Analysis

  • max time kernel
    141s
  • max time network
    148s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20231222-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20231222-enlocale:en-usos:windows10-2004-x64system
  • submitted
    02/02/2024, 11:31

General

  • Target
    8965dfcadd304941c740be5507f125d8.exe
  • Size 223KB
  • Sample240202-nmyqasfabl
  • SHA256 668aaf0cba4aca7fd31a4782797d6a5cd2e26a0b9d0c0b51d8f009e867daf660
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Extracted

Family
  • netwire

C2
  • uploadp3p.publicvm.com:3373

  • myonlinehost.ddns.net:3373

Attributes
  • activex_autorun

    false

  • copy_executable

    true

  • delete_original

    false

  • host_id

    Socks-%Rand%

  • install_path

    %AppData%\Install\svvHost.exe

  • keylogger_dir

    %AppData%\Logs\

  • lock_executable

    false

  • mutex

    wBEKeAsQ

  • offline_keylogger

    true

  • password

    Password

  • registry_autorun

    false

  • use_mutex

    true

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.

  • Executes dropped EXE 1 IoCs
  • Program crash 2 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\8965dfcadd304941c740be5507f125d8.exe
    "C:\Users\Admin\AppData\Local\Temp\8965dfcadd304941c740be5507f125d8.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:4972
    • C:\Users\Admin\AppData\Roaming\Install\svvHost.exe
      "C:\Users\Admin\AppData\Roaming\Install\svvHost.exe"
      2⤵
      • Executes dropped EXE
      PID:4048
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 4972 -s 488
      2⤵
      • Program crash
      PID:3976
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 4972 -s 484
      2⤵
      • Program crash
      PID:1692
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 176 -p 4972 -ip 4972
    1⤵
      PID:2064
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 532 -p 4972 -ip 4972
      1⤵
        PID:8

      Network

            MITRE ATT&CK Matrix

            Replay Monitor

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            Downloads

            svvHost.exe

            • Path C:\Users\Admin\AppData\Roaming\Install\svvHost.exe
            • Size 223KB
            • SHA256 668aaf0cba4aca7fd31a4782797d6a5cd2e26a0b9d0c0b51d8f009e867daf660
            • MD5 SHA1 SHA512 SSDEEP

            memory/4048-13-0x0000000000400000-0x00000000004AA000-memory.dmp

            memory/4048-12-0x0000000000530000-0x0000000000548000-memory.dmp

            memory/4048-11-0x00000000005E0000-0x00000000006E0000-memory.dmp

            memory/4048-15-0x0000000000400000-0x00000000004AA000-memory.dmp

            memory/4048-16-0x0000000000400000-0x00000000004AA000-memory.dmp

            memory/4048-17-0x00000000005E0000-0x00000000006E0000-memory.dmp

            memory/4972-1-0x0000000000570000-0x0000000000670000-memory.dmp

            memory/4972-2-0x00000000021F0000-0x0000000002208000-memory.dmp

            memory/4972-4-0x0000000000400000-0x00000000004AA000-memory.dmp