Analysis

  • max time kernel
    150s
  • max time network
    147s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20250314-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20250314-enlocale:en-usos:windows10-2004-x64system
  • submitted
    27/03/2025, 00:13

General

  • Target

    BBVA_CONTINENTAL.exe

  • Size

    475KB

  • MD5

    c621bbe4050616a3e086eff0003c0739

  • SHA1

    5527d8ab10c04aea8d149d9056199895b7d79d0e

  • SHA256

    de7a446a8d4bd4c53ba8ac5b909252692e79b27cd9e7abb6396e62e22274b3b4

  • SHA512

    1fc11eaab31db24b848d11097ff9abd1cd3603f34db875dc45328f21ac1a12f6e32da271600035639e8b41e4c6ba6d21bb0fbeeec3d5d3cc70c4a3c6c33bec00

  • SSDEEP

    12288:talGzgvpec7Cmv1BdWw/2xv3GdfzF4yFv:6TAc+PwexedfjFv

Malware Config

Extracted

Family

netwire

C2

43.226.229.43:2030

Attributes
  • activex_autorun

    false

  • copy_executable

    true

  • delete_original

    false

  • host_id

    Omega

  • install_path

    %AppData%\Install\Host.exe

  • keylogger_dir

    %AppData%\Logs\

  • lock_executable

    false

  • offline_keylogger

    true

  • password

    Password

  • registry_autorun

    true

  • startup_name

    NetWire

  • use_mutex

    false

Signatures

  • NetWire RAT payload 6 IoCs
  • Netwire

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

  • Netwire family
  • Checks computer location settings 2 TTPs 1 IoCs

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

  • Executes dropped EXE 3 IoCs
  • Adds Run key to start application 2 TTPs 2 IoCs
  • Suspicious use of SetThreadContext 3 IoCs
  • UPX packed file 11 IoCs

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

  • Enumerates physical storage devices 1 TTPs

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

  • System Location Discovery: System Language Discovery 1 TTPs 9 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Modifies registry class 12 IoCs
  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious behavior: MapViewOfSection 3 IoCs
  • Suspicious use of WriteProcessMemory 24 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\BBVA_CONTINENTAL.exe
    "C:\Users\Admin\AppData\Local\Temp\BBVA_CONTINENTAL.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Modifies registry class
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious behavior: MapViewOfSection
    • Suspicious use of WriteProcessMemory
    PID:2400
    • C:\Users\Admin\AppData\Local\Temp\BBVA_CONTINENTAL.exe
      "C:\Users\Admin\AppData\Local\Temp\BBVA_CONTINENTAL.exe"
      2⤵
      • Checks computer location settings
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:5748
      • C:\Users\Admin\AppData\Roaming\Install\Host.exe
        "C:\Users\Admin\AppData\Roaming\Install\Host.exe"
        3⤵
        • Executes dropped EXE
        • Suspicious use of SetThreadContext
        • System Location Discovery: System Language Discovery
        • Modifies registry class
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious behavior: MapViewOfSection
        • Suspicious use of WriteProcessMemory
        PID:5084
        • 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
          • System Location Discovery: System Language Discovery
          PID:2272
        • C:\Users\Admin\AppData\Roaming\Install\Host.exe
          "C:\Users\Admin\AppData\Roaming\Install\Host.exe" 2 2272 240617968
          4⤵
          • Executes dropped EXE
          • System Location Discovery: System Language Discovery
          • Modifies registry class
          • Suspicious behavior: EnumeratesProcesses
          PID:4664
    • C:\Users\Admin\AppData\Local\Temp\BBVA_CONTINENTAL.exe
      "C:\Users\Admin\AppData\Local\Temp\BBVA_CONTINENTAL.exe" 2 5748 240617453
      2⤵
      • System Location Discovery: System Language Discovery
      • Modifies registry class
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of WriteProcessMemory
      PID:5296
      • C:\Users\Admin\AppData\Local\Temp\BBVA_CONTINENTAL.exe
        "C:\Users\Admin\AppData\Local\Temp\BBVA_CONTINENTAL.exe"
        3⤵
        • Suspicious use of SetThreadContext
        • System Location Discovery: System Language Discovery
        • Modifies registry class
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious behavior: MapViewOfSection
        • Suspicious use of WriteProcessMemory
        PID:5476
        • C:\Users\Admin\AppData\Local\Temp\BBVA_CONTINENTAL.exe
          "C:\Users\Admin\AppData\Local\Temp\BBVA_CONTINENTAL.exe"
          4⤵
          • Adds Run key to start application
          • System Location Discovery: System Language Discovery
          PID:4692
        • C:\Users\Admin\AppData\Local\Temp\BBVA_CONTINENTAL.exe
          "C:\Users\Admin\AppData\Local\Temp\BBVA_CONTINENTAL.exe" 2 4692 240618390
          4⤵
          • System Location Discovery: System Language Discovery
          • Modifies registry class
          • Suspicious behavior: EnumeratesProcesses
          PID:4716

