Analysis

  • max time kernel
    123s
  • max time network
    131s
  • platform
    windows7_x64
  • resource
    win7-20220718-en
  • resource tags

    arch:x64arch:x86image:win7-20220718-enlocale:en-usos:windows7-x64system
  • submitted
    20-07-2022 02:07

General

  • Target

    4f6b90f9d4b48278766883d445a0e5f8e6ac7b26c89e4788d89ff0a651e89a3e.exe

  • Size

    516KB

  • MD5

    a746793b906c5355212819c537d95d4a

  • SHA1

    b15cb2d0cb40f036f687fdabddeb54cd31c112e4

  • SHA256

    4f6b90f9d4b48278766883d445a0e5f8e6ac7b26c89e4788d89ff0a651e89a3e

  • SHA512

    0df708298b080413d39737686b89233d2c21262bbce001884cbf0f4dcd449931d1635f70e5c188c14e49ec687c59a3337d7916ee5cd76617b225e39d975a515f

Malware Config

Extracted

Family

netwire

C2

185.165.153.135:9539

Attributes
  • activex_autorun

    false

  • copy_executable

    true

  • delete_original

    false

  • host_id

    HostId-%Rand%

  • install_path

    %AppData%\Install\Host.exe

  • lock_executable

    false

  • offline_keylogger

    false

  • password

    Password

  • registry_autorun

    false

  • use_mutex

    false

Signatures

  • NetWire RAT payload 4 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 2 IoCs
  • Loads dropped DLL 2 IoCs
  • Suspicious use of SetThreadContext 2 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 12 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\4f6b90f9d4b48278766883d445a0e5f8e6ac7b26c89e4788d89ff0a651e89a3e.exe
    "C:\Users\Admin\AppData\Local\Temp\4f6b90f9d4b48278766883d445a0e5f8e6ac7b26c89e4788d89ff0a651e89a3e.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:1644
    • C:\Users\Admin\AppData\Local\Temp\4f6b90f9d4b48278766883d445a0e5f8e6ac7b26c89e4788d89ff0a651e89a3e.exe
      C:\Users\Admin\AppData\Local\Temp\4f6b90f9d4b48278766883d445a0e5f8e6ac7b26c89e4788d89ff0a651e89a3e.exe"
      2⤵
      • Loads dropped DLL
      • Suspicious use of WriteProcessMemory
      PID:832
      • C:\Users\Admin\AppData\Roaming\Install\Host.exe
        "C:\Users\Admin\AppData\Roaming\Install\Host.exe"
        3⤵
        • Executes dropped EXE
        • Suspicious use of SetThreadContext
        • Suspicious use of SetWindowsHookEx
        • Suspicious use of WriteProcessMemory
        PID:1096
        • C:\Users\Admin\AppData\Roaming\Install\Host.exe
          C:\Users\Admin\AppData\Roaming\Install\Host.exe"
          4⤵
          • Executes dropped EXE
          PID:772

Network

MITRE ATT&CK Matrix

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Roaming\Install\Host.exe

    Filesize

    516KB

    MD5

    a746793b906c5355212819c537d95d4a

    SHA1

    b15cb2d0cb40f036f687fdabddeb54cd31c112e4

    SHA256

    4f6b90f9d4b48278766883d445a0e5f8e6ac7b26c89e4788d89ff0a651e89a3e

    SHA512

    0df708298b080413d39737686b89233d2c21262bbce001884cbf0f4dcd449931d1635f70e5c188c14e49ec687c59a3337d7916ee5cd76617b225e39d975a515f

  • C:\Users\Admin\AppData\Roaming\Install\Host.exe

    Filesize

    516KB

    MD5

    a746793b906c5355212819c537d95d4a

    SHA1

    b15cb2d0cb40f036f687fdabddeb54cd31c112e4

    SHA256

    4f6b90f9d4b48278766883d445a0e5f8e6ac7b26c89e4788d89ff0a651e89a3e

    SHA512

    0df708298b080413d39737686b89233d2c21262bbce001884cbf0f4dcd449931d1635f70e5c188c14e49ec687c59a3337d7916ee5cd76617b225e39d975a515f

