Analysis

  • max time kernel
    46s
  • max time network
    159s
  • platform
    windows7_x64
  • resource
    win7v20210408
  • submitted
    07-09-2021 16:31

General

  • Target

    D5F2C7C794FCB52DCC2DBA6F4332F373.exe

  • Size

    863KB

  • MD5

    d5f2c7c794fcb52dcc2dba6f4332f373

  • SHA1

    65edbdeb4ff81560937719c66affcded17d42540

  • SHA256

    f0dbc51745cdb0456cde79039f1119c8362aee6a19b54d9a368c9fe3c3d75f0f

  • SHA512

    4239188bf53ec9e00487357d9ea7831d98b928b5d6bdb8e9460bda12f418584cb22eb3680c49d9f03f61b6fb795d1b617e2a21e0650b40de1678a0ab805b628b

Malware Config

Extracted

Family

netwire

C2

185.24.233.14:6080

64.42.179.51:5457

185.103.96.143:5457

91.214.169.69:5457

213.152.161.239:5457

104.254.90.235:5457

Attributes
  • activex_autorun

    false

  • activex_key

  • copy_executable

    false

  • delete_original

    false

  • host_id

    HostId-%Rand%

  • install_path

  • keylogger_dir

    OSEX\

  • lock_executable

    true

  • mutex

    PTgfSODX

  • offline_keylogger

    true

  • password

    Password

  • registry_autorun

    false

  • startup_name

  • use_mutex

    true

Signatures

  • NetWire RAT payload 1 IoCs
  • Netwire

    Netwire is a RAT with main functionalities focused password stealing and keylogging, but also includes remote control capabilities as well.

  • Adds Run key to start application 2 TTPs 1 IoCs
  • Modifies registry key 1 TTPs 3 IoCs
  • Suspicious use of WriteProcessMemory 44 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\D5F2C7C794FCB52DCC2DBA6F4332F373.exe
    "C:\Users\Admin\AppData\Local\Temp\D5F2C7C794FCB52DCC2DBA6F4332F373.exe"
    1⤵
    • Adds Run key to start application
    • Suspicious use of WriteProcessMemory
    PID:1104
    • C:\Windows\SysWOW64\secinit.exe
      C:\Windows\System32\secinit.exe
      2⤵
        PID:1792
      • C:\Windows\SysWOW64\cmd.exe
        cmd /c ""C:\Users\Public\Trast.bat" "
        2⤵
        • Suspicious use of WriteProcessMemory
        PID:280
        • C:\Windows\SysWOW64\cmd.exe
          C:\Windows\system32\cmd.exe /K C:\Users\Public\UKO.bat
          3⤵
          • Suspicious use of WriteProcessMemory
          PID:1636
          • C:\Windows\SysWOW64\reg.exe
            reg delete hkcu\Environment /v windir /f
            4⤵
            • Modifies registry key
            PID:860
          • C:\Windows\SysWOW64\reg.exe
            reg add hkcu\Environment /v windir /d "cmd /c start /min C:\Users\Public\KDECO.bat reg delete hkcu\Environment /v windir /f && REM "
            4⤵
            • Modifies registry key
            PID:380
          • C:\Windows\SysWOW64\schtasks.exe
            schtasks /Run /TN \Microsoft\Windows\DiskCleanup\SilentCleanup /I
            4⤵
              PID:1932
        • C:\Windows\SysWOW64\cmd.exe
          cmd /c ""C:\Users\Public\nest.bat" "
          2⤵
          • Suspicious use of WriteProcessMemory
          PID:1116
          • C:\Windows\SysWOW64\reg.exe
            reg delete hkcu\Environment /v windir /f
            3⤵
            • Modifies registry key
            PID:1524

      Network

      MITRE ATT&CK Matrix ATT&CK v6

      Persistence

      Registry Run Keys / Startup Folder

      1
      T1060

      Defense Evasion

      Modify Registry

      2
      T1112

      Replay Monitor

      Loading Replay Monitor...

      Downloads

      • C:\Users\Public\Trast.bat
        MD5

        4068c9f69fcd8a171c67f81d4a952a54

        SHA1

        4d2536a8c28cdcc17465e20d6693fb9e8e713b36

        SHA256

        24222300c78180b50ed1f8361ba63cb27316ec994c1c9079708a51b4a1a9d810

        SHA512

        a64f9319acc51fffd0491c74dcd9c9084c2783b82f95727e4bfe387a8528c6dcf68f11418e88f1e133d115daf907549c86dd7ad866b2a7938add5225fbb2811d

      • C:\Users\Public\UKO.bat
        MD5

        eaf8d967454c3bbddbf2e05a421411f8

        SHA1

        6170880409b24de75c2dc3d56a506fbff7f6622c

        SHA256

        f35f2658455a2e40f151549a7d6465a836c33fa9109e67623916f889849eac56

        SHA512

        fe5be5c673e99f70c93019d01abb0a29dd2ecf25b2d895190ff551f020c28e7d8f99f65007f440f0f76c5bcac343b2a179a94d190c938ea3b9e1197890a412e9

      • C:\Users\Public\nest.bat
        MD5

        8ada51400b7915de2124baaf75e3414c

        SHA1

        1a7b9db12184ab7fd7fce1c383f9670a00adb081

        SHA256

        45aa3957c29865260a78f03eef18ae9aebdbf7bea751ecc88be4a799f2bb46c7

        SHA512

        9afc138157a4565294ca49942579cdb6f5d8084e56f9354738de62b585f4c0fa3e7f2cbc9541827f2084e3ff36c46eed29b46f5dd2444062ffcd05c599992e68

      • memory/280-68-0x0000000000000000-mapping.dmp
      • memory/380-73-0x0000000000000000-mapping.dmp
      • memory/860-72-0x0000000000000000-mapping.dmp
      • memory/1104-61-0x0000000000280000-0x000000000029B000-memory.dmp
        Filesize

        108KB

      • memory/1104-65-0x0000000075551000-0x0000000075553000-memory.dmp
        Filesize

        8KB

      • memory/1104-64-0x0000000000260000-0x0000000000261000-memory.dmp
        Filesize

        4KB

      • memory/1116-80-0x0000000000000000-mapping.dmp
      • memory/1524-82-0x0000000000000000-mapping.dmp
      • memory/1636-70-0x0000000000000000-mapping.dmp
      • memory/1792-77-0x0000000000170000-0x0000000000171000-memory.dmp
        Filesize

        4KB

      • memory/1792-76-0x0000000000100000-0x0000000000101000-memory.dmp
        Filesize

        4KB

      • memory/1792-75-0x00000000000C0000-0x00000000000C1000-memory.dmp
        Filesize

        4KB

      • memory/1792-79-0x0000000000400000-0x0000000000433000-memory.dmp
        Filesize

        204KB

      • memory/1792-78-0x0000000010550000-0x0000000010585000-memory.dmp
        Filesize

        212KB

      • memory/1792-66-0x0000000000000000-mapping.dmp
      • memory/1932-74-0x0000000000000000-mapping.dmp