Analysis

  • max time kernel
    120s
  • max time network
    120s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    21-09-2024 21:37

General

  • Target

    d1d30ca2f6e6b3a9f1207400822da6d4f79ec4118b3df1ed9dad914a6943311bN.exe

  • Size

    1.9MB

  • MD5

    85dedf0782097f4161cb3380c8baba00

  • SHA1

    d10a340a41b396e0b2779d9632479e064f8eb81b

  • SHA256

    d1d30ca2f6e6b3a9f1207400822da6d4f79ec4118b3df1ed9dad914a6943311b

  • SHA512

    06eaa4ae5944a8b8d3fdfe3d8b074d1307bbdb923df7187f9ca77f1977cc3494aae94888991f726060379367a208bab260fed8f8204e6b1e2af18f90b1b57fdf

  • SSDEEP

    49152:ISlNHydXboE+2pKWTvP6p9kB/GS0fsXCFr:ISjydNCYn0+S

Malware Config

Signatures

  • Modifies visiblity of hidden/system files in Explorer 2 TTPs 2 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
  • Identifies Wine through registry keys 2 TTPs 5 IoCs

    Wine is a compatibility layer capable of running Windows applications, which can be used as sandboxing environment.

  • Adds Run key to start application 2 TTPs 4 IoCs
  • Drops file in System32 directory 2 IoCs
  • Suspicious use of NtSetInformationThreadHideFromDebugger 5 IoCs
  • Drops file in Windows directory 4 IoCs
  • System Location Discovery: System Language Discovery 1 TTPs 5 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • 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\d1d30ca2f6e6b3a9f1207400822da6d4f79ec4118b3df1ed9dad914a6943311bN.exe
    "C:\Users\Admin\AppData\Local\Temp\d1d30ca2f6e6b3a9f1207400822da6d4f79ec4118b3df1ed9dad914a6943311bN.exe"
    1⤵
    • Identifies VirtualBox via ACPI registry values (likely anti-VM)
    • Checks BIOS information in registry
    • Identifies Wine through registry keys
    • Suspicious use of NtSetInformationThreadHideFromDebugger
    • Drops file in Windows directory
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:4768
    • \??\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
      • Identifies Wine through registry keys
      • Adds Run key to start application
      • Drops file in System32 directory
      • Suspicious use of NtSetInformationThreadHideFromDebugger
      • Drops file in Windows directory
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious behavior: GetForegroundWindowSpam
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:2352
      • \??\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
        • Identifies Wine through registry keys
        • Suspicious use of NtSetInformationThreadHideFromDebugger
        • Drops file in Windows directory
        • System Location Discovery: System Language Discovery
        • Suspicious use of SetWindowsHookEx
        • Suspicious use of WriteProcessMemory
        PID:4224
        • \??\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
          • Identifies Wine through registry keys
          • Adds Run key to start application
          • Drops file in System32 directory
          • Suspicious use of NtSetInformationThreadHideFromDebugger
          • System Location Discovery: System Language Discovery
          • Suspicious behavior: GetForegroundWindowSpam
          • Suspicious use of SetWindowsHookEx
          • Suspicious use of WriteProcessMemory
          PID:4028
          • \??\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
            • Identifies Wine through registry keys
            • Suspicious use of NtSetInformationThreadHideFromDebugger
            • System Location Discovery: System Language Discovery
            • Suspicious use of SetWindowsHookEx
            PID:3208
  • 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 --field-trial-handle=4396,i,7447299413640964517,4240724842020506306,262144 --variations-seed-version --mojo-platform-channel-handle=3944 /prefetch:8
    1⤵
      PID:2876

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

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    Downloads

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

      Filesize

      1.9MB

      MD5

      cce71ea01bda14bab18fe9262e76eac9

      SHA1

      853905407a5b9c9879411402614e4bccf517c27f

      SHA256

      70458865a4d37297372461e4520c75e2f1fe759625eabdb04cbffaed83367f7f

      SHA512

      b4c3d8943350079f2d6bf17ab421fa86837da345c94f13fb4b210ba4d073c05e265ac0dae6a645294a64a6a8af3cc66e85c3b7c241b3e505cb565f99c4f54a0d

