Analysis

  • max time kernel
    80s
  • max time network
    64s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240508-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
  • submitted
    21-06-2024 19:58

General

  • Target

    Loader.exe

  • Size

    1.8MB

  • MD5

    289f27e7a02f8e76ebf39d2c0c3f09e4

  • SHA1

    fb404a7a85d5fb617436f73832e4716556756d6a

  • SHA256

    854d267aea33e8dc80021ac043b003ab7c6f99061e56e36572cba3548e6882c9

  • SHA512

    38798cc71da6dfd8022dff2be635db8b938ba8d8dc5db8196802af2d9deb26dda145e0e581a6b8eb7022a1e0c33ff34c666cc4817f9f2ac50d1f362f434a75fe

  • SSDEEP

    24576:KuDXTIGaPhEYzUzA0Dz46fMR/6Y/M3pPux8KVzVvu9JDcEL0NLpgjdyWhPOePTnK:9Djlabwz9PHMf/M3BuxbzuDQyBPXam0H

Score
8/10

Malware Config

Signatures

  • Command and Scripting Interpreter: PowerShell 1 TTPs 1 IoCs

    Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.

  • Checks computer location settings 2 TTPs 1 IoCs

    Looks up country code configured in the registry, likely geofence.

  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 10 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\Loader.exe
    "C:\Users\Admin\AppData\Local\Temp\Loader.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of WriteProcessMemory
    PID:3004
    • C:\Windows\system32\cmd.exe
      C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\Loader\AntiCheatBypass.bat" "
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:3708
      • C:\Windows\system32\cacls.exe
        "C:\Windows\system32\cacls.exe" "C:\Windows\system32\config\system"
        3⤵
          PID:2596
        • C:\Windows\system32\cmd.exe
          C:\Windows\system32\cmd.exe /K C:\Users\Admin\AppData\Local\Temp\Loader\AntiCheatBypasss.bat
          3⤵
          • Suspicious use of WriteProcessMemory
          PID:2380
          • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
            powershell -Command Add-MpPreference -ExclusionPath 'C:\'
            4⤵
            • Command and Scripting Interpreter: PowerShell
            • Suspicious behavior: EnumeratesProcesses
            • Suspicious use of AdjustPrivilegeToken
            PID:2368
          • C:\Windows\system32\choice.exe
            choice /c y /n /t 10 /d y
            4⤵
              PID:4400
      • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
        "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --no-appcompat-clear --field-trial-handle=3756,i,9746875443948590908,1444894342962555245,262144 --variations-seed-version --mojo-platform-channel-handle=4696 /prefetch:8
        1⤵
          PID:3996

        Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

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        Downloads

        • C:\Users\Admin\AppData\Local\Temp\Loader\AntiCheatBypass.bat
          Filesize

          9KB

          MD5

          4c44aab923a5c7719850e5138ecb64c0

          SHA1

          9634bb1db8ed400b033225a849c88c7908d61b3d

          SHA256

          63047a792bde6efb6aab1a6dbb178f55b6ae86317d75cb4470e51dd0ef76be2e

          SHA512

          98fd476c2b48be92a6101ff71514818eca6c7849ad17097b86babbbae9ecc9ff60a0a88c143a6ccbb67f002798531ab3717ad3fd7246de53c49b8daaeebad8f0

        • C:\Users\Admin\AppData\Local\Temp\Loader\AntiCheatBypasss.bat
          Filesize

          8KB

          MD5

          67789813c0d52fa2d7bfbffd5d572e6e

          SHA1

          52389d023f55bda8aba2efdbe82ee48c17f19639

          SHA256

          ab044df54893f5f2e54233fc6ea4ef6dd8a9a0731a893734f287e62eeae0c3cf

          SHA512

          467f875a6bf70a39fcb4918952706d41f92c0166c4c2ad2a9c6b2207c7ac076a155dbc9b7682e65f9f9498c3636bd2b04e2aad5b2b89a185ea22bb6146980527

        • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_qgaiagz5.v2f.ps1
          Filesize

          60B

          MD5

          d17fe0a3f47be24a6453e9ef58c94641

          SHA1

          6ab83620379fc69f80c0242105ddffd7d98d5d9d

          SHA256

          96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

          SHA512

          5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

        • memory/2368-14-0x00007FFB40573000-0x00007FFB40575000-memory.dmp
          Filesize

          8KB

        • memory/2368-21-0x0000029435E30000-0x0000029435E52000-memory.dmp
          Filesize

          136KB

        • memory/2368-15-0x00007FFB40570000-0x00007FFB41031000-memory.dmp
          Filesize

          10.8MB

        • memory/2368-26-0x00007FFB40570000-0x00007FFB41031000-memory.dmp
          Filesize

          10.8MB

        • memory/2368-29-0x00007FFB40570000-0x00007FFB41031000-memory.dmp
          Filesize

          10.8MB