Analysis

  • max time kernel
    111s
  • 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, 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
  • Loads dropped DLL 1 IoCs
  • Modifies WinLogon 2 TTPs 1 IoCs
  • Drops file in Program Files directory 7 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\0b56675a3f02363efb758765b4ab1c2e70f306c28c9edc0e8f296cd7eb991eabN.exe
    "C:\Users\Admin\AppData\Local\Temp\0b56675a3f02363efb758765b4ab1c2e70f306c28c9edc0e8f296cd7eb991eabN.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:2716
    • 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:372

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        • C:\Users\Admin\AppData\Local\Microsoft\Windows\Temporary Internet Files\Low\Content.IE5\HI2MYB3R\login[1].htm

          Filesize

          168B

          MD5

          d57e3a550060f85d44a175139ea23021

          SHA1

          2c5cb3428a322c9709a34d04dd86fe7628f8f0a6

          SHA256

          43edf068d34276e8ade4113d4d7207de19fc98a2ae1c07298e593edae2a8774c

          SHA512

          0364fe6a010fce7a3f4a6344c84468c64b20fd131f3160fc649db78f1075ba52d8a1c4496e50dbe27c357e01ee52e94cdcda8f7927cba28d5f2f45b9da690063

        • C:\Windows\AppPatch\svchost.exe

          Filesize

          217KB

          MD5

          95d449a6100ff31d91990c37e09e8015

          SHA1

          1fb22603db6d761acd88c2ab121d362c0d9ee953

          SHA256

          3e4baba2aa26b6418bc52172f26582fab8cbbc95d9c816b8df997e0e5deb1cda

          SHA512

          1142f2fd6b363c0141cc536825f922c0e96e04f86776519e34c58e19ac955c49939c35282ea9da79be5f4df6067d8b443c156abb61ab5a0c8b7276038fa55999

