Analysis

  • max time kernel
    120s
  • max time network
    123s
  • platform
    windows7_x64
  • resource
    win7-20230712-en
  • resource tags

    arch:x64arch:x86image:win7-20230712-enlocale:en-usos:windows7-x64system
  • submitted
    08-08-2023 16:32

General

  • Target

    99dfe5fa8cd1cb430f9b94041db1a6d6_mafia_JC.exe

  • Size

    467KB

  • MD5

    99dfe5fa8cd1cb430f9b94041db1a6d6

  • SHA1

    ff562f65e8bc358d104f749fdb26d510f01cc088

  • SHA256

    e773c1798b739f3141836a286e13ef697bfdb3b9aae66f61984a1ad590328097

  • SHA512

    52f2e0c4758374f8a2a6eaa3a8889526461e34d39969270e15f619512a4edb6c464b4112445d6de383f7e3f4ba0120e96291b3f5cf50dabd33cebb629a8fe42d

  • SSDEEP

    6144:jFrJxvldL4c5ONK1xgWbd1s79+iStfmzSvn1GmQaQfLkoP7aj/a/Kg/qHxP9wMKT:Bb4bZudi79L4v1GmdQfLkxDaSPnC4kAk

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).

  • 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\99dfe5fa8cd1cb430f9b94041db1a6d6_mafia_JC.exe
    "C:\Users\Admin\AppData\Local\Temp\99dfe5fa8cd1cb430f9b94041db1a6d6_mafia_JC.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious use of WriteProcessMemory
    PID:2812
    • C:\Users\Admin\AppData\Local\Temp\6900.tmp
      "C:\Users\Admin\AppData\Local\Temp\6900.tmp" --helpC:\Users\Admin\AppData\Local\Temp\99dfe5fa8cd1cb430f9b94041db1a6d6_mafia_JC.exe F6076AC087D679F204A17C50B2D5861E1E4F85B1A0B074AB98AD735D8B74FF75E7B36D91948025BBD9FC76CB26CA20ECBE000073FF4F4B0C880E926CE03FB5E5
      2⤵
      • Executes dropped EXE
      • Suspicious behavior: RenamesItself
      • Suspicious use of WriteProcessMemory
      PID:2924
      • 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\99dfe5fa8cd1cb430f9b94041db1a6d6_mafia_JC.doc"
        3⤵
        • Drops file in Windows directory
        • Suspicious behavior: AddClipboardFormatListener
        • Suspicious use of SetWindowsHookEx
        • Suspicious use of WriteProcessMemory
        PID:2164
        • C:\Windows\splwow64.exe
          C:\Windows\splwow64.exe 12288
          4⤵
            PID:1428

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

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    Downloads

    • C:\Users\Admin\AppData\Local\Temp\6900.tmp

      Filesize

      467KB

      MD5

      ffd97645cdf20994f656cbc23afab232

      SHA1

      72ad79d4530c287e6bcfa0534cc90b195e373b2c

      SHA256

      b9a7a0c65c763c4939a56a493404a78187f61ba44addb57b7256f700d2dd696e

      SHA512

      6fa30b69a56d04946dd2f84df24607b2b167e8a6c23292049f1d773c5a0d8b5df0e5371d2eb7b91317047b1d31c1ad71922b97af1bf5a10d79fa84e0c1e06c60

    • C:\Users\Admin\AppData\Local\Temp\99dfe5fa8cd1cb430f9b94041db1a6d6_mafia_JC.doc

      Filesize

      35KB

      MD5

      a6b03fc9e5439b7504ba08010a960962

      SHA1

      e93a74f35ac1ed020158642eb1f2087fd31fc7c6

      SHA256

      b3b306a9618a08a003443e00e8ce2fcb14040775c3aeadc11cf120668e98dff1

      SHA512

      decbe4fa7eec0833a27acbde8b4de099124aa42e551f710fb615e6fc5aa0056ce9e44fc282e4930b1a669a1e012700b2c79cebc8a7b8ee4c66cfc29c800cddd0

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

      Filesize

      20KB

      MD5

      6e2dedf81e83b34e0562e5dd7415fcaf

      SHA1

      2199bc4534198558c2dbbcfbde6a707f03846795

      SHA256

      b4ae5af4dfc05a83660b081a8d925390e4ce24f8a052ac380a045b3f2e9ae065

      SHA512

      14acb2d00be0d0abb815d8a08eb99f861e0942768168df02ff5893e41aa03a3ee12782fbb479388adb85bd41de5d554cff239dea28689e86c8d455a757ce41cb

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

      Filesize

      2B

      MD5

      f3b25701fe362ec84616a93a45ce9998

      SHA1

      d62636d8caec13f04e28442a0a6fa1afeb024bbb

      SHA256

      b3d510ef04275ca8e698e5b3cbb0ece3949ef9252f0cdc839e9ee347409a2209

      SHA512

      98c5f56f3de340690c139e58eb7dac111979f0d4dffe9c4b24ff849510f4b6ffa9fd608c0a3de9ac3c9fd2190f0efaf715309061490f9755a9bfdf1c54ca0d84

    • \Users\Admin\AppData\Local\Temp\6900.tmp

      Filesize

      467KB

      MD5

      ffd97645cdf20994f656cbc23afab232

      SHA1

      72ad79d4530c287e6bcfa0534cc90b195e373b2c

      SHA256

      b9a7a0c65c763c4939a56a493404a78187f61ba44addb57b7256f700d2dd696e

      SHA512

      6fa30b69a56d04946dd2f84df24607b2b167e8a6c23292049f1d773c5a0d8b5df0e5371d2eb7b91317047b1d31c1ad71922b97af1bf5a10d79fa84e0c1e06c60

    • memory/2164-61-0x000000002F850000-0x000000002F9AD000-memory.dmp

      Filesize

      1.4MB

    • memory/2164-62-0x000000005FFF0000-0x0000000060000000-memory.dmp

      Filesize

      64KB

    • memory/2164-63-0x00000000713ED000-0x00000000713F8000-memory.dmp

      Filesize

      44KB

    • memory/2164-81-0x000000002F850000-0x000000002F9AD000-memory.dmp

      Filesize

      1.4MB

    • memory/2164-82-0x00000000713ED000-0x00000000713F8000-memory.dmp

      Filesize

      44KB

    • memory/2164-98-0x000000005FFF0000-0x0000000060000000-memory.dmp

      Filesize

      64KB

    • memory/2164-99-0x00000000713ED000-0x00000000713F8000-memory.dmp

      Filesize

      44KB