Analysis

  • max time kernel
    119s
  • max time network
    119s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    25/11/2024, 15:06

General

  • Target
    80bcc7a9ff152fe4904e1b2e0ab11e1eee1f5b5c6fd1d68a9179d7bd4560e8a3N.exe
  • Size 375KB
  • Sample241125-sg67psypap
  • SHA256 80bcc7a9ff152fe4904e1b2e0ab11e1eee1f5b5c6fd1d68a9179d7bd4560e8a3
  • MD5 SHA1 SHA512 SSDEEP

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
  • 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 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\80bcc7a9ff152fe4904e1b2e0ab11e1eee1f5b5c6fd1d68a9179d7bd4560e8a3N.exe
    "C:\Users\Admin\AppData\Local\Temp\80bcc7a9ff152fe4904e1b2e0ab11e1eee1f5b5c6fd1d68a9179d7bd4560e8a3N.exe"
    1⤵
    • Modifies WinLogon
    • Drops file in Windows directory
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious behavior: RenamesItself
    • Suspicious use of WriteProcessMemory
    PID:1476
    • 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:4324

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        login[1].htm

        • Path C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\IE\9IEW0KLU\login[1].htm
        • Size 168B
        • SHA256 43edf068d34276e8ade4113d4d7207de19fc98a2ae1c07298e593edae2a8774c
        • MD5 SHA1 SHA512

        21C.tmp

        • Path C:\Users\Admin\AppData\Local\Temp\21C.tmp
        • Size 42KB
        • SHA256 9bf5a74a944cef9a7dd61718424514db273ce857a6f950a118dd51b09160a529
        • MD5 SHA1 SHA512 SSDEEP

        21C.tmp

        • Path C:\Users\Admin\AppData\Local\Temp\21C.tmp
        • Size 42KB
        • SHA256 8d3932c100663cb43aaa5fa0179847962757a137f7634a6c59c3ae35c361a185
        • MD5 SHA1 SHA512 SSDEEP

        F06E.tmp

        • Path C:\Users\Admin\AppData\Local\Temp\F06E.tmp
        • Size 593B
        • SHA256 7392749832c70fcfc2d440d7afc2f880000dd564930d95d634eb1199fa15de30
        • MD5 SHA1 SHA512

        F06E.tmp

        • Path C:\Users\Admin\AppData\Local\Temp\F06E.tmp
        • Size 593B
        • SHA256 b3e893a653ec06c05ee90f2f6e98cc052a92f6616d7cca8c416420e178dcc73f
        • MD5 SHA1 SHA512

        svchost.exe

        • Path C:\Windows\apppatch\svchost.exe
        • Size 375KB
        • SHA256 49c6ec96bc13e08b1582026c4de960a7998fd95e5757fcce8fd88a85081f3a9b
        • MD5 SHA1 SHA512 SSDEEP

