Analysis

  • max time kernel
    58s
  • max time network
    65s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240226-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
  • submitted
    26-06-2024 21:10

General

  • Target

    f036e1ccae9f4a1f50f3d75cead709e3a817f99c39adabc7573a2143f64e7858.xls

  • Size

    715KB

  • MD5

    e3cf707b9c567f6d5ff98d7eaa16ff6d

  • SHA1

    ec7c59cc1157cbffc1c5b19475f5f93d2982e2d0

  • SHA256

    f036e1ccae9f4a1f50f3d75cead709e3a817f99c39adabc7573a2143f64e7858

  • SHA512

    06c0e9ea87cb09b0e10392d6beeed74c9d58d23a192268f1efee4868526cdf4ce376ed6a67da210a7dd7e1bd442f6a41679d691b957d13f8d5dde9c1442a189f

  • SSDEEP

    12288:iRsUpcHnXXzNkRKFfsAqdlVDczXZejbeAQjSY4VTZoLtq57kWjuNMfK:iRsSc3DGUFfpqdUzXM/GjS/VTZoIP

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.

  • Executes dropped EXE 1 IoCs
  • 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 use of FindShellTrayWindow 2 IoCs
  • Suspicious use of SetWindowsHookEx 12 IoCs
  • Suspicious use of WriteProcessMemory 10 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\f036e1ccae9f4a1f50f3d75cead709e3a817f99c39adabc7573a2143f64e7858.xls"
    1⤵
    • 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:4888
    • C:\Windows\SYSTEM32\cmd.exe
      cmd /c C:\Windows\Microsoft.NET\Framework\v4.0.30319\csc.exe /target:winexe /out:"C:\Users\Admin\AppData\Roaming\Microsoft\gocy02av625z.exe" "C:\Users\Admin\AppData\Roaming\Microsoft\c64al7yembd6.cs" & "C:\Users\Admin\AppData\Roaming\Microsoft\gocy02av625z.exe"
      2⤵
      • Process spawned unexpected child process
      • Suspicious use of WriteProcessMemory
      PID:416
      • C:\Windows\Microsoft.NET\Framework\v4.0.30319\csc.exe
        C:\Windows\Microsoft.NET\Framework\v4.0.30319\csc.exe /target:winexe /out:"C:\Users\Admin\AppData\Roaming\Microsoft\gocy02av625z.exe" "C:\Users\Admin\AppData\Roaming\Microsoft\c64al7yembd6.cs"
        3⤵
        • Suspicious use of WriteProcessMemory
        PID:3744
        • C:\Windows\Microsoft.NET\Framework\v4.0.30319\cvtres.exe
          C:\Windows\Microsoft.NET\Framework\v4.0.30319\cvtres.exe /NOLOGO /READONLY /MACHINE:IX86 "/OUT:C:\Users\Admin\AppData\Local\Temp\RESD462.tmp" "c:\Users\Admin\AppData\Roaming\Microsoft\CSCDEB8B8A2BD4F41AB9EE0D1A577A5ADAE.TMP"
          4⤵
            PID:1108
        • C:\Users\Admin\AppData\Roaming\Microsoft\gocy02av625z.exe
          "C:\Users\Admin\AppData\Roaming\Microsoft\gocy02av625z.exe"
          3⤵
          • Executes dropped EXE
          PID:2440
    • 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=5240 --field-trial-handle=3240,i,13319578961094268484,16557498665191861597,262144 --variations-seed-version /prefetch:8
      1⤵
        PID:5040

      Network

      MITRE ATT&CK Enterprise v15

      Replay Monitor

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      Downloads

      • C:\Users\Admin\AppData\Local\Temp\RESD462.tmp

        Filesize

        1KB

        MD5

        2331068d32223e4d450713705226ac5a

        SHA1

        a80f7df3715e1ee8bbd4d17d15108bdf6501f561

        SHA256

        e459d96c53b5da03f032c586ecca8f50f7a3aa8c30d578e563bdb190f093f5b5

        SHA512

        50b73ce045de71ca4471e40e62158b29174f0be39ad654ec468e2a1d2a5567c936a0d95a5469c560a0dddbdb3bfcdcdadd49cb886225a6d0de5f30008783d2d4

      • C:\Users\Admin\AppData\Roaming\Microsoft\gocy02av625z.exe

        Filesize

        6KB

        MD5

        e31c65e3fbfd29194d1e82ddac0a9616

        SHA1

        47de0704fc51e5b0881c783b68149acb89803e4b

        SHA256

        cc08489670687e99f577c56cf9c83aa99fd07d99d45a0822ec6700869fd5ebf0

        SHA512

        f66d73e42d4182075fcb2b859b62b31c9c513fe967087286df94d20ac4863f7599a556f6234ccdb4a808400b4646103f79d6c27eabd0bf80af00bf69a57066c0

      • \??\c:\Users\Admin\AppData\Roaming\Microsoft\CSCDEB8B8A2BD4F41AB9EE0D1A577A5ADAE.TMP

