Analysis

  • max time kernel
    117s
  • max time network
    117s
  • platform
    windows7_x64
  • resource
    win7-20240215-en
  • resource tags

    arch:x64arch:x86image:win7-20240215-enlocale:en-usos:windows7-x64system
  • submitted
    08/03/2024, 09:32

General

  • Target

    knr.exe

  • Size

    2.3MB

  • MD5

    cc28e40b46237ab6d5282199ef78c464

  • SHA1

    0d5c820002cf93384016bd4a2628dcc5101211f4

  • SHA256

    749e161661290e8a2d190b1a66469744127bc25bf46e5d0c6f2e835f4b92db18

  • SHA512

    44b689ec760068e505ff4d7d708cb9653bbd1c9cdaac387f76af2bdef99349edd5ac9443125d29938bc77a5a889442c8e99091c5116599ec6f68495f962b5044

  • SSDEEP

    49152:HxZKeQAhGOzL0AreYOvAw0nH63BJZoo7IdjU/rVIiP80XfM6Y7:CeQAhGOzJrGvAw0nHoBJZooP/rVIiPvE

Malware Config

Extracted

Family

netwire

C2

dunlop.hopto.org:2032

Attributes
  • activex_autorun

    false

  • copy_executable

    true

  • delete_original

    false

  • host_id

    tng

  • install_path

    %AppData%\tng\tng.exe

  • keylogger_dir

    %AppData%\tgn\

  • lock_executable

    true

  • mutex

    bmnxcvbT

  • offline_keylogger

    true

  • password

    Password

  • registry_autorun

    true

  • startup_name

    tng

  • use_mutex

    true

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.

  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 1 IoCs
  • Adds Run key to start application 2 TTPs 1 IoCs
  • Suspicious use of WriteProcessMemory 4 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\knr.exe
    "C:\Users\Admin\AppData\Local\Temp\knr.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious use of WriteProcessMemory
    PID:2972
    • C:\Users\Admin\AppData\Roaming\tng\tng.exe
      "C:\Users\Admin\AppData\Roaming\tng\tng.exe"
      2⤵
      • Executes dropped EXE
      • Adds Run key to start application
      PID:852

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • \Users\Admin\AppData\Roaming\tng\tng.exe

    Filesize

    2.3MB

    MD5

    cc28e40b46237ab6d5282199ef78c464

    SHA1

    0d5c820002cf93384016bd4a2628dcc5101211f4

    SHA256

    749e161661290e8a2d190b1a66469744127bc25bf46e5d0c6f2e835f4b92db18

    SHA512

    44b689ec760068e505ff4d7d708cb9653bbd1c9cdaac387f76af2bdef99349edd5ac9443125d29938bc77a5a889442c8e99091c5116599ec6f68495f962b5044

  • memory/852-9-0x0000000000400000-0x000000000065A000-memory.dmp

    Filesize

    2.4MB

  • memory/852-10-0x0000000000280000-0x00000000002AC000-memory.dmp

    Filesize

    176KB

  • memory/2972-0-0x0000000000400000-0x000000000065A000-memory.dmp

    Filesize

    2.4MB

  • memory/2972-1-0x00000000002F0000-0x0000000000312000-memory.dmp

    Filesize

    136KB

  • memory/2972-3-0x00000000003A0000-0x00000000003CC000-memory.dmp

    Filesize

    176KB

  • memory/2972-8-0x0000000000400000-0x000000000065A000-memory.dmp

    Filesize

    2.4MB