Analysis

  • max time kernel
    118s
  • max time network
    120s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    19/09/2024, 04:07

General

  • Target

    8891cbe6a69f77ce0813f8bc5edc481457ad0ea7cfd61dcc9f7a5f04b4ac181aN.exe

  • Size

    206KB

  • MD5

    060a5b0c6c592880f93458455bfcd240

  • SHA1

    99051a2a832a448efac5454914e22230727abfab

  • SHA256

    8891cbe6a69f77ce0813f8bc5edc481457ad0ea7cfd61dcc9f7a5f04b4ac181a

  • SHA512

    8bcfcd96b38f7f8e6b9dde98819df4045cecd5facccbc3c9b71eafb410900c00413967273b432d85a683f33085d5a9b577205990447f141c7b001ee1449fcab9

  • SSDEEP

    6144:d+EqFQ9A9ty5bhJcrs0MurPw/c4hd/B/coyXT3nOGX6T+:d+U9qyFhJy56d/eoyXjn9W+

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

  • simda

    Simda is an infostealer written in C++.

  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 2 IoCs
  • Modifies WinLogon 2 TTPs 1 IoCs
  • Drops file in Program Files directory 8 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.

  • Modifies registry class 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 1 IoCs
  • Suspicious behavior: RenamesItself 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 4 IoCs
  • Suspicious use of WriteProcessMemory 4 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\8891cbe6a69f77ce0813f8bc5edc481457ad0ea7cfd61dcc9f7a5f04b4ac181aN.exe
    "C:\Users\Admin\AppData\Local\Temp\8891cbe6a69f77ce0813f8bc5edc481457ad0ea7cfd61dcc9f7a5f04b4ac181aN.exe"
    1⤵
    • Loads dropped DLL
    • Modifies WinLogon
    • Drops file in Windows directory
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: RenamesItself
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:296
    • C:\Windows\apppatch\svchost.exe
      "C:\Windows\apppatch\svchost.exe"
      2⤵
      • Executes dropped EXE
      • Drops file in Program Files directory
      • System Location Discovery: System Language Discovery
      • Modifies registry class
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2776

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Windows\AppPatch\svchost.exe

    Filesize

    206KB

    MD5

    94dda50b04447d08efc097eab5588212

    SHA1

    0f0a041142badb83782044510b6fc5aab3b04153

    SHA256

    1a6155c506d92bdcf4c6c8ee01ed42301a8ae54ad2750823b2942365acfa675f

    SHA512

    e757aa14dc021d8367157ed7788d2018460ac7dea006360baf81618835883e329d55f77f467c48f845f288b7397fdf1e3f4d12e02016fef5500cefb94276b433

