Analysis

  • max time kernel
    149s
  • max time network
    151s
  • platform
    windows7_x64
  • resource
    win7-20240708-en
  • resource tags

    arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system
  • submitted
    29/09/2024, 22:24

General

  • Target

    5b46509d5d21258c81ae0fc70580298f879dfaec1dd07fd3a18fc03edae13f37N.exe

  • Size

    201KB

  • MD5

    6c38d1f87d3a0243b9a311d60fcbf0f0

  • SHA1

    ede8f3ee2d626f036c3359a00438eb0952d29982

  • SHA256

    5b46509d5d21258c81ae0fc70580298f879dfaec1dd07fd3a18fc03edae13f37

  • SHA512

    f3d9af9ed8fbed28eab8b3ffb46d9536d19b1cfb7a6d71ec28fcb053c78993cfa7773656632281e8d03a1f4f01d2f92f1f5b3e3e509608c0a698e43267abad91

  • SSDEEP

    6144:Xt++Jbojf5Vq5OC4qZhZcKYhc/ZfUozY:c+cff22qZhZcKYhc/

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

    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 Program Files directory 28 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 1 IoCs
  • Suspicious behavior: RenamesItself 1 IoCs
  • Suspicious use of WriteProcessMemory 4 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\5b46509d5d21258c81ae0fc70580298f879dfaec1dd07fd3a18fc03edae13f37N.exe
    "C:\Users\Admin\AppData\Local\Temp\5b46509d5d21258c81ae0fc70580298f879dfaec1dd07fd3a18fc03edae13f37N.exe"
    1⤵
    • Loads dropped DLL
    • Modifies WinLogon
    • Drops file in Windows directory
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: RenamesItself
    • Suspicious use of WriteProcessMemory
    PID:2080
    • C:\Windows\apppatch\svchost.exe
      "C:\Windows\apppatch\svchost.exe"
      2⤵
      • Modifies WinLogon for persistence
      • Executes dropped EXE
      • Modifies WinLogon
      • Drops file in Program Files directory
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      PID:1352

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        • C:\Program Files (x86)\Windows Defender\gahyqah.com

          Filesize

          24KB

          MD5

          5d95430abe279bed3119ea271a154d28

          SHA1

          0f4b27a91ddd9beeb23f8a32a46dd5b38b4bcfcd

          SHA256

          18c4a285c53b79731a8321c4b8f215c3f85daf985615887ab90e272860e4459e

          SHA512

          951718ceec20b367088fc16417eb431e27cebfca63b7e5c5ca436c885d61a9923302fa2b3f44d63dbce0ba1794baf7c03c0245c06250ac73eb4c37b5b4169451

        • C:\Program Files (x86)\Windows Defender\galynuh.com

          Filesize

          593B

          MD5

          926512864979bc27cf187f1de3f57aff

          SHA1

          acdeb9d6187932613c7fa08eaf28f0cd8116f4b5

          SHA256

          b3e893a653ec06c05ee90f2f6e98cc052a92f6616d7cca8c416420e178dcc73f

          SHA512

          f6f9fd3ca9305bec879cfcd38e64111a18e65e30d25c49e9f2cd546cbab9b2dcd03eca81952f6b77c0eaab20192ef7bef0d8d434f6f371811929e75f8620633b

        • C:\Program Files (x86)\Windows Defender\pupydeq.com

          Filesize

          114B

          MD5

          bfde1e9e9c32c1681a16139450c6909d

          SHA1

          7e669b927e6a75a10a0ca29e38e58ddcb49b725e

          SHA256

          e0d020ba1cb6506cee234903a44c747ee0cfa7e2d1e60029e4cd8de9a431512a

          SHA512

          781fd54f155442dd34f9919b3cd063ee399db411bbfe15f2bdc43d3ab8ac2d04e1011b2c99fab42bebf7b903a94e09aaaef71b7a465d2d04b417f6dad8e8e396

