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Analysis

  • max time kernel
    117s
  • max time network
    121s
  • platform
    windows7_x64
  • resource
    win7-20231215-en
  • resource tags

    arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system
  • submitted
    29/12/2023, 18:38

General

  • Target

    00b4d2cb49fb90c3a191793a133e23a1.exe

  • Size

    465KB

  • MD5

    00b4d2cb49fb90c3a191793a133e23a1

  • SHA1

    b52f2a646a408d5bb98e8f34cab1a98cfc83ac98

  • SHA256

    3919e77f45a0d6c8e2175ca306324bf9b7307e160a3612e26f85e61c28e397e5

  • SHA512

    55283f75a8b08d4719d5f4b7f06a755765a152049b63f17df8daeb772d97d764630f3770bdaa62ced3e752fff2d2c32595f143472845649ff4edf06331121fba

  • SSDEEP

    12288:Bb4bZudi79LK93OrSX+tyWMAKPcLklXuFA:Bb4bcdkL9+lW9CcLk

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\00b4d2cb49fb90c3a191793a133e23a1.exe
    "C:\Users\Admin\AppData\Local\Temp\00b4d2cb49fb90c3a191793a133e23a1.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious use of WriteProcessMemory
    PID:3012
    • C:\Users\Admin\AppData\Local\Temp\59C4.tmp
      "C:\Users\Admin\AppData\Local\Temp\59C4.tmp" --helpC:\Users\Admin\AppData\Local\Temp\00b4d2cb49fb90c3a191793a133e23a1.exe C1986D9DBEC4E4156C1098B9DECAA46E453570DDAF13524A8FA0B0F4D3DA0E5990BCF194CF4E1AE8A4A8EF2446C1EB4A75A04E289BD0AC9E485E967964A05E9E
      2⤵
      • Executes dropped EXE
      • Suspicious behavior: RenamesItself
      • Suspicious use of WriteProcessMemory
      PID:1432
      • 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\00b4d2cb49fb90c3a191793a133e23a1.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:1136
        • C:\Windows\splwow64.exe
          C:\Windows\splwow64.exe 12288
          4⤵
            PID:2720

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

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    Downloads

    • C:\Users\Admin\AppData\Local\Temp\00b4d2cb49fb90c3a191793a133e23a1.doc

      Filesize

      35KB

      MD5

      a6b03fc9e5439b7504ba08010a960962

      SHA1

      e93a74f35ac1ed020158642eb1f2087fd31fc7c6

      SHA256

      b3b306a9618a08a003443e00e8ce2fcb14040775c3aeadc11cf120668e98dff1

      SHA512

      decbe4fa7eec0833a27acbde8b4de099124aa42e551f710fb615e6fc5aa0056ce9e44fc282e4930b1a669a1e012700b2c79cebc8a7b8ee4c66cfc29c800cddd0

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

      Filesize

      20KB

      MD5

      d6a4dfb495a2f063674582288530f320

      SHA1

      15547a0ef9cc7679a9a7381f7852847b2f8677bb

      SHA256

      2e988b438eeddbccb99ba1975d093e2808c9376b019f7ae6cfa5b1d746054b25

      SHA512

      8cb9d07eb1c36d060bf79cec772b1e50790431cd07723e35a02d84dffcc6f48ef88da0ee366f03de0f3fe6af4bdcad4d83dd29a2ed814c17ff279b9a85b649d4

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

      Filesize

      2B

      MD5

      f3b25701fe362ec84616a93a45ce9998

      SHA1

      d62636d8caec13f04e28442a0a6fa1afeb024bbb

      SHA256

      b3d510ef04275ca8e698e5b3cbb0ece3949ef9252f0cdc839e9ee347409a2209

      SHA512

      98c5f56f3de340690c139e58eb7dac111979f0d4dffe9c4b24ff849510f4b6ffa9fd608c0a3de9ac3c9fd2190f0efaf715309061490f9755a9bfdf1c54ca0d84

    • \Users\Admin\AppData\Local\Temp\59C4.tmp

      Filesize

      465KB

      MD5

      d505d18e472557088722735d5a5dfabe

      SHA1

      2e5d8fb0001449f4a70ba260304cdcaa6e15ce94

      SHA256

      78b9d7a0c2119c000fa1636cb30994189848f1756379f569da4d4d238244f743

      SHA512

      275e11e6dfd9b0283c8ae4018d34ef9e8490d955ef26151041054e3a53b255ccf384095e16a9df935d5265a010343152294c42c5cdfe360b588ecd87d4739485

    • memory/1136-7-0x000000002FEE1000-0x000000002FEE2000-memory.dmp

      Filesize

      4KB

    • memory/1136-8-0x000000005FFF0000-0x0000000060000000-memory.dmp

      Filesize

      64KB

    • memory/1136-9-0x000000007140D000-0x0000000071418000-memory.dmp

      Filesize

      44KB

    • memory/1136-28-0x000000007140D000-0x0000000071418000-memory.dmp

      Filesize

      44KB

    • memory/1136-43-0x000000005FFF0000-0x0000000060000000-memory.dmp

      Filesize

      64KB