Analysis

  • max time kernel
    151s
  • max time network
    151s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240226-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
  • submitted
    09-06-2024 10:50

General

  • Target

    d68a95d3261a2cab1f4df507df39b6a7911c67cc0333362fff36f01c23a3e879.exe

  • Size

    2.5MB

  • MD5

    6d97ecda69a3b949d29fe88d2f31d95d

  • SHA1

    e6730ad822f7c91d3501a401aca1b1c323ca73cb

  • SHA256

    d68a95d3261a2cab1f4df507df39b6a7911c67cc0333362fff36f01c23a3e879

  • SHA512

    4ba4460b9d3a8e1e8575efcfc1921186894f793e307b3c4b9cfc5c83a291b8cdb982c28fab25240124ead5f74fcf71ffc5c8310fcd7bac573aa1314486b9be72

  • SSDEEP

    49152:MxmvumkQ9lY9sgUXdTPSxdQ8KX75IyuWuCjcCqWOyx5:Mxx9NUFkQx753uWuCyyx5

Malware Config

Signatures

  • Modifies visiblity of hidden/system files in Explorer 2 TTPs 2 IoCs
  • Detects executables packed with Themida 17 IoCs
  • Identifies VirtualBox via ACPI registry values (likely anti-VM) 2 TTPs 5 IoCs
  • Checks BIOS information in registry 2 TTPs 10 IoCs

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

  • Executes dropped EXE 4 IoCs
  • Themida packer 17 IoCs

    Detects Themida, an advanced Windows software protection system.

  • Adds Run key to start application 2 TTPs 4 IoCs
  • Checks whether UAC is enabled 1 TTPs 5 IoCs
  • Drops file in System32 directory 2 IoCs
  • Suspicious use of NtSetInformationThreadHideFromDebugger 5 IoCs
  • Drops file in Windows directory 4 IoCs
  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 2 IoCs
  • Suspicious use of SetWindowsHookEx 10 IoCs
  • Suspicious use of WriteProcessMemory 12 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\d68a95d3261a2cab1f4df507df39b6a7911c67cc0333362fff36f01c23a3e879.exe
    "C:\Users\Admin\AppData\Local\Temp\d68a95d3261a2cab1f4df507df39b6a7911c67cc0333362fff36f01c23a3e879.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
    • Drops file in Windows directory
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:4888
    • \??\c:\windows\resources\themes\explorer.exe
      c:\windows\resources\themes\explorer.exe
      2⤵
      • Modifies visiblity of hidden/system files in Explorer
      • Identifies VirtualBox via ACPI registry values (likely anti-VM)
      • Checks BIOS information in registry
      • Executes dropped EXE
      • Adds Run key to start application
      • Checks whether UAC is enabled
      • Drops file in System32 directory
      • Suspicious use of NtSetInformationThreadHideFromDebugger
      • Drops file in Windows directory
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious behavior: GetForegroundWindowSpam
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:4324
      • \??\c:\windows\resources\spoolsv.exe
        c:\windows\resources\spoolsv.exe SE
        3⤵
        • Identifies VirtualBox via ACPI registry values (likely anti-VM)
        • Checks BIOS information in registry
        • Executes dropped EXE
        • Checks whether UAC is enabled
        • Suspicious use of NtSetInformationThreadHideFromDebugger
        • Drops file in Windows directory
        • Suspicious use of SetWindowsHookEx
        • Suspicious use of WriteProcessMemory
        PID:2776
        • \??\c:\windows\resources\svchost.exe
          c:\windows\resources\svchost.exe
          4⤵
          • Modifies visiblity of hidden/system files in Explorer
          • Identifies VirtualBox via ACPI registry values (likely anti-VM)
          • Checks BIOS information in registry
          • Executes dropped EXE
          • Adds Run key to start application
          • Checks whether UAC is enabled
          • Drops file in System32 directory
          • Suspicious use of NtSetInformationThreadHideFromDebugger
          • Suspicious behavior: GetForegroundWindowSpam
          • Suspicious use of SetWindowsHookEx
          • Suspicious use of WriteProcessMemory
          PID:4612
          • \??\c:\windows\resources\spoolsv.exe
            c:\windows\resources\spoolsv.exe PR
            5⤵
            • Identifies VirtualBox via ACPI registry values (likely anti-VM)
            • Checks BIOS information in registry
            • Executes dropped EXE
            • Checks whether UAC is enabled
            • Suspicious use of NtSetInformationThreadHideFromDebugger
            • Suspicious use of SetWindowsHookEx
            PID:3296
  • 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 --mojo-platform-channel-handle=3984 --field-trial-handle=2252,i,16022092570067181109,3235558581947505669,262144 --variations-seed-version /prefetch:8
    1⤵
      PID:4092

