Analysis

  • max time kernel
    1199s
  • max time network
    873s
  • platform
    windows10-1703_x64
  • resource
    win10-20240404-en
  • resource tags

    arch:x64arch:x86image:win10-20240404-enlocale:en-usos:windows10-1703-x64system
  • submitted
    15/07/2024, 14:48

General

  • Target

    https://github.com/Tips-Discord/Cwelium/releases/download/v1.0.60-pre2/Cwelium.exe

Score
8/10

Malware Config

Signatures

  • Downloads MZ/PE file
  • Drops file in Windows directory 5 IoCs
  • Modifies Internet Explorer settings 1 TTPs 2 IoCs
  • Modifies registry class 64 IoCs
  • Suspicious behavior: MapViewOfSection 4 IoCs
  • Suspicious use of AdjustPrivilegeToken 4 IoCs
  • Suspicious use of SetWindowsHookEx 4 IoCs
  • Suspicious use of WriteProcessMemory 6 IoCs

Processes

  • C:\Windows\system32\LaunchWinApp.exe
    "C:\Windows\system32\LaunchWinApp.exe" "https://github.com/Tips-Discord/Cwelium/releases/download/v1.0.60-pre2/Cwelium.exe"
    1⤵
      PID:3924
    • 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:3276
    • C:\Windows\system32\browser_broker.exe
      C:\Windows\system32\browser_broker.exe -Embedding
      1⤵
      • Modifies Internet Explorer settings
      PID:5000
    • 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:1912
    • 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:4504
    • 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:3852
    • 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:1304

    Network

          MITRE ATT&CK Enterprise v15

          Replay Monitor

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          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\DJCPT3FB\suggestions[1].en-US

            Filesize

            17KB

            MD5

            5a34cb996293fde2cb7a4ac89587393a

            SHA1

            3c96c993500690d1a77873cd62bc639b3a10653f

            SHA256

            c6a5377cbc07eece33790cfc70572e12c7a48ad8296be25c0cc805a1f384dbad

            SHA512

            e1b7d0107733f81937415104e70f68b1be6fd0ca65dccf4ff72637943d44278d3a77f704aedff59d2dbc0d56a609b2590c8ec0dd6bc48ab30f1dad0c07a0a3ee

          • C:\Users\Admin\AppData\Local\Packages\microsoft.microsoftedge_8wekyb3d8bbwe\AC\#!001\MicrosoftEdge\Cache\KK467EAT\Cwelium[1].exe

            Filesize

            3.5MB

            MD5

            c349a2072cd43307b56ecbb26c49b970

            SHA1

            a0cdcc6352791462e2dcd9b467d1950bbdc53045

            SHA256

            58e36b750e3a75bb1ddc8e7fd0ddd639eb85f2db90327f4c2d8fceb367b3aeb1

            SHA512

            cb8b65394a76552edf70bfef784b0885646f1616d2748c8a64674f92a28e3dbdfb090e2b7c5cff0e8c7d7bb783761bc913e7ea790573d152304b650e2256256a

          • memory/1304-83-0x0000011217600000-0x0000011217700000-memory.dmp

            Filesize

            1024KB

          • memory/3276-16-0x000002A2D3320000-0x000002A2D3330000-memory.dmp

            Filesize

            64KB

          • memory/3276-35-0x000002A2D05E0000-0x000002A2D05E2000-memory.dmp

            Filesize

            8KB

          • memory/3276-1-0x000002A2D3230000-0x000002A2D3240000-memory.dmp

            Filesize

            64KB

          • memory/3276-110-0x000002A2DB830000-0x000002A2DB831000-memory.dmp

            Filesize

            4KB

          • memory/3276-109-0x000002A2DB820000-0x000002A2DB821000-memory.dmp

            Filesize

            4KB

          • memory/3852-65-0x0000026996810000-0x0000026996910000-memory.dmp

            Filesize

            1024KB

          • memory/3852-72-0x00000269A6BD0000-0x00000269A6BD2000-memory.dmp

            Filesize

            8KB

          • memory/3852-70-0x00000269A6B10000-0x00000269A6B12000-memory.dmp

            Filesize

            8KB

          • memory/3852-67-0x00000269A6AE0000-0x00000269A6AE2000-memory.dmp

            Filesize

            8KB

          • memory/4504-45-0x0000017BFCBC0000-0x0000017BFCCC0000-memory.dmp

            Filesize

            1024KB