Analysis

  • max time kernel
    119s
  • max time network
    119s
  • platform
    windows7_x64
  • resource
    win7-20240508-en
  • resource tags

    arch:x64arch:x86image:win7-20240508-enlocale:en-usos:windows7-x64system
  • submitted
    28-05-2024 15:09

General

  • Target

    $TEMP/RhetorEnthymeme.dll

  • Size

    40KB

  • MD5

    d4e93d543311e967769bf26b2e72f1ec

  • SHA1

    36cb67efe0fe2ea4afec3915c1aadd7eb11797ee

  • SHA256

    d96f793cfde6ba3656d177e35007bc316725d70fdb81fb2d7234053a8dbf7d47

  • SHA512

    a2de0bec4c060f92bd73737c4582cc3530408ca294db5c1b414706fc9822bbb008f63be3b78751d3048dc16fd55de4876241510eb38d22131577162990c03784

  • SSDEEP

    768:9kXnd3E/VEhxuGkZh8PGnTEDL3vyT12wfu/:9kXdUOXat1T1rfu

Malware Config

Extracted

Family

netwire

C2

bushuc009.duckdns.org:1982

Attributes
  • activex_autorun

    false

  • copy_executable

    false

  • delete_original

    false

  • host_id

    DP

  • lock_executable

    false

  • offline_keylogger

    false

  • password

    Password

  • registry_autorun

    false

  • use_mutex

    false

Signatures

  • NetWire RAT payload 2 IoCs
  • Netwire

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

  • Enumerates physical storage devices 1 TTPs

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

  • Suspicious behavior: EnumeratesProcesses 1 IoCs
  • Suspicious behavior: MapViewOfSection 1 IoCs
  • Suspicious use of WriteProcessMemory 64 IoCs

Processes

  • C:\Windows\system32\rundll32.exe
    rundll32.exe C:\Users\Admin\AppData\Local\Temp\$TEMP\RhetorEnthymeme.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:2008
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\$TEMP\RhetorEnthymeme.dll,#1
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious behavior: MapViewOfSection
      • Suspicious use of WriteProcessMemory
      PID:1932
      • C:\Windows\SysWOW64\cmd.exe
        "C:\Windows\system32\cmd.exe"
        3⤵
        • Suspicious use of WriteProcessMemory
        PID:2908
        • C:\Windows\SysWOW64\cmd.exe
          C:\Windows\system32\cmd.exe /c "COPY /Y /B "" "C:\Users\Admin\AppData\Roaming\Macromedia\Robocopy.exe""
          4⤵
            PID:2568
          • C:\Windows\SysWOW64\cmd.exe
            C:\Windows\system32\cmd.exe /c "COPY /Y /B "" "C:\Users\Admin\AppData\Roaming\Macromedia\Robocopy.exe""
            4⤵
              PID:2956
            • C:\Windows\SysWOW64\cmd.exe
              C:\Windows\system32\cmd.exe /c "COPY /Y /B "" "C:\Users\Admin\AppData\Roaming\Macromedia\Robocopy.exe""
              4⤵
                PID:2060
              • C:\Windows\SysWOW64\cmd.exe
                C:\Windows\system32\cmd.exe /c "COPY /Y /B "" "C:\Users\Admin\AppData\Roaming\Macromedia\Robocopy.exe""
                4⤵
                  PID:1496
                • C:\Windows\SysWOW64\cmd.exe
                  C:\Windows\system32\cmd.exe /c "COPY /Y /B "" "C:\Users\Admin\AppData\Roaming\Macromedia\Robocopy.exe""
                  4⤵
                    PID:1460
                  • C:\Windows\SysWOW64\cmd.exe
                    C:\Windows\system32\cmd.exe /c "COPY /Y /B "" "C:\Users\Admin\AppData\Roaming\Macromedia\Robocopy.exe""
                    4⤵
                      PID:1860

              Network

              MITRE ATT&CK Matrix ATT&CK v13

              Replay Monitor

              Loading Replay Monitor...

              Downloads

              • memory/1932-1-0x0000000000180000-0x0000000000182000-memory.dmp
                Filesize

                8KB

              • memory/1932-0-0x0000000074E80000-0x0000000074ED8000-memory.dmp
                Filesize

                352KB

              • memory/1932-2-0x0000000076150000-0x0000000076185000-memory.dmp
                Filesize

                212KB

              • memory/1932-6-0x0000000074E80000-0x0000000074ED8000-memory.dmp
                Filesize

                352KB

              • memory/2908-3-0x0000000000400000-0x0000000000433000-memory.dmp
                Filesize

                204KB

              • memory/2908-4-0x0000000000400000-0x0000000000433000-memory.dmp
                Filesize

                204KB

              • memory/2908-5-0x0000000000090000-0x0000000000096000-memory.dmp
                Filesize

                24KB