Analysis

  • max time kernel
    72s
  • max time network
    100s
  • platform
    windows7_x64
  • resource
    win7-20220812-en
  • resource tags

    arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
  • submitted
    08-09-2022 05:36

General

  • Target

    SecuriteInfo.com.Win32.PWSX-gen.7758.exe

  • Size

    1.1MB

  • MD5

    4e496fc0893b49457ba20b10159be839

  • SHA1

    3751e830bd0d6caa7aaeaa8150af1dd998487998

  • SHA256

    3c63068f0ff7610cbe73267e9d3c8a4adc977c9fae26f39808d2880f9c79e204

  • SHA512

    718e40a4f9b41b5e91b91e9a83fe388e88f881a62d20a7b462fd67e96ef60e2dbc18384082f73159b2f297b11c1a0e8b05468879ffed9fefc4f21a40d3f2bdf2

  • SSDEEP

    12288:+kNjm5x1NHuimzrpz0fx0UqHLFTDaa1MXTS2CcSvOqt9s1q6pDD63Cm:+kxm5Iimzrpz0fMTDaa1MXTZCl7t9

Malware Config

Extracted

Family

netwire

C2

212.193.30.230:3345

Attributes
  • activex_autorun

    false

  • copy_executable

    false

  • delete_original

    false

  • host_id

    HostId-%Rand%

  • keylogger_dir

    %AppData%\Logs\

  • lock_executable

    false

  • offline_keylogger

    true

  • password

    Password@9

  • registry_autorun

    false

  • use_mutex

    false

Signatures

  • NetWire RAT payload 8 IoCs
  • Netwire

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

  • Suspicious use of SetThreadContext 1 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 1 IoCs

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

  • Suspicious behavior: EnumeratesProcesses 4 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 32 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Win32.PWSX-gen.7758.exe
    "C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Win32.PWSX-gen.7758.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1904
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\HBspnCUIKupm.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:1868
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\HBspnCUIKupm" /XML "C:\Users\Admin\AppData\Local\Temp\tmp4F1B.tmp"
      2⤵
      • Creates scheduled task(s)
      PID:1804
    • C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Win32.PWSX-gen.7758.exe
      "C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Win32.PWSX-gen.7758.exe"
      2⤵
        PID:1772
      • C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Win32.PWSX-gen.7758.exe
        "C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Win32.PWSX-gen.7758.exe"
        2⤵
          PID:1768
        • C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Win32.PWSX-gen.7758.exe
          "C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Win32.PWSX-gen.7758.exe"
          2⤵
            PID:576
          • C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Win32.PWSX-gen.7758.exe
            "C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Win32.PWSX-gen.7758.exe"
            2⤵
              PID:680

          Network

          MITRE ATT&CK Matrix ATT&CK v6

          Execution

          Scheduled Task

          1
          T1053

          Persistence

          Scheduled Task

          1
          T1053

          Privilege Escalation

          Scheduled Task

          1
          T1053

          Discovery

          System Information Discovery

          1
          T1082

          Replay Monitor

          Loading Replay Monitor...

          Downloads

          • C:\Users\Admin\AppData\Local\Temp\tmp4F1B.tmp
            Filesize

            1KB

            MD5

            a67a31ffe8f70df686396d0ccea5c270

            SHA1

            36277ee569295bb5680ebf53928d3d77ee9e5c33

            SHA256

            27599da8d0a9cc6d6d3d9ec368c14743f22f45e9cf40d4ff068ae0aba5f4abdd

            SHA512

            6d1e6bc6e69fd5e4ef4b915d9b2fdd942a0275ade86f38c78311caf9a6e10a57e21391d0324dfdec63894fc62d766d58144a29c036067995965eee881608074b

          • memory/680-73-0x0000000000400000-0x0000000000433000-memory.dmp
            Filesize

            204KB

          • memory/680-71-0x0000000000400000-0x0000000000433000-memory.dmp
            Filesize

            204KB

          • memory/680-67-0x0000000000400000-0x0000000000433000-memory.dmp
            Filesize

            204KB

          • memory/680-70-0x0000000000400000-0x0000000000433000-memory.dmp
            Filesize

            204KB

          • memory/680-69-0x0000000000400000-0x0000000000433000-memory.dmp
            Filesize

            204KB

          • memory/680-80-0x0000000000400000-0x0000000000433000-memory.dmp
            Filesize

            204KB

          • memory/680-78-0x0000000000400000-0x0000000000433000-memory.dmp
            Filesize

            204KB

          • memory/680-64-0x0000000000400000-0x0000000000433000-memory.dmp
            Filesize

            204KB

          • memory/680-65-0x0000000000400000-0x0000000000433000-memory.dmp
            Filesize

            204KB

          • memory/680-74-0x0000000000400000-0x0000000000433000-memory.dmp
            Filesize

            204KB

          • memory/680-75-0x000000000040242D-mapping.dmp
          • memory/1804-60-0x0000000000000000-mapping.dmp
          • memory/1868-59-0x0000000000000000-mapping.dmp
          • memory/1868-79-0x000000006E7C0000-0x000000006ED6B000-memory.dmp
            Filesize

            5.7MB

          • memory/1868-81-0x000000006E7C0000-0x000000006ED6B000-memory.dmp
            Filesize

            5.7MB

          • memory/1904-58-0x0000000005FA0000-0x000000000603E000-memory.dmp
            Filesize

            632KB

          • memory/1904-54-0x00000000001A0000-0x00000000002B4000-memory.dmp
            Filesize

            1.1MB

          • memory/1904-56-0x0000000000680000-0x000000000069A000-memory.dmp
            Filesize

            104KB

          • memory/1904-57-0x0000000000440000-0x000000000044C000-memory.dmp
            Filesize

            48KB

          • memory/1904-63-0x0000000004D00000-0x0000000004D46000-memory.dmp
            Filesize

            280KB

          • memory/1904-55-0x00000000762D1000-0x00000000762D3000-memory.dmp
            Filesize

            8KB