Analysis

  • max time kernel
    152s
  • max time network
    51s
  • platform
    windows7_x64
  • resource
    win7-20220812-en
  • resource tags

    arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
  • submitted
    02/10/2022, 06:50

General

  • Target

    d5cf8d76011c5416b4c54ae425d6f0f5dd9f833d9fd9cb6deee1d7a8978ba65b.exe

  • Size

    172KB

  • MD5

    70d5a04aedd9ccdbe64a4bcaa72d6e36

  • SHA1

    061b3d551879bdd98f731f3258b4810a21b27928

  • SHA256

    d5cf8d76011c5416b4c54ae425d6f0f5dd9f833d9fd9cb6deee1d7a8978ba65b

  • SHA512

    691ab632d882d1aca282021e823934eb853e0a66f4b88dea7e809078743d4f866c0165f2d7d46bcddafeaa3cd0191849e65928970370916bf78a98c2b43012ed

  • SSDEEP

    1536:I5hd+1ZAYNMUAEeKWScfp3p9MQsoz2fRnleTtbjpeMyowLJz:3pdWScfp3zsLt6bVejJ

Score
10/10

Malware Config

Signatures

  • Modifies visiblity of hidden/system files in Explorer 2 TTPs 1 IoCs
  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 2 IoCs
  • Adds Run key to start application 2 TTPs 53 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 64 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\d5cf8d76011c5416b4c54ae425d6f0f5dd9f833d9fd9cb6deee1d7a8978ba65b.exe
    "C:\Users\Admin\AppData\Local\Temp\d5cf8d76011c5416b4c54ae425d6f0f5dd9f833d9fd9cb6deee1d7a8978ba65b.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:2020
    • C:\Users\Admin\zueni.exe
      "C:\Users\Admin\zueni.exe"
      2⤵
      • Modifies visiblity of hidden/system files in Explorer
      • Executes dropped EXE
      • Adds Run key to start application
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:1444

Network

        MITRE ATT&CK Enterprise v6

        Replay Monitor

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        Downloads

        • C:\Users\Admin\zueni.exe

          Filesize

          172KB

          MD5

          161e11dbbbd6a69d482e688cd09b5cb1

          SHA1

          53595e697bd45f06dfdb6ef369bea3cb374d5bf1

          SHA256

          531d4ffc18ff1aa6ad1081234325b0c503530980f33dea6ef0fb8f339e51b15d

          SHA512

          8575affc25d0ac8af49b8bdff02271f8c8452e8abd6aa38e8dda2db8e703169bbdfc83511aebb9a7ce565cd56c89af2b67612248527eb9f4d9cd5d5e75237777

        • C:\Users\Admin\zueni.exe

          Filesize

          172KB

          MD5

          161e11dbbbd6a69d482e688cd09b5cb1

          SHA1

          53595e697bd45f06dfdb6ef369bea3cb374d5bf1

          SHA256

          531d4ffc18ff1aa6ad1081234325b0c503530980f33dea6ef0fb8f339e51b15d

          SHA512

          8575affc25d0ac8af49b8bdff02271f8c8452e8abd6aa38e8dda2db8e703169bbdfc83511aebb9a7ce565cd56c89af2b67612248527eb9f4d9cd5d5e75237777

        • \Users\Admin\zueni.exe

          Filesize

          172KB

          MD5

          161e11dbbbd6a69d482e688cd09b5cb1

          SHA1

          53595e697bd45f06dfdb6ef369bea3cb374d5bf1

          SHA256

          531d4ffc18ff1aa6ad1081234325b0c503530980f33dea6ef0fb8f339e51b15d

          SHA512

          8575affc25d0ac8af49b8bdff02271f8c8452e8abd6aa38e8dda2db8e703169bbdfc83511aebb9a7ce565cd56c89af2b67612248527eb9f4d9cd5d5e75237777

        • \Users\Admin\zueni.exe

          Filesize

          172KB

          MD5

          161e11dbbbd6a69d482e688cd09b5cb1

          SHA1

          53595e697bd45f06dfdb6ef369bea3cb374d5bf1

          SHA256

          531d4ffc18ff1aa6ad1081234325b0c503530980f33dea6ef0fb8f339e51b15d

          SHA512

          8575affc25d0ac8af49b8bdff02271f8c8452e8abd6aa38e8dda2db8e703169bbdfc83511aebb9a7ce565cd56c89af2b67612248527eb9f4d9cd5d5e75237777

        • memory/2020-56-0x0000000075451000-0x0000000075453000-memory.dmp

          Filesize

          8KB