Analysis

  • max time kernel
    61s
  • max time network
    17s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    03/10/2024, 23:26

General

  • Target

    3ac543719771b439c7d8dedb6a4cbe113bb9d80d226426e9387d24fb5e2a697cN.exe

  • Size

    467KB

  • MD5

    429423ec04fc97aa2bf982c2b581f8d0

  • SHA1

    08f7a0fe8d22c0999198903b9f8babf10a3f7430

  • SHA256

    3ac543719771b439c7d8dedb6a4cbe113bb9d80d226426e9387d24fb5e2a697c

  • SHA512

    fd018cc5b896a632382bc677f16c5fa22c09f067a447c2651aff5a81eaa834b04fa0d540bbe9de07132c94d684d5bd34794530cf88efa384049a93d25691137c

  • SSDEEP

    6144:mSyAAwKrd01YZW9mhO81rtfTWZGy1Q34HOSR4R5DL5jnbePmbZSbuNIooawVyEFZ:PYO1QIubR5pjiPmTlomS5OC

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).

  • System Location Discovery: System Language Discovery 1 TTPs 3 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • System Network Configuration Discovery: Internet Connection Discovery 1 TTPs 1 IoCs

    Adversaries may check for Internet connectivity on compromised systems.

  • Office loads VBA resources, possible macro or embedded object present
  • 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\3ac543719771b439c7d8dedb6a4cbe113bb9d80d226426e9387d24fb5e2a697cN.exe
    "C:\Users\Admin\AppData\Local\Temp\3ac543719771b439c7d8dedb6a4cbe113bb9d80d226426e9387d24fb5e2a697cN.exe"
    1⤵
    • Loads dropped DLL
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:2232
    • C:\Users\Admin\AppData\Local\Temp\D0B7.tmp
      "C:\Users\Admin\AppData\Local\Temp\D0B7.tmp" --pingC:\Users\Admin\AppData\Local\Temp\3ac543719771b439c7d8dedb6a4cbe113bb9d80d226426e9387d24fb5e2a697cN.exe 5F04192176F3FDAD6CC82D9C30F55EA03AFAD39A4BB7E857678AE8439CA92546B08D5B8C911A94F7E66DC8D44B25F06A494ED88A2B7E2CECE8B4F757888A0ACF
      2⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      • System Network Configuration Discovery: Internet Connection Discovery
      • Suspicious behavior: RenamesItself
      • Suspicious use of WriteProcessMemory
      PID:2184
      • 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\3ac543719771b439c7d8dedb6a4cbe113bb9d80d226426e9387d24fb5e2a697cN.doc"
        3⤵
        • Drops file in Windows directory
        • System Location Discovery: System Language Discovery
        • Suspicious behavior: AddClipboardFormatListener
        • Suspicious use of SetWindowsHookEx
        • Suspicious use of WriteProcessMemory
        PID:2068
        • C:\Windows\splwow64.exe
          C:\Windows\splwow64.exe 12288
          4⤵
            PID:2964

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

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    Downloads

    • C:\Users\Admin\AppData\Local\Temp\3ac543719771b439c7d8dedb6a4cbe113bb9d80d226426e9387d24fb5e2a697cN.doc

      Filesize

      35KB

      MD5

      59975947e6db92e743655ebdf2e3c495

      SHA1

      5e967d85a4df28f9fed485156919a14fb411d18d

      SHA256

      83c9df8884ffd5b51bdbdb9314d587477ecf50c3144c6c230ded3a3041f24e05

      SHA512

      1cdc533bcc9bf50c69dd3a516c4fff8f24cf2ba9ecf1df885c12d4f459727b63c2d7f1a388ac0a4ac2fe59fe1bd5f5cb623001c736df33490fb245e06d7af692

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

      Filesize

      2B

      MD5

      f3b25701fe362ec84616a93a45ce9998

      SHA1

      d62636d8caec13f04e28442a0a6fa1afeb024bbb

      SHA256

      b3d510ef04275ca8e698e5b3cbb0ece3949ef9252f0cdc839e9ee347409a2209

      SHA512

      98c5f56f3de340690c139e58eb7dac111979f0d4dffe9c4b24ff849510f4b6ffa9fd608c0a3de9ac3c9fd2190f0efaf715309061490f9755a9bfdf1c54ca0d84

    • \Users\Admin\AppData\Local\Temp\D0B7.tmp

      Filesize

      467KB

      MD5

      c9dfb025835605d79816d271a8d4f3a1

      SHA1

      a407f4ab5dd56f040984991fc396f7ad82737194

      SHA256

      3cb1e2ce532e0ad383100c080f736d4046aac3561df94275698e7a21a3d86cfe

      SHA512

      ca1d15bf10d79d6af89b745b0f8bc9d76017fd5ed24c3b5143e027e46a70078dc63c111f118e91501af41cb0dc2160d82f8afbfef32fc0600dc07b134a15b242

    • memory/2068-13-0x000000002FEB1000-0x000000002FEB2000-memory.dmp

      Filesize

      4KB

    • memory/2068-14-0x000000005FFF0000-0x0000000060000000-memory.dmp

      Filesize

      64KB

    • memory/2068-15-0x000000007140D000-0x0000000071418000-memory.dmp

      Filesize

      44KB

    • memory/2068-33-0x000000007140D000-0x0000000071418000-memory.dmp

      Filesize

      44KB

    • memory/2184-8-0x0000000000400000-0x000000000047E000-memory.dmp

      Filesize

      504KB

    • memory/2184-12-0x0000000000400000-0x000000000047E000-memory.dmp

      Filesize

      504KB

    • memory/2232-0-0x0000000000400000-0x000000000047E000-memory.dmp

      Filesize

      504KB

    • memory/2232-6-0x0000000000400000-0x000000000047E000-memory.dmp

      Filesize

      504KB