Analysis

  • max time kernel
    95s
  • max time network
    102s
  • platform
    windows10-1703_x64
  • resource
    win10-20240221-en
  • resource tags

    arch:x64arch:x86image:win10-20240221-enlocale:en-usos:windows10-1703-x64system
  • submitted
    08-03-2024 20:17

General

  • Target

    https://u.to/BFtzIA

Score
4/10

Malware Config

Signatures

  • Drops file in Windows directory 4 IoCs
  • Modifies Internet Explorer settings 1 TTPs 2 IoCs
  • Modifies registry class 64 IoCs
  • Suspicious behavior: MapViewOfSection 4 IoCs
  • Suspicious use of AdjustPrivilegeToken 4 IoCs
  • Suspicious use of SetWindowsHookEx 4 IoCs
  • Suspicious use of WriteProcessMemory 30 IoCs

Processes

  • C:\Windows\system32\LaunchWinApp.exe
    "C:\Windows\system32\LaunchWinApp.exe" "https://u.to/BFtzIA"
    1⤵
      PID:4392
    • C:\Windows\SystemApps\Microsoft.MicrosoftEdge_8wekyb3d8bbwe\MicrosoftEdge.exe
      "C:\Windows\SystemApps\Microsoft.MicrosoftEdge_8wekyb3d8bbwe\MicrosoftEdge.exe" -ServerName:MicrosoftEdge.AppXdnhjhccw3zf0j06tkg3jtqr00qdm0khc.mca
      1⤵
      • Drops file in Windows directory
      • Modifies registry class
      • Suspicious use of SetWindowsHookEx
      PID:1868
    • C:\Windows\system32\browser_broker.exe
      C:\Windows\system32\browser_broker.exe -Embedding
      1⤵
      • Modifies Internet Explorer settings
      PID:4116
    • C:\Windows\SystemApps\Microsoft.MicrosoftEdge_8wekyb3d8bbwe\MicrosoftEdgeCP.exe
      "C:\Windows\SystemApps\Microsoft.MicrosoftEdge_8wekyb3d8bbwe\MicrosoftEdgeCP.exe" -ServerName:ContentProcess.AppX6z3cwk4fvgady6zya12j1cw28d228a7k.mca
      1⤵
      • Modifies registry class
      • Suspicious behavior: MapViewOfSection
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:4628
    • C:\Windows\SystemApps\Microsoft.MicrosoftEdge_8wekyb3d8bbwe\MicrosoftEdgeCP.exe
      "C:\Windows\SystemApps\Microsoft.MicrosoftEdge_8wekyb3d8bbwe\MicrosoftEdgeCP.exe" -ServerName:ContentProcess.AppX6z3cwk4fvgady6zya12j1cw28d228a7k.mca
      1⤵
      • Drops file in Windows directory
      • Modifies Internet Explorer settings
      • Modifies registry class
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      PID:2072
    • C:\Windows\SystemApps\Microsoft.MicrosoftEdge_8wekyb3d8bbwe\MicrosoftEdgeCP.exe
      "C:\Windows\SystemApps\Microsoft.MicrosoftEdge_8wekyb3d8bbwe\MicrosoftEdgeCP.exe" -ServerName:ContentProcess.AppX6z3cwk4fvgady6zya12j1cw28d228a7k.mca
      1⤵
      • Drops file in Windows directory
      • Modifies registry class
      PID:4124
    • C:\Windows\SystemApps\Microsoft.MicrosoftEdge_8wekyb3d8bbwe\MicrosoftEdgeCP.exe
      "C:\Windows\SystemApps\Microsoft.MicrosoftEdge_8wekyb3d8bbwe\MicrosoftEdgeCP.exe" -ServerName:ContentProcess.AppX6z3cwk4fvgady6zya12j1cw28d228a7k.mca
      1⤵
      • Modifies registry class
      PID:392

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

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    Downloads

    • C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\57C8EDB95DF3F0AD4EE2DC2B8CFD4157

      Filesize

      4KB

      MD5

      1bfe591a4fe3d91b03cdf26eaacd8f89

      SHA1

      719c37c320f518ac168c86723724891950911cea

      SHA256

      9cf94355051bf0f4a45724ca20d1cc02f76371b963ab7d1e38bd8997737b13d8

      SHA512

      02f88da4b610678c31664609bcfa9d61db8d0b0617649981af948f670f41a6207b4ec19fecce7385a24e0c609cbbf3f2b79a8acaf09a03c2c432cc4dce75e9db

    • C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\IE\3NZZSGF9\edgecompatviewlist[1].xml

      Filesize

      74KB

      MD5

      d4fc49dc14f63895d997fa4940f24378

      SHA1

      3efb1437a7c5e46034147cbbc8db017c69d02c31

      SHA256

      853d2f4eb81c9fdcea2ee079f6faf98214b111b77cdf68709b38989d123890f1

      SHA512

      cc60d79b4afe5007634ac21dc4bc92081880be4c0d798a1735b63b27e936c02f399964f744dc73711987f01e8a1064b02a4867dd6cac27538e5fbe275cc61e0a

