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Analysis

  • max time kernel
    120s
  • max time network
    124s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    24/12/2024, 10:34

General

  • Target

    doc_main_13.docx

  • Size

    111KB

  • MD5

    9084e4d8ac94932754f159bc8cd1d6d9

  • SHA1

    f79cb584125657f838d93eba298a0a9f03c13788

  • SHA256

    a0b090d191661c0f390d924b084eefa2688ea185fd8eeade4f8718fc6d7dff2b

  • SHA512

    d0c593e2f13321cd2c10bb3d7f4a22dea0dd9c4165cead90ac4f292e34e0d56ae95f040ecf40630884a748522485c6374852238e240a0cb7fc3788690be07d8a

  • SSDEEP

    3072:WeBQAhNHh83WrtH8ynSlP2UUQk+CmLSZHU:PLvB83+cySlVYmL9

Score
7/10

Malware Config

Signatures

  • Abuses OpenXML format to download file from external location
  • Drops file in Windows directory 1 IoCs
  • 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.

  • Office loads VBA resources, possible macro or embedded object present
  • Suspicious behavior: AddClipboardFormatListener 1 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 4 IoCs

Processes

  • C:\Program Files (x86)\Microsoft Office\Office14\WINWORD.EXE
    "C:\Program Files (x86)\Microsoft Office\Office14\WINWORD.EXE" /n "C:\Users\Admin\AppData\Local\Temp\doc_main_13.docx"
    1⤵
    • Drops file in Windows directory
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: AddClipboardFormatListener
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:2788
    • C:\Windows\splwow64.exe
      C:\Windows\splwow64.exe 12288
      2⤵
        PID:1736

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\Users\Admin\AppData\Local\Microsoft\Office\14.0\OfficeFileCache\FSD-CNRY.FSD

      Filesize

      128KB

      MD5

      daf1b14b87eec49efe58e6b928fbce08

      SHA1

      1b625a3e5a110de9e59594e6fc4a20394c609581

      SHA256

      bf1a3557993091e1cbe9ae6186afbf77e439624e5d05c35e1602612056d314c0

      SHA512

      8ce88fffb4ae60e17e82a93e7c758f453fb4bc1ee45682379d2af3f90485ba14e5e678fbd0213ee318be20eed50ca10b6215907c39d1a444fda06f4730f954a4

    • C:\Users\Admin\AppData\Local\Microsoft\Office\14.0\OfficeFileCache\FSD-{AD3A1112-CDA8-4BE8-BE94-D1C3451CD418}.FSD

      Filesize

      128KB

      MD5

      2824febe7ef31436a2b2def40b6be838

      SHA1

      84eae773cb1f31c913f5a8a01f250d2cc444b38d

      SHA256

      02d71ac18195a82486893afdcbeda26d24e055c25cfd246cecdba1084da17f9a

      SHA512

      df73dc1adbefebf9783dab83df5cf3d47fc11fc6e0f29cd86af9f8b37cb62ccd2dd2eb2b6d24f063cc8d28b7493ebfb24bc9f82d1588743f6c168aee88c957cb

    • C:\Users\Admin\AppData\Local\Microsoft\Office\14.0\OfficeFileCache\LocalCacheFileEditManager\FSD-CNRY.FSD

      Filesize

      128KB

      MD5

      c99708eeaa15fffcdc418447121fb34c

      SHA1

      36d33c763f5898a388aeda0aba013c473de1e59a

      SHA256

      f6f787b15f37d7a7e8b49f72cb0ffcd52a0213bad11352ad31b176058e5c176b

      SHA512

      c5036d2c65df0cf8ec826187e18f757d68a88b14bfb5b6836f8dcaf4c54594cc8e4e0ee38c4701305152c9dbe5e918b81d1f81f69cff94fe281f1198ec473ad0

    • C:\Users\Admin\AppData\Local\Microsoft\Office\14.0\OfficeFileCache\LocalCacheFileEditManager\FSD-{4CB653DE-0C73-4F2D-BD3B-7B41193B19B3}.FSD

      Filesize

      128KB

      MD5

      061a5a1545535af6acc84d9ecfd7b7e0

      SHA1

      7b6e615af3e3ddb6d92499a3bc0af74bd886df6b

      SHA256

      ab8dc3d58c1fd3692eb3bdd07a04ca7024f62e3f99a33f8bb396ed406bb30335

      SHA512

      f4d9f3834607a6ef66d3ac76910f08ea7f62cd930e1e76329d8c98605914308d322c8dc5377d2288a87456bf30b5d6ae29c3e47c20b3a26da6990344d2df387d

    • C:\Users\Admin\AppData\Local\Temp\{B841AACF-EA62-400E-939B-652B2B78FF6D}

      Filesize

      128KB

      MD5

      8cca590145fd985d8e916989106b3094

      SHA1

      7758879e0d4856a1c813d73a7a9f276e166c0949

      SHA256

      8e7675ffbfe582cd3e1fb7fa1258c28adb5dd9db31479e1aa739636984d848ab

      SHA512

      7ab40e5b9cffc72ef841c2441feb7c590aff65de3f28acd8a0324b46332eee731e19a4d060411162fa6a084443ecab28025f82d726d2bcd5eca10fd320e91aa7

    • memory/2788-0-0x000000002F081000-0x000000002F082000-memory.dmp

      Filesize

      4KB

    • memory/2788-1-0x000000005FFF0000-0x0000000060000000-memory.dmp

      Filesize

      64KB

    • memory/2788-2-0x000000007105D000-0x0000000071068000-memory.dmp

      Filesize

      44KB

    • memory/2788-66-0x000000007105D000-0x0000000071068000-memory.dmp

      Filesize

      44KB