Analysis

  • max time kernel
    122s
  • max time network
    126s
  • platform
    windows7_x64
  • resource
    win7-20220901-en
  • resource tags

    arch:x64arch:x86image:win7-20220901-enlocale:en-usos:windows7-x64system
  • submitted
    25-10-2022 16:42

General

  • Target

    9c46fdf7827bce482555180c932d47d8.exe

  • Size

    584KB

  • MD5

    9c46fdf7827bce482555180c932d47d8

  • SHA1

    1ae60690cc27ec74be8f4334e0e9fbfd05fdffa0

  • SHA256

    637e17723ea88878915ba42095680ee5438c22a88a4538137b3174dd4e2e8c6a

  • SHA512

    36e6295ebe04db32830646b301c4aff10e1b3365dfe10d8801b15af2a0237c3a16e6b77528ff13fe3f0d0929e20b573bc4466d5d06c441862bd6c72cdb5652c1

  • SSDEEP

    12288:zNZwI+hBtAnzo+YSSwiG5LgpRwMX6HhJ6qnepnU55dTOdQ:zADhBmzovSSm5CK7hekdTOdQ

Malware Config

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.

  • Reads user/profile data of web browsers 2 TTPs

    Infostealers often target stored browser data, which can include saved credentials etc.

  • Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs
  • 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 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 19 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\9c46fdf7827bce482555180c932d47d8.exe
    "C:\Users\Admin\AppData\Local\Temp\9c46fdf7827bce482555180c932d47d8.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:1204
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\NezZmiraIRHJRN.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:1520
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\NezZmiraIRHJRN" /XML "C:\Users\Admin\AppData\Local\Temp\tmpD2BB.tmp"
      2⤵
      • Creates scheduled task(s)
      PID:620
    • C:\Users\Admin\AppData\Local\Temp\9c46fdf7827bce482555180c932d47d8.exe
      "C:\Users\Admin\AppData\Local\Temp\9c46fdf7827bce482555180c932d47d8.exe"
      2⤵
      • Accesses Microsoft Outlook profiles
      • outlook_office_path
      • outlook_win_path
      PID:700

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\tmpD2BB.tmp

    Filesize

    1KB

    MD5

    4f0c3cd5791bac5cde3e296b3e78d443

    SHA1

    d550ae3cffe3b937255d8bb9ef14ff45a891488c

    SHA256

    71c3c59e68c90f3dbee2a307760cb84830fc587f0885e33a1fa14fd86b913339

    SHA512

    b8ed41334e8e77ebbc6fabf9d57b84b7e51aefd4dc57acb398f1ec95bf103d69bf5db31941d236f7f199b14261fb993773c699bce0a5adc6c9fec7e9bc6e8bef

  • memory/620-61-0x0000000000000000-mapping.dmp

  • memory/700-73-0x0000000000400000-0x000000000042B000-memory.dmp

    Filesize

    172KB

  • memory/700-68-0x0000000000400000-0x000000000042B000-memory.dmp

    Filesize

    172KB

  • memory/700-80-0x0000000000400000-0x000000000042B000-memory.dmp

    Filesize

    172KB

  • memory/700-79-0x0000000000400000-0x000000000042B000-memory.dmp

    Filesize

    172KB

  • memory/700-75-0x0000000000400000-0x000000000042B000-memory.dmp

    Filesize

    172KB

  • memory/700-76-0x00000000004026D0-mapping.dmp

  • memory/700-71-0x0000000000400000-0x000000000042B000-memory.dmp

    Filesize

    172KB

  • memory/700-70-0x0000000000400000-0x000000000042B000-memory.dmp

    Filesize

    172KB

  • memory/700-65-0x0000000000400000-0x000000000042B000-memory.dmp

    Filesize

    172KB

  • memory/700-66-0x0000000000400000-0x000000000042B000-memory.dmp

    Filesize

    172KB

  • memory/1204-56-0x00000000045B0000-0x000000000466C000-memory.dmp

    Filesize

    752KB

  • memory/1204-64-0x0000000005E60000-0x0000000005E86000-memory.dmp

    Filesize

    152KB

  • memory/1204-55-0x0000000074DE1000-0x0000000074DE3000-memory.dmp

    Filesize

    8KB

  • memory/1204-54-0x0000000000D40000-0x0000000000DD8000-memory.dmp

    Filesize

    608KB

  • memory/1204-57-0x0000000000A40000-0x0000000000A58000-memory.dmp

    Filesize

    96KB

  • memory/1204-59-0x000000000A3A0000-0x000000000A420000-memory.dmp

    Filesize

    512KB

  • memory/1204-58-0x0000000000AF0000-0x0000000000AFC000-memory.dmp

    Filesize

    48KB

  • memory/1520-60-0x0000000000000000-mapping.dmp

  • memory/1520-81-0x0000000074030000-0x00000000745DB000-memory.dmp

    Filesize

    5.7MB

  • memory/1520-82-0x0000000074030000-0x00000000745DB000-memory.dmp

    Filesize

    5.7MB