Analysis

  • max time kernel
    117s
  • max time network
    122s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    29-10-2024 09:36

General

  • Target

    169e61287e7c38cd2f039125d2e9b1d8af8d71d2444d5819c3c28f9702c7fa50N.exe

  • Size

    380KB

  • MD5

    cb200a88d1d022add37ea259d0a2c9b0

  • SHA1

    05a76b5c5023da97e93f24cb614256498eca472b

  • SHA256

    169e61287e7c38cd2f039125d2e9b1d8af8d71d2444d5819c3c28f9702c7fa50

  • SHA512

    69bdf7d9d2347ceadab6c280317ba827f780e1a96a24b5c7803184c4f106486ceba1bbed130084bd058adfe66c38180974a2374c8385ba584a160d62544145a5

  • SSDEEP

    6144:SaEmWPDNND9yRPzLq+YXFqaZiMLic9kzVd7EAC4TSs9EiwmryP:emWhND9yJz+b1FcMLmp2ATTSsdwmryP

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\169e61287e7c38cd2f039125d2e9b1d8af8d71d2444d5819c3c28f9702c7fa50N.exe
    "C:\Users\Admin\AppData\Local\Temp\169e61287e7c38cd2f039125d2e9b1d8af8d71d2444d5819c3c28f9702c7fa50N.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:2688
    • 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:2648

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Windows\AppPatch\svchost.exe

    Filesize

    380KB

    MD5

    cb0632566e8eedf23059957948728ad7

    SHA1

    8f21ee652ff021df389ef17d5c531d018a22ee30

    SHA256

    c2a91e339c41189f6cdde5858f6ff130e08df4276f84ef8d79be51d04d4c03c8

    SHA512

    a2e08c18bafb7e94724572b86837c597380f6f78b8bb2478fe051e2b4a61468b0d8a635f95196e895215403738ea384bf7e5bbc49915e766afca6f536ac62fae

