Analysis

  • max time kernel
    120s
  • max time network
    127s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240910-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240910-enlocale:en-usos:windows10-2004-x64system
  • submitted
    19/09/2024, 09:49

General

  • Target

    0b56675a3f02363efb758765b4ab1c2e70f306c28c9edc0e8f296cd7eb991eabN.exe

  • Size

    217KB

  • MD5

    849eea866f831753fec014e1099f7e70

  • SHA1

    870eee8830e93e763aeb7ec716d669fed4815b8a

  • SHA256

    0b56675a3f02363efb758765b4ab1c2e70f306c28c9edc0e8f296cd7eb991eab

  • SHA512

    678645cd6a6a2b95fded9e304331da185043d5d1835a106e60599089efe6cb8a9faf4dd868ed2b65b6aa6ff7d18db1c8d95643a0a3aa1ed33339af15b700c563

  • SSDEEP

    6144:rnyiqVQBf0EaIp8fkTJJsK1eEzEB1XjrkXb5:kEdp8csKpE7XXo

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
  • Modifies WinLogon 2 TTPs 1 IoCs
  • Drops file in Program Files directory 6 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 64 IoCs
  • Suspicious behavior: RenamesItself 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 4 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\0b56675a3f02363efb758765b4ab1c2e70f306c28c9edc0e8f296cd7eb991eabN.exe
    "C:\Users\Admin\AppData\Local\Temp\0b56675a3f02363efb758765b4ab1c2e70f306c28c9edc0e8f296cd7eb991eabN.exe"
    1⤵
    • 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:1716
    • 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:2920

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

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        Downloads

        • C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\Low\IE\CVQX5J4U\login[2].htm

          Filesize

          168B

          MD5

          d57e3a550060f85d44a175139ea23021

          SHA1

          2c5cb3428a322c9709a34d04dd86fe7628f8f0a6

          SHA256

          43edf068d34276e8ade4113d4d7207de19fc98a2ae1c07298e593edae2a8774c

          SHA512

          0364fe6a010fce7a3f4a6344c84468c64b20fd131f3160fc649db78f1075ba52d8a1c4496e50dbe27c357e01ee52e94cdcda8f7927cba28d5f2f45b9da690063

        • C:\Windows\apppatch\svchost.exe

          Filesize

          217KB

          MD5

          267e076457e2f0d65eae368461681246

          SHA1

          fa11e26692c3ccb2f0fabe1d734e5155a52f2695

          SHA256

          91fd686cb2beae5c96b80cf3734afcdff5553e470d3331670b061d0ff0c5f6de

          SHA512

          fcb6b7514dc1fa0a3b79dd2f4285cacf0456a667f69d5c3751d43136650569bffddbbb5166faee01654fc2fd284c69649cbb8f842e973e20e18d94c60dfbcd67

