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Analysis

  • max time kernel
    113s
  • max time network
    119s
  • platform
    windows7_x64
  • resource
    win7-20241023-en
  • resource tags

    arch:x64arch:x86image:win7-20241023-enlocale:en-usos:windows7-x64system
  • submitted
    17/12/2024, 19:16

General

  • Target

    fd8b5802f4ae9db0248467e727d2a98b58f95ea2d8c060c140769446dbc0351c.exe

  • Size

    204KB

  • MD5

    4c60d92c2c5b2293b1b4b746dabd6866

  • SHA1

    0c45715bb04dae2ddc5ba3334f797cc6d8c5d761

  • SHA256

    fd8b5802f4ae9db0248467e727d2a98b58f95ea2d8c060c140769446dbc0351c

  • SHA512

    ec6c9308e786264d959f3684444028b1fc956886369af3eccadfed356d1430aef3e1f2ec647b6df725a09be16a26dc3d0c86b651c48a52350fdf3b63a8d9589b

  • SSDEEP

    3072:U5u7yT4TVbkuRaX1w71jnRkCoyJTarYWbV+HOFxg+z1WxJsqWkoyjOowUVl/TlA4:ULexkuRaX41xoyJV65gzyZko+uch

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\fd8b5802f4ae9db0248467e727d2a98b58f95ea2d8c060c140769446dbc0351c.exe
    "C:\Users\Admin\AppData\Local\Temp\fd8b5802f4ae9db0248467e727d2a98b58f95ea2d8c060c140769446dbc0351c.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:1988
    • 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:2912

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • \Windows\AppPatch\svchost.exe

    Filesize

    204KB

    MD5

    9ca2f7a0f523320ab732b1a9fc20e881

    SHA1

    30eb2d711fb5fcae1e6bef50663dc871d2198e1a

    SHA256

    677128ad7929212cd0e75cac27dcabc66ca20274ea78b10c5a70241be1daa1ae

    SHA512

    140c8e68e2caaa099c41d0ed39199aae88f75d39c502e9c2b60ede597c2314042b2085e4f130d8e60aafe29db392ab90facec578f6318d268a3e3bafa46b19a2