  • C:\Users\Admin\AppData\Roaming\Install\Host.exe

    Filesize

    516KB

    MD5

    a746793b906c5355212819c537d95d4a

    SHA1

    b15cb2d0cb40f036f687fdabddeb54cd31c112e4

    SHA256

    4f6b90f9d4b48278766883d445a0e5f8e6ac7b26c89e4788d89ff0a651e89a3e

    SHA512

    0df708298b080413d39737686b89233d2c21262bbce001884cbf0f4dcd449931d1635f70e5c188c14e49ec687c59a3337d7916ee5cd76617b225e39d975a515f

  • \Users\Admin\AppData\Roaming\Install\Host.exe

    Filesize

    516KB

    MD5

    a746793b906c5355212819c537d95d4a

    SHA1

    b15cb2d0cb40f036f687fdabddeb54cd31c112e4

    SHA256

    4f6b90f9d4b48278766883d445a0e5f8e6ac7b26c89e4788d89ff0a651e89a3e

    SHA512

    0df708298b080413d39737686b89233d2c21262bbce001884cbf0f4dcd449931d1635f70e5c188c14e49ec687c59a3337d7916ee5cd76617b225e39d975a515f

  • \Users\Admin\AppData\Roaming\Install\Host.exe

    Filesize

    516KB

    MD5

    a746793b906c5355212819c537d95d4a

    SHA1

    b15cb2d0cb40f036f687fdabddeb54cd31c112e4

    SHA256

    4f6b90f9d4b48278766883d445a0e5f8e6ac7b26c89e4788d89ff0a651e89a3e

    SHA512

    0df708298b080413d39737686b89233d2c21262bbce001884cbf0f4dcd449931d1635f70e5c188c14e49ec687c59a3337d7916ee5cd76617b225e39d975a515f

  • memory/772-96-0x0000000000220000-0x0000000000227000-memory.dmp

    Filesize

    28KB

  • memory/772-95-0x0000000077DD0000-0x0000000077F50000-memory.dmp

    Filesize

    1.5MB

  • memory/772-94-0x0000000077BF0000-0x0000000077D99000-memory.dmp

    Filesize

    1.7MB

  • memory/772-88-0x0000000000400000-0x000000000042C000-memory.dmp

    Filesize

    176KB

  • memory/772-87-0x0000000000400000-0x0000000000482000-memory.dmp

    Filesize

    520KB

  • memory/772-81-0x000000000046D030-mapping.dmp

  • memory/832-63-0x0000000000400000-0x0000000000482000-memory.dmp

    Filesize

    520KB

  • memory/832-74-0x00000000003A0000-0x00000000003A7000-memory.dmp

    Filesize

    28KB

  • memory/832-76-0x0000000077BF0000-0x0000000077D99000-memory.dmp

    Filesize

    1.7MB

  • memory/832-78-0x0000000077DD0000-0x0000000077F50000-memory.dmp

    Filesize

    1.5MB

  • memory/832-58-0x000000000046D030-mapping.dmp

  • memory/832-64-0x0000000000400000-0x000000000042C000-memory.dmp

    Filesize

    176KB

  • memory/1096-83-0x00000000002C0000-0x00000000002C7000-memory.dmp

    Filesize

    28KB

  • memory/1096-84-0x0000000077BF0000-0x0000000077D99000-memory.dmp

    Filesize

    1.7MB

  • memory/1096-85-0x0000000077DD0000-0x0000000077F50000-memory.dmp

    Filesize

    1.5MB

  • memory/1096-72-0x0000000000000000-mapping.dmp

  • memory/1644-56-0x00000000002F0000-0x00000000002F7000-memory.dmp

    Filesize

    28KB

  • memory/1644-61-0x0000000077DD0000-0x0000000077F50000-memory.dmp

    Filesize

    1.5MB

  • memory/1644-60-0x0000000077BF0000-0x0000000077D99000-memory.dmp

    Filesize

    1.7MB

  • memory/1644-59-0x00000000002F0000-0x00000000002F7000-memory.dmp

    Filesize

    28KB

  • memory/1644-57-0x00000000762D1000-0x00000000762D3000-memory.dmp

    Filesize

    8KB