        • \Windows\AppPatch\svchost.exe

          Filesize

          201KB

          MD5

          fa02188c0d5fdab7c4e6418317b453f8

          SHA1

          61a5d0717ba06a5874dc492f87065fd0ad868675

          SHA256

          ca1bbe91efc4e8a7b36dc32b7eb4a9b1783bcaafd6771418533caa82551f7f94

          SHA512

          9d79a6cca0ed83734c2f795c11337c4fa0aaf7a983b854da838b19687517072034c1e5e3844fd9a00ea677168667d1709f1c183137441562d7b1824506f3cbd3

        • memory/1352-69-0x0000000002530000-0x00000000025E2000-memory.dmp

          Filesize

          712KB

        • memory/1352-59-0x0000000002530000-0x00000000025E2000-memory.dmp

          Filesize

          712KB

        • memory/1352-20-0x0000000000400000-0x0000000000491000-memory.dmp

          Filesize

          580KB

        • memory/1352-17-0x0000000000400000-0x0000000000491000-memory.dmp

          Filesize

          580KB

        • memory/1352-21-0x0000000000400000-0x0000000000491000-memory.dmp

          Filesize

          580KB

        • memory/1352-30-0x0000000001CF0000-0x0000000001D94000-memory.dmp

          Filesize

          656KB

        • memory/1352-28-0x0000000001CF0000-0x0000000001D94000-memory.dmp

          Filesize

          656KB

        • memory/1352-33-0x0000000000400000-0x0000000000491000-memory.dmp

          Filesize

          580KB

        • memory/1352-24-0x0000000001CF0000-0x0000000001D94000-memory.dmp

          Filesize

          656KB

        • memory/1352-22-0x0000000001CF0000-0x0000000001D94000-memory.dmp

          Filesize

          656KB

        • memory/1352-32-0x0000000001CF0000-0x0000000001D94000-memory.dmp

          Filesize

          656KB

        • memory/1352-34-0x0000000002530000-0x00000000025E2000-memory.dmp

          Filesize

          712KB

        • memory/1352-38-0x0000000002530000-0x00000000025E2000-memory.dmp

          Filesize

          712KB

        • memory/1352-36-0x0000000002530000-0x00000000025E2000-memory.dmp

          Filesize

          712KB

        • memory/1352-47-0x0000000002530000-0x00000000025E2000-memory.dmp

          Filesize

          712KB

        • memory/1352-50-0x0000000002530000-0x00000000025E2000-memory.dmp

          Filesize

          712KB

        • memory/1352-84-0x0000000002530000-0x00000000025E2000-memory.dmp

          Filesize

          712KB

        • memory/1352-83-0x0000000002530000-0x00000000025E2000-memory.dmp

          Filesize

          712KB

        • memory/1352-82-0x0000000002530000-0x00000000025E2000-memory.dmp

          Filesize

          712KB

        • memory/1352-81-0x0000000002530000-0x00000000025E2000-memory.dmp

          Filesize

          712KB

        • memory/1352-80-0x0000000002530000-0x00000000025E2000-memory.dmp

          Filesize

          712KB

        • memory/1352-79-0x0000000002530000-0x00000000025E2000-memory.dmp

          Filesize

          712KB

        • memory/1352-78-0x0000000002530000-0x00000000025E2000-memory.dmp

          Filesize

          712KB

        • memory/1352-77-0x0000000002530000-0x00000000025E2000-memory.dmp

          Filesize

          712KB

        • memory/1352-75-0x0000000002530000-0x00000000025E2000-memory.dmp

          Filesize

          712KB

        • memory/1352-74-0x0000000002530000-0x00000000025E2000-memory.dmp

          Filesize

          712KB

        • memory/1352-73-0x0000000002530000-0x00000000025E2000-memory.dmp

          Filesize

          712KB

        • memory/1352-72-0x0000000002530000-0x00000000025E2000-memory.dmp

          Filesize

          712KB

        • memory/1352-71-0x0000000002530000-0x00000000025E2000-memory.dmp

          Filesize

          712KB

        • memory/1352-70-0x0000000002530000-0x00000000025E2000-memory.dmp

          Filesize

          712KB

