General

  • Target

    PO 0767532.xls

  • Size

    107KB

  • Sample

    220926-j7vf6aaad8

  • MD5

    4d3137651038dfe44ccf6440f6281dfb

  • SHA1

    2d28e875fca6e4f945b5165b03f9aa7747764836

  • SHA256

    13c9bc1d2ac60ca5abb5a235d7d27d8c6f06e497da360f391785044d413cc29e

  • SHA512

    7cfda63f4a2a8a4fd4457135c345f403bb3665e4815c4bb983fa14d05ce94d1cd35daa54926fea9f64a6b998b428ab3cf0f2f05a371941cc145a5fb74e54d0ad

Malware Config

Extracted

Family

netwire

C2

37.0.14.206:3384

Attributes
activex_autorun
false
copy_executable
true
delete_original
false
host_id
HostId-%Rand%
install_path
%AppData%\Install\Host.exe
keylogger_dir
%AppData%\Logs\
lock_executable
true
offline_keylogger
true
password
Password234
registry_autorun
false
use_mutex
false

Targets

    • Target

      PO 0767532.xls

    • Size

      107KB

    • MD5

      4d3137651038dfe44ccf6440f6281dfb

    • SHA1

      2d28e875fca6e4f945b5165b03f9aa7747764836

    • SHA256

      13c9bc1d2ac60ca5abb5a235d7d27d8c6f06e497da360f391785044d413cc29e

    • SHA512

      7cfda63f4a2a8a4fd4457135c345f403bb3665e4815c4bb983fa14d05ce94d1cd35daa54926fea9f64a6b998b428ab3cf0f2f05a371941cc145a5fb74e54d0ad

    • NetWire RAT payload

    • Netwire

      Netwire is a RAT with main functionalities focused password stealing and keylogging, but also includes remote control capabilities as well.

    • Process spawned unexpected child process

      This typically indicates the parent process was compromised via an exploit or macro.

    • Downloads MZ/PE file

    • Executes dropped EXE

    • Checks computer location settings

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

    • Loads dropped DLL

    • Adds Run key to start application

    • Suspicious use of SetThreadContext

MITRE ATT&CK Matrix

Collection

    Command and Control

      Credential Access

        Defense Evasion

        Execution

          Exfiltration

            Impact

              Initial Access

                Lateral Movement

                  Privilege Escalation