Analysis

  • max time kernel
    103s
  • max time network
    102s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240508-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
  • submitted
    19-06-2024 15:29

General

  • Target

    release/main/loader.exe

  • Size

    4.1MB

  • MD5

    9ecdc9ed1bea6c226f92d740d43400b9

  • SHA1

    b5b5066cd4284733d8c3f3d7de3ca6653091ae10

  • SHA256

    60c57f14c2e0e0df0bda16646b21dddceaee0159dafbbb8daba310d4e1b5be6c

  • SHA512

    30bc705a2438288e3647d5adfc6119d751823970972b9c6b39a60384a2b7ac261986026b8d1c0b0ca7ee3d7e95363c97b873fdc5fad4096c903cb4e15bf57e43

  • SSDEEP

    98304:vnUGAC+hqc8lqvdzw2nsNKYYURyc9JirsN4JzmUPj:PTn2qcUzp6UYeJRCxPj

Malware Config

Signatures

  • Identifies VirtualBox via ACPI registry values (likely anti-VM) 2 TTPs 1 IoCs
  • Checks BIOS information in registry 2 TTPs 2 IoCs

    BIOS information is often read in order to detect sandboxing environments.

  • Themida packer 9 IoCs

    Detects Themida, an advanced Windows software protection system.

  • Checks whether UAC is enabled 1 TTPs 1 IoCs
  • Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 8 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\release\main\loader.exe
    "C:\Users\Admin\AppData\Local\Temp\release\main\loader.exe"
    1⤵
    • Identifies VirtualBox via ACPI registry values (likely anti-VM)
    • Checks BIOS information in registry
    • Checks whether UAC is enabled
    • Suspicious use of NtSetInformationThreadHideFromDebugger
    • Suspicious behavior: GetForegroundWindowSpam
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:1816
    • C:\Windows\system32\cmd.exe
      C:\Windows\system32\cmd.exe /c certutil -hashfile "C:\Users\Admin\AppData\Local\Temp\release\main\loader.exe" MD5 | find /i /v "md5" | find /i /v "certutil"
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:3420
      • C:\Windows\system32\certutil.exe
        certutil -hashfile "C:\Users\Admin\AppData\Local\Temp\release\main\loader.exe" MD5
        3⤵
          PID:2488
        • C:\Windows\system32\find.exe
          find /i /v "md5"
          3⤵
            PID:5088
          • C:\Windows\system32\find.exe
            find /i /v "certutil"
            3⤵
              PID:2344
        • 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=3144,i,1697479186275492802,18058102846092193784,262144 --variations-seed-version --mojo-platform-channel-handle=4292 /prefetch:8
          1⤵
            PID:2256

          Network

          MITRE ATT&CK Enterprise v15

          Replay Monitor

          Loading Replay Monitor...

          Downloads

          • memory/1816-0-0x00007FF64DF30000-0x00007FF64E9CF000-memory.dmp

            Filesize

            10.6MB

          • memory/1816-1-0x00007FFC16BD0000-0x00007FFC16BD2000-memory.dmp

            Filesize

            8KB

          • memory/1816-2-0x00007FF64DF30000-0x00007FF64E9CF000-memory.dmp

            Filesize

            10.6MB

          • memory/1816-3-0x00007FF64DF30000-0x00007FF64E9CF000-memory.dmp

            Filesize

            10.6MB

          • memory/1816-4-0x00007FF64DF30000-0x00007FF64E9CF000-memory.dmp

            Filesize

            10.6MB

          • memory/1816-6-0x00007FF64DF30000-0x00007FF64E9CF000-memory.dmp

            Filesize

            10.6MB

          • memory/1816-5-0x00007FF64DF30000-0x00007FF64E9CF000-memory.dmp

            Filesize

            10.6MB

          • memory/1816-7-0x00007FF64DF30000-0x00007FF64E9CF000-memory.dmp

            Filesize

            10.6MB

          • memory/1816-8-0x00007FF64DF30000-0x00007FF64E9CF000-memory.dmp

            Filesize

            10.6MB

          • memory/1816-9-0x00007FF64DF30000-0x00007FF64E9CF000-memory.dmp

            Filesize

            10.6MB