Analysis

  • max time kernel
    137s
  • max time network
    141s
  • platform
    windows7_x64
  • resource
    win7-20220812-en
  • resource tags

    arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
  • submitted
    14-11-2022 15:32

General

  • Target

    FACTURA09473773.exe

  • Size

    869KB

  • MD5

    765188ba741378b933fe5031593c3237

  • SHA1

    0e9bcebaba138d15f24de1129cc8799905a5b16c

  • SHA256

    481f3d87a7521d78973241b978e076e2a19beacd54a2307d444f760e47f5589e

  • SHA512

    a3b45caf7ac994740f919ed7eda0e596dcbd20ce991e9c159201124f63b3db8181019806f5daa0b5decce6e093613c6145cb4b1b97b0fbefc243c16346f481a3

  • SSDEEP

    24576:l1CFvW+Sg3pOVI+jODkjxKgr83io3F93:lYFua3iI+6Ijsgr8SoV9

Malware Config

Extracted

Family

netwire

C2

podzeye2.duckdns.org:4433

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 7 IoCs
  • Netwire

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

  • Uses the VBS compiler for execution 1 TTPs
  • 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\FACTURA09473773.exe
    "C:\Users\Admin\AppData\Local\Temp\FACTURA09473773.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1460
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\pyrkZKyvPtKPQ.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:1204
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\pyrkZKyvPtKPQ" /XML "C:\Users\Admin\AppData\Local\Temp\tmpCA14.tmp"
      2⤵
      • Creates scheduled task(s)
      PID:1404
    • C:\Windows\Microsoft.NET\Framework\v4.0.30319\vbc.exe
      "C:\Windows\Microsoft.NET\Framework\v4.0.30319\vbc.exe"
      2⤵
        PID:1508
      • C:\Windows\Microsoft.NET\Framework\v4.0.30319\vbc.exe
        "C:\Windows\Microsoft.NET\Framework\v4.0.30319\vbc.exe"
        2⤵
          PID:2032

      Network

      MITRE ATT&CK Enterprise v6

      Replay Monitor

      Loading Replay Monitor...

      Downloads

      • C:\Users\Admin\AppData\Local\Temp\tmpCA14.tmp

        Filesize

        1KB

        MD5

        01d65d37f02827bc45a00856cdc5f770

        SHA1

        d9d1c48ab4d905771f4cba81a14488b4c6ae2b68

        SHA256

        0c089ddb5b105fbc5af08afc7440df5799804e8a3a098aef8848a0d93508de3f

        SHA512

        feee23fd20a520c8a90b3d72b85871a0597e26c58a26ca7169f9e737b8097ba43fd942463e1a14d6d9a2d0967fb43a366b80786c5708677f242a10ef6adfb774

      • memory/1204-79-0x000000006EF30000-0x000000006F4DB000-memory.dmp

        Filesize

        5.7MB

      • memory/1204-59-0x0000000000000000-mapping.dmp

      • memory/1204-81-0x000000006EF30000-0x000000006F4DB000-memory.dmp

        Filesize

        5.7MB

      • memory/1404-60-0x0000000000000000-mapping.dmp

      • memory/1460-55-0x0000000075831000-0x0000000075833000-memory.dmp

        Filesize

        8KB

      • memory/1460-56-0x0000000000600000-0x0000000000618000-memory.dmp

        Filesize

        96KB

      • memory/1460-57-0x0000000000460000-0x000000000046C000-memory.dmp

        Filesize

        48KB

      • memory/1460-58-0x0000000005400000-0x0000000005486000-memory.dmp

        Filesize

        536KB

      • memory/1460-63-0x0000000004C50000-0x0000000004C9C000-memory.dmp

        Filesize

        304KB

      • memory/1460-54-0x0000000000A20000-0x0000000000AFE000-memory.dmp

        Filesize

        888KB

      • memory/2032-64-0x0000000000400000-0x0000000000450000-memory.dmp

        Filesize

        320KB

      • memory/2032-69-0x0000000000400000-0x0000000000450000-memory.dmp

        Filesize

        320KB

      • memory/2032-72-0x0000000000400000-0x0000000000450000-memory.dmp

        Filesize

        320KB

      • memory/2032-71-0x0000000000400000-0x0000000000450000-memory.dmp

        Filesize

        320KB

      • memory/2032-74-0x0000000000400000-0x0000000000450000-memory.dmp

        Filesize

        320KB

      • memory/2032-75-0x000000000041AE7B-mapping.dmp

      • memory/2032-78-0x0000000000400000-0x0000000000450000-memory.dmp

        Filesize

        320KB

      • memory/2032-67-0x0000000000400000-0x0000000000450000-memory.dmp

        Filesize

        320KB

      • memory/2032-80-0x0000000000400000-0x0000000000450000-memory.dmp

        Filesize

        320KB

      • memory/2032-65-0x0000000000400000-0x0000000000450000-memory.dmp

        Filesize

        320KB