Resubmissions

09-02-2025 18:43

250209-xc9t9azjfz 6

09-02-2025 18:18

250209-wx2tpsypex 6

09-02-2025 17:43

250209-wa19naxrgk 10

09-02-2025 17:24

250209-vynsssxnhp 8

09-02-2025 17:01

250209-vjteqsxnds 6

09-02-2025 14:35

250209-ryd2tatqek 1

09-02-2025 14:24

250209-rqq2eatnhn 7

09-02-2025 13:39

250209-qx2k2ssqdw 8

09-02-2025 13:24

250209-qndgvsslbn 6

General

  • Target

    test.txt

  • Size

    18B

  • Sample

    250208-y1frratkgn

  • MD5

    5b3f97d48c8751bd031b7ea53545bdb6

  • SHA1

    88be3374c62f23406ec83bb11279f8423bd3f88d

  • SHA256

    d8fce9dd9c65ca143343f7711859a7cffc3c5e656a8b84108183fb769a12ed8b

  • SHA512

    ed2de1eec50310ced4bde8ef6ae4b7902920b007df7b6aeb200cfe9fcc0d36ef05af7526c4675be2feac52831668798d5fe3523175efad6f6549b30f30a0b5d6

Malware Config

Targets

    • Target

      test.txt

    • Size

      18B

    • MD5

      5b3f97d48c8751bd031b7ea53545bdb6

    • SHA1

      88be3374c62f23406ec83bb11279f8423bd3f88d

    • SHA256

      d8fce9dd9c65ca143343f7711859a7cffc3c5e656a8b84108183fb769a12ed8b

    • SHA512

      ed2de1eec50310ced4bde8ef6ae4b7902920b007df7b6aeb200cfe9fcc0d36ef05af7526c4675be2feac52831668798d5fe3523175efad6f6549b30f30a0b5d6

    • Downloads MZ/PE file

    • Modifies Windows Firewall

    • A potential corporate email address has been identified in the URL: [email protected]

    • Checks computer location settings

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

    • 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.

    • Creates a large amount of network flows

      This may indicate a network scan to discover remotely running services.

    • Enumerates connected drives

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

    • Mark of the Web detected: This indicates that the page was originally saved or cloned.

    • Checks system information in the registry

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

    • Detected potential entity reuse from brand MICROSOFT.

MITRE ATT&CK Enterprise v15

Tasks