    • C:\Users\Admin\AppData\Local\Packages\Microsoft.MicrosoftEdge_8wekyb3d8bbwe\AC\#!001\MicrosoftEdge\Cache\7IDU5L0U\jquery-ui[1].js

      Filesize

      458KB

      MD5

      c811575fd210af968e09caa681917b9b

      SHA1

      0bf0ff43044448711b33453388c3a24d99e6cc9c

      SHA256

      d2f0522008bff05c6434e48ac8f11f7464331436a4d5d96a14a058a81a75c82e

      SHA512

      d2234d9e8dcc96bca55fafb83bb327f87c29ae8433fc296c48be3ef8c9a21a0a4305e14823e75416951eecd6221f56fbbb8c89d44b244a27be7b6bea310f2fd1

    • C:\Users\Admin\AppData\Local\Packages\Microsoft.MicrosoftEdge_8wekyb3d8bbwe\AC\#!001\MicrosoftEdge\Cache\U3TYLKUF\jquery.min[1].js

      Filesize

      86KB

      MD5

      220afd743d9e9643852e31a135a9f3ae

      SHA1

      88523924351bac0b5d560fe0c5781e2556e7693d

      SHA256

      0925e8ad7bd971391a8b1e98be8e87a6971919eb5b60c196485941c3c1df089a

      SHA512

      6e722fce1e8553be592b1a741972c7f5b7b0cdafce230e9d2d587d20283482881c96660682e4095a5f14df45a96ec193a9b222030c53b1b7bbe8312b2eae440d

    • C:\Users\Admin\AppData\Local\Packages\Microsoft.MicrosoftEdge_8wekyb3d8bbwe\AC\MicrosoftEdge\Cache\YJ7CLWOO\suggestions[1].en-US

      Filesize

      17KB

      MD5

      5a34cb996293fde2cb7a4ac89587393a

      SHA1

      3c96c993500690d1a77873cd62bc639b3a10653f

      SHA256

      c6a5377cbc07eece33790cfc70572e12c7a48ad8296be25c0cc805a1f384dbad

      SHA512

      e1b7d0107733f81937415104e70f68b1be6fd0ca65dccf4ff72637943d44278d3a77f704aedff59d2dbc0d56a609b2590c8ec0dd6bc48ab30f1dad0c07a0a3ee

    • memory/1868-16-0x0000026323600000-0x0000026323610000-memory.dmp

      Filesize

      64KB

    • memory/1868-35-0x0000026322FC0000-0x0000026322FC2000-memory.dmp

      Filesize

      8KB

    • memory/1868-0-0x0000026322E20000-0x0000026322E30000-memory.dmp

      Filesize

      64KB

    • memory/4124-262-0x0000025542570000-0x0000025542572000-memory.dmp

      Filesize

      8KB

    • memory/4124-281-0x0000025542630000-0x0000025542632000-memory.dmp

      Filesize

      8KB

    • memory/4124-240-0x000002553DD10000-0x000002553DD12000-memory.dmp

      Filesize

      8KB

    • memory/4124-243-0x000002553EA10000-0x000002553EA12000-memory.dmp

      Filesize

      8KB

    • memory/4124-246-0x000002553F2F0000-0x000002553F2F2000-memory.dmp

      Filesize

      8KB

    • memory/4124-248-0x0000025541CF0000-0x0000025541CF2000-memory.dmp

      Filesize

      8KB

    • memory/4124-164-0x000002553E080000-0x000002553E0A0000-memory.dmp

      Filesize

      128KB

    • memory/4124-266-0x0000025542590000-0x0000025542592000-memory.dmp

      Filesize

      8KB

    • memory/4124-270-0x00000255425E0000-0x00000255425E2000-memory.dmp

      Filesize

      8KB

    • memory/4124-274-0x0000025542600000-0x0000025542602000-memory.dmp

      Filesize

      8KB

    • memory/4124-277-0x0000025542620000-0x0000025542622000-memory.dmp

      Filesize

      8KB

    • memory/4124-176-0x000002553ED00000-0x000002553ED20000-memory.dmp

      Filesize

      128KB

    • memory/4124-284-0x0000025542650000-0x0000025542652000-memory.dmp

      Filesize

      8KB

    • memory/4124-286-0x0000025542670000-0x0000025542672000-memory.dmp

      Filesize

      8KB

    • memory/4124-290-0x0000025542690000-0x0000025542692000-memory.dmp

      Filesize

      8KB

    • memory/4124-293-0x00000255426A0000-0x00000255426A2000-memory.dmp

      Filesize

      8KB

    • memory/4124-317-0x0000025542970000-0x0000025542972000-memory.dmp

      Filesize

      8KB

    • memory/4124-319-0x0000025542980000-0x0000025542982000-memory.dmp

      Filesize

      8KB

    • memory/4124-69-0x000002552C590000-0x000002552C592000-memory.dmp

      Filesize

      8KB

    • memory/4124-67-0x000002552C570000-0x000002552C572000-memory.dmp

      Filesize

      8KB

    • memory/4124-64-0x000002552C530000-0x000002552C532000-memory.dmp

      Filesize

      8KB