Resubmissions

21-07-2024 11:29

240721-nlvl9aygqb 6

21-07-2024 11:22

240721-ngvrfs1dkr 10

Analysis

  • max time kernel
    150s
  • max time network
    145s
  • platform
    windows10-1703_x64
  • resource
    win10-20240404-en
  • resource tags

    arch:x64arch:x86image:win10-20240404-enlocale:en-usos:windows10-1703-x64system
  • submitted
    21-07-2024 11:29

General

  • Target

    https://github.com/Endermanch/MalwareDatabase/raw/master/ransomwares/NoMoreRansom.zip

Score
6/10

Malware Config

Signatures

  • Legitimate hosting services abused for malware hosting/C2 1 TTPs 3 IoCs
  • Drops file in Windows directory 5 IoCs
  • Modifies Internet Explorer settings 1 TTPs 2 IoCs
  • Modifies registry class 64 IoCs
  • NTFS ADS 1 IoCs
  • Suspicious behavior: MapViewOfSection 4 IoCs
  • Suspicious use of AdjustPrivilegeToken 8 IoCs
  • Suspicious use of SetWindowsHookEx 4 IoCs
  • Suspicious use of WriteProcessMemory 9 IoCs
  • Uses Task Scheduler COM API 1 TTPs

    The Task Scheduler COM API can be used to schedule applications to run on boot or at set times.

  • Uses Volume Shadow Copy WMI provider

    The Volume Shadow Copy service is used to manage backups/snapshots.

  • Uses Volume Shadow Copy service COM API

    The Volume Shadow Copy service is used to manage backups/snapshots.

Processes

  • C:\Windows\system32\LaunchWinApp.exe
    "C:\Windows\system32\LaunchWinApp.exe" "https://github.com/Endermanch/MalwareDatabase/raw/master/ransomwares/NoMoreRansom.zip"
    1⤵
      PID:2768
    • 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 AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      PID:3832
    • C:\Windows\system32\browser_broker.exe
      C:\Windows\system32\browser_broker.exe -Embedding
      1⤵
      • Modifies Internet Explorer settings
      • Modifies registry class
      • NTFS ADS
      PID:308
    • 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:3288
    • 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:4756
    • 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:4616
    • 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:3092
    • 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:1616
    • C:\Windows\System32\rundll32.exe
      C:\Windows\System32\rundll32.exe C:\Windows\System32\shell32.dll,SHCreateLocalServerRunDll {9aa46009-3ce0-458a-a354-715610a075e6} -Embedding
      1⤵
        PID:208

      Network

      MITRE ATT&CK Enterprise v15

      Replay Monitor

      Loading Replay Monitor...

      Downloads

      • 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\KACYWVIX\suggestions[1].en-US

        Filesize

        17KB

        MD5

        5a34cb996293fde2cb7a4ac89587393a

        SHA1

        3c96c993500690d1a77873cd62bc639b3a10653f

        SHA256

        c6a5377cbc07eece33790cfc70572e12c7a48ad8296be25c0cc805a1f384dbad

        SHA512

        e1b7d0107733f81937415104e70f68b1be6fd0ca65dccf4ff72637943d44278d3a77f704aedff59d2dbc0d56a609b2590c8ec0dd6bc48ab30f1dad0c07a0a3ee

      • C:\Users\Admin\AppData\Local\Packages\Microsoft.MicrosoftEdge_8wekyb3d8bbwe\TempState\Downloads\NoMoreRansom.zip.kzajsch.partial

        Filesize

        916KB

        MD5

        f315e49d46914e3989a160bbcfc5de85

        SHA1

        99654bfeaad090d95deef3a2e9d5d021d2dc5f63

        SHA256

        5cbb6442c47708558da29588e0d8ef0b34c4716be4a47e7c715ea844fbcf60d7

        SHA512

        224747b15d0713afcb2641f8f3aa1687516d42e045d456b3ed096a42757a6c10c6626672366c9b632349cf6ffe41011724e6f4b684837de9b719d0f351dfd22e

      • C:\Users\Admin\AppData\Local\Packages\microsoft.microsoftedge_8wekyb3d8bbwe\AC\#!001\MicrosoftEdge\Cache\I4WHNY80\NoMoreRansom[1].zip

        Filesize

        126KB

        MD5

        735015da8c1c23774ea11e71a7d92d7e

        SHA1

        7729be0fe5088a7018dc833d47a2a791c4225096

        SHA256

        790658e9ac2095fa701ceca68d1c374cd1568a432832ce0f008da0ad844b5e0b

        SHA512

        a388b64e2fc7a2749ba9e487a72a745ba603cb068095b0569c4054f2f4e9ea70dd5d234c052f18b7b72f92e14a9add5bb109cdfef04adfdaa35ddbdc75e5df38

      • memory/3092-84-0x0000028680700000-0x0000028680800000-memory.dmp

        Filesize

        1024KB

      • memory/3832-82-0x000001A840530000-0x000001A840531000-memory.dmp

        Filesize

        4KB

      • memory/3832-17-0x000001A839730000-0x000001A839740000-memory.dmp

        Filesize

        64KB

      • memory/3832-35-0x000001A836A90000-0x000001A836A92000-memory.dmp

        Filesize

        8KB

      • memory/3832-0-0x000001A839620000-0x000001A839630000-memory.dmp

        Filesize

        64KB

      • memory/3832-81-0x000001A840520000-0x000001A840521000-memory.dmp

        Filesize

        4KB

      • memory/4616-70-0x000001EDF2AB0000-0x000001EDF2AB2000-memory.dmp

        Filesize

        8KB

      • memory/4616-67-0x000001EDF2A80000-0x000001EDF2A82000-memory.dmp

        Filesize

        8KB

      • memory/4616-72-0x000001EDF2AD0000-0x000001EDF2AD2000-memory.dmp

        Filesize

        8KB

      • memory/4616-66-0x000001EDF2F00000-0x000001EDF3000000-memory.dmp

        Filesize

        1024KB

      • memory/4756-45-0x000001EBA4DC0000-0x000001EBA4EC0000-memory.dmp

        Filesize

        1024KB

      • memory/4756-44-0x000001EBA4DC0000-0x000001EBA4EC0000-memory.dmp

        Filesize

        1024KB