Analysis

  • max time kernel
    150s
  • max time network
    155s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240226-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
  • submitted
    14/03/2024, 11:09

General

  • Target

    c878fef0f8f2c01cd2c12839c89b0a3b.exe

  • Size

    594KB

  • MD5

    c878fef0f8f2c01cd2c12839c89b0a3b

  • SHA1

    d315d7e489b19888937ea249cd30973bcd5e37ac

  • SHA256

    d75c07b0cdf7102b88bf6e613a9e5a93b5646f821761dd8ac93826e1eda8cbed

  • SHA512

    f7e66e83f4eb0f6652d7dd0fadf424df460dbc282c7e377a1ab3b2f65bbb4148341074f3bec5a817e93ba45acb38845b7555e7b581ab33726a3608c3d111970f

  • SSDEEP

    12288:3Jz0TrCqVM8UoAs4fg4xbFs9lLaAgev1pS4aCkFdqri9VWQMkbx/yMFqNfux:RirCkUo8fLBqmze9pS4a7qu9VdMkbIM1

Malware Config

Extracted

Family

netwire

C2

automan.duckdns.org:3382

Attributes
  • activex_autorun

    false

  • copy_executable

    true

  • delete_original

    false

  • host_id

    HostId-%Rand%

  • install_path

    %AppData%\Install\Host.exe

  • keylogger_dir

    %AppData%\Logs\

  • lock_executable

    false

  • mutex

    HDPAYslj

  • offline_keylogger

    true

  • password

    onelove82

  • registry_autorun

    true

  • startup_name

    NetWire

  • use_mutex

    true

Signatures

  • NetWire RAT payload 16 IoCs
  • Netwire

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

  • Checks computer location settings 2 TTPs 1 IoCs

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

  • Executes dropped EXE 2 IoCs
  • UPX packed file 2 IoCs

    Detects executables packed with UPX/modified UPX open source packer.

  • Adds Run key to start application 2 TTPs 1 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Suspicious use of WriteProcessMemory 9 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\c878fef0f8f2c01cd2c12839c89b0a3b.exe
    "C:\Users\Admin\AppData\Local\Temp\c878fef0f8f2c01cd2c12839c89b0a3b.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:3332
    • C:\Windows\SysWOW64\cmd.exe
      C:\Windows\system32\cmd.exe /c test.exe
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:3180
      • C:\Users\Admin\AppData\Local\Temp\test.exe
        test.exe
        3⤵
        • Checks computer location settings
        • Executes dropped EXE
        • Suspicious use of WriteProcessMemory
        PID:880
        • C:\Users\Admin\AppData\Roaming\Install\Host.exe
          "C:\Users\Admin\AppData\Roaming\Install\Host.exe"
          4⤵
          • Executes dropped EXE
          • Adds Run key to start application
          PID:2216

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Temp\test.exe

    Filesize

    127KB

    MD5

    947c706540a4f3083fc09dbbd20aa0d7

    SHA1

    b1add7d17a38b1d0e906ad86f034c6528bb371af

    SHA256

    d5e61bdd7736038993c3762a6a2192b2730a44562bde045fa95ba9e45525bc3c

    SHA512

    df794541bd7fe99058f5de6dd7e4e158a657aae31d00d464718f836a07f6a9af36b073a312586bfa7d4ad672c4fd58c6644b788eeb5fd20496d398383c1d7e23

  • memory/880-13-0x0000000000400000-0x000000000042B000-memory.dmp

    Filesize

    172KB

  • memory/2216-19-0x0000000000400000-0x000000000042B000-memory.dmp

    Filesize

    172KB

  • memory/2216-20-0x0000000000400000-0x000000000042B000-memory.dmp

    Filesize

    172KB

  • memory/2216-15-0x0000000000400000-0x000000000042B000-memory.dmp

    Filesize

    172KB

  • memory/2216-16-0x0000000000400000-0x000000000042B000-memory.dmp

    Filesize

    172KB

  • memory/2216-17-0x0000000000400000-0x000000000042B000-memory.dmp

    Filesize

    172KB

  • memory/2216-18-0x0000000000400000-0x000000000042B000-memory.dmp

    Filesize

    172KB

  • memory/2216-28-0x0000000000400000-0x000000000042B000-memory.dmp

    Filesize

    172KB

  • memory/2216-27-0x0000000000400000-0x000000000042B000-memory.dmp

    Filesize

    172KB

  • memory/2216-21-0x0000000000400000-0x000000000042B000-memory.dmp

    Filesize

    172KB

  • memory/2216-22-0x0000000000400000-0x000000000042B000-memory.dmp

    Filesize

    172KB

  • memory/2216-23-0x0000000000400000-0x000000000042B000-memory.dmp

    Filesize

    172KB

  • memory/2216-24-0x0000000000400000-0x000000000042B000-memory.dmp

    Filesize

    172KB

  • memory/2216-25-0x0000000000400000-0x000000000042B000-memory.dmp

    Filesize

    172KB

  • memory/2216-26-0x0000000000400000-0x000000000042B000-memory.dmp

    Filesize

    172KB

  • memory/3332-14-0x0000000000400000-0x000000000055C000-memory.dmp

    Filesize

    1.4MB

  • memory/3332-0-0x0000000000400000-0x000000000055C000-memory.dmp

    Filesize

    1.4MB