Resubmissions

30/05/2023, 02:45

230530-c82hjaeg66 4

Analysis

  • max time kernel
    54s
  • max time network
    32s
  • platform
    windows7_x64
  • resource
    win7-20230220-en
  • resource tags

    arch:x64arch:x86image:win7-20230220-enlocale:en-usos:windows7-x64system
  • submitted
    30/05/2023, 02:45

General

  • Target

    05-2022-0438.docx

  • Size

    10KB

  • MD5

    52945af1def85b171870b31fa4782e52

  • SHA1

    06727ffda60359236a8029e0b3e8a0fd11c23313

  • SHA256

    4a24048f81afbe9fb62e7a6a49adbd1faf41f266b5f9feecdceb567aec096784

  • SHA512

    58849f65d1ef86eacb905569919975d88094e075f6cd23efc4b481ad17af2c475a9834178f3ffcb4cd3ac984d21ed8dc1919141133c19fd647ca48a8d3e2b183

  • SSDEEP

    192:AEhM7fIUU09264wptGheab8h7Z/c+8poF1d3jvvtl59rGxjPQDasYBcG7h+:AqWfIz092hwLGAabkcfa7pr1lzyxjPQ9

Score
4/10

Malware Config

Signatures

  • Drops file in Windows directory 1 IoCs
  • Office loads VBA resources, possible macro or embedded object present
  • Modifies Internet Explorer settings 1 TTPs 31 IoCs
  • Modifies registry class 64 IoCs
  • NTFS ADS 1 IoCs
  • 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\05-2022-0438.docx"
    1⤵
    • Drops file in Windows directory
    • Modifies Internet Explorer settings
    • Modifies registry class
    • NTFS ADS
    • Suspicious behavior: AddClipboardFormatListener
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:1696
    • C:\Windows\splwow64.exe
      C:\Windows\splwow64.exe 12288
      2⤵
        PID:1800

    Network

    MITRE ATT&CK Enterprise v6

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\Users\Admin\AppData\Local\Microsoft\Office\14.0\OfficeFileCache\FSD-{CEBC7BC9-376F-4DB2-BE36-CBD662559E64}.FSD

      Filesize

      128KB

      MD5

      3d0a9e28f7a9cfd1d044c262d91ab640

      SHA1

      24639a7da77072068616860390bbf299f196c595

      SHA256

      0651f7f89c24b28a37a171d64a81f7cb5bd4aa4f16f7988730b425a619da9538

      SHA512

      f87a87a2dd0164887a61ae7f62ef86022022b5c5438aba089426b4a93a51888e25e9f8c096c50e9206e6869432199f3f61e5f9b2745ecbac7f0e22e79f4beb07

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

      Filesize

      128KB

      MD5

      41838c49c28945813d629406f899c1c1

      SHA1

      74beb69f91648da61f6c264e9b82cc7a5caa2e44

      SHA256

      318ad803cb61f73fd90a88ea2bf07eafb4ddbcacd4c744d2494255d0b5a04ddc

      SHA512

      1757f721854de5c96652d92722ddb5b6eccdd81bd44f3f4526b997d33c87c3dc94d5750327be714882ee628e9ba743fbd3a7157cea2e2e1da93ea6a1d63c36bb

    • C:\Users\Admin\AppData\Local\Microsoft\Office\14.0\OfficeFileCache\LocalCacheFileEditManager\FSD-{E51A2CFE-929F-409D-B521-D715E053B49F}.FSD

      Filesize

      128KB

      MD5

      0e55f33fb75cb7d519310a167ab44cca

      SHA1

      7146c879c5f65b41f9041b71f5872fd003304d27

      SHA256

      35ec04c8dfcc2e6f90553b8cfa3663c1c8698da6d9d839c1db9175c6e07e864a

      SHA512

      e28eb825b24320394804281b078db5e67d229c4060d73a97e9a525b4bcd33a48220bac35d7de0df6df7ec0eec80d3ac84c37251445bcf240f0fb0d481ff12891

    • C:\Users\Admin\AppData\Local\Temp\{0C2558E0-B477-40DC-95ED-04C41DD773EF}

      Filesize

      128KB

      MD5

      b6852d2aac8ffc174278cb21ee57d4a5

      SHA1

      9b2d00e582de9e1149d5e4b62cbdcbf53bdf4c47

      SHA256

      9e37d4c09f2086b0c5919430a2b11f9dc1dd2b3719b3fb0744b41844ef1b61d3

      SHA512

      da16ecfcfff97db0842152d606dbdce359665902a55414d1221190573afe477b983a940c5dde3fa0a8e64d668fa37ecde1b08d58757d8f499ecd250f457b7bf2

    • memory/1696-54-0x000000005FFF0000-0x0000000060000000-memory.dmp

      Filesize

      64KB