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Analysis

  • max time kernel
    1617s
  • max time network
    1587s
  • platform
    windows10-1703_x64
  • resource
    win10-20240404-en
  • resource tags

    arch:x64arch:x86image:win10-20240404-enlocale:en-usos:windows10-1703-x64system
  • submitted
    05/07/2024, 16:54

General

  • Target

    http://tiktok.com/studio/eownload

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 6 IoCs
  • Suspicious use of SetWindowsHookEx 4 IoCs
  • Suspicious use of WriteProcessMemory 4 IoCs

Processes

  • C:\Windows\system32\LaunchWinApp.exe
    "C:\Windows\system32\LaunchWinApp.exe" "http://tiktok.com/studio/eownload"
    1⤵
      PID:4404
    • 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:292
    • C:\Windows\system32\browser_broker.exe
      C:\Windows\system32\browser_broker.exe -Embedding
      1⤵
      • Modifies Internet Explorer settings
      PID:4472
    • 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:1720
    • 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:3764
    • 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:4000
    • 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:3760
    • 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:1808
    • 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:4656

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

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    Downloads

    • C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\IE\E49JWOHD\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\8KLH4WNI\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\93EC160A\favicon[1].png

      Filesize

      6KB

      MD5

      9cef637ddfba594ac6dee7fd68e85a95

      SHA1

      2481a8461cfeedfe82bc5f7257848b12140e30b4

      SHA256

      698fc7056302ac9ea260aad79c23b0f2428ed78a2434f2148d4ea4606ba00084

      SHA512

      12c0561e62cfc78d98e0d8650c90c5e8b560ca6d3edb2d61bd7fc0e7e210b6e47e98de5157b20a0f30c54e6f8c64b12f661ed26768de55d9e6a241a7b42150c7

    • memory/292-154-0x0000026B6CBE0000-0x0000026B6CBE1000-memory.dmp

      Filesize

      4KB

    • memory/292-16-0x0000026B66620000-0x0000026B66630000-memory.dmp

      Filesize

      64KB

    • memory/292-35-0x0000026B639A0000-0x0000026B639A2000-memory.dmp

      Filesize

      8KB

    • memory/292-0-0x0000026B66520000-0x0000026B66530000-memory.dmp

      Filesize

      64KB

    • memory/292-153-0x0000026B6CBD0000-0x0000026B6CBD1000-memory.dmp

      Filesize

      4KB

    • memory/3764-45-0x000001EBFA300000-0x000001EBFA400000-memory.dmp

      Filesize

      1024KB

    • memory/3764-43-0x000001EBFA300000-0x000001EBFA400000-memory.dmp

      Filesize

      1024KB

    • memory/3764-44-0x000001EBFA300000-0x000001EBFA400000-memory.dmp

      Filesize

      1024KB

    • memory/4000-60-0x000001E30B8A0000-0x000001E30B8A2000-memory.dmp

      Filesize

      8KB

    • memory/4000-134-0x000001E31DF80000-0x000001E31DFA0000-memory.dmp

      Filesize

      128KB

    • memory/4000-135-0x000001E321D60000-0x000001E321D80000-memory.dmp

      Filesize

      128KB

    • memory/4000-133-0x000001E31DF00000-0x000001E31DF20000-memory.dmp

      Filesize

      128KB

    • memory/4000-131-0x000001E31ECE0000-0x000001E31ED00000-memory.dmp

      Filesize

      128KB

    • memory/4000-57-0x000001E30B850000-0x000001E30B852000-memory.dmp

      Filesize

      8KB

    • memory/4000-62-0x000001E30B8C0000-0x000001E30B8C2000-memory.dmp

      Filesize

      8KB

    • memory/4000-68-0x000001E30B730000-0x000001E30B732000-memory.dmp

      Filesize

      8KB