Resubmissions

13-08-2024 23:33

240813-3j21wa1fld 6

13-08-2024 23:32

240813-3jgd6swdmr 6

Analysis

  • max time kernel
    31s
  • max time network
    32s
  • platform
    windows10-1703_x64
  • resource
    win10-20240404-en
  • resource tags

    arch:x64arch:x86image:win10-20240404-enlocale:en-usos:windows10-1703-x64system
  • submitted
    13-08-2024 23:32

General

  • Target

    https://drive.google.com/file/d/1OFd7HySZEBbsG2E6J7D3SnPxLS3gfBZy/view?usp=drive_link

Score
6/10

Malware Config

Signatures

  • Legitimate hosting services abused for malware hosting/C2 1 TTPs 5 IoCs
  • 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 3 IoCs

Processes

  • C:\Windows\system32\LaunchWinApp.exe
    "C:\Windows\system32\LaunchWinApp.exe" "https://drive.google.com/file/d/1OFd7HySZEBbsG2E6J7D3SnPxLS3gfBZy/view?usp=drive_link"
    1⤵
      PID:4924
    • 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:1352
    • C:\Windows\system32\browser_broker.exe
      C:\Windows\system32\browser_broker.exe -Embedding
      1⤵
      • Modifies Internet Explorer settings
      PID:3392
    • 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:1616
    • 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:5028
    • 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:4184
    • 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:4552
    • C:\Windows\System32\rundll32.exe
      C:\Windows\System32\rundll32.exe C:\Windows\System32\shell32.dll,SHCreateLocalServerRunDll {9aa46009-3ce0-458a-a354-715610a075e6} -Embedding
      1⤵
        PID:652

      Network

      MITRE ATT&CK Enterprise v15

      Replay Monitor

      Loading Replay Monitor...

      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\VSH5XF98\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\ZZV07RIF\drive_2020q4_32dp[1].png

        Filesize

        831B

        MD5

        916c9bcccf19525ad9d3cd1514008746

        SHA1

        9ccce6978d2417927b5150ffaac22f907ff27b6e

        SHA256

        358e814139d3ed8469b36935a071be6696ccad7dd9bdbfdb80c052b068ae2a50

        SHA512

        b73c1a81997abe12dba4ae1fa38f070079448c3798e7161c9262ccba6ee6a91e8a243f0e4888c8aef33ce1cf83818fc44c85ae454a522a079d08121cd8628d00

      • memory/1352-96-0x0000028AE71F0000-0x0000028AE71F1000-memory.dmp

        Filesize

        4KB

      • memory/1352-16-0x0000028AE0C20000-0x0000028AE0C30000-memory.dmp

        Filesize

        64KB

      • memory/1352-35-0x0000028ADFCE0000-0x0000028ADFCE2000-memory.dmp

        Filesize

        8KB

      • memory/1352-0-0x0000028AE0B20000-0x0000028AE0B30000-memory.dmp

        Filesize

        64KB

      • memory/1352-95-0x0000028AE71E0000-0x0000028AE71E1000-memory.dmp

        Filesize

        4KB

      • memory/4184-69-0x00000213E80B0000-0x00000213E80B2000-memory.dmp

        Filesize

        8KB

      • memory/4184-67-0x00000213E8090000-0x00000213E8092000-memory.dmp

        Filesize

        8KB

      • memory/4184-71-0x00000213E80D0000-0x00000213E80D2000-memory.dmp

        Filesize

        8KB

      • memory/5028-45-0x0000023D6F1C0000-0x0000023D6F2C0000-memory.dmp

        Filesize

        1024KB

      • memory/5028-43-0x0000023D6F1C0000-0x0000023D6F2C0000-memory.dmp

        Filesize

        1024KB