Analysis

  • max time kernel
    146s
  • max time network
    45s
  • platform
    windows7_x64
  • resource
    win7-20220812-en
  • resource tags

    arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
  • submitted
    20-11-2022 04:02

General

  • Target

    40c26b6c33d9d3d38194c90eae2e6564450e9c2f64d8cca838a527515db285a1.exe

  • Size

    87KB

  • MD5

    320eeab7b748f8f53fb2722e42046990

  • SHA1

    700094dcc889f9866afee7cf7b3a00c4a9430918

  • SHA256

    40c26b6c33d9d3d38194c90eae2e6564450e9c2f64d8cca838a527515db285a1

  • SHA512

    2b8a021759fad02584eb4786ad92ab9fa39948729cf5d56635505578728f6bbd5c6d9926a05e7e744b85770db0c95a14da493b0443c33b729b356b2e0a3206e3

  • SSDEEP

    1536:nwiKJJMrjeYMZjIxQ2VV5ms1LrvMm0u0aSRerY9VlA0Gx5LViQa:hvK6G8fvMmJ0RRerY/lA0s1g

Malware Config

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.

  • Loads dropped DLL 1 IoCs
  • Adds Run key to start application 2 TTPs 2 IoCs
  • Suspicious use of SetThreadContext 1 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Suspicious behavior: EnumeratesProcesses 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 17 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\40c26b6c33d9d3d38194c90eae2e6564450e9c2f64d8cca838a527515db285a1.exe
    "C:\Users\Admin\AppData\Local\Temp\40c26b6c33d9d3d38194c90eae2e6564450e9c2f64d8cca838a527515db285a1.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1636
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\system32\cmd.exe" /c reg add "HKCU\Software\Microsoft\Windows\CurrentVersion\Run" /f /v "Gw2hwNrLvA" /t REG_SZ /d "C:\Users\Admin\AppData\Roaming\v294jnEZ\VQNqLI8.exe.lnk"
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:1340
      • C:\Windows\SysWOW64\reg.exe
        reg add "HKCU\Software\Microsoft\Windows\CurrentVersion\Run" /f /v "Gw2hwNrLvA" /t REG_SZ /d "C:\Users\Admin\AppData\Roaming\v294jnEZ\VQNqLI8.exe.lnk"
        3⤵
        • Adds Run key to start application
        PID:1920
    • C:\Windows\Microsoft.NET\Framework\v2.0.50727\cvtres.exe
      "C:\Windows\Microsoft.NET\Framework\v2.0.50727\cvtres.exe"
      2⤵
        PID:1136

    Network

    MITRE ATT&CK Enterprise v6

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • \Users\Admin\AppData\Roaming\v294jnEZ\VQNqLI8.exe

      Filesize

      87KB

      MD5

      320eeab7b748f8f53fb2722e42046990

      SHA1

      700094dcc889f9866afee7cf7b3a00c4a9430918

      SHA256

      40c26b6c33d9d3d38194c90eae2e6564450e9c2f64d8cca838a527515db285a1

      SHA512

      2b8a021759fad02584eb4786ad92ab9fa39948729cf5d56635505578728f6bbd5c6d9926a05e7e744b85770db0c95a14da493b0443c33b729b356b2e0a3206e3

    • memory/1136-66-0x0000000000400000-0x0000000000418000-memory.dmp

      Filesize

      96KB

    • memory/1136-59-0x0000000000400000-0x0000000000418000-memory.dmp

      Filesize

      96KB

    • memory/1136-60-0x0000000000400000-0x0000000000418000-memory.dmp

      Filesize

      96KB

    • memory/1136-62-0x0000000000400000-0x0000000000418000-memory.dmp

      Filesize

      96KB

    • memory/1136-64-0x0000000000400000-0x0000000000418000-memory.dmp

      Filesize

      96KB

    • memory/1136-67-0x0000000000401FEC-mapping.dmp

    • memory/1136-70-0x0000000000400000-0x0000000000418000-memory.dmp

      Filesize

      96KB

    • memory/1136-71-0x0000000000400000-0x0000000000418000-memory.dmp

      Filesize

      96KB

    • memory/1340-57-0x0000000000000000-mapping.dmp

    • memory/1636-55-0x0000000074DE0000-0x000000007538B000-memory.dmp

      Filesize

      5.7MB

    • memory/1636-54-0x00000000762F1000-0x00000000762F3000-memory.dmp

      Filesize

      8KB

    • memory/1636-72-0x0000000074DE0000-0x000000007538B000-memory.dmp

      Filesize

      5.7MB

    • memory/1920-58-0x0000000000000000-mapping.dmp