        Filesize

        1KB

        MD5

        abd2700e2647c14c1cc19afbdd37f8c7

        SHA1

        ecdc1cbfedaabeec9f4d8dc0cf8e9c207ac0046b

        SHA256

        030e240ce92ca9806d89677adc2a2c4fc8dbe4e7ac35ede3a56ae20120c6c87b

        SHA512

        5d9389d1aa2055cdca9909a5b1dbfff91695c393c230b907bbb71bba2b54dfd5b2bfdcd2986fd7596bdc004739653e598db050f931cfb91f8ed844f07bbdb5e2

      • \??\c:\Users\Admin\AppData\Roaming\Microsoft\c64al7yembd6.cs

        Filesize

        2KB

        MD5

        3d6a86624aed949ac6b72ecfac76ff6d

        SHA1

        bdbb6a1619b57c5ee0e8577fc25b74ff29c74e94

        SHA256

        b00fdf715ad530babc4a92749ff05cdeee1eb81069f28fbe4ae27933d74533e0

        SHA512

        b2fc0f8218bd9c8c534adf7c8716bb60f3de94a3e73c9e77515fa927c681d1b7c1fdc1b83a92f5ee5ef75d9a3279cc2db1a3b118332b346148a239555b14a1ae

      • memory/2440-92-0x0000000000B10000-0x0000000000B18000-memory.dmp

        Filesize

        32KB

      • memory/4888-14-0x00007FF9A6730000-0x00007FF9A6925000-memory.dmp

        Filesize

        2.0MB

      • memory/4888-19-0x00007FF964470000-0x00007FF964480000-memory.dmp

        Filesize

        64KB

      • memory/4888-9-0x00007FF9A6730000-0x00007FF9A6925000-memory.dmp

        Filesize

        2.0MB

      • memory/4888-8-0x00007FF9A6730000-0x00007FF9A6925000-memory.dmp

        Filesize

        2.0MB

      • memory/4888-6-0x00007FF9667B0000-0x00007FF9667C0000-memory.dmp

        Filesize

        64KB

      • memory/4888-10-0x00007FF9A6730000-0x00007FF9A6925000-memory.dmp

        Filesize

        2.0MB

      • memory/4888-12-0x00007FF9A6730000-0x00007FF9A6925000-memory.dmp

        Filesize

        2.0MB

      • memory/4888-11-0x00007FF9A6730000-0x00007FF9A6925000-memory.dmp

        Filesize

        2.0MB

      • memory/4888-13-0x00007FF964470000-0x00007FF964480000-memory.dmp

        Filesize

        64KB

      • memory/4888-1-0x00007FF9667B0000-0x00007FF9667C0000-memory.dmp

        Filesize

        64KB

      • memory/4888-15-0x00007FF9A6730000-0x00007FF9A6925000-memory.dmp

        Filesize

        2.0MB

      • memory/4888-16-0x00007FF9A6730000-0x00007FF9A6925000-memory.dmp

        Filesize

        2.0MB

      • memory/4888-17-0x00007FF9A6730000-0x00007FF9A6925000-memory.dmp

        Filesize

        2.0MB

      • memory/4888-7-0x00007FF9A6730000-0x00007FF9A6925000-memory.dmp

        Filesize

        2.0MB

      • memory/4888-28-0x00007FF9A67CD000-0x00007FF9A67CE000-memory.dmp

        Filesize

        4KB

      • memory/4888-29-0x00007FF9A6730000-0x00007FF9A6925000-memory.dmp

        Filesize

        2.0MB

      • memory/4888-30-0x00007FF9A6730000-0x00007FF9A6925000-memory.dmp

        Filesize

        2.0MB

      • memory/4888-31-0x00007FF9A6730000-0x00007FF9A6925000-memory.dmp

        Filesize

        2.0MB

      • memory/4888-45-0x00007FF9A6730000-0x00007FF9A6925000-memory.dmp

        Filesize

        2.0MB

      • memory/4888-55-0x00007FF9A6730000-0x00007FF9A6925000-memory.dmp

        Filesize

        2.0MB

      • memory/4888-0-0x00007FF9A67CD000-0x00007FF9A67CE000-memory.dmp

        Filesize

        4KB

      • memory/4888-82-0x00007FF9A6730000-0x00007FF9A6925000-memory.dmp

        Filesize

        2.0MB

      • memory/4888-2-0x00007FF9667B0000-0x00007FF9667C0000-memory.dmp

        Filesize

        64KB

      • memory/4888-4-0x00007FF9A6730000-0x00007FF9A6925000-memory.dmp

        Filesize

        2.0MB

      • memory/4888-5-0x00007FF9667B0000-0x00007FF9667C0000-memory.dmp

        Filesize

        64KB

      • memory/4888-3-0x00007FF9667B0000-0x00007FF9667C0000-memory.dmp

        Filesize

        64KB