Analysis

  • max time kernel
    149s
  • max time network
    153s
  • platform
    windows10-1703_x64
  • resource
    win10-20240404-en
  • resource tags

    arch:x64arch:x86image:win10-20240404-enlocale:en-usos:windows10-1703-x64system
  • submitted
    01-07-2024 14:47

General

  • Target

    Help/savesystem.htm

  • Size

    1KB

  • MD5

    aabbab99de49ea60be12d40ad0f2c062

  • SHA1

    53bc7c413bcc77f5ac9b4056911b180d6d887159

  • SHA256

    da32f1ef0fdf2602cd91ee02c36679bda706b20ccdd7d3ca3dfed56ccd380689

  • SHA512

    e3313864802419802d8e74823ff144a12361e4b0528931e26be440dcbec7a38bfb8b0a04f16ab89debe4048755b4e30dffcc57bed47b39a301b31c4acc70e107

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 8 IoCs
  • Suspicious use of SetWindowsHookEx 4 IoCs
  • Suspicious use of WriteProcessMemory 5 IoCs

Processes

  • C:\Windows\system32\LaunchWinApp.exe
    "C:\Windows\system32\LaunchWinApp.exe" "C:\Users\Admin\AppData\Local\Temp\Help\savesystem.htm"
    1⤵
      PID:4424
    • 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:1896
    • C:\Windows\system32\browser_broker.exe
      C:\Windows\system32\browser_broker.exe -Embedding
      1⤵
      • Modifies Internet Explorer settings
      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
      • Suspicious behavior: MapViewOfSection
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:4960
    • 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:2792
    • 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:5012
    • 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:1020
    • 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:424

    Network

    MITRE ATT&CK Matrix ATT&CK v13

    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\H840JZM3\suggestions[1].en-US
      Filesize

      17KB

      MD5

      5a34cb996293fde2cb7a4ac89587393a

      SHA1

      3c96c993500690d1a77873cd62bc639b3a10653f

      SHA256

      c6a5377cbc07eece33790cfc70572e12c7a48ad8296be25c0cc805a1f384dbad

      SHA512

      e1b7d0107733f81937415104e70f68b1be6fd0ca65dccf4ff72637943d44278d3a77f704aedff59d2dbc0d56a609b2590c8ec0dd6bc48ab30f1dad0c07a0a3ee

    • memory/1896-0-0x000001EC17520000-0x000001EC17530000-memory.dmp
      Filesize

      64KB

    • memory/1896-35-0x000001EC14BC0000-0x000001EC14BC2000-memory.dmp
      Filesize

      8KB

    • memory/1896-82-0x000001EC1DCF0000-0x000001EC1DCF1000-memory.dmp
      Filesize

      4KB

    • memory/1896-16-0x000001EC17620000-0x000001EC17630000-memory.dmp
      Filesize

      64KB

    • memory/1896-81-0x000001EC1DCE0000-0x000001EC1DCE1000-memory.dmp
      Filesize

      4KB

    • memory/2792-45-0x0000021E00F60000-0x0000021E01060000-memory.dmp
      Filesize

      1024KB

    • memory/5012-62-0x000001D6CB9D0000-0x000001D6CB9D2000-memory.dmp
      Filesize

      8KB

    • memory/5012-53-0x000001D6CB890000-0x000001D6CB892000-memory.dmp
      Filesize

      8KB

    • memory/5012-58-0x000001D6CB8F0000-0x000001D6CB8F2000-memory.dmp
      Filesize

      8KB

    • memory/5012-60-0x000001D6CB9B0000-0x000001D6CB9B2000-memory.dmp
      Filesize

      8KB

    • memory/5012-56-0x000001D6CB8C0000-0x000001D6CB8C2000-memory.dmp
      Filesize

      8KB

    • memory/5012-50-0x000001D6BB340000-0x000001D6BB440000-memory.dmp
      Filesize

      1024KB