Analysis

  • max time kernel
    141s
  • max time network
    146s
  • platform
    windows7_x64
  • resource
    win7-20220414-en
  • submitted
    12-07-2022 14:39

General

  • Target

    4a157f302bd6afd4079720dbc7028a8caae9b2d2b192ee4f4a6915dec94cd5af.exe

  • Size

    648KB

  • MD5

    7c958c25fd6e816da044bcd23f37940a

  • SHA1

    e95cf0c3d58448cf0e9ff8b53ca6ecff10a81246

  • SHA256

    4a157f302bd6afd4079720dbc7028a8caae9b2d2b192ee4f4a6915dec94cd5af

  • SHA512

    08f22b747697c3060f14834c321203c7eacdbe1f053dbe3044a3810a030ba9da26746b64d3ed956741fa5465c868b0d00d692c89a2538d038d973fb43a072724

Malware Config

Extracted

Family

netwire

C2

ggggg.ddns.net:3360

boow.ddns.net:3360

Attributes
  • activex_autorun

    false

  • copy_executable

    true

  • delete_original

    true

  • host_id

    HostId-%Rand%

  • install_path

    %AppData%\Install\Host.exe

  • keylogger_dir

    %AppData%\Logs\

  • lock_executable

    true

  • mutex

    OnVjhkkv

  • offline_keylogger

    true

  • password

    Password

  • registry_autorun

    true

  • startup_name

    NetWire

  • use_mutex

    true

Signatures

  • NetWire RAT payload 8 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
  • Deletes itself 1 IoCs
  • Loads dropped DLL 2 IoCs
  • Adds Run key to start application 2 TTPs 2 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 40 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\4a157f302bd6afd4079720dbc7028a8caae9b2d2b192ee4f4a6915dec94cd5af.exe
    "C:\Users\Admin\AppData\Local\Temp\4a157f302bd6afd4079720dbc7028a8caae9b2d2b192ee4f4a6915dec94cd5af.exe"
    1⤵
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:1580
    • C:\Users\Admin\AppData\Local\Temp\4a157f302bd6afd4079720dbc7028a8caae9b2d2b192ee4f4a6915dec94cd5af.exe
      "C:\Users\Admin\AppData\Local\Temp\4a157f302bd6afd4079720dbc7028a8caae9b2d2b192ee4f4a6915dec94cd5af.exe"
      2⤵
      • Loads dropped DLL
      • Suspicious use of WriteProcessMemory
      PID:1388
      • C:\Users\Admin\AppData\Roaming\Install\Host.exe
        -m "C:\Users\Admin\AppData\Local\Temp\4a157f302bd6afd4079720dbc7028a8caae9b2d2b192ee4f4a6915dec94cd5af.exe"
        3⤵
        • Executes dropped EXE
        • Suspicious use of SetWindowsHookEx
        • Suspicious use of WriteProcessMemory
        PID:1656
        • C:\Users\Admin\AppData\Roaming\Install\Host.exe
          -m "C:\Users\Admin\AppData\Local\Temp\4a157f302bd6afd4079720dbc7028a8caae9b2d2b192ee4f4a6915dec94cd5af.exe"
          4⤵
          • Executes dropped EXE
          • Deletes itself
          • Adds Run key to start application
          PID:2000

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

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

    Filesize

    648KB

    MD5

    7c958c25fd6e816da044bcd23f37940a

    SHA1

    e95cf0c3d58448cf0e9ff8b53ca6ecff10a81246

    SHA256

    4a157f302bd6afd4079720dbc7028a8caae9b2d2b192ee4f4a6915dec94cd5af

    SHA512

    08f22b747697c3060f14834c321203c7eacdbe1f053dbe3044a3810a030ba9da26746b64d3ed956741fa5465c868b0d00d692c89a2538d038d973fb43a072724

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

    Filesize

    648KB

    MD5

    7c958c25fd6e816da044bcd23f37940a

    SHA1

    e95cf0c3d58448cf0e9ff8b53ca6ecff10a81246

    SHA256

    4a157f302bd6afd4079720dbc7028a8caae9b2d2b192ee4f4a6915dec94cd5af

    SHA512

    08f22b747697c3060f14834c321203c7eacdbe1f053dbe3044a3810a030ba9da26746b64d3ed956741fa5465c868b0d00d692c89a2538d038d973fb43a072724

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

    Filesize

    648KB

    MD5

    7c958c25fd6e816da044bcd23f37940a

    SHA1

    e95cf0c3d58448cf0e9ff8b53ca6ecff10a81246

    SHA256

    4a157f302bd6afd4079720dbc7028a8caae9b2d2b192ee4f4a6915dec94cd5af

    SHA512

    08f22b747697c3060f14834c321203c7eacdbe1f053dbe3044a3810a030ba9da26746b64d3ed956741fa5465c868b0d00d692c89a2538d038d973fb43a072724

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

    Filesize

    648KB

    MD5

    7c958c25fd6e816da044bcd23f37940a

    SHA1

    e95cf0c3d58448cf0e9ff8b53ca6ecff10a81246

    SHA256

    4a157f302bd6afd4079720dbc7028a8caae9b2d2b192ee4f4a6915dec94cd5af

    SHA512

    08f22b747697c3060f14834c321203c7eacdbe1f053dbe3044a3810a030ba9da26746b64d3ed956741fa5465c868b0d00d692c89a2538d038d973fb43a072724

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

    Filesize

    648KB

    MD5

    7c958c25fd6e816da044bcd23f37940a

    SHA1

    e95cf0c3d58448cf0e9ff8b53ca6ecff10a81246

    SHA256

    4a157f302bd6afd4079720dbc7028a8caae9b2d2b192ee4f4a6915dec94cd5af

    SHA512

    08f22b747697c3060f14834c321203c7eacdbe1f053dbe3044a3810a030ba9da26746b64d3ed956741fa5465c868b0d00d692c89a2538d038d973fb43a072724

  • memory/1388-60-0x0000000000400000-0x000000000042C000-memory.dmp

    Filesize

    176KB

  • memory/1388-62-0x0000000000400000-0x000000000042C000-memory.dmp

    Filesize

    176KB

  • memory/1388-67-0x0000000000400000-0x000000000042C000-memory.dmp

    Filesize

    176KB

  • memory/1388-58-0x0000000000000000-mapping.dmp

  • memory/1580-56-0x0000000000250000-0x0000000000256000-memory.dmp

    Filesize

    24KB

  • memory/1580-59-0x0000000000250000-0x0000000000256000-memory.dmp

    Filesize

    24KB

  • memory/1580-57-0x00000000752A1000-0x00000000752A3000-memory.dmp

    Filesize

    8KB

  • memory/1656-65-0x0000000000000000-mapping.dmp

  • memory/2000-72-0x0000000000000000-mapping.dmp

  • memory/2000-76-0x0000000000400000-0x000000000042C000-memory.dmp

    Filesize

    176KB

  • memory/2000-77-0x0000000000400000-0x000000000042C000-memory.dmp

    Filesize

    176KB

  • memory/2000-78-0x0000000000400000-0x000000000042C000-memory.dmp

    Filesize

    176KB