Analysis

  • max time kernel
    85s
  • max time network
    93s
  • platform
    windows7_x64
  • resource
    win7-20220414-en
  • submitted
    01-07-2022 14:20

General

  • Target

    c4493204c066c17704b19dfa5c6fa3f55d32b010f5dc97ac04bbe3e3dfd7924f.exe

  • Size

    615KB

  • MD5

    9df25a599697716759c0183e3284f8aa

  • SHA1

    405af3516b660318f006c16b2829adf0ec8e7d14

  • SHA256

    c4493204c066c17704b19dfa5c6fa3f55d32b010f5dc97ac04bbe3e3dfd7924f

  • SHA512

    e13a74ee635eea2c77ed1e4b7b8074de3f87e530a20ee1ec3763933e915621adcdf3c057d6b5e19e80d1ffed776482a47b08e4b996d2f6f0c981fac86e109f27

Malware Config

Extracted

Family

netwire

C2

79.134.225.94:7119

Attributes
  • activex_autorun

    false

  • copy_executable

    false

  • delete_original

    false

  • host_id

    New order

  • keylogger_dir

    %AppData%\Logs\

  • lock_executable

    false

  • offline_keylogger

    true

  • password

    Password

  • registry_autorun

    false

  • use_mutex

    false

Signatures

  • NetWire RAT payload 7 IoCs
  • Netwire

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

  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 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.

  • NTFS ADS 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 3 IoCs
  • Suspicious use of WriteProcessMemory 27 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\c4493204c066c17704b19dfa5c6fa3f55d32b010f5dc97ac04bbe3e3dfd7924f.exe
    "C:\Users\Admin\AppData\Local\Temp\c4493204c066c17704b19dfa5c6fa3f55d32b010f5dc97ac04bbe3e3dfd7924f.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1056
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /c copy "C:/Users/Admin/AppData/Local/Temp/c4493204c066c17704b19dfa5c6fa3f55d32b010f5dc97ac04bbe3e3dfd7924f.exe" "%temp%\FolderN\name.exe" /Y
      2⤵
        PID:952
      • C:\Windows\SysWOW64\cmd.exe
        "C:\Windows\System32\cmd.exe" /c reg add "HKCU\Software\Microsoft\Windows NT\CurrentVersion\Windows" /v Load /t REG_SZ /d "%temp%\FolderN\name.exe.lnk" /f
        2⤵
        • Suspicious use of WriteProcessMemory
        PID:1288
        • C:\Windows\SysWOW64\reg.exe
          reg add "HKCU\Software\Microsoft\Windows NT\CurrentVersion\Windows" /v Load /t REG_SZ /d "C:\Users\Admin\AppData\Local\Temp\FolderN\name.exe.lnk" /f
          3⤵
            PID:1736
        • C:\Windows\SysWOW64\cmd.exe
          "C:\Windows\System32\cmd.exe" /c echo [zoneTransfer]ZoneID = 2 > %temp%\FolderN\name.exe:Zone.Identifier
          2⤵
          • NTFS ADS
          PID:1780
        • C:\Users\Admin\AppData\Local\Temp\svhost.exe
          "C:\Users\Admin\AppData\Local\Temp\svhost.exe"
          2⤵
          • Executes dropped EXE
          PID:1512

      Network

      MITRE ATT&CK Enterprise v6

      Replay Monitor

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      Downloads

      • C:\Users\Admin\AppData\Local\Temp\FolderN\name.exe

        Filesize

        615KB

        MD5

        9df25a599697716759c0183e3284f8aa

        SHA1

        405af3516b660318f006c16b2829adf0ec8e7d14

        SHA256

        c4493204c066c17704b19dfa5c6fa3f55d32b010f5dc97ac04bbe3e3dfd7924f

        SHA512

        e13a74ee635eea2c77ed1e4b7b8074de3f87e530a20ee1ec3763933e915621adcdf3c057d6b5e19e80d1ffed776482a47b08e4b996d2f6f0c981fac86e109f27

      • C:\Users\Admin\AppData\Local\Temp\svhost.exe

        Filesize

        85KB

        MD5

        2e5f1cf69f92392f8829fc9c9263ae9b

        SHA1

        97b9ca766bbbdaa8c9ec960dc41b598f7fad82a5

        SHA256

        51985a57e085d8b17042f0cdc1f905380b792854733eb3275fd8fce4e3bb886b

        SHA512

        f7e096dd9d0fa3a3c04c01bf229c4b344798a4c8b7b848588c1d78cb9fadfa9b1d0fd53c1fe74d191d5561e9eb551a4a3fc918363f119ea60024dd3d67c83883

      • \Users\Admin\AppData\Local\Temp\FolderN\name.exe

        Filesize

        615KB

        MD5

        9df25a599697716759c0183e3284f8aa

        SHA1

        405af3516b660318f006c16b2829adf0ec8e7d14

        SHA256

        c4493204c066c17704b19dfa5c6fa3f55d32b010f5dc97ac04bbe3e3dfd7924f

        SHA512

        e13a74ee635eea2c77ed1e4b7b8074de3f87e530a20ee1ec3763933e915621adcdf3c057d6b5e19e80d1ffed776482a47b08e4b996d2f6f0c981fac86e109f27

      • \Users\Admin\AppData\Local\Temp\svhost.exe

        Filesize

        85KB

        MD5

        2e5f1cf69f92392f8829fc9c9263ae9b

        SHA1

        97b9ca766bbbdaa8c9ec960dc41b598f7fad82a5

        SHA256

        51985a57e085d8b17042f0cdc1f905380b792854733eb3275fd8fce4e3bb886b

        SHA512

        f7e096dd9d0fa3a3c04c01bf229c4b344798a4c8b7b848588c1d78cb9fadfa9b1d0fd53c1fe74d191d5561e9eb551a4a3fc918363f119ea60024dd3d67c83883

      • memory/952-56-0x0000000000000000-mapping.dmp

      • memory/1056-54-0x00000000764C1000-0x00000000764C3000-memory.dmp

        Filesize

        8KB

      • memory/1056-55-0x0000000074860000-0x0000000074E0B000-memory.dmp

        Filesize

        5.7MB

      • memory/1056-79-0x0000000074860000-0x0000000074E0B000-memory.dmp

        Filesize

        5.7MB

      • memory/1288-57-0x0000000000000000-mapping.dmp

      • memory/1512-64-0x0000000000400000-0x000000000042C000-memory.dmp

        Filesize

        176KB

      • memory/1512-63-0x0000000000400000-0x000000000042C000-memory.dmp

        Filesize

        176KB

      • memory/1512-66-0x0000000000400000-0x000000000042C000-memory.dmp

        Filesize

        176KB

      • memory/1512-68-0x0000000000400000-0x000000000042C000-memory.dmp

        Filesize

        176KB

      • memory/1512-69-0x0000000000400000-0x000000000042C000-memory.dmp

        Filesize

        176KB

      • memory/1512-72-0x0000000000400000-0x000000000042C000-memory.dmp

        Filesize

        176KB

      • memory/1512-71-0x0000000000400000-0x000000000042C000-memory.dmp

        Filesize

        176KB

      • memory/1512-73-0x0000000000402BCB-mapping.dmp

      • memory/1512-77-0x0000000000400000-0x000000000042C000-memory.dmp

        Filesize

        176KB

      • memory/1512-78-0x0000000000400000-0x000000000042C000-memory.dmp

        Filesize

        176KB

      • memory/1736-58-0x0000000000000000-mapping.dmp

      • memory/1780-61-0x0000000000000000-mapping.dmp