Analysis

  • max time kernel
    143s
  • max time network
    148s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220812-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
  • submitted
    01-10-2022 07:38

General

  • Target

    95b5d76bfb2204011333248cc121b5a4.exe

  • Size

    882KB

  • MD5

    95b5d76bfb2204011333248cc121b5a4

  • SHA1

    6faea7983c34f12cec7d22184be0eb1693e0abaf

  • SHA256

    849590a841b815d047cfdadf4f430a64b8b1ac03518a0e1f18923662e7f4563e

  • SHA512

    966343713d2174f09e1f5aa4493eb79bfca3b6504ff18253449e7a153c8a249f4a52e9d0a7e7319817b284fbaa80dff94e034772cc32fb3635457cbb1f3fc152

  • SSDEEP

    12288:eP9sJ2iNZrmsAJVSsuTEa0nKYVNp1X8bX+r9k3RADqjJ5n5OiU0rZIG41r5XiXoT:ePiJ1rasmLNaGKgNb8+rEjr5G

Malware Config

Extracted

Family

netwire

C2

37.0.14.206:3384

Attributes
  • activex_autorun

    false

  • copy_executable

    true

  • delete_original

    false

  • host_id

    HostId-%Rand%

  • install_path

    %AppData%\Install\Host.exe

  • keylogger_dir

    %AppData%\Logs\

  • lock_executable

    true

  • offline_keylogger

    true

  • password

    Password234

  • registry_autorun

    false

  • use_mutex

    false

Signatures

  • NetWire RAT payload 5 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 2 IoCs
  • Checks computer location settings 2 TTPs 3 IoCs

    Looks up country code configured in the registry, likely geofence.

  • Suspicious use of SetThreadContext 2 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Creates scheduled task(s) 1 TTPs 2 IoCs

    Schtasks is often used by malware for persistence or to perform post-infection execution.

  • Suspicious behavior: EnumeratesProcesses 8 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 40 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\95b5d76bfb2204011333248cc121b5a4.exe
    "C:\Users\Admin\AppData\Local\Temp\95b5d76bfb2204011333248cc121b5a4.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:3356
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\NksNHqr" /XML "C:\Users\Admin\AppData\Local\Temp\tmpE94B.tmp"
      2⤵
      • Creates scheduled task(s)
      PID:5080
    • C:\Users\Admin\AppData\Local\Temp\95b5d76bfb2204011333248cc121b5a4.exe
      "{path}"
      2⤵
        PID:3932
      • C:\Users\Admin\AppData\Local\Temp\95b5d76bfb2204011333248cc121b5a4.exe
        "{path}"
        2⤵
          PID:4652
        • C:\Users\Admin\AppData\Local\Temp\95b5d76bfb2204011333248cc121b5a4.exe
          "{path}"
          2⤵
            PID:4124
          • C:\Users\Admin\AppData\Local\Temp\95b5d76bfb2204011333248cc121b5a4.exe
            "{path}"
            2⤵
            • Checks computer location settings
            • Suspicious use of WriteProcessMemory
            PID:4224
            • C:\Users\Admin\AppData\Roaming\Install\Host.exe
              "C:\Users\Admin\AppData\Roaming\Install\Host.exe"
              3⤵
              • Executes dropped EXE
              • Checks computer location settings
              • Suspicious use of SetThreadContext
              • Suspicious behavior: EnumeratesProcesses
              • Suspicious use of AdjustPrivilegeToken
              • Suspicious use of WriteProcessMemory
              PID:4496
              • C:\Windows\SysWOW64\schtasks.exe
                "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\NksNHqr" /XML "C:\Users\Admin\AppData\Local\Temp\tmp5360.tmp"
                4⤵
                • Creates scheduled task(s)
                PID:3396
              • C:\Users\Admin\AppData\Roaming\Install\Host.exe
                "{path}"
                4⤵
                • Executes dropped EXE
                PID:3108

        Network

        MITRE ATT&CK Enterprise v6

        Replay Monitor

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        Downloads

        • C:\Users\Admin\AppData\Local\Temp\tmp5360.tmp

          Filesize

          1KB

          MD5

          65f892aa7144c7be9e9f0a64060f5f79

          SHA1

          33d937d86129a4c23affae32947812eb136fdacb

          SHA256

          fae46df3949c6dc59024f3dfbb59c659f1ea3f1ee8f6577a86da8f61af455d3c

          SHA512

          56585dce966d86b92a31e3384fe406b29a267da169efd8687552d3b927ddadb92579f83297866aeea394ac6c46abb3bd6cce605e9bd66c50091ff066024aca0f

