Analysis

  • max time kernel
    144s
  • max time network
    142s
  • platform
    windows10-1703_x64
  • resource
    win10-20240404-en
  • resource tags

    arch:x64arch:x86image:win10-20240404-enlocale:en-usos:windows10-1703-x64system
  • submitted
    24-09-2024 10:50

General

  • Target

    https://fex.net/s/f8nk0ft

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 21 IoCs

Processes

  • C:\Windows\system32\LaunchWinApp.exe
    "C:\Windows\system32\LaunchWinApp.exe" "https://fex.net/s/f8nk0ft"
    1⤵
      PID:2384
    • 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:1984
    • C:\Windows\system32\browser_broker.exe
      C:\Windows\system32\browser_broker.exe -Embedding
      1⤵
      • Modifies Internet Explorer settings
      PID:3140
    • C:\Windows\SystemApps\Microsoft.MicrosoftEdge_8wekyb3d8bbwe\MicrosoftEdgeCP.exe
      "C:\Windows\SystemApps\Microsoft.MicrosoftEdge_8wekyb3d8bbwe\MicrosoftEdgeCP.exe" -ServerName:ContentProcess.AppX6z3cwk4fvgady6zya12j1cw28d228a7k.mca
      1⤵
      • Suspicious behavior: MapViewOfSection
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:5044
    • 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:5112
    • 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:3920
    • 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:4980

    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\L5P12AEX\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\C79S26J5\f[1].txt

      Filesize

      182KB

      MD5

      fe8c33f2fd2e44d0a3ee488db1207a8a

      SHA1

      36663d06fd015de990eb2800068fb7f00668e3f5

      SHA256

      dea798c58c0c8ae0245da6ed52c488d17dc404f4c0b82550aa4d875bb0ecf0f3

      SHA512

      32a0a7dcb1055fef63baa637f23719284cfaddb0b6ec738f1700555e75d1240e0ddecad35ef143e9af7a916ead641a11593433b3c226f0c26487b5e64df21c4f

    • C:\Users\Admin\AppData\Local\Packages\Microsoft.MicrosoftEdge_8wekyb3d8bbwe\AC\#!001\MicrosoftEdge\User\Default\DOMStore\N1RGBLNY\fex[1].xml

      Filesize

      270B

      MD5

      f334a2b8f5625ea1968c8dd2e1aa0ecc

      SHA1

      033fbec8116b700220ce502c9eb8fb2dc78338e5

      SHA256

      bbb74c26032fc9c8bcb53796094c40490babb5be3435c9e13a3f8ef1b0909cdd

      SHA512

      f2bd6eec9c3d9ead8b4795022cae0fc8b520ce89e12ae7837a30b47c926a86b92e50126db4afe70647e7f4140ec31db6f5b1d9d4e3e112211f1a57583a0e7154

    • C:\Users\Admin\AppData\Local\Packages\Microsoft.MicrosoftEdge_8wekyb3d8bbwe\AC\#!001\MicrosoftEdge\User\Default\DOMStore\N1RGBLNY\fex[1].xml

      Filesize

      13B

      MD5

      c1ddea3ef6bbef3e7060a1a9ad89e4c5

      SHA1

      35e3224fcbd3e1af306f2b6a2c6bbea9b0867966

      SHA256

      b71e4d17274636b97179ba2d97c742735b6510eb54f22893d3a2daff2ceb28db

      SHA512

      6be8cec7c862afae5b37aa32dc5bb45912881a3276606da41bf808a4ef92c318b355e616bf45a257b995520d72b7c08752c0be445dceade5cf79f73480910fed

    • C:\Users\Admin\AppData\Local\Packages\Microsoft.MicrosoftEdge_8wekyb3d8bbwe\AC\MicrosoftEdge\Cache\ISELDIQ1\favicon-32x32[1].png

