Analysis

  • max time kernel
    118s
  • max time network
    120s
  • platform
    windows7_x64
  • resource
    win7-20231215-en
  • resource tags

    arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system
  • submitted
    28/01/2024, 17:35

General

  • Target

    2024-01-28_83c68dfbd517545437938989543836b1_mafia.exe

  • Size

    465KB

  • MD5

    83c68dfbd517545437938989543836b1

  • SHA1

    38c32230852f2fd2c5799d4d4d640ed0ff2e85fe

  • SHA256

    a4738c433d67fcd3c7ae9177ac4d1b9f06498b01ac183096cbe3931f9243299f

  • SHA512

    5de6de9d41fd8e10cd413d01e92584d02add366052e973c4351c2a9f7001bed953a224ebbd18e610ae6b811da9d67b9dab309f4f224eb7ab3dfcf2c0da49fb84

  • SSDEEP

    12288:Bb4bZudi79LOvdWJ8Wkq4DBlXs3XQd3A:Bb4bcdkLOFU884TM

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\2024-01-28_83c68dfbd517545437938989543836b1_mafia.exe
    "C:\Users\Admin\AppData\Local\Temp\2024-01-28_83c68dfbd517545437938989543836b1_mafia.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious use of WriteProcessMemory
    PID:2000
    • C:\Users\Admin\AppData\Local\Temp\3E58.tmp
      "C:\Users\Admin\AppData\Local\Temp\3E58.tmp" --helpC:\Users\Admin\AppData\Local\Temp\2024-01-28_83c68dfbd517545437938989543836b1_mafia.exe BCDCB8407DCA044AD07DE5C8A912B8B78D04CB80BF2E16786351E6CC2D3C077975113C2908A12074BE4CFD75250F51482B7F7DAC0926DBB54EAA67CBAE8C8795
      2⤵
      • Executes dropped EXE
      • Suspicious behavior: RenamesItself
      • Suspicious use of WriteProcessMemory
      PID:1656
      • 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\2024-01-28_83c68dfbd517545437938989543836b1_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:2364
        • C:\Windows\splwow64.exe
          C:\Windows\splwow64.exe 12288
          4⤵
            PID:2592

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

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    Downloads

    • C:\Users\Admin\AppData\Local\Temp\2024-01-28_83c68dfbd517545437938989543836b1_mafia.doc

      Filesize

      35KB

      MD5

      a6b03fc9e5439b7504ba08010a960962

      SHA1

      e93a74f35ac1ed020158642eb1f2087fd31fc7c6

      SHA256

      b3b306a9618a08a003443e00e8ce2fcb14040775c3aeadc11cf120668e98dff1

      SHA512

      decbe4fa7eec0833a27acbde8b4de099124aa42e551f710fb615e6fc5aa0056ce9e44fc282e4930b1a669a1e012700b2c79cebc8a7b8ee4c66cfc29c800cddd0

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

      Filesize

      20KB

      MD5

      243ffa18a43585830a380472b927fb6d

      SHA1

      a0f012ccd75e48a277f3f0c97fbbd5b2fecd20f4

      SHA256

      e60fe4f5a9dc136bdb0dc4e97997aafb66077d456e13910fe4cc49c18cad1a06

      SHA512

      727ae19466eb306dfd11b674082bf4826e73e8b59396207b820ade2916fd2fe7e417c78af0a2cad13072e58dc6d47132e8bf6cedae042386e4a901217dabd7b2

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

      Filesize

      2B

      MD5

      f3b25701fe362ec84616a93a45ce9998

      SHA1

      d62636d8caec13f04e28442a0a6fa1afeb024bbb

      SHA256

      b3d510ef04275ca8e698e5b3cbb0ece3949ef9252f0cdc839e9ee347409a2209

      SHA512

      98c5f56f3de340690c139e58eb7dac111979f0d4dffe9c4b24ff849510f4b6ffa9fd608c0a3de9ac3c9fd2190f0efaf715309061490f9755a9bfdf1c54ca0d84

    • \Users\Admin\AppData\Local\Temp\3E58.tmp

      Filesize

      465KB

      MD5

      3fbf83de4b56b4244feadb42b2c37ac7

      SHA1

      458c4a4f06246b5818488dbe94b2497760d802c1

      SHA256

      3ccfb0603ea01e6fa3a9908844e5c1f74f85396a17d916c472c9bcac08fa07ae

      SHA512

      7e50100f97c69c5cf3b5a7432b2a6e3015c211b51995616d2e92a14dac21a4fd2f38fc096fb89580c1265155ba12c81123a7207955bd61e1bb16f1cd7d305e9d

    • memory/2364-7-0x000000002FA31000-0x000000002FA32000-memory.dmp

      Filesize

      4KB

    • memory/2364-8-0x000000005FFF0000-0x0000000060000000-memory.dmp

      Filesize

      64KB

    • memory/2364-9-0x000000007167D000-0x0000000071688000-memory.dmp

      Filesize

      44KB

    • memory/2364-28-0x000000007167D000-0x0000000071688000-memory.dmp

      Filesize

      44KB

    • memory/2364-43-0x000000005FFF0000-0x0000000060000000-memory.dmp

      Filesize

      64KB