Analysis

  • max time kernel
    83s
  • max time network
    109s
  • platform
    windows7_x64
  • resource
    win7-20220812-en
  • resource tags

    arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
  • submitted
    07-10-2022 08:11

General

  • Target

    Remittance AdviceInvoice and parking List pdf.exe

  • Size

    1.0MB

  • MD5

    ce1250f42f8fa8bc70082cf2b591c471

  • SHA1

    70a550c5d3ed62257fd1dfd9213a99444104d69b

  • SHA256

    8a339775bd331c2bac7f1e0152dbdd6d8037ef2098a6b455b1cce45107cb5e6e

  • SHA512

    187c386f97562b7fd84467ff3bc4865d84a0ba7d14f3266ca0423a9574908e5bfeda7d14d739686b7e0d90e61abafcc9943fa62c081ac59decd463a45180e4cb

  • SSDEEP

    12288:O2iNzJLbODG3PnKgGtW07tZMtQ/VP/281jPRSPCfdrXPm3u:O1fukPnvt0ZZ4Q/VP/28OPCN+3

Malware Config

Extracted

Family

netwire

C2

kimlee11.duckdns.org:8839

Attributes
  • activex_autorun

    false

  • copy_executable

    false

  • delete_original

    false

  • host_id

    HostId-%Rand%

  • lock_executable

    false

  • offline_keylogger

    false

  • password

    Password

  • 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 8 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 23 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\Remittance AdviceInvoice and parking List pdf.exe
    "C:\Users\Admin\AppData\Local\Temp\Remittance AdviceInvoice and parking List pdf.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2044
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\ATtzwttIOonXlr.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:1540
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\ATtzwttIOonXlr" /XML "C:\Users\Admin\AppData\Local\Temp\tmp3035.tmp"
      2⤵
      • Creates scheduled task(s)
      PID:1392
    • C:\Users\Admin\AppData\Local\Temp\Remittance AdviceInvoice and parking List pdf.exe
      "C:\Users\Admin\AppData\Local\Temp\Remittance AdviceInvoice and parking List pdf.exe"
      2⤵
        PID:524
      • C:\Users\Admin\AppData\Local\Temp\Remittance AdviceInvoice and parking List pdf.exe
        "C:\Users\Admin\AppData\Local\Temp\Remittance AdviceInvoice and parking List pdf.exe"
        2⤵
          PID:900

      Network

      MITRE ATT&CK Enterprise v6

      Replay Monitor

      Loading Replay Monitor...

      Downloads

      • C:\Users\Admin\AppData\Local\Temp\tmp3035.tmp

        Filesize

        1KB

        MD5

        04132162fb16e98606b726cadfc5e315

        SHA1

        1e390335fcce78d9957884a2e0980ff3791a5472

        SHA256

        027d53202f16c95bfab17c0dab81b22b1250e0d331195a563eca116e1234d674

        SHA512

        9b04fc137c88ecf1793bb41412eb671d83e7c437efb3bf0cec074c35ccdc735c55e209e2ceac985177398574e826380fc78d1f9d439dc0f7784da6d0c5505e16

      • memory/900-74-0x0000000000400000-0x000000000044F000-memory.dmp

        Filesize

        316KB

      • memory/900-71-0x0000000000400000-0x000000000044F000-memory.dmp

        Filesize

        316KB

      • memory/900-67-0x0000000000400000-0x000000000044F000-memory.dmp

        Filesize

        316KB

      • memory/900-72-0x0000000000400000-0x000000000044F000-memory.dmp

        Filesize

        316KB

      • memory/900-69-0x0000000000400000-0x000000000044F000-memory.dmp

        Filesize

        316KB

      • memory/900-82-0x0000000000400000-0x000000000044F000-memory.dmp

        Filesize

        316KB

      • memory/900-79-0x0000000000400000-0x000000000044F000-memory.dmp

        Filesize

        316KB

      • memory/900-64-0x0000000000400000-0x000000000044F000-memory.dmp

        Filesize

        316KB

      • memory/900-65-0x0000000000400000-0x000000000044F000-memory.dmp

        Filesize

        316KB

      • memory/900-78-0x0000000000400000-0x000000000044F000-memory.dmp

        Filesize

        316KB

      • memory/900-75-0x000000000041AD7B-mapping.dmp

      • memory/1392-60-0x0000000000000000-mapping.dmp

      • memory/1540-59-0x0000000000000000-mapping.dmp

      • memory/1540-80-0x000000006EF60000-0x000000006F50B000-memory.dmp

        Filesize

        5.7MB

      • memory/1540-81-0x000000006EF60000-0x000000006F50B000-memory.dmp

        Filesize

        5.7MB

      • memory/2044-58-0x0000000005CE0000-0x0000000005D86000-memory.dmp

        Filesize

        664KB

      • memory/2044-54-0x0000000001300000-0x0000000001406000-memory.dmp

        Filesize

        1.0MB

      • memory/2044-56-0x0000000000300000-0x0000000000318000-memory.dmp

        Filesize

        96KB

      • memory/2044-57-0x00000000002E0000-0x00000000002EC000-memory.dmp

        Filesize

        48KB

      • memory/2044-63-0x0000000004CD0000-0x0000000004D1E000-memory.dmp

        Filesize

        312KB

      • memory/2044-55-0x0000000075F81000-0x0000000075F83000-memory.dmp

        Filesize

        8KB