Windows 7 deprecation

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Analysis

  • max time kernel
    150s
  • max time network
    149s
  • platform
    windows10-1703_x64
  • resource
    win10-20240404-en
  • resource tags

    arch:x64arch:x86image:win10-20240404-enlocale:en-usos:windows10-1703-x64system
  • submitted
    04/06/2024, 12:11

General

  • Target

    https://acc.mmsend.com/link.cfm?r=QrQ9GCoHrHG538MukN36Xg~~&pe=c7Sah3MtSah1J_MXq-ynvF0r7zwE-lpcC-Po93FNZCQIrqbQ3yU50GXnHJRT078d3i1nDtUyj3Lrj58_84UFlQ~~&t=HdeJTM0pMnfsvlcx-s0FEA~~

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 3 IoCs

Processes

  • C:\Windows\system32\LaunchWinApp.exe
    "C:\Windows\system32\LaunchWinApp.exe" "https://acc.mmsend.com/link.cfm?r=QrQ9GCoHrHG538MukN36Xg~~&pe=c7Sah3MtSah1J_MXq-ynvF0r7zwE-lpcC-Po93FNZCQIrqbQ3yU50GXnHJRT078d3i1nDtUyj3Lrj58_84UFlQ~~&t=HdeJTM0pMnfsvlcx-s0FEA~~"
    1⤵
      PID:2512
    • 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:1136
    • C:\Windows\system32\browser_broker.exe
      C:\Windows\system32\browser_broker.exe -Embedding
      1⤵
      • Modifies Internet Explorer settings
      PID:1868
    • 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:3968
    • 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:4388
    • 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:4320
    • 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:4516
    • C:\Windows\SystemApps\Microsoft.MicrosoftEdge_8wekyb3d8bbwe\MicrosoftEdgeCP.exe
      "C:\Windows\SystemApps\Microsoft.MicrosoftEdge_8wekyb3d8bbwe\MicrosoftEdgeCP.exe" -ServerName:ContentProcess.AppX6z3cwk4fvgady6zya12j1cw28d228a7k.mca
      1⤵
        PID:3928
      • 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:5108

      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\Q7BUKSPQ\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\1GON3YVS\favicon[1].ico

        Filesize

        5KB

        MD5

        ccda8df05e9a37b3131afd4d451b44ec

        SHA1

        ed9d0f9c4224fbd4c768be237b4b59f27f1b718c

        SHA256

        92842fc6c2f66b46f69458c14621fc2eca5d6c02d7937f9124fe8a3a9a55bc91

        SHA512

        a91f53c07b327c35864fe903acfe30afe2de3c26fdce1bdbf65842598b3a7b2fb19e54de27495519bf1e2a2bf7358561da16e931324e5b1112da4fe7efe4bc7e

      • C:\Users\Admin\AppData\Local\Packages\Microsoft.MicrosoftEdge_8wekyb3d8bbwe\AC\MicrosoftEdge\Cache\UNT8CBZO\suggestions[1].en-US

        Filesize

        17KB

        MD5

        5a34cb996293fde2cb7a4ac89587393a

        SHA1

        3c96c993500690d1a77873cd62bc639b3a10653f

        SHA256

        c6a5377cbc07eece33790cfc70572e12c7a48ad8296be25c0cc805a1f384dbad

        SHA512

        e1b7d0107733f81937415104e70f68b1be6fd0ca65dccf4ff72637943d44278d3a77f704aedff59d2dbc0d56a609b2590c8ec0dd6bc48ab30f1dad0c07a0a3ee

      • memory/1136-178-0x0000028FBEAB0000-0x0000028FBEAB1000-memory.dmp

        Filesize

        4KB

      • memory/1136-0-0x0000028FB8320000-0x0000028FB8330000-memory.dmp

        Filesize

        64KB

      • memory/1136-35-0x0000028FB74E0000-0x0000028FB74E2000-memory.dmp

        Filesize

        8KB

      • memory/1136-17-0x0000028FB8430000-0x0000028FB8440000-memory.dmp

        Filesize

        64KB

      • memory/1136-177-0x0000028FBEAA0000-0x0000028FBEAA1000-memory.dmp

        Filesize

        4KB

      • memory/4320-84-0x000001D5AEF20000-0x000001D5AEF22000-memory.dmp

        Filesize

        8KB

      • memory/4320-149-0x000001D5C38C0000-0x000001D5C38E0000-memory.dmp

        Filesize

        128KB

      • memory/4320-148-0x000001D5C3880000-0x000001D5C38A0000-memory.dmp

        Filesize

        128KB

      • memory/4320-145-0x000001D5C38C0000-0x000001D5C38E0000-memory.dmp

        Filesize

        128KB

      • memory/4320-81-0x000001D5AEEF0000-0x000001D5AEEF2000-memory.dmp

        Filesize

        8KB

      • memory/4320-86-0x000001D5AEF40000-0x000001D5AEF42000-memory.dmp

        Filesize

        8KB

      • memory/4388-45-0x0000026093B80000-0x0000026093C80000-memory.dmp

        Filesize

        1024KB