        memory/1476-0-0x0000000000400000-0x0000000000464000-memory.dmp

        memory/1476-12-0x0000000000400000-0x0000000000464000-memory.dmp

        memory/4324-51-0x0000000002B40000-0x0000000002BF6000-memory.dmp

        memory/4324-45-0x0000000002B40000-0x0000000002BF6000-memory.dmp

        memory/4324-16-0x0000000002B40000-0x0000000002BF6000-memory.dmp

        memory/4324-27-0x0000000002B40000-0x0000000002BF6000-memory.dmp

        memory/4324-29-0x0000000002B40000-0x0000000002BF6000-memory.dmp

        memory/4324-76-0x0000000002B40000-0x0000000002BF6000-memory.dmp

        memory/4324-75-0x0000000002B40000-0x0000000002BF6000-memory.dmp

        memory/4324-74-0x0000000002B40000-0x0000000002BF6000-memory.dmp

        memory/4324-73-0x0000000002B40000-0x0000000002BF6000-memory.dmp

        memory/4324-72-0x0000000002B40000-0x0000000002BF6000-memory.dmp

        memory/4324-71-0x0000000002B40000-0x0000000002BF6000-memory.dmp

        memory/4324-69-0x0000000002B40000-0x0000000002BF6000-memory.dmp

        memory/4324-68-0x0000000002B40000-0x0000000002BF6000-memory.dmp

        memory/4324-67-0x0000000002B40000-0x0000000002BF6000-memory.dmp

        memory/4324-66-0x0000000002B40000-0x0000000002BF6000-memory.dmp

        memory/4324-65-0x0000000002B40000-0x0000000002BF6000-memory.dmp

        memory/4324-64-0x0000000002B40000-0x0000000002BF6000-memory.dmp

        memory/4324-63-0x0000000002B40000-0x0000000002BF6000-memory.dmp

        memory/4324-62-0x0000000002B40000-0x0000000002BF6000-memory.dmp

        memory/4324-61-0x0000000002B40000-0x0000000002BF6000-memory.dmp

        memory/4324-60-0x0000000002B40000-0x0000000002BF6000-memory.dmp

        memory/4324-59-0x0000000002B40000-0x0000000002BF6000-memory.dmp

        memory/4324-58-0x0000000002B40000-0x0000000002BF6000-memory.dmp

        memory/4324-57-0x0000000002B40000-0x0000000002BF6000-memory.dmp

        memory/4324-56-0x0000000002B40000-0x0000000002BF6000-memory.dmp

        memory/4324-55-0x0000000002B40000-0x0000000002BF6000-memory.dmp

        memory/4324-53-0x0000000002B40000-0x0000000002BF6000-memory.dmp

        memory/4324-52-0x0000000002B40000-0x0000000002BF6000-memory.dmp

        memory/4324-19-0x0000000002B40000-0x0000000002BF6000-memory.dmp

        memory/4324-49-0x0000000002B40000-0x0000000002BF6000-memory.dmp

        memory/4324-17-0x0000000002B40000-0x0000000002BF6000-memory.dmp

        memory/4324-48-0x0000000002B40000-0x0000000002BF6000-memory.dmp

        memory/4324-38-0x0000000002B40000-0x0000000002BF6000-memory.dmp

        memory/4324-47-0x0000000002B40000-0x0000000002BF6000-memory.dmp

        memory/4324-44-0x0000000002B40000-0x0000000002BF6000-memory.dmp

        memory/4324-43-0x0000000002B40000-0x0000000002BF6000-memory.dmp

        memory/4324-42-0x0000000002B40000-0x0000000002BF6000-memory.dmp

        memory/4324-41-0x0000000002B40000-0x0000000002BF6000-memory.dmp

        memory/4324-40-0x0000000002B40000-0x0000000002BF6000-memory.dmp

        memory/4324-39-0x0000000002B40000-0x0000000002BF6000-memory.dmp

        memory/4324-46-0x0000000002B40000-0x0000000002BF6000-memory.dmp

        memory/4324-37-0x0000000002B40000-0x0000000002BF6000-memory.dmp

        memory/4324-36-0x0000000002B40000-0x0000000002BF6000-memory.dmp

        memory/4324-35-0x0000000002B40000-0x0000000002BF6000-memory.dmp

        memory/4324-34-0x0000000002B40000-0x0000000002BF6000-memory.dmp

        memory/4324-33-0x0000000002B40000-0x0000000002BF6000-memory.dmp

        memory/4324-32-0x0000000002B40000-0x0000000002BF6000-memory.dmp

        memory/4324-31-0x0000000002B40000-0x0000000002BF6000-memory.dmp

        memory/4324-30-0x0000000002B40000-0x0000000002BF6000-memory.dmp

        memory/4324-28-0x0000000002B40000-0x0000000002BF6000-memory.dmp

        memory/4324-26-0x0000000002B40000-0x0000000002BF6000-memory.dmp

        memory/4324-24-0x0000000002B40000-0x0000000002BF6000-memory.dmp

        memory/4324-23-0x0000000002B40000-0x0000000002BF6000-memory.dmp

        memory/4324-70-0x0000000002B40000-0x0000000002BF6000-memory.dmp

        memory/4324-54-0x0000000002B40000-0x0000000002BF6000-memory.dmp

        memory/4324-50-0x0000000002B40000-0x0000000002BF6000-memory.dmp

        memory/4324-25-0x0000000002B40000-0x0000000002BF6000-memory.dmp

        memory/4324-22-0x0000000002B40000-0x0000000002BF6000-memory.dmp

        memory/4324-21-0x0000000002B40000-0x0000000002BF6000-memory.dmp

        memory/4324-13-0x0000000002730000-0x00000000027D8000-memory.dmp

        memory/4324-10-0x0000000000400000-0x0000000000464000-memory.dmp

        memory/4324-20-0x0000000002B40000-0x0000000002BF6000-memory.dmp

        memory/4324-157-0x0000000000400000-0x0000000000464000-memory.dmp

        memory/4324-158-0x0000000002B40000-0x0000000002BF6000-memory.dmp