Analysis

  • max time kernel
    118s
  • max time network
    121s
  • platform
    windows7_x64
  • resource
    win7-20240508-en
  • resource tags

    arch:x64arch:x86image:win7-20240508-enlocale:en-usos:windows7-x64system
  • submitted
    07/07/2024, 20:53

General

  • Target

    38071b7b6ba01f65be0e83748bef98dc31b24c912fdf19bb8f6e1b3002dc65b2.exe

  • Size

    522KB

  • MD5

    01215c3a2454136823be6f82c9e0702e

  • SHA1

    8b1f6ac531c4bf01285fdb20801bfbe426e50c6e

  • SHA256

    38071b7b6ba01f65be0e83748bef98dc31b24c912fdf19bb8f6e1b3002dc65b2

  • SHA512

    9f52ab2e52f5a88c3d2d3531b8870e0147f40e2932d10880b08a875b173764ca7543d05d9255f4fafd05afcb560a58165f8f507681064ad034a58ef8e344a3fb

  • SSDEEP

    12288:cWBm+95nHfF2mgewFn50kbp3esIh5eThvQM:cWBz95ndbgfn5XIfe9vQM

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\38071b7b6ba01f65be0e83748bef98dc31b24c912fdf19bb8f6e1b3002dc65b2.exe
    "C:\Users\Admin\AppData\Local\Temp\38071b7b6ba01f65be0e83748bef98dc31b24c912fdf19bb8f6e1b3002dc65b2.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious use of WriteProcessMemory
    PID:2228
    • C:\Users\Admin\AppData\Local\Temp\1F53.tmp
      "C:\Users\Admin\AppData\Local\Temp\1F53.tmp" --pingC:\Users\Admin\AppData\Local\Temp\38071b7b6ba01f65be0e83748bef98dc31b24c912fdf19bb8f6e1b3002dc65b2.exe 930FA560B5C4A9B2F848857DAE041A6861BFE3ACDF4EF57275161FDBCE1BDFE865E1AA33B2394F57D7DFD83EFE339DC2E2E68DFD9AFA77A54321B41EA1E9BF53
      2⤵
      • Executes dropped EXE
      • Suspicious behavior: RenamesItself
      • Suspicious use of WriteProcessMemory
      PID:2420
      • 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\38071b7b6ba01f65be0e83748bef98dc31b24c912fdf19bb8f6e1b3002dc65b2.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:2376
        • C:\Windows\splwow64.exe
          C:\Windows\splwow64.exe 12288
          4⤵
            PID:2892

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

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    Downloads

    • C:\Users\Admin\AppData\Local\Temp\1F53.tmp

      Filesize

      522KB

      MD5

      1755a1bb4c5d6f3136d51e541ac230b5

      SHA1

      03fa79a21c37b234b7e2b34ca5eb4594cbb932a9

      SHA256

      958f7f1019595639c1478ad86d2c459f42db3fcd3c05716c79fa0fc5e1aa553e

      SHA512

      f99cc3f7563ee07fca2abe3add4a994753f0d0ffe22d7f4c8d15145e8b7abbb77df6159c0c37e4ca14ba7fa119f6c9d019954bfbf3cb495bf5483cbe9459bf02

    • C:\Users\Admin\AppData\Local\Temp\38071b7b6ba01f65be0e83748bef98dc31b24c912fdf19bb8f6e1b3002dc65b2.doc

      Filesize

      35KB

      MD5

      59975947e6db92e743655ebdf2e3c495

      SHA1

      5e967d85a4df28f9fed485156919a14fb411d18d

      SHA256

      83c9df8884ffd5b51bdbdb9314d587477ecf50c3144c6c230ded3a3041f24e05

      SHA512

      1cdc533bcc9bf50c69dd3a516c4fff8f24cf2ba9ecf1df885c12d4f459727b63c2d7f1a388ac0a4ac2fe59fe1bd5f5cb623001c736df33490fb245e06d7af692

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

      Filesize

      20KB

      MD5

      8b50e13bcb3be1ae94b0561729333623

      SHA1

      07a58aa371cc55355cdfb7a5107a2e9e750e50cb

      SHA256

      89f9eae24d81231c47319d2e7988d5b46bfe86b694e8872a63c5413a7f59e625

      SHA512

      a87a4c6b2e1c20ed1d77cfaa4e7d0751228d569d067b183f876560b0deaa14c9b1c904bd0c6d0aaa5b0efb1ce13e2847966c42ad9959486030c7ea422a85dac6

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

      Filesize

      2B

      MD5

      f3b25701fe362ec84616a93a45ce9998

      SHA1

      d62636d8caec13f04e28442a0a6fa1afeb024bbb

      SHA256

      b3d510ef04275ca8e698e5b3cbb0ece3949ef9252f0cdc839e9ee347409a2209

      SHA512

      98c5f56f3de340690c139e58eb7dac111979f0d4dffe9c4b24ff849510f4b6ffa9fd608c0a3de9ac3c9fd2190f0efaf715309061490f9755a9bfdf1c54ca0d84

    • memory/2228-5-0x0000000000290000-0x0000000000319000-memory.dmp

      Filesize

      548KB

    • memory/2228-0-0x0000000000400000-0x0000000000489000-memory.dmp

      Filesize

      548KB

    • memory/2228-7-0x0000000000400000-0x0000000000489000-memory.dmp

      Filesize

      548KB

    • memory/2376-11-0x000000002F841000-0x000000002F842000-memory.dmp

      Filesize

      4KB

    • memory/2376-13-0x000000005FFF0000-0x0000000060000000-memory.dmp

      Filesize

      64KB

    • memory/2376-14-0x0000000070F9D000-0x0000000070FA8000-memory.dmp

      Filesize

      44KB

    • memory/2376-33-0x0000000070F9D000-0x0000000070FA8000-memory.dmp

      Filesize

      44KB

    • memory/2376-48-0x000000005FFF0000-0x0000000060000000-memory.dmp

      Filesize

      64KB

    • memory/2420-12-0x0000000000400000-0x0000000000489000-memory.dmp

      Filesize

      548KB

    • memory/2420-8-0x0000000000400000-0x0000000000489000-memory.dmp

      Filesize

      548KB