa7ba9a5c60c4

    SHA256

    07ec04357e1ef6be9aa6b5851ba19a47c53a49d427cdfc9fbb09793d3ab86e1e

    SHA512

    d22fb1e90560b0cbcfd55ec91eca568812263a2e50090e9dd7b517f789a6c377c46485cb9cd76b8e2634ad6d61ac454de36e30bf825ec776a7050f1df8923b60

  • memory/2256-56-0x0000000002DF0000-0x0000000002EA6000-memory.dmp

    Filesize

    728KB

  • memory/2256-54-0x0000000002DF0000-0x0000000002EA6000-memory.dmp

    Filesize

    728KB

  • memory/2256-17-0x0000000000400000-0x00000000006D0000-memory.dmp

    Filesize

    2.8MB

  • memory/2256-18-0x0000000002C00000-0x0000000002CA8000-memory.dmp

    Filesize

    672KB

  • memory/2256-30-0x0000000002DF0000-0x0000000002EA6000-memory.dmp

    Filesize

    728KB

  • memory/2256-45-0x0000000002DF0000-0x0000000002EA6000-memory.dmp

    Filesize

    728KB

  • memory/2256-61-0x0000000002DF0000-0x0000000002EA6000-memory.dmp

    Filesize

    728KB

  • memory/2256-77-0x0000000002DF0000-0x0000000002EA6000-memory.dmp

    Filesize

    728KB

  • memory/2256-19-0x0000000000400000-0x00000000006D0000-memory.dmp

    Filesize

    2.8MB

  • memory/2256-20-0x0000000002DF0000-0x0000000002EA6000-memory.dmp

    Filesize

    728KB

  • memory/2256-23-0x0000000002DF0000-0x0000000002EA6000-memory.dmp

    Filesize

    728KB

  • memory/2256-24-0x0000000002DF0000-0x0000000002EA6000-memory.dmp

    Filesize

    728KB

  • memory/2256-26-0x0000000002DF0000-0x0000000002EA6000-memory.dmp

    Filesize

    728KB

  • memory/2256-78-0x0000000002DF0000-0x0000000002EA6000-memory.dmp

    Filesize

    728KB

  • memory/2256-76-0x0000000002DF0000-0x0000000002EA6000-memory.dmp

    Filesize

    728KB

  • memory/2256-75-0x0000000002DF0000-0x0000000002EA6000-memory.dmp

    Filesize

    728KB

  • memory/2256-74-0x0000000002DF0000-0x0000000002EA6000-memory.dmp

    Filesize

    728KB

  • memory/2256-73-0x0000000002DF0000-0x0000000002EA6000-memory.dmp

    Filesize

    728KB

  • memory/2256-72-0x0000000002DF0000-0x0000000002EA6000-memory.dmp

    Filesize

    728KB

  • memory/2256-71-0x0000000002DF0000-0x0000000002EA6000-memory.dmp

    Filesize

    728KB

  • memory/2256-70-0x0000000002DF0000-0x0000000002EA6000-memory.dmp

    Filesize

    728KB

  • memory/2256-69-0x0000000002DF0000-0x0000000002EA6000-memory.dmp

    Filesize

    728KB

  • memory/2256-68-0x0000000002DF0000-0x0000000002EA6000-memory.dmp

    Filesize

    728KB

  • memory/2256-67-0x0000000002DF0000-0x0000000002EA6000-memory.dmp

    Filesize

    728KB

  • memory/2256-66-0x0000000002DF0000-0x0000000002EA6000-memory.dmp

    Filesize

    728KB

  • memory/2256-65-0x0000000002DF0000-0x0000000002EA6000-memory.dmp

    Filesize

    728KB

  • memory/2256-64-0x0000000002DF0000-0x0000000002EA6000-memory.dmp

    Filesize

    728KB

  • memory/2256-63-0x0000000002DF0000-0x0000000002EA6000-memory.dmp

    Filesize

    728KB

  • memory/2256-62-0x0000000002DF0000-0x0000000002EA6000-memory.dmp

    Filesize

    728KB

  • memory/2256-60-0x0000000002DF0000-0x0000000002EA6000-memory.dmp

    Filesize

    728KB

  • memory/2256-59-0x0000000002DF0000-0x0000000002EA6000-memory.dmp

    Filesize

    728KB

  • memory/2256-58-0x0000000002DF0000-0x0000000002EA6000-memory.dmp

    Filesize

    728KB

  • memory/2256-57-0x0000000002DF0000-0x0000000002EA6000-memory.dmp

    Filesize

    728KB