  • memory/296-0-0x0000000000400000-0x0000000000495000-memory.dmp

    Filesize

    596KB

  • memory/296-1-0x00000000002B0000-0x0000000000302000-memory.dmp

    Filesize

    328KB

  • memory/296-2-0x0000000000400000-0x000000000045F000-memory.dmp

    Filesize

    380KB

  • memory/296-17-0x0000000000400000-0x0000000000495000-memory.dmp

    Filesize

    596KB

  • memory/296-20-0x0000000000400000-0x000000000045F000-memory.dmp

    Filesize

    380KB

  • memory/296-19-0x00000000002B0000-0x0000000000302000-memory.dmp

    Filesize

    328KB

  • memory/2776-21-0x0000000000400000-0x0000000000495000-memory.dmp

    Filesize

    596KB

  • memory/2776-22-0x0000000000400000-0x0000000000495000-memory.dmp

    Filesize

    596KB

  • memory/2776-23-0x0000000000400000-0x0000000000495000-memory.dmp

    Filesize

    596KB

  • memory/2776-26-0x0000000001D10000-0x0000000001DBA000-memory.dmp

    Filesize

    680KB

  • memory/2776-30-0x0000000001D10000-0x0000000001DBA000-memory.dmp

    Filesize

    680KB

  • memory/2776-34-0x0000000001D10000-0x0000000001DBA000-memory.dmp

    Filesize

    680KB

  • memory/2776-35-0x0000000000400000-0x0000000000495000-memory.dmp

    Filesize

    596KB

  • memory/2776-28-0x0000000001D10000-0x0000000001DBA000-memory.dmp

    Filesize

    680KB

  • memory/2776-32-0x0000000001D10000-0x0000000001DBA000-memory.dmp

    Filesize

    680KB

  • memory/2776-24-0x0000000001D10000-0x0000000001DBA000-memory.dmp

    Filesize

    680KB

  • memory/2776-36-0x00000000024C0000-0x0000000002577000-memory.dmp

    Filesize

    732KB

  • memory/2776-38-0x00000000024C0000-0x0000000002577000-memory.dmp

    Filesize

    732KB

  • memory/2776-40-0x00000000024C0000-0x0000000002577000-memory.dmp

    Filesize

    732KB

  • memory/2776-46-0x00000000024C0000-0x0000000002577000-memory.dmp

    Filesize

    732KB

  • memory/2776-49-0x00000000024C0000-0x0000000002577000-memory.dmp

    Filesize

    732KB

  • memory/2776-82-0x00000000024C0000-0x0000000002577000-memory.dmp

    Filesize

    732KB

  • memory/2776-86-0x00000000024C0000-0x0000000002577000-memory.dmp

    Filesize

    732KB

  • memory/2776-85-0x00000000024C0000-0x0000000002577000-memory.dmp

    Filesize

    732KB

  • memory/2776-83-0x00000000024C0000-0x0000000002577000-memory.dmp

    Filesize

    732KB

  • memory/2776-81-0x00000000024C0000-0x0000000002577000-memory.dmp

    Filesize

    732KB

  • memory/2776-80-0x00000000024C0000-0x0000000002577000-memory.dmp

    Filesize

    732KB

  • memory/2776-79-0x00000000024C0000-0x0000000002577000-memory.dmp

    Filesize

    732KB

  • memory/2776-78-0x00000000024C0000-0x0000000002577000-memory.dmp

    Filesize

    732KB

  • memory/2776-77-0x00000000024C0000-0x0000000002577000-memory.dmp

    Filesize

    732KB

  • memory/2776-76-0x00000000024C0000-0x0000000002577000-memory.dmp

    Filesize

    732KB

  • memory/2776-75-0x00000000024C0000-0x0000000002577000-memory.dmp

    Filesize

    732KB

  • memory/2776-74-0x00000000024C0000-0x0000000002577000-memory.dmp

    Filesize

    732KB

  • memory/2776-73-0x00000000024C0000-0x0000000002577000-memory.dmp

    Filesize

    732KB

  • memory/2776-72-0x00000000024C0000-0x0000000002577000-memory.dmp

    Filesize

    732KB

  • memory/2776-71-0x00000000024C0000-0x0000000002577000-memory.dmp

    Filesize

    732KB

  • memory/2776-70-0x00000000024C0000-0x0000000002577000-memory.dmp

    Filesize

    732KB

  • memory/2776-68-0x00000000024C0000-0x0000000002577000-memory.dmp

    Filesize

    732KB

  • memory/2776-67-0x00000000024C0000-0x0000000002577000-memory.dmp

    Filesize

    732KB

  • memory/2776-66-0x00000000024C0000-0x0000000002577000-memory.dmp

    Filesize

    732KB

  • memory/2776-65-0x00000000024C0000-0x0000000002577000-memory.dmp

    Filesize

    732KB

  • memory/2776-64-0x00000000024C0000-0x0000000002577000-memory.dmp

    Filesize

    732KB

  • memory/2776-63-0x00000000024C0000-0x0000000002577000-memory.dmp

    Filesize

    732KB

  • memory/2776-62-0x00000000024C0000-0x0000000002577000-memory.dmp

    Filesize

    732KB

  • memory/2776-61-0x00000000024C0000-0x0000000002577000-memory.dmp

    Filesize

    732KB

  • memory/2776-60-0x00000000024C0000-0x0000000002577000-memory.dmp

    Filesize

    732KB

  • memory/2776-59-0x00000000024C0000-0x0000000002577000-memory.dmp

    Filesize

    732KB

  • memory/2776-58-0x00000000024C0000-0x0000000002577000-memory.dmp

    Filesize

    732KB

  • memory/2776-57-0x00000000024C0000-0x0000000002577000-memory.dmp

    Filesize

    732KB

  • memory/2776-56-0x00000000024C0000-0x0000000002577000-memory.dmp

    Filesize

    732KB

  • memory/2776-54-0x00000000024C0000-0x0000000002577000-memory.dmp

    Filesize

    732KB

  • memory/2776-53-0x00000000024C0000-0x0000000002577000-memory.dmp

    Filesize

    732KB

  • memory/2776-52-0x00000000024C0000-0x0000000002577000-memory.dmp

    Filesize

    732KB

  • memory/2776-84-0x00000000024C0000-0x0000000002577000-memory.dmp

    Filesize

    732KB

  • memory/2776-51-0x00000000024C0000-0x0000000002577000-memory.dmp

    Filesize

    732KB

  • memory/2776-50-0x00000000024C0000-0x0000000002577000-memory.dmp

    Filesize

    732KB

  • memory/2776-48-0x00000000024C0000-0x0000000002577000-memory.dmp

    Filesize

    732KB

  • memory/2776-47-0x00000000024C0000-0x0000000002577000-memory.dmp

    Filesize

    732KB

  • memory/2776-45-0x00000000024C0000-0x0000000002577000-memory.dmp

    Filesize

    732KB

  • memory/2776-69-0x00000000024C0000-0x0000000002577000-memory.dmp

    Filesize

    732KB

  • memory/2776-44-0x00000000024C0000-0x0000000002577000-memory.dmp

    Filesize

    732KB

  • memory/2776-42-0x00000000024C0000-0x0000000002577000-memory.dmp

    Filesize

    732KB

  • memory/2776-55-0x00000000024C0000-0x0000000002577000-memory.dmp

    Filesize

    732KB

  • memory/2776-43-0x00000000024C0000-0x0000000002577000-memory.dmp

    Filesize

    732KB