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31-05-2024 02:35

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28-04-2024 02:14

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28-04-2024 02:13

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25-04-2024 23:54

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Analysis

  • max time kernel
    599s
  • max time network
    572s
  • platform
    windows10-1703_x64
  • resource
    win10-20240404-en
  • resource tags

    arch:x64arch:x86image:win10-20240404-enlocale:en-usos:windows10-1703-x64system
  • submitted
    26-04-2024 00:01

General

  • Target

    http://185.215.113.66/npp.exe

Score
8/10

Malware Config

Signatures

  • Downloads MZ/PE file
  • Drops file in Windows directory 5 IoCs
  • Modifies Internet Explorer settings 1 TTPs 2 IoCs
  • Modifies registry class 64 IoCs
  • Suspicious behavior: MapViewOfSection 4 IoCs
  • Suspicious use of AdjustPrivilegeToken 6 IoCs
  • Suspicious use of SetWindowsHookEx 4 IoCs
  • Suspicious use of WriteProcessMemory 6 IoCs

Processes

  • C:\Windows\system32\LaunchWinApp.exe
    "C:\Windows\system32\LaunchWinApp.exe" "http://185.215.113.66/npp.exe"
    1⤵
      PID:3668
    • 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:1004
    • C:\Windows\system32\browser_broker.exe
      C:\Windows\system32\browser_broker.exe -Embedding
      1⤵
      • Modifies Internet Explorer settings
      PID:2520
    • 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:2112
    • 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:5072
    • 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:4840
    • 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:3480
    • 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 use of AdjustPrivilegeToken
      PID:1624

    Network

    MITRE ATT&CK Matrix ATT&CK v13

    Replay Monitor

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    Downloads

    • C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\IE\2TT8RSZ7\edgecompatviewlist[1].xml
      Filesize

      74KB

      MD5

      d4fc49dc14f63895d997fa4940f24378

      SHA1

      3efb1437a7c5e46034147cbbc8db017c69d02c31

      SHA256

      853d2f4eb81c9fdcea2ee079f6faf98214b111b77cdf68709b38989d123890f1

      SHA512

      cc60d79b4afe5007634ac21dc4bc92081880be4c0d798a1735b63b27e936c02f399964f744dc73711987f01e8a1064b02a4867dd6cac27538e5fbe275cc61e0a

    • C:\Users\Admin\AppData\Local\Packages\Microsoft.MicrosoftEdge_8wekyb3d8bbwe\AC\MicrosoftEdge\Cache\WVR90VS6\suggestions[1].en-US
      Filesize

      17KB

      MD5

      5a34cb996293fde2cb7a4ac89587393a

      SHA1

      3c96c993500690d1a77873cd62bc639b3a10653f

      SHA256

      c6a5377cbc07eece33790cfc70572e12c7a48ad8296be25c0cc805a1f384dbad

      SHA512

      e1b7d0107733f81937415104e70f68b1be6fd0ca65dccf4ff72637943d44278d3a77f704aedff59d2dbc0d56a609b2590c8ec0dd6bc48ab30f1dad0c07a0a3ee

    • C:\Users\Admin\AppData\Local\Packages\microsoft.microsoftedge_8wekyb3d8bbwe\AC\#!001\MicrosoftEdge\Cache\VX90MPH7\npp[1].exe
      Filesize

      9KB

      MD5

      2ea6c5e97869622dfe70d2b34daf564e

      SHA1

      45500603bf8093676b66f056924a71e04793827a

      SHA256

      5f28bba8bd23cdb5c8a3fa018727bcf365eaf31c06b7bc8d3f3097a85db037f3

      SHA512

      f8f82b5875e8257206561de22ddbd8b5d9a2393e0da62f57c5a429ca233c7443c34647cc2253cf766bfaaf8177acb5c0627ab2f2418f5968f0a6fdec54244d43

    • memory/1004-0-0x0000023F86A20000-0x0000023F86A30000-memory.dmp
      Filesize

      64KB

    • memory/1004-16-0x0000023F87240000-0x0000023F87250000-memory.dmp
      Filesize

      64KB

    • memory/1004-35-0x0000023F87CB0000-0x0000023F87CB2000-memory.dmp
      Filesize

      8KB

    • memory/1004-60-0x0000023F8D1D0000-0x0000023F8D1D1000-memory.dmp
      Filesize

      4KB

    • memory/1004-61-0x0000023F8D6B0000-0x0000023F8D6B1000-memory.dmp
      Filesize

      4KB

    • memory/4840-52-0x000001FCA7960000-0x000001FCA7962000-memory.dmp
      Filesize

      8KB

    • memory/4840-56-0x000001FCA7990000-0x000001FCA7992000-memory.dmp
      Filesize

      8KB

    • memory/4840-58-0x000001FCA7A50000-0x000001FCA7A52000-memory.dmp
      Filesize

      8KB