  • memory/2256-53-0x0000000002DF0000-0x0000000002EA6000-memory.dmp

    Filesize

    728KB

  • memory/2256-16-0x0000000000400000-0x00000000006D0000-memory.dmp

    Filesize

    2.8MB

  • memory/2256-55-0x0000000002DF0000-0x0000000002EA6000-memory.dmp

    Filesize

    728KB

  • memory/2256-12-0x0000000000400000-0x00000000006D0000-memory.dmp

    Filesize

    2.8MB

  • memory/2256-52-0x0000000002DF0000-0x0000000002EA6000-memory.dmp

    Filesize

    728KB

  • memory/2256-51-0x0000000002DF0000-0x0000000002EA6000-memory.dmp

    Filesize

    728KB

  • memory/2256-50-0x0000000002DF0000-0x0000000002EA6000-memory.dmp

    Filesize

    728KB

  • memory/2256-49-0x0000000002DF0000-0x0000000002EA6000-memory.dmp

    Filesize

    728KB

  • memory/2256-48-0x0000000002DF0000-0x0000000002EA6000-memory.dmp

    Filesize

    728KB

  • memory/2256-47-0x0000000002DF0000-0x0000000002EA6000-memory.dmp

    Filesize

    728KB

  • memory/2256-46-0x0000000002DF0000-0x0000000002EA6000-memory.dmp

    Filesize

    728KB

  • memory/2256-44-0x0000000002DF0000-0x0000000002EA6000-memory.dmp

    Filesize

    728KB

  • memory/2256-43-0x0000000002DF0000-0x0000000002EA6000-memory.dmp

    Filesize

    728KB

  • memory/2256-42-0x0000000002DF0000-0x0000000002EA6000-memory.dmp

    Filesize

    728KB

  • memory/2256-41-0x0000000002DF0000-0x0000000002EA6000-memory.dmp

    Filesize

    728KB

  • memory/2256-40-0x0000000002DF0000-0x0000000002EA6000-memory.dmp

    Filesize

    728KB

  • memory/2256-39-0x0000000002DF0000-0x0000000002EA6000-memory.dmp

    Filesize

    728KB

  • memory/2256-38-0x0000000002DF0000-0x0000000002EA6000-memory.dmp

    Filesize

    728KB

  • memory/2256-37-0x0000000002DF0000-0x0000000002EA6000-memory.dmp

    Filesize

    728KB

  • memory/2256-36-0x0000000002DF0000-0x0000000002EA6000-memory.dmp

    Filesize

    728KB

  • memory/2256-35-0x0000000002DF0000-0x0000000002EA6000-memory.dmp

    Filesize

    728KB

  • memory/2256-34-0x0000000002DF0000-0x0000000002EA6000-memory.dmp

    Filesize

    728KB

  • memory/2256-33-0x0000000002DF0000-0x0000000002EA6000-memory.dmp

    Filesize

    728KB

  • memory/2256-32-0x0000000002DF0000-0x0000000002EA6000-memory.dmp

    Filesize

    728KB

  • memory/2256-31-0x0000000002DF0000-0x0000000002EA6000-memory.dmp

    Filesize

    728KB

  • memory/2256-29-0x0000000002DF0000-0x0000000002EA6000-memory.dmp

    Filesize

    728KB

  • memory/2256-28-0x0000000002DF0000-0x0000000002EA6000-memory.dmp

    Filesize

    728KB

  • memory/2256-27-0x0000000002DF0000-0x0000000002EA6000-memory.dmp

    Filesize

    728KB

  • memory/2256-25-0x0000000002DF0000-0x0000000002EA6000-memory.dmp

    Filesize

    728KB

  • memory/2256-79-0x0000000002DF0000-0x0000000002EA6000-memory.dmp

    Filesize

    728KB

  • memory/2716-15-0x0000000000400000-0x000000000045F000-memory.dmp

    Filesize

    380KB

  • memory/2716-2-0x0000000000400000-0x000000000045F000-memory.dmp

    Filesize

    380KB

  • memory/2716-1-0x0000000002420000-0x0000000002471000-memory.dmp

    Filesize

    324KB

  • memory/2716-0-0x0000000000400000-0x00000000006D0000-memory.dmp

    Filesize

    2.8MB

  • memory/2716-14-0x0000000002420000-0x0000000002471000-memory.dmp

    Filesize

    324KB

  • memory/2716-13-0x0000000000400000-0x00000000006D0000-memory.dmp

    Filesize

    2.8MB