Analysis

  • max time kernel
    122s
  • max time network
    125s
  • platform
    windows7_x64
  • resource
    win7-20240221-en
  • resource tags

    arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
  • submitted
    07-03-2024 00:34

General

  • Target

    2024-03-07_3c87add23e2561020935300aae57f533_mafia.exe

  • Size

    465KB

  • MD5

    3c87add23e2561020935300aae57f533

  • SHA1

    e2e596b84fad8595e4137713f91a9bdc06d85752

  • SHA256

    81a02bb868fb209df34fa0ce062c6aea0488c1830b92ec02e2920917d4cc6ce1

  • SHA512

    5e255542e904bd11474464a9a512a7d1281c5d5168d69c8d347166a0083a0432b9811ed099fbc1e752e06c443fb99a18f9ac3c2b760a3136fdc26ef42c150ec4

  • SSDEEP

    12288:Bb4bZudi79L5XOUB+RTJR4unmrl9AumwKVA:Bb4bcdkLtOm+Jvna4umwK

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\2024-03-07_3c87add23e2561020935300aae57f533_mafia.exe
    "C:\Users\Admin\AppData\Local\Temp\2024-03-07_3c87add23e2561020935300aae57f533_mafia.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious use of WriteProcessMemory
    PID:1556
    • C:\Users\Admin\AppData\Local\Temp\3708.tmp
      "C:\Users\Admin\AppData\Local\Temp\3708.tmp" --helpC:\Users\Admin\AppData\Local\Temp\2024-03-07_3c87add23e2561020935300aae57f533_mafia.exe 4F7D9F35729B18E6DE26D089026DB9C3B5C394ADAC66B47F4AAC3403E761BEA10AB67B742B62BE0CF85A4F47AD5D851D3E19F31BC73C7E5488A85925B42F5583
      2⤵
      • Executes dropped EXE
      • Suspicious behavior: RenamesItself
      • Suspicious use of WriteProcessMemory
      PID:2684
      • 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\2024-03-07_3c87add23e2561020935300aae57f533_mafia.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:2640
        • C:\Windows\splwow64.exe
          C:\Windows\splwow64.exe 12288
          4⤵
            PID:2896

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

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    Downloads

    • C:\Users\Admin\AppData\Local\Temp\2024-03-07_3c87add23e2561020935300aae57f533_mafia.doc

      Filesize

      35KB

      MD5

      a6b03fc9e5439b7504ba08010a960962

      SHA1

      e93a74f35ac1ed020158642eb1f2087fd31fc7c6

      SHA256

      b3b306a9618a08a003443e00e8ce2fcb14040775c3aeadc11cf120668e98dff1

      SHA512

      decbe4fa7eec0833a27acbde8b4de099124aa42e551f710fb615e6fc5aa0056ce9e44fc282e4930b1a669a1e012700b2c79cebc8a7b8ee4c66cfc29c800cddd0

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

      Filesize

      20KB

      MD5

      df6e89b44b4873ffd087a9ebb3aa8892

      SHA1

      ea280758b193fc98f742cf02e4de4778e63ac2ac

      SHA256

      9712b24eb66e9fd994118d623433d7baf9253f48ccf848273f50695d81b2337c

      SHA512

      94d15dcef039acf844f3a2abafee5ec306e69a27e387ab486a01c02484fa5c0c5b9d6d60eb9817feb43f439d5fd03815a95fac4fe42d13054038e22cb718ad6d

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

      Filesize

      2B

      MD5

      f3b25701fe362ec84616a93a45ce9998

      SHA1

      d62636d8caec13f04e28442a0a6fa1afeb024bbb

      SHA256

      b3d510ef04275ca8e698e5b3cbb0ece3949ef9252f0cdc839e9ee347409a2209

      SHA512

      98c5f56f3de340690c139e58eb7dac111979f0d4dffe9c4b24ff849510f4b6ffa9fd608c0a3de9ac3c9fd2190f0efaf715309061490f9755a9bfdf1c54ca0d84

    • \Users\Admin\AppData\Local\Temp\3708.tmp

      Filesize

      465KB

      MD5

      5194733a4f75b42d56ca724fd507ff55

      SHA1

      adec0d5633b50e9db0f7c1104f02245879cf6478

      SHA256

      5a0f55767a5bcce7bfa87bc4d8554e71de4a0f7d27409ac9059e835207ea4903

      SHA512

      fcb4aeabe2a30bd5def2e8071eaf8490e841def81256f14a244e5a4838a9e744acfee9be970187fdf3e05c904b26acf02fc978f3474c869e4c71465eeb4cbb22

    • memory/2640-7-0x000000002FC61000-0x000000002FC62000-memory.dmp

      Filesize

      4KB

    • memory/2640-8-0x000000005FFF0000-0x0000000060000000-memory.dmp

      Filesize

      64KB

    • memory/2640-9-0x00000000716ED000-0x00000000716F8000-memory.dmp

      Filesize

      44KB

    • memory/2640-28-0x00000000716ED000-0x00000000716F8000-memory.dmp

      Filesize

      44KB

    • memory/2640-43-0x000000005FFF0000-0x0000000060000000-memory.dmp

      Filesize

      64KB