        • memory/1352-41-0x0000000002530000-0x00000000025E2000-memory.dmp

          Filesize

          712KB

        • memory/1352-66-0x0000000002530000-0x00000000025E2000-memory.dmp

          Filesize

          712KB

        • memory/1352-26-0x0000000001CF0000-0x0000000001D94000-memory.dmp

          Filesize

          656KB

        • memory/1352-68-0x0000000002530000-0x00000000025E2000-memory.dmp

          Filesize

          712KB

        • memory/1352-65-0x0000000002530000-0x00000000025E2000-memory.dmp

          Filesize

          712KB

        • memory/1352-64-0x0000000002530000-0x00000000025E2000-memory.dmp

          Filesize

          712KB

        • memory/1352-63-0x0000000002530000-0x00000000025E2000-memory.dmp

          Filesize

          712KB

        • memory/1352-62-0x0000000002530000-0x00000000025E2000-memory.dmp

          Filesize

          712KB

        • memory/1352-61-0x0000000002530000-0x00000000025E2000-memory.dmp

          Filesize

          712KB

        • memory/1352-60-0x0000000002530000-0x00000000025E2000-memory.dmp

          Filesize

          712KB

        • memory/1352-67-0x0000000002530000-0x00000000025E2000-memory.dmp

          Filesize

          712KB

        • memory/1352-58-0x0000000002530000-0x00000000025E2000-memory.dmp

          Filesize

          712KB

        • memory/1352-57-0x0000000002530000-0x00000000025E2000-memory.dmp

          Filesize

          712KB

        • memory/1352-56-0x0000000002530000-0x00000000025E2000-memory.dmp

          Filesize

          712KB

        • memory/1352-54-0x0000000002530000-0x00000000025E2000-memory.dmp

          Filesize

          712KB

        • memory/1352-53-0x0000000002530000-0x00000000025E2000-memory.dmp

          Filesize

          712KB

        • memory/1352-52-0x0000000002530000-0x00000000025E2000-memory.dmp

          Filesize

          712KB

        • memory/1352-51-0x0000000002530000-0x00000000025E2000-memory.dmp

          Filesize

          712KB

        • memory/1352-49-0x0000000002530000-0x00000000025E2000-memory.dmp

          Filesize

          712KB

        • memory/1352-48-0x0000000002530000-0x00000000025E2000-memory.dmp

          Filesize

          712KB

        • memory/1352-46-0x0000000002530000-0x00000000025E2000-memory.dmp

          Filesize

          712KB

        • memory/1352-76-0x0000000002530000-0x00000000025E2000-memory.dmp

          Filesize

          712KB

        • memory/1352-44-0x0000000002530000-0x00000000025E2000-memory.dmp

          Filesize

          712KB

        • memory/1352-43-0x0000000002530000-0x00000000025E2000-memory.dmp

          Filesize

          712KB

        • memory/1352-42-0x0000000002530000-0x00000000025E2000-memory.dmp

          Filesize

          712KB

        • memory/1352-40-0x0000000002530000-0x00000000025E2000-memory.dmp

          Filesize

          712KB

        • memory/1352-55-0x0000000002530000-0x00000000025E2000-memory.dmp

          Filesize

          712KB

        • memory/1352-45-0x0000000002530000-0x00000000025E2000-memory.dmp

          Filesize

          712KB

        • memory/2080-0-0x0000000000400000-0x0000000000491000-memory.dmp

          Filesize

          580KB

        • memory/2080-19-0x0000000000400000-0x000000000045C000-memory.dmp

          Filesize

          368KB

        • memory/2080-2-0x0000000000400000-0x000000000045C000-memory.dmp

          Filesize

          368KB

        • memory/2080-1-0x00000000002C0000-0x000000000030F000-memory.dmp

          Filesize

          316KB

        • memory/2080-18-0x00000000002C0000-0x000000000030F000-memory.dmp

          Filesize

          316KB

        • memory/2080-16-0x0000000000400000-0x0000000000491000-memory.dmp

          Filesize

          580KB