Analysis

  • max time kernel
    152s
  • max time network
    159s
  • platform
    windows7_x64
  • resource
    win7-20220414-en
  • submitted
    25-06-2022 09:38

General

  • Target

    5f4254d96d437929fc381b7a86c01304d02d17e9b7cd1e8195544ab16c69369f.exe

  • Size

    273KB

  • MD5

    454dba160165cb2fa663e44af54dd26d

  • SHA1

    fa02dddeb360e4bd750b1b0893a59f39e742938b

  • SHA256

    5f4254d96d437929fc381b7a86c01304d02d17e9b7cd1e8195544ab16c69369f

  • SHA512

    6dd812f73e897755490cf6fe18f6857fe6326916072612434fa7d25e3c12454dac9a8545247281eb20613e845a868f8ea99a13fdf8297f1665b800bf80abe859

Malware Config

Extracted

Family

netwire

C2

zied2020.duckdns.org:3360

45.95.168.129:3360

Attributes
  • activex_autorun

    false

  • copy_executable

    true

  • delete_original

    false

  • host_id

    winners

  • install_path

    %AppData%\Install\javaw.exe

  • keylogger_dir

    %AppData%\Logs\

  • lock_executable

    true

  • offline_keylogger

    true

  • password

    Password

  • registry_autorun

    true

  • startup_name

    javaw

  • use_mutex

    false

Signatures

  • NetWire RAT payload 10 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
  • Loads dropped DLL 2 IoCs
  • Adds Run key to start application 2 TTPs 2 IoCs
  • Suspicious use of SetThreadContext 2 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 26 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\5f4254d96d437929fc381b7a86c01304d02d17e9b7cd1e8195544ab16c69369f.exe
    "C:\Users\Admin\AppData\Local\Temp\5f4254d96d437929fc381b7a86c01304d02d17e9b7cd1e8195544ab16c69369f.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1096
    • C:\Users\Admin\AppData\Local\Temp\5f4254d96d437929fc381b7a86c01304d02d17e9b7cd1e8195544ab16c69369f.exe
      "C:\Users\Admin\AppData\Local\Temp\5f4254d96d437929fc381b7a86c01304d02d17e9b7cd1e8195544ab16c69369f.exe"
      2⤵
      • Loads dropped DLL
      • Suspicious use of WriteProcessMemory
      PID:1768
      • C:\Users\Admin\AppData\Roaming\Install\javaw.exe
        "C:\Users\Admin\AppData\Roaming\Install\javaw.exe"
        3⤵
        • Executes dropped EXE
        • Loads dropped DLL
        • Suspicious use of SetThreadContext
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of WriteProcessMemory
        PID:2044
        • C:\Users\Admin\AppData\Roaming\Install\javaw.exe
          "C:\Users\Admin\AppData\Roaming\Install\javaw.exe"
          4⤵
          • Executes dropped EXE
          • Adds Run key to start application
          PID:692

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

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

    Filesize

    273KB

    MD5

    454dba160165cb2fa663e44af54dd26d

    SHA1

    fa02dddeb360e4bd750b1b0893a59f39e742938b

    SHA256

    5f4254d96d437929fc381b7a86c01304d02d17e9b7cd1e8195544ab16c69369f

    SHA512

    6dd812f73e897755490cf6fe18f6857fe6326916072612434fa7d25e3c12454dac9a8545247281eb20613e845a868f8ea99a13fdf8297f1665b800bf80abe859

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

    Filesize

    273KB

    MD5

    454dba160165cb2fa663e44af54dd26d

    SHA1

    fa02dddeb360e4bd750b1b0893a59f39e742938b

    SHA256

    5f4254d96d437929fc381b7a86c01304d02d17e9b7cd1e8195544ab16c69369f

    SHA512

    6dd812f73e897755490cf6fe18f6857fe6326916072612434fa7d25e3c12454dac9a8545247281eb20613e845a868f8ea99a13fdf8297f1665b800bf80abe859

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

    Filesize

    273KB

    MD5

    454dba160165cb2fa663e44af54dd26d

    SHA1

    fa02dddeb360e4bd750b1b0893a59f39e742938b

    SHA256

    5f4254d96d437929fc381b7a86c01304d02d17e9b7cd1e8195544ab16c69369f

    SHA512

    6dd812f73e897755490cf6fe18f6857fe6326916072612434fa7d25e3c12454dac9a8545247281eb20613e845a868f8ea99a13fdf8297f1665b800bf80abe859

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

    Filesize

    273KB

    MD5

    454dba160165cb2fa663e44af54dd26d

    SHA1

    fa02dddeb360e4bd750b1b0893a59f39e742938b

    SHA256

    5f4254d96d437929fc381b7a86c01304d02d17e9b7cd1e8195544ab16c69369f

    SHA512

    6dd812f73e897755490cf6fe18f6857fe6326916072612434fa7d25e3c12454dac9a8545247281eb20613e845a868f8ea99a13fdf8297f1665b800bf80abe859

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

    Filesize

    273KB

    MD5

    454dba160165cb2fa663e44af54dd26d

    SHA1

    fa02dddeb360e4bd750b1b0893a59f39e742938b

    SHA256

    5f4254d96d437929fc381b7a86c01304d02d17e9b7cd1e8195544ab16c69369f

    SHA512

    6dd812f73e897755490cf6fe18f6857fe6326916072612434fa7d25e3c12454dac9a8545247281eb20613e845a868f8ea99a13fdf8297f1665b800bf80abe859

  • memory/692-98-0x0000000000080000-0x00000000000B0000-memory.dmp

    Filesize

    192KB

  • memory/692-93-0x0000000000080000-0x00000000000B0000-memory.dmp

    Filesize

    192KB

  • memory/692-88-0x000000000040242D-mapping.dmp

  • memory/1096-54-0x0000000000200000-0x000000000024C000-memory.dmp

    Filesize

    304KB

  • memory/1096-55-0x00000000005A0000-0x00000000005CC000-memory.dmp

    Filesize

    176KB

  • memory/1096-56-0x00000000002E0000-0x00000000002E8000-memory.dmp

    Filesize

    32KB

  • memory/1768-70-0x0000000000400000-0x0000000000430000-memory.dmp

    Filesize

    192KB

  • memory/1768-69-0x0000000075FB1000-0x0000000075FB3000-memory.dmp

    Filesize

    8KB

  • memory/1768-67-0x000000000040242D-mapping.dmp

  • memory/1768-65-0x0000000000400000-0x0000000000430000-memory.dmp

    Filesize

    192KB

  • memory/1768-74-0x0000000000400000-0x0000000000430000-memory.dmp

    Filesize

    192KB

  • memory/1768-66-0x0000000000400000-0x0000000000430000-memory.dmp

    Filesize

    192KB

  • memory/1768-62-0x0000000000400000-0x0000000000430000-memory.dmp

    Filesize

    192KB

  • memory/1768-63-0x0000000000400000-0x0000000000430000-memory.dmp

    Filesize

    192KB

  • memory/1768-58-0x0000000000400000-0x0000000000430000-memory.dmp

    Filesize

    192KB

  • memory/1768-60-0x0000000000400000-0x0000000000430000-memory.dmp

    Filesize

    192KB

  • memory/1768-57-0x0000000000400000-0x0000000000430000-memory.dmp

    Filesize

    192KB

  • memory/2044-72-0x0000000000000000-mapping.dmp

  • memory/2044-76-0x0000000000140000-0x000000000018C000-memory.dmp

    Filesize

    304KB