        • memory/372-66-0x00000000024F0000-0x00000000025A7000-memory.dmp

          Filesize

          732KB

        • memory/372-62-0x00000000024F0000-0x00000000025A7000-memory.dmp

          Filesize

          732KB

        • memory/372-30-0x0000000000400000-0x0000000000469000-memory.dmp

          Filesize

          420KB

        • memory/372-17-0x0000000000400000-0x0000000000469000-memory.dmp

          Filesize

          420KB

        • memory/372-27-0x00000000021B0000-0x000000000225A000-memory.dmp

          Filesize

          680KB

        • memory/372-25-0x00000000021B0000-0x000000000225A000-memory.dmp

          Filesize

          680KB

        • memory/372-23-0x00000000021B0000-0x000000000225A000-memory.dmp

          Filesize

          680KB

        • memory/372-29-0x00000000021B0000-0x000000000225A000-memory.dmp

          Filesize

          680KB

        • memory/372-19-0x00000000021B0000-0x000000000225A000-memory.dmp

          Filesize

          680KB

        • memory/372-31-0x00000000024F0000-0x00000000025A7000-memory.dmp

          Filesize

          732KB

        • memory/372-32-0x00000000024F0000-0x00000000025A7000-memory.dmp

          Filesize

          732KB

        • memory/372-36-0x00000000024F0000-0x00000000025A7000-memory.dmp

          Filesize

          732KB

        • memory/372-42-0x00000000024F0000-0x00000000025A7000-memory.dmp

          Filesize

          732KB

        • memory/372-44-0x00000000024F0000-0x00000000025A7000-memory.dmp

          Filesize

          732KB

        • memory/372-72-0x00000000024F0000-0x00000000025A7000-memory.dmp

          Filesize

          732KB

        • memory/372-83-0x00000000024F0000-0x00000000025A7000-memory.dmp

          Filesize

          732KB

        • memory/372-82-0x00000000024F0000-0x00000000025A7000-memory.dmp

          Filesize

          732KB

        • memory/372-81-0x00000000024F0000-0x00000000025A7000-memory.dmp

          Filesize

          732KB

        • memory/372-80-0x00000000024F0000-0x00000000025A7000-memory.dmp

          Filesize

          732KB

        • memory/372-79-0x00000000024F0000-0x00000000025A7000-memory.dmp

          Filesize

          732KB

        • memory/372-78-0x00000000024F0000-0x00000000025A7000-memory.dmp

          Filesize

          732KB

        • memory/372-77-0x00000000024F0000-0x00000000025A7000-memory.dmp

          Filesize

          732KB

        • memory/372-76-0x00000000024F0000-0x00000000025A7000-memory.dmp

          Filesize

          732KB

        • memory/372-74-0x00000000024F0000-0x00000000025A7000-memory.dmp

          Filesize

          732KB

        • memory/372-73-0x00000000024F0000-0x00000000025A7000-memory.dmp

          Filesize

          732KB

        • memory/372-71-0x00000000024F0000-0x00000000025A7000-memory.dmp

          Filesize

          732KB

        • memory/372-70-0x00000000024F0000-0x00000000025A7000-memory.dmp

          Filesize

          732KB

        • memory/372-69-0x00000000024F0000-0x00000000025A7000-memory.dmp

          Filesize

          732KB

        • memory/372-68-0x00000000024F0000-0x00000000025A7000-memory.dmp

          Filesize

          732KB

        • memory/372-67-0x00000000024F0000-0x00000000025A7000-memory.dmp

          Filesize

          732KB

        • memory/372-21-0x00000000021B0000-0x000000000225A000-memory.dmp

          Filesize

          680KB

        • memory/372-18-0x0000000000400000-0x0000000000469000-memory.dmp

          Filesize

          420KB

        • memory/372-55-0x00000000024F0000-0x00000000025A7000-memory.dmp

          Filesize

          732KB

        • memory/372-65-0x00000000024F0000-0x00000000025A7000-memory.dmp

          Filesize

          732KB

        • memory/372-61-0x00000000024F0000-0x00000000025A7000-memory.dmp

          Filesize

          732KB

        • memory/372-60-0x00000000024F0000-0x00000000025A7000-memory.dmp

          Filesize

          732KB

        • memory/372-59-0x00000000024F0000-0x00000000025A7000-memory.dmp

          Filesize

          732KB

        • memory/372-58-0x00000000024F0000-0x00000000025A7000-memory.dmp

          Filesize

          732KB

        • memory/372-57-0x00000000024F0000-0x00000000025A7000-memory.dmp

          Filesize

          732KB

        • memory/372-56-0x00000000024F0000-0x00000000025A7000-memory.dmp

          Filesize

          732KB

        • memory/372-64-0x00000000024F0000-0x00000000025A7000-memory.dmp

          Filesize

          732KB

        • memory/372-54-0x00000000024F0000-0x00000000025A7000-memory.dmp

          Filesize

          732KB

        • memory/372-53-0x00000000024F0000-0x00000000025A7000-memory.dmp

          Filesize

          732KB

        • memory/372-52-0x00000000024F0000-0x00000000025A7000-memory.dmp

          Filesize

          732KB

        • memory/372-51-0x00000000024F0000-0x00000000025A7000-memory.dmp

          Filesize

          732KB

        • memory/372-49-0x00000000024F0000-0x00000000025A7000-memory.dmp

          Filesize

          732KB

        • memory/372-48-0x00000000024F0000-0x00000000025A7000-memory.dmp

          Filesize

          732KB

        • memory/372-47-0x00000000024F0000-0x00000000025A7000-memory.dmp

          Filesize

          732KB

        • memory/372-75-0x00000000024F0000-0x00000000025A7000-memory.dmp

          Filesize

          732KB

        • memory/372-46-0x00000000024F0000-0x00000000025A7000-memory.dmp

          Filesize

          732KB

        • memory/372-45-0x00000000024F0000-0x00000000025A7000-memory.dmp

          Filesize

          732KB

        • memory/372-43-0x00000000024F0000-0x00000000025A7000-memory.dmp

          Filesize

          732KB

        • memory/372-41-0x00000000024F0000-0x00000000025A7000-memory.dmp

          Filesize

          732KB

        • memory/372-63-0x00000000024F0000-0x00000000025A7000-memory.dmp

          Filesize

          732KB

        • memory/372-40-0x00000000024F0000-0x00000000025A7000-memory.dmp

          Filesize

          732KB

        • memory/372-39-0x00000000024F0000-0x00000000025A7000-memory.dmp

          Filesize

          732KB

        • memory/372-50-0x00000000024F0000-0x00000000025A7000-memory.dmp

          Filesize

          732KB

        • memory/372-38-0x00000000024F0000-0x00000000025A7000-memory.dmp

          Filesize

          732KB

        • memory/372-37-0x00000000024F0000-0x00000000025A7000-memory.dmp

          Filesize

          732KB

        • memory/2716-0-0x0000000000600000-0x0000000000603000-memory.dmp

          Filesize

          12KB

        • memory/2716-1-0x0000000000400000-0x000000000045F000-memory.dmp

          Filesize

          380KB

        • memory/2716-16-0x0000000000400000-0x000000000045F000-memory.dmp

          Filesize

          380KB

        • memory/2716-15-0x0000000000600000-0x0000000000603000-memory.dmp

          Filesize

          12KB

        • memory/2716-14-0x0000000000400000-0x0000000000469000-memory.dmp

          Filesize

          420KB