Analysis

  • max time kernel
    160s
  • max time network
    155s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-en-20220112
  • submitted
    17/02/2022, 02:54

General

  • Target

    5e2e654d06837d7f65a0633dfbf1dd03d61791e889b1fb1b594bfa0a9d06bbac.exe

  • Size

    148KB

  • MD5

    9e1eaf5b802057f0e7b6130787534c21

  • SHA1

    26dddf04ee40627f7b7f0c59574b00159d72ddd2

  • SHA256

    5e2e654d06837d7f65a0633dfbf1dd03d61791e889b1fb1b594bfa0a9d06bbac

  • SHA512

    11814391c05f3b4f96623f5d4753626ec6372b9c6f09fbaebcdb530694c648eab2484622a65e318dca360e0410ef8bd64c4ad67a844267faee66e1a790586c3a

Malware Config

Extracted

Family

netwire

C2

oluwaboi.duckdns.org:20202

Attributes
  • activex_autorun

    false

  • activex_key

  • copy_executable

    true

  • delete_original

    false

  • host_id

    Dollarboss

  • install_path

    %AppData%\Install\redok.exe

  • keylogger_dir

    %AppData%\Logs\

  • lock_executable

    false

  • mutex

    hrTvdnfD

  • offline_keylogger

    true

  • password

    oluwaboi

  • registry_autorun

    true

  • startup_name

    redok

  • use_mutex

    true

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.

  • Executes dropped EXE 1 IoCs
  • Checks computer location settings 2 TTPs 1 IoCs

    Looks up country code configured in the registry, likely geofence.

  • Adds Run key to start application 2 TTPs 2 IoCs
  • Drops file in Windows directory 3 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Checks processor information in registry 2 TTPs 2 IoCs

    Processor information is often read in order to detect sandboxing environments.

  • Modifies data under HKEY_USERS 50 IoCs
  • Suspicious use of AdjustPrivilegeToken 64 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\5e2e654d06837d7f65a0633dfbf1dd03d61791e889b1fb1b594bfa0a9d06bbac.exe
    "C:\Users\Admin\AppData\Local\Temp\5e2e654d06837d7f65a0633dfbf1dd03d61791e889b1fb1b594bfa0a9d06bbac.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of WriteProcessMemory
    PID:1748
    • C:\Users\Admin\AppData\Roaming\Install\redok.exe
      "C:\Users\Admin\AppData\Roaming\Install\redok.exe"
      2⤵
      • Executes dropped EXE
      • Adds Run key to start application
      PID:4440
  • C:\Windows\system32\MusNotifyIcon.exe
    %systemroot%\system32\MusNotifyIcon.exe NotifyTrayIcon 13
    1⤵
    • Checks processor information in registry
    PID:2876
  • C:\Windows\System32\svchost.exe
    C:\Windows\System32\svchost.exe -k NetworkService -p
    1⤵
    • Drops file in Windows directory
    • Modifies data under HKEY_USERS
    PID:4468
  • C:\Windows\winsxs\amd64_microsoft-windows-servicingstack_31bf3856ad364e35_10.0.19041.1220_none_7e21bc567c7ed16b\TiWorker.exe
    C:\Windows\winsxs\amd64_microsoft-windows-servicingstack_31bf3856ad364e35_10.0.19041.1220_none_7e21bc567c7ed16b\TiWorker.exe -Embedding
    1⤵
    • Drops file in Windows directory
    • Suspicious use of AdjustPrivilegeToken
    PID:4372

Network

        MITRE ATT&CK Enterprise v6

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        Downloads