Analysis

  • max time kernel
    149s
  • max time network
    153s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    25-12-2024 00:40

General

  • Target

    a86d9bb9ad2b22d6148329d45a59cbc27c7f3a8e65e8997fffda803b16f25fad.exe

  • Size

    261KB

  • MD5

    b11998e748a73de0094e9c8a742225e6

  • SHA1

    d7ec09cd52c1f0e2f6d21dfda48689d51b7a4840

  • SHA256

    a86d9bb9ad2b22d6148329d45a59cbc27c7f3a8e65e8997fffda803b16f25fad

  • SHA512

    210e60c67a5dca1376698e41df5ea7c483b5ca353e767d21405074bade4d44bcbf576ccb9437baba4ce9bc85bec8d963975a69c0286318232e2bc8793b935794

  • SSDEEP

    6144:ZNJfAJdpbgneJK2BPqWOyJAGovjNcjat9w44mZ/M:STFgeE2BbOIrovjm+934U

Malware Config

Extracted

Family

netwire

C2

wealthymachine.ddns.net:39560

Attributes
  • activex_autorun

    false

  • copy_executable

    false

  • delete_original

    false

  • host_id

    sunshineslisa

  • keylogger_dir

    %AppData%\Logs\

  • lock_executable

    false

  • offline_keylogger

    true

  • password

    sucess

  • registry_autorun

    false

  • use_mutex

    false

Signatures

  • NetWire RAT payload 3 IoCs
  • Netwire

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

  • Netwire family
  • Checks computer location settings 2 TTPs 1 IoCs

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

  • Executes dropped EXE 1 IoCs
  • Adds Run key to start application 2 TTPs 1 IoCs
  • Suspicious use of SetThreadContext 1 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Program crash 1 IoCs
  • System Location Discovery: System Language Discovery 1 TTPs 3 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 11 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\a86d9bb9ad2b22d6148329d45a59cbc27c7f3a8e65e8997fffda803b16f25fad.exe
    "C:\Users\Admin\AppData\Local\Temp\a86d9bb9ad2b22d6148329d45a59cbc27c7f3a8e65e8997fffda803b16f25fad.exe"
    1⤵
    • Checks computer location settings
    • Adds Run key to start application
    • System Location Discovery: System Language Discovery
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2564
    • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Templates\Audio.exe
      "C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Templates\Audio.exe"
      2⤵
      • Executes dropped EXE
      • Suspicious use of SetThreadContext
      • System Location Discovery: System Language Discovery
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:3012
      • C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe
        "C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe"
        3⤵
        • System Location Discovery: System Language Discovery
        PID:556
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 556 -s 580
          4⤵
          • Program crash
          PID:5000
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 556 -ip 556
    1⤵
      PID:1576

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Templates\Audio.exe

      Filesize

      261KB

      MD5

      b11998e748a73de0094e9c8a742225e6

      SHA1

      d7ec09cd52c1f0e2f6d21dfda48689d51b7a4840

      SHA256

      a86d9bb9ad2b22d6148329d45a59cbc27c7f3a8e65e8997fffda803b16f25fad

      SHA512

      210e60c67a5dca1376698e41df5ea7c483b5ca353e767d21405074bade4d44bcbf576ccb9437baba4ce9bc85bec8d963975a69c0286318232e2bc8793b935794

    • memory/556-22-0x0000000000400000-0x0000000000420000-memory.dmp

      Filesize

      128KB

    • memory/556-26-0x0000000000400000-0x0000000000420000-memory.dmp

      Filesize

      128KB

    • memory/556-24-0x0000000000400000-0x0000000000420000-memory.dmp

      Filesize

      128KB

    • memory/2564-1-0x00000000750B0000-0x0000000075661000-memory.dmp

      Filesize

      5.7MB

    • memory/2564-2-0x00000000750B0000-0x0000000075661000-memory.dmp

      Filesize

      5.7MB

    • memory/2564-3-0x00000000750B0000-0x0000000075661000-memory.dmp

      Filesize

      5.7MB

    • memory/2564-17-0x00000000750B0000-0x0000000075661000-memory.dmp

      Filesize

      5.7MB

    • memory/2564-0-0x00000000750B2000-0x00000000750B3000-memory.dmp

      Filesize

      4KB

    • memory/3012-16-0x00000000750B0000-0x0000000075661000-memory.dmp

      Filesize

      5.7MB

    • memory/3012-21-0x00000000750B0000-0x0000000075661000-memory.dmp

      Filesize

      5.7MB

    • memory/3012-20-0x00000000750B0000-0x0000000075661000-memory.dmp

      Filesize

      5.7MB

    • memory/3012-19-0x00000000750B0000-0x0000000075661000-memory.dmp

      Filesize

      5.7MB

    • memory/3012-18-0x00000000750B0000-0x0000000075661000-memory.dmp

      Filesize

      5.7MB

    • memory/3012-28-0x00000000750B0000-0x0000000075661000-memory.dmp

      Filesize

      5.7MB