  • memory/1988-0-0x0000000000400000-0x000000000057D000-memory.dmp

    Filesize

    1.5MB

  • memory/1988-1-0x0000000000580000-0x00000000005D1000-memory.dmp

    Filesize

    324KB

  • memory/1988-2-0x0000000000400000-0x000000000045F000-memory.dmp

    Filesize

    380KB

  • memory/1988-20-0x0000000000400000-0x000000000045F000-memory.dmp

    Filesize

    380KB

  • memory/1988-19-0x0000000000580000-0x00000000005D1000-memory.dmp

    Filesize

    324KB

  • memory/1988-18-0x0000000000400000-0x000000000057D000-memory.dmp

    Filesize

    1.5MB

  • memory/2912-16-0x0000000000400000-0x000000000057D000-memory.dmp

    Filesize

    1.5MB

  • memory/2912-17-0x0000000000400000-0x000000000057D000-memory.dmp

    Filesize

    1.5MB

  • memory/2912-21-0x0000000000400000-0x000000000057D000-memory.dmp

    Filesize

    1.5MB

  • memory/2912-22-0x00000000026C0000-0x0000000002768000-memory.dmp

    Filesize

    672KB

  • memory/2912-32-0x00000000026C0000-0x0000000002768000-memory.dmp

    Filesize

    672KB

  • memory/2912-30-0x00000000026C0000-0x0000000002768000-memory.dmp

    Filesize

    672KB

  • memory/2912-33-0x0000000000400000-0x000000000057D000-memory.dmp

    Filesize

    1.5MB

  • memory/2912-28-0x00000000026C0000-0x0000000002768000-memory.dmp

    Filesize

    672KB

  • memory/2912-26-0x00000000026C0000-0x0000000002768000-memory.dmp

    Filesize

    672KB

  • memory/2912-24-0x00000000026C0000-0x0000000002768000-memory.dmp

    Filesize

    672KB

  • memory/2912-34-0x0000000002870000-0x0000000002926000-memory.dmp

    Filesize

    728KB

  • memory/2912-36-0x0000000002870000-0x0000000002926000-memory.dmp

    Filesize

    728KB

  • memory/2912-38-0x0000000002870000-0x0000000002926000-memory.dmp

    Filesize

    728KB

  • memory/2912-48-0x0000000002870000-0x0000000002926000-memory.dmp

    Filesize

    728KB

  • memory/2912-70-0x0000000002870000-0x0000000002926000-memory.dmp

    Filesize

    728KB

  • memory/2912-84-0x0000000002870000-0x0000000002926000-memory.dmp

    Filesize

    728KB

  • memory/2912-83-0x0000000002870000-0x0000000002926000-memory.dmp

    Filesize

    728KB

  • memory/2912-82-0x0000000002870000-0x0000000002926000-memory.dmp

    Filesize

    728KB

  • memory/2912-81-0x0000000002870000-0x0000000002926000-memory.dmp

    Filesize

    728KB

  • memory/2912-80-0x0000000002870000-0x0000000002926000-memory.dmp

    Filesize

    728KB

  • memory/2912-79-0x0000000002870000-0x0000000002926000-memory.dmp

    Filesize

    728KB

  • memory/2912-78-0x0000000002870000-0x0000000002926000-memory.dmp

    Filesize

    728KB

  • memory/2912-77-0x0000000002870000-0x0000000002926000-memory.dmp

    Filesize

    728KB

  • memory/2912-76-0x0000000002870000-0x0000000002926000-memory.dmp

    Filesize

    728KB

  • memory/2912-75-0x0000000002870000-0x0000000002926000-memory.dmp

    Filesize

    728KB

  • memory/2912-74-0x0000000002870000-0x0000000002926000-memory.dmp

    Filesize

    728KB

  • memory/2912-73-0x0000000002870000-0x0000000002926000-memory.dmp

    Filesize

    728KB

  • memory/2912-72-0x0000000002870000-0x0000000002926000-memory.dmp

    Filesize

    728KB

  • memory/2912-71-0x0000000002870000-0x0000000002926000-memory.dmp

    Filesize

    728KB

  • memory/2912-69-0x0000000002870000-0x0000000002926000-memory.dmp

    Filesize

    728KB

  • memory/2912-68-0x0000000002870000-0x0000000002926000-memory.dmp

    Filesize

    728KB

  • memory/2912-67-0x0000000002870000-0x0000000002926000-memory.dmp

    Filesize

    728KB

  • memory/2912-66-0x0000000002870000-0x0000000002926000-memory.dmp

    Filesize

    728KB

  • memory/2912-65-0x0000000002870000-0x0000000002926000-memory.dmp

    Filesize

    728KB

  • memory/2912-64-0x0000000002870000-0x0000000002926000-memory.dmp

    Filesize

    728KB

  • memory/2912-63-0x0000000002870000-0x0000000002926000-memory.dmp

    Filesize

    728KB

  • memory/2912-62-0x0000000002870000-0x0000000002926000-memory.dmp

    Filesize

    728KB

  • memory/2912-61-0x0000000002870000-0x0000000002926000-memory.dmp

    Filesize

    728KB

  • memory/2912-60-0x0000000002870000-0x0000000002926000-memory.dmp

    Filesize

    728KB

  • memory/2912-59-0x0000000002870000-0x0000000002926000-memory.dmp

    Filesize

    728KB

  • memory/2912-58-0x0000000002870000-0x0000000002926000-memory.dmp

    Filesize

    728KB

  • memory/2912-57-0x0000000002870000-0x0000000002926000-memory.dmp

    Filesize

    728KB

  • memory/2912-56-0x0000000002870000-0x0000000002926000-memory.dmp

    Filesize

    728KB

  • memory/2912-55-0x0000000002870000-0x0000000002926000-memory.dmp

    Filesize

    728KB

  • memory/2912-54-0x0000000002870000-0x0000000002926000-memory.dmp

    Filesize

    728KB

  • memory/2912-53-0x0000000002870000-0x0000000002926000-memory.dmp

    Filesize

    728KB

  • memory/2912-52-0x0000000002870000-0x0000000002926000-memory.dmp

    Filesize

    728KB

  • memory/2912-51-0x0000000002870000-0x0000000002926000-memory.dmp

    Filesize

    728KB

  • memory/2912-50-0x0000000002870000-0x0000000002926000-memory.dmp

    Filesize

    728KB

  • memory/2912-49-0x0000000002870000-0x0000000002926000-memory.dmp

    Filesize

    728KB

  • memory/2912-47-0x0000000002870000-0x0000000002926000-memory.dmp

    Filesize

    728KB

  • memory/2912-46-0x0000000002870000-0x0000000002926000-memory.dmp

    Filesize

    728KB

  • memory/2912-45-0x0000000002870000-0x0000000002926000-memory.dmp

    Filesize

    728KB

  • memory/2912-44-0x0000000002870000-0x0000000002926000-memory.dmp

    Filesize

    728KB

  • memory/2912-40-0x0000000002870000-0x0000000002926000-memory.dmp

    Filesize

    728KB

  • memory/2912-43-0x0000000002870000-0x0000000002926000-memory.dmp

    Filesize

    728KB

  • memory/2912-42-0x0000000002870000-0x0000000002926000-memory.dmp

    Filesize

    728KB

  • memory/2912-41-0x0000000002870000-0x0000000002926000-memory.dmp

    Filesize

    728KB