Analysis

  • max time kernel
    129s
  • max time network
    145s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20250502-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20250502-enlocale:en-usos:windows10-2004-x64system
  • submitted
    19/05/2025, 07:32

General

  • Target

    250519-h77aaavkw7.exe

  • Size

    919KB

  • MD5

    06eea001fb61532885ae0ce6f95d0b3c

  • SHA1

    0cd7c9f2abdd2558333541762903d2f8328dec96

  • SHA256

    2dc1258101b1183ad4e08320f15310cad541c900919e98e0816c751fee303306

  • SHA512

    1bd704ab322497ffc5212aed7283819253113b4f2e306b0f3a8d1eec2d4cb302d3007c859877284d31c988917c712f652bdede16c7fb489568293c28e3860c21

  • SSDEEP

    12288:nUeaElE9Yt9gusNqdRZ0MQCC+B5nXEnLRxBF1IYPLfESTbxNy:nUellzt9g5cnQIvnXEnLrBYNSTK

Malware Config

Extracted

Family

netwire

C2

185.244.30.51:3373

185.244.30.51:3376

Attributes
  • activex_autorun

    false

  • copy_executable

    false

  • delete_original

    false

  • host_id

    HostId-%Rand%

  • keylogger_dir

    %AppData%\Logs\

  • lock_executable

    false

  • offline_keylogger

    true

  • password

    bigfavor12

  • registry_autorun

    false

  • use_mutex

    false

Signatures

  • NetWire RAT payload 4 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.

  • Suspicious use of SetThreadContext 1 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • System Location Discovery: System Language Discovery 1 TTPs 3 IoCs

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

  • Scheduled Task/Job: Scheduled Task 1 TTPs 1 IoCs

    Schtasks is often used by malware for persistence or to perform post-infection execution.

  • Suspicious behavior: EnumeratesProcesses 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 14 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\250519-h77aaavkw7.exe
    "C:\Users\Admin\AppData\Local\Temp\250519-h77aaavkw7.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1200
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\pmbtKQaVLTRS" /XML "C:\Users\Admin\AppData\Local\Temp\tmp450.tmp"
      2⤵
      • System Location Discovery: System Language Discovery
      • Scheduled Task/Job: Scheduled Task
      PID:1212
    • C:\Users\Admin\AppData\Local\Temp\250519-h77aaavkw7.exe
      "{path}"
      2⤵
      • System Location Discovery: System Language Discovery
      PID:3704

Network

        MITRE ATT&CK Enterprise v16

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        • C:\Users\Admin\AppData\Local\Temp\tmp450.tmp

          Filesize

          1KB

          MD5

          af6a28447af9137378e756fbdc581273

          SHA1

          fcf990229a44a6da78537d431bd91a8757b04a05

          SHA256

          02f5a47c84df5cd77b0b36ba9b088dc19ebbada08f81789cb623a0cf7d973d09

          SHA512

          b55e28e41164363cfa51279fb982521cdeaa9871a45375954446cb4aa84f326965f0d1af40c9855d3534bb78f312d0ba551585cf5c6be85d7e90b09c73538f65

        • memory/1200-8-0x0000000074570000-0x0000000074D20000-memory.dmp

          Filesize

          7.7MB

        • memory/1200-10-0x00000000063B0000-0x000000000644C000-memory.dmp

          Filesize

          624KB

        • memory/1200-3-0x00000000054A0000-0x0000000005532000-memory.dmp

          Filesize

          584KB

        • memory/1200-4-0x0000000005420000-0x000000000542A000-memory.dmp

          Filesize

          40KB

        • memory/1200-5-0x0000000074570000-0x0000000074D20000-memory.dmp

          Filesize

          7.7MB

        • memory/1200-6-0x0000000005410000-0x0000000005424000-memory.dmp

          Filesize

          80KB

        • memory/1200-2-0x00000000059B0000-0x0000000005F54000-memory.dmp

          Filesize

          5.6MB

        • memory/1200-7-0x000000007457E000-0x000000007457F000-memory.dmp

          Filesize

          4KB

        • memory/1200-9-0x00000000062B0000-0x00000000062FC000-memory.dmp

          Filesize

          304KB

        • memory/1200-0-0x000000007457E000-0x000000007457F000-memory.dmp

          Filesize

          4KB

        • memory/1200-1-0x0000000000990000-0x0000000000A7C000-memory.dmp

          Filesize

          944KB

        • memory/1200-19-0x0000000074570000-0x0000000074D20000-memory.dmp

          Filesize

          7.7MB

        • memory/3704-17-0x0000000000400000-0x0000000000433000-memory.dmp

          Filesize

          204KB

        • memory/3704-18-0x0000000000400000-0x0000000000433000-memory.dmp

          Filesize

          204KB

        • memory/3704-14-0x0000000000400000-0x0000000000433000-memory.dmp

          Filesize

          204KB

        • memory/3704-20-0x0000000000400000-0x0000000000433000-memory.dmp

          Filesize

          204KB