        • C:\Users\Admin\AppData\Local\Temp\tmpE94B.tmp

          Filesize

          1KB

          MD5

          65f892aa7144c7be9e9f0a64060f5f79

          SHA1

          33d937d86129a4c23affae32947812eb136fdacb

          SHA256

          fae46df3949c6dc59024f3dfbb59c659f1ea3f1ee8f6577a86da8f61af455d3c

          SHA512

          56585dce966d86b92a31e3384fe406b29a267da169efd8687552d3b927ddadb92579f83297866aeea394ac6c46abb3bd6cce605e9bd66c50091ff066024aca0f

        • C:\Users\Admin\AppData\Roaming\Install\Host.exe

          Filesize

          882KB

          MD5

          95b5d76bfb2204011333248cc121b5a4

          SHA1

          6faea7983c34f12cec7d22184be0eb1693e0abaf

          SHA256

          849590a841b815d047cfdadf4f430a64b8b1ac03518a0e1f18923662e7f4563e

          SHA512

          966343713d2174f09e1f5aa4493eb79bfca3b6504ff18253449e7a153c8a249f4a52e9d0a7e7319817b284fbaa80dff94e034772cc32fb3635457cbb1f3fc152

        • C:\Users\Admin\AppData\Roaming\Install\Host.exe

          Filesize

          882KB

          MD5

          95b5d76bfb2204011333248cc121b5a4

          SHA1

          6faea7983c34f12cec7d22184be0eb1693e0abaf

          SHA256

          849590a841b815d047cfdadf4f430a64b8b1ac03518a0e1f18923662e7f4563e

          SHA512

          966343713d2174f09e1f5aa4493eb79bfca3b6504ff18253449e7a153c8a249f4a52e9d0a7e7319817b284fbaa80dff94e034772cc32fb3635457cbb1f3fc152

        • C:\Users\Admin\AppData\Roaming\Install\Host.exe

          Filesize

          882KB

          MD5

          95b5d76bfb2204011333248cc121b5a4

          SHA1

          6faea7983c34f12cec7d22184be0eb1693e0abaf

          SHA256

          849590a841b815d047cfdadf4f430a64b8b1ac03518a0e1f18923662e7f4563e

          SHA512

          966343713d2174f09e1f5aa4493eb79bfca3b6504ff18253449e7a153c8a249f4a52e9d0a7e7319817b284fbaa80dff94e034772cc32fb3635457cbb1f3fc152

        • memory/3108-156-0x0000000000400000-0x0000000000433000-memory.dmp

          Filesize

          204KB

        • memory/3108-157-0x0000000000400000-0x0000000000433000-memory.dmp

          Filesize

          204KB

        • memory/3108-152-0x0000000000000000-mapping.dmp

        • memory/3356-136-0x0000000005960000-0x000000000596A000-memory.dmp

          Filesize

          40KB

        • memory/3356-135-0x0000000005A10000-0x0000000005AAC000-memory.dmp

          Filesize

          624KB

        • memory/3356-134-0x0000000005970000-0x0000000005A02000-memory.dmp

          Filesize

          584KB

        • memory/3356-133-0x0000000005E80000-0x0000000006424000-memory.dmp

          Filesize

          5.6MB

        • memory/3356-132-0x0000000000E80000-0x0000000000F62000-memory.dmp

          Filesize

          904KB

        • memory/3396-150-0x0000000000000000-mapping.dmp

        • memory/3932-139-0x0000000000000000-mapping.dmp

        • memory/4124-141-0x0000000000000000-mapping.dmp

        • memory/4224-149-0x0000000000400000-0x0000000000433000-memory.dmp

          Filesize

          204KB

        • memory/4224-145-0x0000000000400000-0x0000000000433000-memory.dmp

          Filesize

          204KB

        • memory/4224-143-0x0000000000400000-0x0000000000433000-memory.dmp

          Filesize

          204KB

        • memory/4224-142-0x0000000000000000-mapping.dmp

        • memory/4496-146-0x0000000000000000-mapping.dmp

        • memory/4652-140-0x0000000000000000-mapping.dmp

        • memory/5080-137-0x0000000000000000-mapping.dmp