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Analysis

  • max time kernel
    1742s
  • max time network
    1566s
  • platform
    windows7_x64
  • resource
    win7-20231020-en
  • resource tags

    arch:x64arch:x86image:win7-20231020-enlocale:en-usos:windows7-x64system
  • submitted
    16/11/2023, 07:29

General

  • Target

    docs 06.02.2021.docm

  • Size

    43KB

  • MD5

    f08771b9fdfe82caaa089641e2348c8e

  • SHA1

    b02c121597c9d56d7fab76b54834d5f3bd961e8c

  • SHA256

    cc721111b5924cfeb91440ecaccc60ecc30d10fffbdab262f7c0a17027f527d1

  • SHA512

    3bb2b582e7119c346473f78056f95e0890a3e74976de733739af9aaef810c4e62b35d7f81ec52acfbf675d3d501a048a36fa323ef76ee8843502424211b46ebd

  • SSDEEP

    768:u5WkgUEeFPIlj5oQ0fUDjxXSwU/+BtgKpyAAlQg6DPLFXS:plekVoQTCFmgKpslepC

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.

  • Drops file in Windows directory 1 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Office loads VBA resources, possible macro or embedded object present
  • Modifies Internet Explorer settings 1 TTPs 32 IoCs
  • Modifies registry class 64 IoCs
  • Suspicious behavior: AddClipboardFormatListener 1 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 19 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\docs 06.02.2021.docm"
    1⤵
    • Drops file in Windows directory
    • Modifies Internet Explorer settings
    • Modifies registry class
    • Suspicious behavior: AddClipboardFormatListener
    • Suspicious behavior: GetForegroundWindowSpam
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:2384
    • C:\Windows\SysWOW64\explorer.exe
      explorer collectionBoxConst.hta
      2⤵
      • Process spawned unexpected child process
      PID:2964
    • C:\Windows\splwow64.exe
      C:\Windows\splwow64.exe 12288
      2⤵
        PID:2564
    • C:\Windows\explorer.exe
      C:\Windows\explorer.exe /factory,{75dff2b7-6936-4c06-a8bb-676a7b00b24b} -Embedding
      1⤵
      • Suspicious use of WriteProcessMemory
      PID:1676
      • C:\Windows\SysWOW64\mshta.exe
        "C:\Windows\SysWOW64\mshta.exe" "C:\Users\Admin\AppData\Local\Temp\collectionBoxConst.hta"
        2⤵
        • Modifies Internet Explorer settings
        • Suspicious use of WriteProcessMemory
        PID:2588
        • C:\Windows\SysWOW64\rundll32.exe
          "C:\Windows\System32\rundll32.exe" c:\users\public\collectionBoxConst.jpg,PluginInit
          3⤵
            PID:2920

      Network

      MITRE ATT&CK Enterprise v15

      Replay Monitor

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      Downloads

      • C:\Users\Admin\AppData\Local\Temp\collectionBoxConst.hta

        Filesize

        3KB

        MD5

        99a1a4391c6be3ac5f137c0a092d8edd

        SHA1

        34afc663a569d0ba183c73ab40ae8d682273d193

        SHA256

        b25865183c5cd2c5e550aca8476e592b62ed3e37e6b628f955bbed454fdbb100

        SHA512

        45e5b38d72add4d28234b539071a3cb4059c9c104b5389a43190fd3197843e103fdaf7552c1edcb9bbbabe15b122a8bef0389ce39d6130b438a835c4c2d4f345

      • C:\Users\Admin\AppData\Roaming\Microsoft\Office\Recent\index.dat

        Filesize

        28B

        MD5

        4e30a3397e81dd38a188e78fc94e5a77

        SHA1

        95e2efa493065e02c7370befbe5a4bc1340cf5ef

        SHA256

        ddd0b5a9b8bd9275ddd6bd1d9d033c56734a5bb184b4371e50c2200b903397cb

        SHA512

        6d9ba51003c7c056e2628f8c435029c8a62e4a7e9a40b59c952af160b91449aa4b9e5e4084a275e1825c6be0cd1c8ee22709beb1c13839be8b29c63b2509df53

      • memory/2384-0-0x000000002FC91000-0x000000002FC92000-memory.dmp

        Filesize

        4KB

      • memory/2384-1-0x000000005FFF0000-0x0000000060000000-memory.dmp

        Filesize

        64KB

      • memory/2384-2-0x00000000719AD000-0x00000000719B8000-memory.dmp

        Filesize

        44KB

      • memory/2384-7-0x0000000000360000-0x0000000000460000-memory.dmp

        Filesize

        1024KB

      • memory/2384-9-0x0000000004EF0000-0x0000000004FF0000-memory.dmp

        Filesize

        1024KB

      • memory/2384-33-0x00000000719AD000-0x00000000719B8000-memory.dmp

        Filesize

        44KB

      • memory/2384-34-0x0000000000360000-0x0000000000460000-memory.dmp

        Filesize

        1024KB

      • memory/2384-35-0x0000000004EF0000-0x0000000004FF0000-memory.dmp

        Filesize

        1024KB

      • memory/2588-14-0x0000000002E30000-0x0000000002E50000-memory.dmp

        Filesize

        128KB

      • memory/2588-36-0x0000000002E30000-0x0000000002E50000-memory.dmp

        Filesize

        128KB