    • C:\Windows\Resources\spoolsv.exe

      Filesize

      1.9MB

      MD5

      01f78f7ab4faaaae7921536213fc601c

      SHA1

      acac6d6befd1ab006ac5c6807cb2a8089cdb4a2d

      SHA256

      33da2f83b1a696b8ad0588affa89ec5a681ba37ac4db7a19802bc79b6431d4a2

      SHA512

      84475fdb64adb76af4fc825fa1377824852148f291df017a723b45d2cc240d8fd3bb4eaf37513a9b189d40ecc6fc105c1040cbca7346a611475f99166bb0e087

    • C:\Windows\Resources\svchost.exe

      Filesize

      1.9MB

      MD5

      7dd8c296e3491feacc905884351f40d4

      SHA1

      f3521babb2cea382f8b9cf6154b8372c35f8e328

      SHA256

      e7568430d57fd6ca2978839a666f32997cf811e662397bf39598cf6427ced45d

      SHA512

      3221a4c83a8d138c13dcce0de2237b93a67f14522420dd0784721ddcbcdd3b7eafa161ce0ea10adcb0e3bb7bb4d979401e3574b53b3f78c5df82d40da3a7e7a5

    • memory/2352-45-0x0000000000400000-0x0000000000873000-memory.dmp

      Filesize

      4.4MB

    • memory/2352-47-0x0000000000400000-0x0000000000873000-memory.dmp

      Filesize

      4.4MB

    • memory/2352-59-0x0000000000400000-0x0000000000873000-memory.dmp

      Filesize

      4.4MB

    • memory/2352-57-0x0000000000400000-0x0000000000873000-memory.dmp

      Filesize

      4.4MB

    • memory/2352-38-0x0000000000400000-0x0000000000873000-memory.dmp

      Filesize

      4.4MB

    • memory/2352-39-0x0000000000400000-0x0000000000873000-memory.dmp

      Filesize

      4.4MB

    • memory/2352-55-0x0000000000400000-0x0000000000873000-memory.dmp

      Filesize

      4.4MB

    • memory/2352-41-0x0000000000400000-0x0000000000873000-memory.dmp

      Filesize

      4.4MB

    • memory/2352-53-0x0000000000400000-0x0000000000873000-memory.dmp

      Filesize

      4.4MB

    • memory/2352-43-0x0000000000400000-0x0000000000873000-memory.dmp

      Filesize

      4.4MB

    • memory/2352-51-0x0000000000400000-0x0000000000873000-memory.dmp

      Filesize

      4.4MB

    • memory/2352-49-0x0000000000400000-0x0000000000873000-memory.dmp

      Filesize

      4.4MB

    • memory/3208-33-0x0000000000400000-0x0000000000873000-memory.dmp

      Filesize

      4.4MB

    • memory/4028-40-0x0000000000400000-0x0000000000873000-memory.dmp

      Filesize

      4.4MB

    • memory/4028-54-0x0000000000400000-0x0000000000873000-memory.dmp

      Filesize

      4.4MB

    • memory/4028-60-0x0000000000400000-0x0000000000873000-memory.dmp

      Filesize

      4.4MB

    • memory/4028-50-0x0000000000400000-0x0000000000873000-memory.dmp

      Filesize

      4.4MB

    • memory/4028-44-0x0000000000400000-0x0000000000873000-memory.dmp

      Filesize

      4.4MB

    • memory/4028-52-0x0000000000400000-0x0000000000873000-memory.dmp

      Filesize

      4.4MB

    • memory/4028-42-0x0000000000400000-0x0000000000873000-memory.dmp

      Filesize

      4.4MB

    • memory/4028-48-0x0000000000400000-0x0000000000873000-memory.dmp

      Filesize

      4.4MB

    • memory/4028-46-0x0000000000400000-0x0000000000873000-memory.dmp

      Filesize

      4.4MB

    • memory/4028-56-0x0000000000400000-0x0000000000873000-memory.dmp

      Filesize

      4.4MB

    • memory/4028-58-0x0000000000400000-0x0000000000873000-memory.dmp

      Filesize

      4.4MB

    • memory/4224-36-0x0000000000400000-0x0000000000873000-memory.dmp

      Filesize

      4.4MB

    • memory/4768-37-0x0000000000400000-0x0000000000873000-memory.dmp

      Filesize

      4.4MB

    • memory/4768-0-0x0000000000400000-0x0000000000873000-memory.dmp

      Filesize

      4.4MB