Resubmissions

07/06/2024, 12:59

240607-p78xfagd61 1

07/06/2024, 12:56

240607-p6dpxagd31 4

07/06/2024, 12:52

240607-p4dbcshd35 4

Analysis

  • max time kernel
    1799s
  • max time network
    1602s
  • platform
    windows10-1703_x64
  • resource
    win10-20240404-en
  • resource tags

    arch:x64arch:x86image:win10-20240404-enlocale:en-usos:windows10-1703-x64system
  • submitted
    07/06/2024, 12:52

General

  • Target

    https://www.bluestacks.com/bluestacks.4.html

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 23 IoCs

Processes

  • C:\Windows\system32\LaunchWinApp.exe
    "C:\Windows\system32\LaunchWinApp.exe" "https://www.bluestacks.com/bluestacks.4.html"
    1⤵
      PID:4144
    • 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:4460
    • C:\Windows\system32\browser_broker.exe
      C:\Windows\system32\browser_broker.exe -Embedding
      1⤵
      • Modifies Internet Explorer settings
      PID:3900
    • 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:4480
    • 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:4004
    • 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:1504
    • 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:1372

    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\OHP8MVFQ\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\JM591X2J\suggestions[1].en-US

      Filesize

      17KB

      MD5

      5a34cb996293fde2cb7a4ac89587393a

      SHA1

      3c96c993500690d1a77873cd62bc639b3a10653f

      SHA256

      c6a5377cbc07eece33790cfc70572e12c7a48ad8296be25c0cc805a1f384dbad

      SHA512

      e1b7d0107733f81937415104e70f68b1be6fd0ca65dccf4ff72637943d44278d3a77f704aedff59d2dbc0d56a609b2590c8ec0dd6bc48ab30f1dad0c07a0a3ee

    • C:\Users\Admin\AppData\Local\Packages\Microsoft.MicrosoftEdge_8wekyb3d8bbwe\AC\MicrosoftEdge\Cache\OGIX1B8C\favicon[1].png

      Filesize

      7KB

      MD5

      34855ea95e6860bbaf27039865c17af9

      SHA1

      1bfddba4f97f001dc68e1fdbc8a108705181c6bf

      SHA256

      686aea8f002a5b5aded2ce2bbb8d54c180efed34a4c60786b16a945f6b52c5bb

      SHA512

      454c6229c39c6949f8079a631c92f464a28b1e78a5868ededc1c548eb3a450a8baf38926e4884a17a09d501bf21e312341d5b86f4041bc663c50ffd2a761b963

    • memory/1504-164-0x0000017DC8A60000-0x0000017DC8A62000-memory.dmp

      Filesize

      8KB

    • memory/1504-361-0x0000017DC4740000-0x0000017DC4760000-memory.dmp

      Filesize

      128KB

    • memory/1504-87-0x0000017DC3700000-0x0000017DC3702000-memory.dmp

      Filesize

      8KB

    • memory/1504-85-0x0000017DC3640000-0x0000017DC3642000-memory.dmp

      Filesize

      8KB

    • memory/1504-83-0x0000017DC3620000-0x0000017DC3622000-memory.dmp

      Filesize

      8KB

    • memory/1504-134-0x0000017DC41F0000-0x0000017DC41F2000-memory.dmp

      Filesize

      8KB

    • memory/1504-170-0x0000017DC8AC0000-0x0000017DC8AC2000-memory.dmp

      Filesize

      8KB

    • memory/1504-168-0x0000017DC8AA0000-0x0000017DC8AA2000-memory.dmp

      Filesize

      8KB

    • memory/1504-166-0x0000017DC8A80000-0x0000017DC8A82000-memory.dmp

      Filesize

      8KB

    • memory/1504-162-0x0000017DC8A40000-0x0000017DC8A42000-memory.dmp

      Filesize

      8KB

    • memory/1504-350-0x0000017DC3400000-0x0000017DC3402000-memory.dmp

      Filesize

      8KB

    • memory/1504-160-0x0000017DC8990000-0x0000017DC8992000-memory.dmp

      Filesize

      8KB

    • memory/1504-384-0x0000017DB2AE0000-0x0000017DB2AF0000-memory.dmp

      Filesize

      64KB

    • memory/1504-385-0x0000017DB2AE0000-0x0000017DB2AF0000-memory.dmp

      Filesize

      64KB

    • memory/1504-62-0x0000017DB2C00000-0x0000017DB2D00000-memory.dmp

      Filesize

      1024KB

    • memory/1504-256-0x0000017DC33F0000-0x0000017DC33F2000-memory.dmp

      Filesize

      8KB

    • memory/1504-158-0x0000017DC8780000-0x0000017DC8782000-memory.dmp

      Filesize

      8KB

    • memory/1504-316-0x0000017DC3410000-0x0000017DC3412000-memory.dmp

      Filesize

      8KB

    • memory/1504-156-0x0000017DC8790000-0x0000017DC8792000-memory.dmp

      Filesize

      8KB

    • memory/1504-89-0x0000017DC3720000-0x0000017DC3722000-memory.dmp

      Filesize

      8KB

    • memory/4004-42-0x000001C796740000-0x000001C796840000-memory.dmp

      Filesize

      1024KB

    • memory/4460-209-0x00000251EB380000-0x00000251EB381000-memory.dmp

      Filesize

      4KB

    • memory/4460-210-0x00000251EB390000-0x00000251EB391000-memory.dmp

      Filesize

      4KB

    • memory/4460-16-0x00000251E4C20000-0x00000251E4C30000-memory.dmp

      Filesize

      64KB

    • memory/4460-0-0x00000251E4B20000-0x00000251E4B30000-memory.dmp

      Filesize

      64KB

    • memory/4460-35-0x00000251E8D20000-0x00000251E8D22000-memory.dmp

      Filesize

      8KB