Analysis

  • max time kernel
    78s
  • max time network
    45s
  • platform
    windows7_x64
  • resource
    win7-20220414-en
  • submitted
    01-07-2022 04:17

General

  • Target

    ec5de5b44d3d1d71078879e33ba531af86e776ca86d4558b4fac7b7884918954.exe

  • Size

    148KB

  • MD5

    3ecf5570135182164ad58082f45bd810

  • SHA1

    1d2620cd90ee414bbef359b69a228a68036cd2b2

  • SHA256

    ec5de5b44d3d1d71078879e33ba531af86e776ca86d4558b4fac7b7884918954

  • SHA512

    262d312ee79b6cab44c8129b358127ebd84524496e219e955227f46c8a296750b7e87e7d7bcb7c02934bd52e652874bdcc0ba4cb5696e17df424db498bb674fc

Malware Config

Extracted

Family

netwire

C2

tubyeko.ddns.net:1363

Attributes
  • activex_autorun

    false

  • copy_executable

    true

  • delete_original

    false

  • install_path

    %AppData%\Install\Host.exe

  • lock_executable

    false

  • offline_keylogger

    false

  • password

    cimala12345

  • registry_autorun

    true

  • startup_name

    NetWire

  • use_mutex

    false

Signatures

  • NetWire RAT payload 3 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 1 IoCs
  • Loads dropped DLL 2 IoCs
  • Adds Run key to start application 2 TTPs 2 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Suspicious use of WriteProcessMemory 4 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\ec5de5b44d3d1d71078879e33ba531af86e776ca86d4558b4fac7b7884918954.exe
    "C:\Users\Admin\AppData\Local\Temp\ec5de5b44d3d1d71078879e33ba531af86e776ca86d4558b4fac7b7884918954.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious use of WriteProcessMemory
    PID:1992
    • C:\Users\Admin\AppData\Roaming\Install\Host.exe
      "C:\Users\Admin\AppData\Roaming\Install\Host.exe"
      2⤵
      • Executes dropped EXE
      • Adds Run key to start application
      PID:964

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

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

    Filesize

    148KB

    MD5

    3ecf5570135182164ad58082f45bd810

    SHA1

    1d2620cd90ee414bbef359b69a228a68036cd2b2

    SHA256

    ec5de5b44d3d1d71078879e33ba531af86e776ca86d4558b4fac7b7884918954

    SHA512

    262d312ee79b6cab44c8129b358127ebd84524496e219e955227f46c8a296750b7e87e7d7bcb7c02934bd52e652874bdcc0ba4cb5696e17df424db498bb674fc

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

    Filesize

    148KB

    MD5

    3ecf5570135182164ad58082f45bd810

    SHA1

    1d2620cd90ee414bbef359b69a228a68036cd2b2

    SHA256

    ec5de5b44d3d1d71078879e33ba531af86e776ca86d4558b4fac7b7884918954

    SHA512

    262d312ee79b6cab44c8129b358127ebd84524496e219e955227f46c8a296750b7e87e7d7bcb7c02934bd52e652874bdcc0ba4cb5696e17df424db498bb674fc

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

    Filesize

    148KB

    MD5

    3ecf5570135182164ad58082f45bd810

    SHA1

    1d2620cd90ee414bbef359b69a228a68036cd2b2

    SHA256

    ec5de5b44d3d1d71078879e33ba531af86e776ca86d4558b4fac7b7884918954

    SHA512

    262d312ee79b6cab44c8129b358127ebd84524496e219e955227f46c8a296750b7e87e7d7bcb7c02934bd52e652874bdcc0ba4cb5696e17df424db498bb674fc

  • memory/964-57-0x0000000000000000-mapping.dmp

  • memory/1992-54-0x00000000751C1000-0x00000000751C3000-memory.dmp

    Filesize

    8KB