Resubmissions

26/04/2026, 11:57

260426-n44ymsgz7x8

26/04/2026, 11:51

260426-n1nr9agx6x8

26/04/2026, 11:51

260426-n1hagagx6v3

26/04/2026, 11:50

260426-nzvt6sa18r3

General

  • Target
    nitro free tool.zip
  • Size 255KB
  • Sample260426-n44ymsgz7x
  • SHA256 d18b9793500bc3451746e05207d63cd68e7b3329ba3c0dc907e10800119a457a
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Targets

    • Target
      nitro free tool/main.py
    • Size 53KB
    • SHA256 c06f7483cc8fbcd6fc402a5690f0b9f1db4eca5db1b61b66c11629da2868436f
    • MD5 SHA1 SHA512 SSDEEP TLSH
    • Downloads MZ/PE file

    • Event Triggered Execution: Component Object Model Hijacking

      Adversaries may establish persistence by executing malicious content triggered by hijacked references to Component Object Model (COM) objects.

    • Executes dropped EXE

    • Loads dropped DLL

    • Adds Run key to start application

    • Checks installed software on the system

      Looks up Uninstall key entries in the registry to enumerate software on the system.

    • Enumerates connected drives

      Attempts to read the root path of hard drives other than the default C: drive.

    • Target
      nitro free tool/pyarmor_runtime_000000/__init__.py
    • Size 103B
    • SHA256 36ec246ab1810998c8e14455a9a4c4e593c4c73d368c6321c8e190518ae3b4de
    • MD5 SHA1 SHA512 TLSH
    Score
    3/10
    • Target
      nitro free tool/pyarmor_runtime_000000/pyarmor_runtime.pyd
    • Size 627KB
    • SHA256 08e661d6b7f0aa69c36e5a62fe97d7e026841f1e64f0595d91c3cc61a5bb6cef
    • MD5 SHA1 SHA512 SSDEEP TLSH
    Score
    1/10
    • Target
      nitro free tool/start.bat
    • Size 123B
    • SHA256 49bce604beef237d620ab11acedc72fdb2c0e63a0e3b5e7d1deefa11c3420a7f
    • MD5 SHA1 SHA512 TLSH
    Score
    1/10

MITRE ATT&CK Enterprise v16

Tasks