Analysis

  • max time kernel
    96s
  • max time network
    155s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220414-en
  • submitted
    21-05-2022 03:08

General

  • Target

    FADEX_16.exe

  • Size

    291KB

  • MD5

    33a4cfe431ca51de83e78a58a0ba4631

  • SHA1

    ce870eae750f10ec50dcfba2850ba3e0b7d50be8

  • SHA256

    f24e45d41404cdbd5b3e88ef39f6b047d062ade5cb3bddbe2ad40d5331e27210

  • SHA512

    fb1569a7bdc839875024c8cf29d41f8166b346b3b512a806e6f40af697a3c3cb95526caabf1431ad22fcbe284bde177cd837a87db1decce87cb1316cf9f044a3

Malware Config

Extracted

Family

netwire

C2

winx.xcapdatap.capetown:7390

Attributes
  • activex_autorun

    false

  • activex_key

  • copy_executable

    false

  • delete_original

    false

  • host_id

    Jagz_$$$

  • install_path

  • keylogger_dir

    %AppData%\Logs\

  • lock_executable

    false

  • mutex

  • offline_keylogger

    true

  • password

    P@55w0rd!

  • registry_autorun

    false

  • startup_name

  • use_mutex

    false

Signatures

  • NetWire RAT payload 2 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.

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

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

  • Creates scheduled task(s) 1 TTPs 1 IoCs

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

  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 17 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\FADEX_16.exe
    "C:\Users\Admin\AppData\Local\Temp\FADEX_16.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:4976
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\BElCbvvZQg" /XML "C:\Users\Admin\AppData\Local\Temp\tmp1B82.tmp"
      2⤵
      • Creates scheduled task(s)
      PID:256
    • C:\Users\Admin\AppData\Local\Temp\FADEX_16.exe
      "{path}"
      2⤵
        PID:1500
      • C:\Users\Admin\AppData\Local\Temp\FADEX_16.exe
        "{path}"
        2⤵
          PID:4624

      Network

      MITRE ATT&CK Matrix ATT&CK v6

      Execution

      Scheduled Task

      1
      T1053

      Persistence

      Scheduled Task

      1
      T1053

      Privilege Escalation

      Scheduled Task

      1
      T1053

      Discovery

      Query Registry

      1
      T1012

      System Information Discovery

      2
      T1082

      Replay Monitor

      Loading Replay Monitor...

      Downloads

      • C:\Users\Admin\AppData\Local\Temp\tmp1B82.tmp
        Filesize

        1KB

        MD5

        c8642594b101f95d4159bb48eacdee84

        SHA1

        f7fde5bf2ed63d97544bb3298e4f7bfc87117840

        SHA256

        e0f1ab66affb018d910b4dbe9d6034c133862480665074083d8d5d85c1e5f47f

        SHA512

        606d44169cfd5f86183ffa201eabf4a1aa1c0a3e64ca2b0542ebb2ffb9fd4cb9ecb8dfc6a5d5d64600860c448262dc9735113708bb15718bcd8a3aabc3902973

      • memory/256-134-0x0000000000000000-mapping.dmp
      • memory/1500-136-0x0000000000000000-mapping.dmp
      • memory/4624-137-0x0000000000000000-mapping.dmp
      • memory/4624-138-0x0000000000400000-0x0000000000433000-memory.dmp
        Filesize

        204KB

      • memory/4624-140-0x0000000000400000-0x0000000000433000-memory.dmp
        Filesize

        204KB

      • memory/4976-130-0x00000000008F0000-0x000000000093E000-memory.dmp
        Filesize

        312KB

      • memory/4976-131-0x0000000005350000-0x00000000053EC000-memory.dmp
        Filesize

        624KB

      • memory/4976-132-0x0000000005490000-0x0000000005522000-memory.dmp
        Filesize

        584KB

      • memory/4976-133-0x0000000006090000-0x0000000006634000-memory.dmp
        Filesize

        5.6MB