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Analysis

  • max time kernel
    119s
  • max time network
    123s
  • platform
    windows7_x64
  • resource
    win7-20240221-en
  • resource tags

    arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
  • submitted
    15/03/2024, 23:02

General

  • Target

    b3d0782d5baf3560b586a4f0f7444ae59b3280ea67eeebd7e7b3bacaaa41ac13.exe

  • Size

    467KB

  • MD5

    bf34f526cdacd041a4c58e25e9bf4f61

  • SHA1

    429449de2a23116c51aaae2992c2a61752a38c20

  • SHA256

    b3d0782d5baf3560b586a4f0f7444ae59b3280ea67eeebd7e7b3bacaaa41ac13

  • SHA512

    a5e7eff1d0d4dbbfe8dd09aa453a114f2faa09c4bb2c888eaccd229d4f9d22ee540cde548bb39cbfcd9e6fe9da73ef02a4cc861338c50f1ab57467e1b21570ab

  • SSDEEP

    12288:8WBm+95nHfF2mgewFX5A/Dzyxsavx5GSlhJ1sx:8WBz95ndbgfX5qz3avjGSlhJ1s

Score
7/10

Malware Config

Signatures

  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 1 IoCs
  • 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 31 IoCs
  • Modifies registry class 64 IoCs
  • Suspicious behavior: AddClipboardFormatListener 1 IoCs
  • Suspicious behavior: RenamesItself 1 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 12 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\b3d0782d5baf3560b586a4f0f7444ae59b3280ea67eeebd7e7b3bacaaa41ac13.exe
    "C:\Users\Admin\AppData\Local\Temp\b3d0782d5baf3560b586a4f0f7444ae59b3280ea67eeebd7e7b3bacaaa41ac13.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious use of WriteProcessMemory
    PID:2804
    • C:\Users\Admin\AppData\Local\Temp\53BB.tmp
      "C:\Users\Admin\AppData\Local\Temp\53BB.tmp" --pingC:\Users\Admin\AppData\Local\Temp\b3d0782d5baf3560b586a4f0f7444ae59b3280ea67eeebd7e7b3bacaaa41ac13.exe C623B1A15D54B3A53F45A48FA9667F5A7E0024E382BF320DD65324AEF8E349579DABAAD9A2BF1E7278901D02646032FAE450E2B69ACF2F5D34CACC374447D9C4
      2⤵
      • Executes dropped EXE
      • Suspicious behavior: RenamesItself
      • Suspicious use of WriteProcessMemory
      PID:2196
      • 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\b3d0782d5baf3560b586a4f0f7444ae59b3280ea67eeebd7e7b3bacaaa41ac13.doc"
        3⤵
        • Drops file in Windows directory
        • Modifies Internet Explorer settings
        • Modifies registry class
        • Suspicious behavior: AddClipboardFormatListener
        • Suspicious use of SetWindowsHookEx
        • Suspicious use of WriteProcessMemory
        PID:2020
        • C:\Windows\splwow64.exe
          C:\Windows\splwow64.exe 12288
          4⤵
            PID:2392

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

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    Downloads

    • C:\Users\Admin\AppData\Local\Temp\b3d0782d5baf3560b586a4f0f7444ae59b3280ea67eeebd7e7b3bacaaa41ac13.doc

      Filesize

      35KB

      MD5

      59975947e6db92e743655ebdf2e3c495

      SHA1

      5e967d85a4df28f9fed485156919a14fb411d18d

      SHA256

      83c9df8884ffd5b51bdbdb9314d587477ecf50c3144c6c230ded3a3041f24e05

      SHA512

      1cdc533bcc9bf50c69dd3a516c4fff8f24cf2ba9ecf1df885c12d4f459727b63c2d7f1a388ac0a4ac2fe59fe1bd5f5cb623001c736df33490fb245e06d7af692

    • C:\Users\Admin\AppData\Roaming\Microsoft\Templates\Normal.dotm

      Filesize

      20KB

      MD5

      a311a1e7b8acda1ace493ea2502a7b50

      SHA1

      c64cf0ede93104c9d90f5551e3fb5557e6e55e15

      SHA256

      a0df0948b95f7487d1b7556987c0cc78d3e21248ac2555afbb9d0d292cfbfca6

      SHA512

      2ed3341776bc04313b850dfee0611d0a3b87e7334c3142c2c741b6590eaaced1d5c3e0b1632884793d6391812c75a19ec2ac6adb463aa8555ba131b7b69b60ea

    • C:\Users\Admin\AppData\Roaming\Microsoft\UProof\ExcludeDictionaryEN0409.lex

      Filesize

      2B

      MD5

      f3b25701fe362ec84616a93a45ce9998

      SHA1

      d62636d8caec13f04e28442a0a6fa1afeb024bbb

      SHA256

      b3d510ef04275ca8e698e5b3cbb0ece3949ef9252f0cdc839e9ee347409a2209

      SHA512

      98c5f56f3de340690c139e58eb7dac111979f0d4dffe9c4b24ff849510f4b6ffa9fd608c0a3de9ac3c9fd2190f0efaf715309061490f9755a9bfdf1c54ca0d84

    • \Users\Admin\AppData\Local\Temp\53BB.tmp

      Filesize

      467KB

      MD5

      7a8d6b3ae06db7c85b1987152fd9af32

      SHA1

      70b7ac7fb997df2f8a441ad5fc8937ac371e75ea

      SHA256

      83fc2c809a2e8fb5b670ebb5d4a515dc8bd572da22a83ccdc974e6e9322e1b1a

      SHA512

      29a2bf38ac41958847d78dab8c892dba957e82588499f965d529b282809d54a25d71f7488e1a736a20b23f0889f60e8de338e149fb9b9a74a1951ae1d8d8ac09

    • memory/2020-8-0x000000002F4A1000-0x000000002F4A2000-memory.dmp

      Filesize

      4KB

    • memory/2020-10-0x000000005FFF0000-0x0000000060000000-memory.dmp

      Filesize

      64KB

    • memory/2020-11-0x000000007129D000-0x00000000712A8000-memory.dmp

      Filesize

      44KB

    • memory/2020-30-0x000000007129D000-0x00000000712A8000-memory.dmp

      Filesize

      44KB

    • memory/2020-45-0x000000005FFF0000-0x0000000060000000-memory.dmp

      Filesize

      64KB

    • memory/2196-9-0x0000000000400000-0x000000000047E000-memory.dmp

      Filesize

      504KB

    • memory/2804-4-0x0000000000400000-0x000000000047E000-memory.dmp

      Filesize

      504KB