Analysis

  • max time kernel
    121s
  • max time network
    121s
  • platform
    windows7_x64
  • resource
    win7-20240215-en
  • resource tags

    arch:x64arch:x86image:win7-20240215-enlocale:en-usos:windows7-x64system
  • submitted
    05/05/2024, 03:48

General

  • Target

    2024-05-05_2123003f51d8ebc8dac87ad9add031ae_mafia_nionspy.exe

  • Size

    328KB

  • MD5

    2123003f51d8ebc8dac87ad9add031ae

  • SHA1

    4dededce576654dc7439f54f3f37c86befa0b80c

  • SHA256

    618af24d4d1c4a822c5f5c3666ebc60acb0b2d9b494dc00c37603ee380519449

  • SHA512

    d65591662f8968fb35dab8e35c4dbe4e9f5adca0ee069345a9830d5d54032b843ab36874b44e2a1ead691bd2f47b71f1ad83e1f9add53dc3035a574ff6331bb7

  • SSDEEP

    6144:E2+JS2sFafI8U0obHCW/2a7XQcsPMjVWrG89gkPzDh1v:E2TFafJiHCWBWPMjVWrXf1v

Score
7/10

Malware Config

Signatures

  • Executes dropped EXE 2 IoCs
  • Loads dropped DLL 4 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Modifies registry class 28 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 8 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\2024-05-05_2123003f51d8ebc8dac87ad9add031ae_mafia_nionspy.exe
    "C:\Users\Admin\AppData\Local\Temp\2024-05-05_2123003f51d8ebc8dac87ad9add031ae_mafia_nionspy.exe"
    1⤵
    • Loads dropped DLL
    • Modifies registry class
    • Suspicious use of WriteProcessMemory
    PID:2240
    • C:\Users\Admin\AppData\Roaming\Microsoft\Posix\csrssys.exe
      "C:\Users\Admin\AppData\Roaming\Microsoft\Posix\csrssys.exe" /START "C:\Users\Admin\AppData\Roaming\Microsoft\Posix\csrssys.exe"
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:2976
      • C:\Users\Admin\AppData\Roaming\Microsoft\Posix\csrssys.exe
        "C:\Users\Admin\AppData\Roaming\Microsoft\Posix\csrssys.exe"
        3⤵
        • Executes dropped EXE
        PID:2612

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

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        Downloads

        • \Users\Admin\AppData\Roaming\Microsoft\Posix\csrssys.exe

          Filesize

          328KB

          MD5

          7ac93982e1ca44ef08107b279f5a7203

          SHA1

          646f3fdd09e4ab07afa5aaff3ae98ecba1212643

          SHA256

          fabdd2aff3b912a12b86444553a378b1d6f1b9c7894e8edaeb0e6810ab49076f

          SHA512

          da725ae56e1d00fe5f06371642a9b69b748bd7fee812bf691c7cb4b45768716e05078cf32cd008497ea73e38636924d903baba2405675ee6906025b7246a5d35