Analysis

  • max time kernel
    118s
  • max time network
    122s
  • platform
    windows7_x64
  • resource
    win7-20230831-en
  • resource tags

    arch:x64arch:x86image:win7-20230831-enlocale:en-usos:windows7-x64system
  • submitted
    30/09/2023, 11:11

General

  • Target

    2023-08-26_d9d2770471e2425a04d4964b3c777c06_mafia_JC.exe

  • Size

    465KB

  • MD5

    d9d2770471e2425a04d4964b3c777c06

  • SHA1

    f536e2ac736d6e6234325d47344c7a54c997446f

  • SHA256

    1ce393df09cb3bc9154d1060a5461406afaa19040ecff5e737b37379a0db6bd0

  • SHA512

    89b367c8eed02ef2333fcf9a5e65b222de2633ed137d8f3139ede91baf49218b989396ca1108b0c9348150fbeba005c4346148fdfe981743c6392981dd095f6a

  • SSDEEP

    12288:Bb4bZudi79LZdHpd1qyHevU7h+gdhwpxXRmjA:Bb4bcdkLbJd1pZh+gXwpxXRm

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\2023-08-26_d9d2770471e2425a04d4964b3c777c06_mafia_JC.exe
    "C:\Users\Admin\AppData\Local\Temp\2023-08-26_d9d2770471e2425a04d4964b3c777c06_mafia_JC.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious use of WriteProcessMemory
    PID:2200
    • C:\Users\Admin\AppData\Local\Temp\4AE5.tmp
      "C:\Users\Admin\AppData\Local\Temp\4AE5.tmp" --helpC:\Users\Admin\AppData\Local\Temp\2023-08-26_d9d2770471e2425a04d4964b3c777c06_mafia_JC.exe 087EE7737643E520D1498454CD3192B2D5EA0DBCC0BA2E683A42FA1DDF0AA4C061879A27673C91796439A5C0FDA08A68E6D0E9A7D8E0FA689AC1AE448C2645F2
      2⤵
      • Executes dropped EXE
      • Suspicious behavior: RenamesItself
      • Suspicious use of WriteProcessMemory
      PID:2208
      • 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\2023-08-26_d9d2770471e2425a04d4964b3c777c06_mafia_JC.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:1612
        • C:\Windows\splwow64.exe
          C:\Windows\splwow64.exe 12288
          4⤵
            PID:2544

    Network

          MITRE ATT&CK Enterprise v15

          Replay Monitor

          Loading Replay Monitor...

          Downloads

          • C:\Users\Admin\AppData\Local\Temp\2023-08-26_d9d2770471e2425a04d4964b3c777c06_mafia_JC.doc

            Filesize

            35KB

            MD5

            a6b03fc9e5439b7504ba08010a960962

            SHA1

            e93a74f35ac1ed020158642eb1f2087fd31fc7c6

            SHA256

            b3b306a9618a08a003443e00e8ce2fcb14040775c3aeadc11cf120668e98dff1

            SHA512

            decbe4fa7eec0833a27acbde8b4de099124aa42e551f710fb615e6fc5aa0056ce9e44fc282e4930b1a669a1e012700b2c79cebc8a7b8ee4c66cfc29c800cddd0

          • C:\Users\Admin\AppData\Local\Temp\4AE5.tmp

            Filesize

            465KB

            MD5

            c432d216cbc60c136cc97723d5264a30

            SHA1

            3490cd6f9ca9732d41fa852327887f79684a9917

            SHA256

            80737341b785565dd4fb045a08126d01e4a2dd9732f68bfd5ce28b74f802ebbf

            SHA512

            d14459ef96be22899d04ded65e33c3e972b754b75a3979e369448a9798799d25db92dba913641d9a9cff75a2d5b786fde50f377304bb9307977949ccc1a06e9d

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

            Filesize

            20KB

            MD5

            12c5dfb2b2fa33f9ac40725cb6c7b912

            SHA1

            cac1b25f43e3e25e183e11ce5c9a16ad4964cd9a

            SHA256

            ad8cb90b44a20943c85b25eb39021a9d76defbc4ac8a18621e1a5443591a8e42

            SHA512

            ed565149072c589d8792a6e1bcbcec67e5f9fda885755220083314e44b6fa5b04c2cbb13f4034173facf15e09774bb6ebef2a26f19198281fd1382859706e174

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

            Filesize

            2B

            MD5

            f3b25701fe362ec84616a93a45ce9998

            SHA1

            d62636d8caec13f04e28442a0a6fa1afeb024bbb

            SHA256

            b3d510ef04275ca8e698e5b3cbb0ece3949ef9252f0cdc839e9ee347409a2209

            SHA512

            98c5f56f3de340690c139e58eb7dac111979f0d4dffe9c4b24ff849510f4b6ffa9fd608c0a3de9ac3c9fd2190f0efaf715309061490f9755a9bfdf1c54ca0d84

          • \Users\Admin\AppData\Local\Temp\4AE5.tmp

            Filesize

            465KB

            MD5

            c432d216cbc60c136cc97723d5264a30

            SHA1

            3490cd6f9ca9732d41fa852327887f79684a9917

            SHA256

            80737341b785565dd4fb045a08126d01e4a2dd9732f68bfd5ce28b74f802ebbf

            SHA512

            d14459ef96be22899d04ded65e33c3e972b754b75a3979e369448a9798799d25db92dba913641d9a9cff75a2d5b786fde50f377304bb9307977949ccc1a06e9d

          • memory/1612-7-0x000000002FE41000-0x000000002FE42000-memory.dmp

            Filesize

            4KB

          • memory/1612-8-0x000000005FFF0000-0x0000000060000000-memory.dmp

            Filesize

            64KB

          • memory/1612-9-0x000000007149D000-0x00000000714A8000-memory.dmp

            Filesize

            44KB

          • memory/1612-27-0x000000007149D000-0x00000000714A8000-memory.dmp

            Filesize

            44KB

          • memory/1612-43-0x000000005FFF0000-0x0000000060000000-memory.dmp

            Filesize

            64KB

          • memory/1612-44-0x000000007149D000-0x00000000714A8000-memory.dmp

            Filesize

            44KB