Resubmissions

05-08-2024 10:50

240805-mxgn4axgmc 4

05-08-2024 09:26

240805-lemlysscmk 10

Analysis

  • max time kernel
    149s
  • max time network
    144s
  • platform
    windows10-1703_x64
  • resource
    win10-20240404-en
  • resource tags

    arch:x64arch:x86image:win10-20240404-enlocale:en-usos:windows10-1703-x64system
  • submitted
    05-08-2024 10:50

General

  • Target

    .html

  • Size

    1KB

  • MD5

    84238dfc8092e5d9c0dac8ef93371a07

  • SHA1

    4a3ce8ee11e091dd7923f4d8c6e5b5e41ec7c047

  • SHA256

    ea8fac7c65fb589b0d53560f5251f74f9e9b243478dcb6b3ea79b5e36449c8d9

  • SHA512

    d06b93c883f8126a04589937a884032df031b05518eed9d433efb6447834df2596aebd500d69b8283e5702d988ed49655ae654c1683c7a4ae58bfa6b92f2b73a

Score
4/10

Malware Config

Signatures

  • Drops file in Windows directory 4 IoCs
  • Modifies Internet Explorer settings 1 TTPs 3 IoCs
  • Modifies registry class 64 IoCs
  • Suspicious behavior: MapViewOfSection 3 IoCs
  • Suspicious use of AdjustPrivilegeToken 7 IoCs
  • Suspicious use of SetWindowsHookEx 4 IoCs
  • Suspicious use of WriteProcessMemory 9 IoCs

Processes

  • C:\Windows\system32\LaunchWinApp.exe
    "C:\Windows\system32\LaunchWinApp.exe" "C:\Users\Admin\AppData\Local\Temp\.html"
    1⤵
      PID:2428
    • 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:4372
    • C:\Windows\system32\browser_broker.exe
      C:\Windows\system32\browser_broker.exe -Embedding
      1⤵
      • Modifies Internet Explorer settings
      PID:4524
    • 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:1496
    • 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:4644
    • 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
      PID:652
    • 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:5092

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • 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\MicrosoftEdge\Cache\FTWLAAPN\suggestions[1].en-US

      Filesize

      17KB

      MD5

      5a34cb996293fde2cb7a4ac89587393a

      SHA1

      3c96c993500690d1a77873cd62bc639b3a10653f

      SHA256

      c6a5377cbc07eece33790cfc70572e12c7a48ad8296be25c0cc805a1f384dbad

      SHA512

      e1b7d0107733f81937415104e70f68b1be6fd0ca65dccf4ff72637943d44278d3a77f704aedff59d2dbc0d56a609b2590c8ec0dd6bc48ab30f1dad0c07a0a3ee

    • memory/652-68-0x00000238946E0000-0x00000238946E2000-memory.dmp

      Filesize

      8KB

    • memory/652-62-0x00000238945E0000-0x00000238945E2000-memory.dmp

      Filesize

      8KB

    • memory/652-50-0x0000023884030000-0x0000023884130000-memory.dmp

      Filesize

      1024KB

    • memory/652-53-0x00000238944F0000-0x00000238944F2000-memory.dmp

      Filesize

      8KB

    • memory/652-56-0x0000023894520000-0x0000023894522000-memory.dmp

      Filesize

      8KB

    • memory/652-70-0x0000023894700000-0x0000023894702000-memory.dmp

      Filesize

      8KB

    • memory/652-51-0x0000023884030000-0x0000023884130000-memory.dmp

      Filesize

      1024KB

    • memory/652-66-0x0000023894620000-0x0000023894622000-memory.dmp

      Filesize

      8KB

    • memory/652-64-0x0000023894600000-0x0000023894602000-memory.dmp

      Filesize

      8KB

    • memory/652-58-0x00000238945B0000-0x00000238945B2000-memory.dmp

      Filesize

      8KB

    • memory/652-60-0x00000238945C0000-0x00000238945C2000-memory.dmp

      Filesize

      8KB

    • memory/4372-16-0x000001B00E320000-0x000001B00E330000-memory.dmp

      Filesize

      64KB

    • memory/4372-35-0x000001B012560000-0x000001B012562000-memory.dmp

      Filesize

      8KB

    • memory/4372-89-0x000001B0152E0000-0x000001B0152E1000-memory.dmp

      Filesize

      4KB

    • memory/4372-90-0x000001B0152F0000-0x000001B0152F1000-memory.dmp

      Filesize

      4KB

    • memory/4372-0-0x000001B00E220000-0x000001B00E230000-memory.dmp

      Filesize

      64KB

    • memory/4644-44-0x00000233C3740000-0x00000233C3840000-memory.dmp

      Filesize

      1024KB