Analysis

  • max time kernel
    116s
  • max time network
    44s
  • platform
    windows7_x64
  • resource
    win7-20220414-en
  • submitted
    01-07-2022 03:53

General

  • Target

    ff0b1d9f2221e78773cfed9e89f87eab3add2c872f44f7f8cd10e18e2e0e8465.exe

  • Size

    632KB

  • MD5

    29b89507364a0868ff24aa52e9f9a30f

  • SHA1

    a33e07b0f35d1fa69c732b8ef03fbd045c1d443d

  • SHA256

    ff0b1d9f2221e78773cfed9e89f87eab3add2c872f44f7f8cd10e18e2e0e8465

  • SHA512

    c7c4e572fbeaa3e10c9f5754b94e56efbcbcad5f6aa2b144e8b8a12d5fd3f43e16465f0b771c39e5d94167ae95416a2a5ebaa1a1b0329c3a7ba652fb13f34611

Malware Config

Extracted

Family

netwire

C2

missserver1000.hopto.org:8309

Attributes
  • activex_autorun

    true

  • activex_key

    {07Y11VWU-UPYY-ATCE-P44Q-I8QQU17V03VB}

  • 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

    true

  • startup_name

    windows

  • use_mutex

    false

Signatures

  • NetWire RAT payload 5 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
  • Modifies Installed Components in the registry 2 TTPs 2 IoCs
  • Loads dropped DLL 2 IoCs
  • Adds Run key to start application 2 TTPs 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\ff0b1d9f2221e78773cfed9e89f87eab3add2c872f44f7f8cd10e18e2e0e8465.exe
    "C:\Users\Admin\AppData\Local\Temp\ff0b1d9f2221e78773cfed9e89f87eab3add2c872f44f7f8cd10e18e2e0e8465.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:1756
    • C:\Users\Admin\AppData\Local\Temp\ff0b1d9f2221e78773cfed9e89f87eab3add2c872f44f7f8cd10e18e2e0e8465.exe
      C:\Users\Admin\AppData\Local\Temp\ff0b1d9f2221e78773cfed9e89f87eab3add2c872f44f7f8cd10e18e2e0e8465.exe"
      2⤵
      • Loads dropped DLL
      • Suspicious use of WriteProcessMemory
      PID:1352
      • 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:1204
        • C:\Users\Admin\AppData\Roaming\Install\Host.exe
          C:\Users\Admin\AppData\Roaming\Install\Host.exe"
          4⤵
          • Executes dropped EXE
          • Modifies Installed Components in the registry
          • Adds Run key to start application
          PID:1956

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

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

    Filesize

    632KB

    MD5

    29b89507364a0868ff24aa52e9f9a30f

    SHA1

    a33e07b0f35d1fa69c732b8ef03fbd045c1d443d

    SHA256

    ff0b1d9f2221e78773cfed9e89f87eab3add2c872f44f7f8cd10e18e2e0e8465

    SHA512

    c7c4e572fbeaa3e10c9f5754b94e56efbcbcad5f6aa2b144e8b8a12d5fd3f43e16465f0b771c39e5d94167ae95416a2a5ebaa1a1b0329c3a7ba652fb13f34611

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

    Filesize

    632KB

    MD5

    29b89507364a0868ff24aa52e9f9a30f

    SHA1

    a33e07b0f35d1fa69c732b8ef03fbd045c1d443d

    SHA256

    ff0b1d9f2221e78773cfed9e89f87eab3add2c872f44f7f8cd10e18e2e0e8465

    SHA512

    c7c4e572fbeaa3e10c9f5754b94e56efbcbcad5f6aa2b144e8b8a12d5fd3f43e16465f0b771c39e5d94167ae95416a2a5ebaa1a1b0329c3a7ba652fb13f34611