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

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

    Filesize

    475KB

    MD5

    c621bbe4050616a3e086eff0003c0739

    SHA1

    5527d8ab10c04aea8d149d9056199895b7d79d0e

    SHA256

    de7a446a8d4bd4c53ba8ac5b909252692e79b27cd9e7abb6396e62e22274b3b4

    SHA512

    1fc11eaab31db24b848d11097ff9abd1cd3603f34db875dc45328f21ac1a12f6e32da271600035639e8b41e4c6ba6d21bb0fbeeec3d5d3cc70c4a3c6c33bec00

  • memory/2272-49-0x0000000000400000-0x0000000000433000-memory.dmp

    Filesize

    204KB

  • memory/2272-32-0x0000000000400000-0x0000000000433000-memory.dmp

    Filesize

    204KB

  • memory/2400-12-0x0000000000400000-0x0000000000511000-memory.dmp

    Filesize

    1.1MB

  • memory/2400-4-0x0000000004820000-0x0000000004821000-memory.dmp

    Filesize

    4KB

  • memory/2400-2-0x00000000047F0000-0x0000000004802000-memory.dmp

    Filesize

    72KB

  • memory/2400-3-0x00000000047F0000-0x0000000004802000-memory.dmp

    Filesize

    72KB

  • memory/2400-0-0x0000000000400000-0x0000000000511000-memory.dmp

    Filesize

    1.1MB

  • memory/2400-1-0x0000000000710000-0x0000000000711000-memory.dmp

    Filesize

    4KB

  • memory/4664-48-0x0000000000400000-0x0000000000511000-memory.dmp

    Filesize

    1.1MB

  • memory/4664-35-0x0000000000400000-0x0000000000511000-memory.dmp

    Filesize

    1.1MB

  • memory/4692-51-0x0000000000400000-0x0000000000433000-memory.dmp

    Filesize

    204KB

  • memory/4716-53-0x0000000000400000-0x0000000000511000-memory.dmp

    Filesize

    1.1MB

  • memory/5084-37-0x0000000000400000-0x0000000000511000-memory.dmp

    Filesize

    1.1MB

  • memory/5296-33-0x0000000000400000-0x0000000000511000-memory.dmp

    Filesize

    1.1MB

  • memory/5296-10-0x0000000000400000-0x0000000000511000-memory.dmp

    Filesize

    1.1MB

  • memory/5476-26-0x0000000000400000-0x0000000000511000-memory.dmp

    Filesize

    1.1MB

  • memory/5476-45-0x0000000000400000-0x0000000000511000-memory.dmp

    Filesize

    1.1MB

  • memory/5748-9-0x0000000000400000-0x0000000000433000-memory.dmp

    Filesize

    204KB

  • memory/5748-7-0x0000000000400000-0x0000000000433000-memory.dmp

    Filesize

    204KB

  • memory/5748-5-0x0000000000400000-0x0000000000433000-memory.dmp

    Filesize

    204KB