  • memory/2648-18-0x00000000021E0000-0x0000000002288000-memory.dmp

    Filesize

    672KB

  • memory/2648-24-0x00000000021E0000-0x0000000002288000-memory.dmp

    Filesize

    672KB

  • memory/2648-23-0x00000000021E0000-0x0000000002288000-memory.dmp

    Filesize

    672KB

  • memory/2648-16-0x00000000021E0000-0x0000000002288000-memory.dmp

    Filesize

    672KB

  • memory/2648-20-0x00000000021E0000-0x0000000002288000-memory.dmp

    Filesize

    672KB

  • memory/2648-14-0x00000000021E0000-0x0000000002288000-memory.dmp

    Filesize

    672KB

  • memory/2648-25-0x0000000002390000-0x0000000002446000-memory.dmp

    Filesize

    728KB

  • memory/2648-28-0x0000000002390000-0x0000000002446000-memory.dmp

    Filesize

    728KB

  • memory/2648-30-0x0000000002390000-0x0000000002446000-memory.dmp

    Filesize

    728KB

  • memory/2648-32-0x0000000002390000-0x0000000002446000-memory.dmp

    Filesize

    728KB

  • memory/2648-33-0x0000000002390000-0x0000000002446000-memory.dmp

    Filesize

    728KB

  • memory/2648-37-0x0000000002390000-0x0000000002446000-memory.dmp

    Filesize

    728KB

  • memory/2648-44-0x0000000002390000-0x0000000002446000-memory.dmp

    Filesize

    728KB

  • memory/2648-53-0x0000000002390000-0x0000000002446000-memory.dmp

    Filesize

    728KB

  • memory/2648-59-0x0000000002390000-0x0000000002446000-memory.dmp

    Filesize

    728KB

  • memory/2648-58-0x0000000002390000-0x0000000002446000-memory.dmp

    Filesize

    728KB

  • memory/2648-57-0x0000000002390000-0x0000000002446000-memory.dmp

    Filesize

    728KB

  • memory/2648-56-0x0000000002390000-0x0000000002446000-memory.dmp

    Filesize

    728KB

  • memory/2648-55-0x0000000002390000-0x0000000002446000-memory.dmp

    Filesize

    728KB

  • memory/2648-54-0x0000000002390000-0x0000000002446000-memory.dmp

    Filesize

    728KB

  • memory/2648-52-0x0000000002390000-0x0000000002446000-memory.dmp

    Filesize

    728KB

  • memory/2648-51-0x0000000002390000-0x0000000002446000-memory.dmp

    Filesize

    728KB

  • memory/2648-50-0x0000000002390000-0x0000000002446000-memory.dmp

    Filesize

    728KB

  • memory/2648-49-0x0000000002390000-0x0000000002446000-memory.dmp

    Filesize

    728KB

  • memory/2648-48-0x0000000002390000-0x0000000002446000-memory.dmp

    Filesize

    728KB

  • memory/2648-47-0x0000000002390000-0x0000000002446000-memory.dmp

    Filesize

    728KB

  • memory/2648-46-0x0000000002390000-0x0000000002446000-memory.dmp

    Filesize

    728KB

  • memory/2648-45-0x0000000002390000-0x0000000002446000-memory.dmp

    Filesize

    728KB

  • memory/2648-43-0x0000000002390000-0x0000000002446000-memory.dmp

    Filesize

    728KB

  • memory/2648-67-0x0000000002390000-0x0000000002446000-memory.dmp

    Filesize

    728KB

  • memory/2648-42-0x0000000002390000-0x0000000002446000-memory.dmp

    Filesize

    728KB

  • memory/2648-41-0x0000000002390000-0x0000000002446000-memory.dmp

    Filesize

    728KB

  • memory/2648-40-0x0000000002390000-0x0000000002446000-memory.dmp

    Filesize

    728KB

  • memory/2648-39-0x0000000002390000-0x0000000002446000-memory.dmp

    Filesize

    728KB

  • memory/2648-38-0x0000000002390000-0x0000000002446000-memory.dmp

    Filesize

    728KB

  • memory/2648-71-0x0000000002390000-0x0000000002446000-memory.dmp

    Filesize

    728KB

  • memory/2648-80-0x0000000002390000-0x0000000002446000-memory.dmp

    Filesize

    728KB

  • memory/2648-81-0x0000000002390000-0x0000000002446000-memory.dmp

    Filesize

    728KB

  • memory/2648-84-0x0000000002390000-0x0000000002446000-memory.dmp

    Filesize

    728KB

  • memory/2648-83-0x0000000002390000-0x0000000002446000-memory.dmp

    Filesize

    728KB

  • memory/2648-82-0x0000000002390000-0x0000000002446000-memory.dmp

    Filesize

    728KB

  • memory/2648-79-0x0000000002390000-0x0000000002446000-memory.dmp

    Filesize

    728KB

  • memory/2648-78-0x0000000002390000-0x0000000002446000-memory.dmp

    Filesize

    728KB

  • memory/2648-77-0x0000000002390000-0x0000000002446000-memory.dmp

    Filesize

    728KB

  • memory/2648-76-0x0000000002390000-0x0000000002446000-memory.dmp

    Filesize

    728KB

  • memory/2648-75-0x0000000002390000-0x0000000002446000-memory.dmp

    Filesize

    728KB

  • memory/2648-74-0x0000000002390000-0x0000000002446000-memory.dmp

    Filesize

    728KB

  • memory/2648-73-0x0000000002390000-0x0000000002446000-memory.dmp

    Filesize

    728KB

  • memory/2648-72-0x0000000002390000-0x0000000002446000-memory.dmp

    Filesize

    728KB

  • memory/2648-36-0x0000000002390000-0x0000000002446000-memory.dmp

    Filesize

    728KB

  • memory/2648-35-0x0000000002390000-0x0000000002446000-memory.dmp

    Filesize

    728KB

  • memory/2648-34-0x0000000002390000-0x0000000002446000-memory.dmp

    Filesize

    728KB

  • memory/2648-192-0x0000000002390000-0x0000000002446000-memory.dmp

    Filesize

    728KB

  • memory/2688-13-0x0000000000400000-0x000000000046B000-memory.dmp

    Filesize

    428KB