        • memory/1716-0-0x0000000000680000-0x0000000000683000-memory.dmp

          Filesize

          12KB

        • memory/1716-1-0x0000000000400000-0x000000000045F000-memory.dmp

          Filesize

          380KB

        • memory/1716-14-0x0000000000680000-0x0000000000683000-memory.dmp

          Filesize

          12KB

        • memory/1716-15-0x0000000000400000-0x000000000045F000-memory.dmp

          Filesize

          380KB

        • memory/1716-13-0x0000000000400000-0x0000000000469000-memory.dmp

          Filesize

          420KB

        • memory/2920-16-0x0000000000400000-0x0000000000469000-memory.dmp

          Filesize

          420KB

        • memory/2920-17-0x0000000000400000-0x0000000000469000-memory.dmp

          Filesize

          420KB

        • memory/2920-18-0x0000000002B30000-0x0000000002BDA000-memory.dmp

          Filesize

          680KB

        • memory/2920-19-0x0000000000400000-0x0000000000469000-memory.dmp

          Filesize

          420KB

        • memory/2920-20-0x0000000002F40000-0x0000000002FF7000-memory.dmp

          Filesize

          732KB

        • memory/2920-24-0x0000000002F40000-0x0000000002FF7000-memory.dmp

          Filesize

          732KB

        • memory/2920-22-0x0000000002F40000-0x0000000002FF7000-memory.dmp

          Filesize

          732KB

        • memory/2920-62-0x0000000002F40000-0x0000000002FF7000-memory.dmp

          Filesize

          732KB

        • memory/2920-68-0x0000000002F40000-0x0000000002FF7000-memory.dmp

          Filesize

          732KB

        • memory/2920-81-0x0000000002F40000-0x0000000002FF7000-memory.dmp

          Filesize

          732KB

        • memory/2920-80-0x0000000002F40000-0x0000000002FF7000-memory.dmp

          Filesize

          732KB

        • memory/2920-79-0x0000000002F40000-0x0000000002FF7000-memory.dmp

          Filesize

          732KB

        • memory/2920-78-0x0000000002F40000-0x0000000002FF7000-memory.dmp

          Filesize

          732KB

        • memory/2920-77-0x0000000002F40000-0x0000000002FF7000-memory.dmp

          Filesize

          732KB

        • memory/2920-76-0x0000000002F40000-0x0000000002FF7000-memory.dmp

          Filesize

          732KB

        • memory/2920-75-0x0000000002F40000-0x0000000002FF7000-memory.dmp

          Filesize

          732KB

        • memory/2920-74-0x0000000002F40000-0x0000000002FF7000-memory.dmp

          Filesize

          732KB

        • memory/2920-73-0x0000000002F40000-0x0000000002FF7000-memory.dmp

          Filesize

          732KB

        • memory/2920-72-0x0000000002F40000-0x0000000002FF7000-memory.dmp

          Filesize

          732KB

        • memory/2920-71-0x0000000002F40000-0x0000000002FF7000-memory.dmp

          Filesize

          732KB

        • memory/2920-70-0x0000000002F40000-0x0000000002FF7000-memory.dmp

          Filesize

          732KB

        • memory/2920-67-0x0000000002F40000-0x0000000002FF7000-memory.dmp

          Filesize

          732KB

        • memory/2920-66-0x0000000002F40000-0x0000000002FF7000-memory.dmp

          Filesize

          732KB

        • memory/2920-65-0x0000000002F40000-0x0000000002FF7000-memory.dmp

          Filesize

          732KB

        • memory/2920-64-0x0000000002F40000-0x0000000002FF7000-memory.dmp

          Filesize

          732KB

        • memory/2920-63-0x0000000002F40000-0x0000000002FF7000-memory.dmp

          Filesize

          732KB

        • memory/2920-61-0x0000000002F40000-0x0000000002FF7000-memory.dmp

          Filesize

          732KB

        • memory/2920-60-0x0000000002F40000-0x0000000002FF7000-memory.dmp

          Filesize

          732KB

        • memory/2920-59-0x0000000002F40000-0x0000000002FF7000-memory.dmp

          Filesize

          732KB

        • memory/2920-58-0x0000000002F40000-0x0000000002FF7000-memory.dmp

          Filesize

          732KB

        • memory/2920-57-0x0000000002F40000-0x0000000002FF7000-memory.dmp

          Filesize

          732KB

        • memory/2920-56-0x0000000002F40000-0x0000000002FF7000-memory.dmp

          Filesize

          732KB

        • memory/2920-55-0x0000000002F40000-0x0000000002FF7000-memory.dmp

          Filesize

          732KB

        • memory/2920-54-0x0000000002F40000-0x0000000002FF7000-memory.dmp

          Filesize

          732KB

        • memory/2920-53-0x0000000002F40000-0x0000000002FF7000-memory.dmp

          Filesize

          732KB

        • memory/2920-52-0x0000000002F40000-0x0000000002FF7000-memory.dmp

          Filesize

          732KB

        • memory/2920-51-0x0000000002F40000-0x0000000002FF7000-memory.dmp

          Filesize

          732KB

        • memory/2920-50-0x0000000002F40000-0x0000000002FF7000-memory.dmp

          Filesize

          732KB

        • memory/2920-49-0x0000000002F40000-0x0000000002FF7000-memory.dmp

          Filesize

          732KB

        • memory/2920-48-0x0000000002F40000-0x0000000002FF7000-memory.dmp

          Filesize

          732KB

        • memory/2920-47-0x0000000002F40000-0x0000000002FF7000-memory.dmp

          Filesize

          732KB

        • memory/2920-45-0x0000000002F40000-0x0000000002FF7000-memory.dmp

          Filesize

          732KB

        • memory/2920-44-0x0000000002F40000-0x0000000002FF7000-memory.dmp

          Filesize

          732KB

        • memory/2920-43-0x0000000002F40000-0x0000000002FF7000-memory.dmp

          Filesize

          732KB

        • memory/2920-42-0x0000000002F40000-0x0000000002FF7000-memory.dmp

          Filesize

          732KB

        • memory/2920-41-0x0000000002F40000-0x0000000002FF7000-memory.dmp

          Filesize

          732KB

        • memory/2920-40-0x0000000002F40000-0x0000000002FF7000-memory.dmp

          Filesize

          732KB

        • memory/2920-39-0x0000000002F40000-0x0000000002FF7000-memory.dmp

          Filesize

          732KB

        • memory/2920-38-0x0000000002F40000-0x0000000002FF7000-memory.dmp

          Filesize

          732KB

        • memory/2920-37-0x0000000002F40000-0x0000000002FF7000-memory.dmp

          Filesize

          732KB

        • memory/2920-36-0x0000000002F40000-0x0000000002FF7000-memory.dmp

          Filesize

          732KB

        • memory/2920-35-0x0000000002F40000-0x0000000002FF7000-memory.dmp

          Filesize

          732KB

        • memory/2920-32-0x0000000002F40000-0x0000000002FF7000-memory.dmp

          Filesize

          732KB

        • memory/2920-33-0x0000000002F40000-0x0000000002FF7000-memory.dmp

          Filesize

          732KB

        • memory/2920-31-0x0000000002F40000-0x0000000002FF7000-memory.dmp

          Filesize

          732KB

        • memory/2920-30-0x0000000002F40000-0x0000000002FF7000-memory.dmp

          Filesize

          732KB

        • memory/2920-29-0x0000000002F40000-0x0000000002FF7000-memory.dmp

          Filesize

          732KB

        • memory/2920-28-0x0000000002F40000-0x0000000002FF7000-memory.dmp

          Filesize

          732KB

        • memory/2920-27-0x0000000002F40000-0x0000000002FF7000-memory.dmp

          Filesize

          732KB

        • memory/2920-26-0x0000000002F40000-0x0000000002FF7000-memory.dmp

          Filesize

          732KB

        • memory/2920-69-0x0000000002F40000-0x0000000002FF7000-memory.dmp

          Filesize

          732KB

        • memory/2920-46-0x0000000002F40000-0x0000000002FF7000-memory.dmp

          Filesize

          732KB

        • memory/2920-34-0x0000000002F40000-0x0000000002FF7000-memory.dmp

          Filesize

          732KB

        • memory/2920-25-0x0000000002F40000-0x0000000002FF7000-memory.dmp

          Filesize

          732KB