      Filesize

      893B

      MD5

      4af53ecb084e07d8094eff63c80ca2de

      SHA1

      4a98bbaef12853ac933729f8113a7d3c2c1d0b76

      SHA256

      13e3244df064b153bb60e3ebceb08508c51635e596302b5604bc6876b6376884

      SHA512

      37d2f7191525d872b1bef2dac0ba2b72ac22beab3ef2bbd0b863cd32cbaf6d8d10efb9a6fb9a87ff335338001dd8552434052735af50c9edc0f2b4f77b8a3266

    • C:\Users\Admin\AppData\Local\Packages\Microsoft.MicrosoftEdge_8wekyb3d8bbwe\AC\MicrosoftEdge\Cache\KR34W2DL\suggestions[1].en-US

      Filesize

      17KB

      MD5

      5a34cb996293fde2cb7a4ac89587393a

      SHA1

      3c96c993500690d1a77873cd62bc639b3a10653f

      SHA256

      c6a5377cbc07eece33790cfc70572e12c7a48ad8296be25c0cc805a1f384dbad

      SHA512

      e1b7d0107733f81937415104e70f68b1be6fd0ca65dccf4ff72637943d44278d3a77f704aedff59d2dbc0d56a609b2590c8ec0dd6bc48ab30f1dad0c07a0a3ee

    • memory/1984-16-0x000001DEBB420000-0x000001DEBB430000-memory.dmp

      Filesize

      64KB

    • memory/1984-0-0x000001DEBB320000-0x000001DEBB330000-memory.dmp

      Filesize

      64KB

    • memory/1984-35-0x000001DEB85F0000-0x000001DEB85F2000-memory.dmp

      Filesize

      8KB

    • memory/3920-292-0x0000013472080000-0x0000013472082000-memory.dmp

      Filesize

      8KB

    • memory/3920-326-0x000001345F280000-0x000001345F290000-memory.dmp

      Filesize

      64KB

    • memory/3920-284-0x0000013471E00000-0x0000013471E02000-memory.dmp

      Filesize

      8KB

    • memory/3920-286-0x0000013471E20000-0x0000013471E22000-memory.dmp

      Filesize

      8KB

    • memory/3920-267-0x0000013473700000-0x0000013473800000-memory.dmp

      Filesize

      1024KB

    • memory/3920-290-0x0000013471E80000-0x0000013471E82000-memory.dmp

      Filesize

      8KB

    • memory/3920-288-0x0000013471E60000-0x0000013471E62000-memory.dmp

      Filesize

      8KB

    • memory/3920-302-0x0000013474000000-0x0000013474100000-memory.dmp

      Filesize

      1024KB

    • memory/3920-316-0x000001345F280000-0x000001345F290000-memory.dmp

      Filesize

      64KB

    • memory/3920-282-0x0000013471DA0000-0x0000013471DA2000-memory.dmp

      Filesize

      8KB

    • memory/3920-329-0x000001345F280000-0x000001345F290000-memory.dmp

      Filesize

      64KB

    • memory/3920-331-0x000001345F280000-0x000001345F290000-memory.dmp

      Filesize

      64KB

    • memory/3920-330-0x000001345F280000-0x000001345F290000-memory.dmp

      Filesize

      64KB

    • memory/3920-325-0x000001345F280000-0x000001345F290000-memory.dmp

      Filesize

      64KB

    • memory/3920-149-0x0000013472060000-0x0000013472080000-memory.dmp

      Filesize

      128KB

    • memory/3920-150-0x00000134720F0000-0x0000013472110000-memory.dmp

      Filesize

      128KB

    • memory/3920-152-0x0000013472190000-0x00000134721B0000-memory.dmp

      Filesize

      128KB

    • memory/3920-151-0x0000013472190000-0x00000134721B0000-memory.dmp

      Filesize

      128KB

    • memory/3920-61-0x000001345F600000-0x000001345F700000-memory.dmp

      Filesize

      1024KB

    • memory/5112-43-0x000001F5C4C80000-0x000001F5C4D80000-memory.dmp

      Filesize

      1024KB