Analysis

  • max time kernel
    146s
  • max time network
    150s
  • platform
    windows7_x64
  • resource
    win7v20210408
  • submitted
    30-09-2021 17:19

General

  • Target

    Rydpgfedijfrhoakhqtcjqisumduwxfmob.exe

  • Size

    901KB

  • MD5

    4ce09ea5a6a283048005cabca2955c0e

  • SHA1

    19e45ffb02a59bc111e22e7accb9140d364f7821

  • SHA256

    0930c77f216e3647b652770d81a3e83b2fe738477ca3373e0470f4fc7dba9e24

  • SHA512

    5bcd5e81defe5c6127940009d3fe3f1d7ec1e6929cf4a09cb1bd54cb5f6e5b0fbfdddc1506960157d1c1f818c3669c725e7f1ff093f4b10a2bd1a5b847cda4bc

Malware Config

Extracted

Family

netwire

C2

213.152.162.181:5133

184.75.221.171:5133

199.249.230.27:5133

185.103.96.143:5133

185.104.184.43:5133

Attributes
  • activex_autorun

    false

  • activex_key

  • copy_executable

    false

  • delete_original

    false

  • host_id

    HostId-%Rand%

  • install_path

  • keylogger_dir

  • lock_executable

    true

  • mutex

    SeDCqQtm

  • offline_keylogger

    false

  • 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
  • Modifies system certificate store 2 TTPs 4 IoCs
  • Suspicious use of WriteProcessMemory 44 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\Rydpgfedijfrhoakhqtcjqisumduwxfmob.exe
    "C:\Users\Admin\AppData\Local\Temp\Rydpgfedijfrhoakhqtcjqisumduwxfmob.exe"
    1⤵
    • Adds Run key to start application
    • Modifies system certificate store
    • Suspicious use of WriteProcessMemory
    PID:984
    • C:\Windows\SysWOW64\mobsync.exe
      C:\Windows\System32\mobsync.exe
      2⤵
        PID:1784
      • C:\Windows\SysWOW64\cmd.exe
        cmd /c ""C:\Users\Public\Trast.bat" "
        2⤵
        • Suspicious use of WriteProcessMemory
        PID:1788
        • C:\Windows\SysWOW64\cmd.exe
          C:\Windows\system32\cmd.exe /K C:\Users\Public\UKO.bat
          3⤵
          • Suspicious use of WriteProcessMemory
          PID:824
          • C:\Windows\SysWOW64\reg.exe
            reg delete hkcu\Environment /v windir /f
            4⤵
            • Modifies registry key
            PID:1096
          • 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:844
          • C:\Windows\SysWOW64\schtasks.exe
            schtasks /Run /TN \Microsoft\Windows\DiskCleanup\SilentCleanup /I
            4⤵
              PID:1540
        • C:\Windows\SysWOW64\cmd.exe
          cmd /c ""C:\Users\Public\nest.bat" "
          2⤵
          • Suspicious use of WriteProcessMemory
          PID:316
          • C:\Windows\SysWOW64\reg.exe
            reg delete hkcu\Environment /v windir /f
            3⤵
            • Modifies registry key
            PID:324

      Network

      MITRE ATT&CK Matrix ATT&CK v6

      Persistence

      Registry Run Keys / Startup Folder

      1
      T1060

      Defense Evasion

      Modify Registry

      3
      T1112

      Install Root Certificate

      1
      T1130

      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/316-79-0x0000000000000000-mapping.dmp
      • memory/324-81-0x0000000000000000-mapping.dmp
      • memory/824-73-0x0000000000000000-mapping.dmp
      • memory/844-76-0x0000000000000000-mapping.dmp
      • memory/984-61-0x00000000002A0000-0x00000000002A1000-memory.dmp
        Filesize

        4KB

      • memory/984-64-0x00000000041F0000-0x0000000004239000-memory.dmp
        Filesize

        292KB

      • memory/984-60-0x0000000075AD1000-0x0000000075AD3000-memory.dmp
        Filesize

        8KB

      • memory/1096-75-0x0000000000000000-mapping.dmp
      • memory/1540-77-0x0000000000000000-mapping.dmp
      • memory/1784-71-0x00000000725C0000-0x00000000725F5000-memory.dmp
        Filesize

        212KB

      • memory/1784-70-0x0000000000120000-0x0000000000121000-memory.dmp
        Filesize

        4KB

      • memory/1784-68-0x0000000000080000-0x0000000000081000-memory.dmp
        Filesize

        4KB

      • memory/1784-78-0x0000000000400000-0x0000000000433000-memory.dmp
        Filesize

        204KB

      • memory/1784-69-0x00000000000C0000-0x00000000000C1000-memory.dmp
        Filesize

        4KB

      • memory/1784-65-0x0000000000000000-mapping.dmp
      • memory/1788-67-0x0000000000000000-mapping.dmp