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

    Filesize

    632KB

    MD5

    29b89507364a0868ff24aa52e9f9a30f

    SHA1

    a33e07b0f35d1fa69c732b8ef03fbd045c1d443d

    SHA256

    ff0b1d9f2221e78773cfed9e89f87eab3add2c872f44f7f8cd10e18e2e0e8465

    SHA512

    c7c4e572fbeaa3e10c9f5754b94e56efbcbcad5f6aa2b144e8b8a12d5fd3f43e16465f0b771c39e5d94167ae95416a2a5ebaa1a1b0329c3a7ba652fb13f34611

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

    Filesize

    632KB

    MD5

    29b89507364a0868ff24aa52e9f9a30f

    SHA1

    a33e07b0f35d1fa69c732b8ef03fbd045c1d443d

    SHA256

    ff0b1d9f2221e78773cfed9e89f87eab3add2c872f44f7f8cd10e18e2e0e8465

    SHA512

    c7c4e572fbeaa3e10c9f5754b94e56efbcbcad5f6aa2b144e8b8a12d5fd3f43e16465f0b771c39e5d94167ae95416a2a5ebaa1a1b0329c3a7ba652fb13f34611

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

    Filesize

    632KB

    MD5

    29b89507364a0868ff24aa52e9f9a30f

    SHA1

    a33e07b0f35d1fa69c732b8ef03fbd045c1d443d

    SHA256

    ff0b1d9f2221e78773cfed9e89f87eab3add2c872f44f7f8cd10e18e2e0e8465

    SHA512

    c7c4e572fbeaa3e10c9f5754b94e56efbcbcad5f6aa2b144e8b8a12d5fd3f43e16465f0b771c39e5d94167ae95416a2a5ebaa1a1b0329c3a7ba652fb13f34611

  • memory/1204-85-0x00000000773C0000-0x0000000077540000-memory.dmp

    Filesize

    1.5MB

  • memory/1204-84-0x00000000771E0000-0x0000000077389000-memory.dmp

    Filesize

    1.7MB

  • memory/1204-83-0x00000000002F0000-0x00000000002F7000-memory.dmp

    Filesize

    28KB

  • memory/1204-72-0x0000000000000000-mapping.dmp

  • memory/1352-63-0x0000000000400000-0x00000000004A4000-memory.dmp

    Filesize

    656KB

  • memory/1352-58-0x00000000004040BE-mapping.dmp

  • memory/1352-73-0x0000000000220000-0x0000000000227000-memory.dmp

    Filesize

    28KB

  • memory/1352-75-0x00000000771E0000-0x0000000077389000-memory.dmp

    Filesize

    1.7MB

  • memory/1352-64-0x0000000000400000-0x000000000042C000-memory.dmp

    Filesize

    176KB

  • memory/1352-78-0x00000000773C0000-0x0000000077540000-memory.dmp

    Filesize

    1.5MB

  • memory/1756-61-0x00000000773C0000-0x0000000077540000-memory.dmp

    Filesize

    1.5MB

  • memory/1756-60-0x00000000771E0000-0x0000000077389000-memory.dmp

    Filesize

    1.7MB

  • memory/1756-59-0x0000000001DB0000-0x0000000001DB7000-memory.dmp

    Filesize

    28KB

  • memory/1756-56-0x0000000001DB0000-0x0000000001DB7000-memory.dmp

    Filesize

    28KB

  • memory/1756-57-0x0000000075E51000-0x0000000075E53000-memory.dmp

    Filesize

    8KB

  • memory/1756-86-0x00000000773C0000-0x0000000077540000-memory.dmp

    Filesize

    1.5MB

  • memory/1956-81-0x00000000004040BE-mapping.dmp

  • memory/1956-88-0x0000000000400000-0x00000000004A4000-memory.dmp

    Filesize

    656KB

  • memory/1956-89-0x0000000000400000-0x000000000042C000-memory.dmp

    Filesize

    176KB

  • memory/1956-95-0x00000000771E0000-0x0000000077389000-memory.dmp

    Filesize

    1.7MB

  • memory/1956-96-0x00000000773C0000-0x0000000077540000-memory.dmp

    Filesize

    1.5MB