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Analysis

  • max time kernel
    118s
  • max time network
    118s
  • platform
    windows7_x64
  • resource
    win7-20240221-en
  • resource tags

    arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
  • submitted
    19/03/2024, 11:46

General

  • Target

    2024-03-19_91bd89dfd550df42964f795980078d2f_mafia.exe

  • Size

    465KB

  • MD5

    91bd89dfd550df42964f795980078d2f

  • SHA1

    a22f7afdd50785018403d34e514adb9c20f000f5

  • SHA256

    ac88cd7b08916e1e6975758ca847c60713035089998c1846f150b9ee9d8ee46e

  • SHA512

    8f7c553d2405cdb0de0ba38c2f61068aa797b065991167b4cbfa2a72d2b7af6ee7e9a3847b8bc0248c66c866fa7a3d506fffe10bd56ebce958f8c4624db4de91

  • SSDEEP

    12288:Bb4bZudi79LcautI451ldPl7YE0ePv59xAA:Bb4bcdkLcJeKnOneXnx

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\2024-03-19_91bd89dfd550df42964f795980078d2f_mafia.exe
    "C:\Users\Admin\AppData\Local\Temp\2024-03-19_91bd89dfd550df42964f795980078d2f_mafia.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious use of WriteProcessMemory
    PID:2732
    • C:\Users\Admin\AppData\Local\Temp\FBA.tmp
      "C:\Users\Admin\AppData\Local\Temp\FBA.tmp" --helpC:\Users\Admin\AppData\Local\Temp\2024-03-19_91bd89dfd550df42964f795980078d2f_mafia.exe FA9FED33CB76D53696089644EB14C4E552BC392609C06B6A9640E6D2AE5EE994BC496F3178516CF2711BA0A8759877D6EB69423F1A04202EA1F7FD439EBACCA6
      2⤵
      • Executes dropped EXE
      • Suspicious behavior: RenamesItself
      • Suspicious use of WriteProcessMemory
      PID:2840
      • 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\2024-03-19_91bd89dfd550df42964f795980078d2f_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:2772
        • C:\Windows\splwow64.exe
          C:\Windows\splwow64.exe 12288
          4⤵
            PID:2520

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

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    Downloads

    • C:\Users\Admin\AppData\Local\Temp\2024-03-19_91bd89dfd550df42964f795980078d2f_mafia.doc

      Filesize

      35KB

      MD5

      a6b03fc9e5439b7504ba08010a960962

      SHA1

      e93a74f35ac1ed020158642eb1f2087fd31fc7c6

      SHA256

      b3b306a9618a08a003443e00e8ce2fcb14040775c3aeadc11cf120668e98dff1

      SHA512

      decbe4fa7eec0833a27acbde8b4de099124aa42e551f710fb615e6fc5aa0056ce9e44fc282e4930b1a669a1e012700b2c79cebc8a7b8ee4c66cfc29c800cddd0

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

      Filesize

      20KB

      MD5

      da98fb616f26e48dab9d36dc756dcf08

      SHA1

      ee42e49a1333a394fc2845924b027e420b9bda62

      SHA256

      21ab10883123d5a65199b8aac0b37c9f3e74de05c762b16665fe71f83b753305

      SHA512

      dc0ead259a591b9d320914e669cdce8c3d872808b5c828323dd0ed8d4109f521f2dd89b33fb96b18a646bb08c521c8b3b2b5f26b9fc7315bff38dbfcaa455efb

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

      Filesize

      2B

      MD5

      f3b25701fe362ec84616a93a45ce9998

      SHA1

      d62636d8caec13f04e28442a0a6fa1afeb024bbb

      SHA256

      b3d510ef04275ca8e698e5b3cbb0ece3949ef9252f0cdc839e9ee347409a2209

      SHA512

      98c5f56f3de340690c139e58eb7dac111979f0d4dffe9c4b24ff849510f4b6ffa9fd608c0a3de9ac3c9fd2190f0efaf715309061490f9755a9bfdf1c54ca0d84

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

      Filesize

      465KB

      MD5

      7a88b54fe636d9ab48718a271507c78c

      SHA1

      8034bd6c73aebf5c3b63578e6ad614fde4714204

      SHA256

      c08043511e4d78a4b3c9878f9949191430c7a208778985e8f1061eded425fc37

      SHA512

      fb39ba0e6fb1cd9ca9764f874e7cd6fbe2445c11f06aa2c0e2f6bd3c91752c4f141046d6344f3613b1ba5b683f163f6236d91e8d52b7c60e1da740db1d0b028a

    • memory/2772-7-0x000000002F751000-0x000000002F752000-memory.dmp

      Filesize

      4KB

    • memory/2772-8-0x000000005FFF0000-0x0000000060000000-memory.dmp

      Filesize

      64KB

    • memory/2772-9-0x0000000070F7D000-0x0000000070F88000-memory.dmp

      Filesize

      44KB

    • memory/2772-28-0x0000000070F7D000-0x0000000070F88000-memory.dmp

      Filesize

      44KB

    • memory/2772-43-0x000000005FFF0000-0x0000000060000000-memory.dmp

      Filesize

      64KB