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\Windows\Resources\Themes\explorer.exe

      Filesize

      2.5MB

      MD5

      f40a76818232bb0e2eafd8263cb89614

      SHA1

      cd4948df94cd067a264a5353dc29795d6b55ebaa

      SHA256

      4670e7fd2479b4a3200186c1a7011ed65ae16925d2103d4a80d75899fd097904

      SHA512

      d0c72f49b3c9f9d3cec0a0dc142acdd335d82b843cb673c4564056994e429b99ef64a0bfce9c3199f239a6d68fee86cafdb4f3da145e63f51f96420a0a99d9a1

    • C:\Windows\Resources\spoolsv.exe

      Filesize

      2.5MB

      MD5

      288d084162a242c193e48b915e05eb19

      SHA1

      eb9d179cf5506d9d6c12006461c200cbf9260077

      SHA256

      9c0f7c35584b466ea280add989a9ffbb195c5b791b6b54cce2c959dc5922fe02

      SHA512

      dd6a199229d0a7d055dca87c85c47102de6ef6f9d1ffedc0b6e3f667b80db7743fd82bfe72b56fcde39cfd098ded49383988bb2c652e4ac993cfccd2ea63514f

    • C:\Windows\Resources\svchost.exe

      Filesize

      2.5MB

      MD5

      4deec214943e86c0ed66c8eb02f510fe

      SHA1

      0d8a4b02332fd127d47fffdc978eb58c48791559

      SHA256

      439d9b14c20a251ad50344f58ba321681869ab48e0497fffb3dbec68d358e493

      SHA512

      98bc6ed07e66713544375fa8df9ed768a9c6e97147a0997e3af42b4d8e4e27eda3affea6dab9b7d7897e27e3cb64720a0a307a251df67e8d9d0ea73345bbd691

    • memory/2776-19-0x0000000000400000-0x0000000000A0E000-memory.dmp

      Filesize

      6.1MB

    • memory/2776-40-0x0000000000400000-0x0000000000A0E000-memory.dmp

      Filesize

      6.1MB

    • memory/3296-33-0x0000000000400000-0x0000000000A0E000-memory.dmp

      Filesize

      6.1MB

    • memory/3296-39-0x0000000000400000-0x0000000000A0E000-memory.dmp

      Filesize

      6.1MB

    • memory/4324-10-0x0000000000400000-0x0000000000A0E000-memory.dmp

      Filesize

      6.1MB

    • memory/4324-42-0x0000000000400000-0x0000000000A0E000-memory.dmp

      Filesize

      6.1MB

    • memory/4324-55-0x0000000000400000-0x0000000000A0E000-memory.dmp

      Filesize

      6.1MB

    • memory/4324-63-0x0000000000400000-0x0000000000A0E000-memory.dmp

      Filesize

      6.1MB

    • memory/4612-28-0x0000000000400000-0x0000000000A0E000-memory.dmp

      Filesize

      6.1MB

    • memory/4612-43-0x0000000000400000-0x0000000000A0E000-memory.dmp

      Filesize

      6.1MB

    • memory/4612-46-0x0000000000400000-0x0000000000A0E000-memory.dmp

      Filesize

      6.1MB

    • memory/4612-68-0x0000000000400000-0x0000000000A0E000-memory.dmp

      Filesize

      6.1MB

    • memory/4888-0-0x0000000000400000-0x0000000000A0E000-memory.dmp

      Filesize

      6.1MB

    • memory/4888-41-0x0000000000400000-0x0000000000A0E000-memory.dmp

      Filesize

      6.1MB

    • memory/4888-1-0x00000000778E4000-0x00000000778E6000-memory.dmp

      Filesize

      8KB