Resubmissions

18-01-2025 16:59

250118-vhmksszkhq 10

18-01-2025 15:36

250118-s1wkbawrdw 9

General

  • Target

    Logged.exe

  • Size

    74.0MB

  • Sample

    250118-vhmksszkhq

  • MD5

    cf6fb14c4dcb8a424d3154953a86fdf7

  • SHA1

    d181373763516d4ada6bc1a4bf7b88cfed0032a9

  • SHA256

    2bc3c65fae825cb4d7c1e34a579fe6aed5aef201db251649ce16e7cf13dcf7c2

  • SHA512

    c3f4d52efc5bd723b109dd7ad832130d64b8367bb7a57e6f6ccba0e4351b3e1dc2199bb6bca26852a5f1c776191d0bcb0f9c671fe87f2448915c96b0d3de8c74

  • SSDEEP

    1572864:/QwYC+7xMkRCtQkTMT2Zr9yre77nD0CpbeQ/KZYlctCqkFj23tWoG8g2cnr5:/306kkQkTyCAS/DrbSQctXkFj29UbJr5

Malware Config

Targets

    • Target

      Logged.exe

    • Size

      74.0MB

    • MD5

      cf6fb14c4dcb8a424d3154953a86fdf7

    • SHA1

      d181373763516d4ada6bc1a4bf7b88cfed0032a9

    • SHA256

      2bc3c65fae825cb4d7c1e34a579fe6aed5aef201db251649ce16e7cf13dcf7c2

    • SHA512

      c3f4d52efc5bd723b109dd7ad832130d64b8367bb7a57e6f6ccba0e4351b3e1dc2199bb6bca26852a5f1c776191d0bcb0f9c671fe87f2448915c96b0d3de8c74

    • SSDEEP

      1572864:/QwYC+7xMkRCtQkTMT2Zr9yre77nD0CpbeQ/KZYlctCqkFj23tWoG8g2cnr5:/306kkQkTyCAS/DrbSQctXkFj29UbJr5

    • CryptoLocker

      Ransomware family with multiple variants.

    • Cryptolocker family

    • Suspicious use of NtCreateProcessExOtherParentProcess

    • Downloads MZ/PE file

    • Event Triggered Execution: Image File Execution Options Injection

    • 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.

    • Drops startup 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

    • Reads user/profile data of web browsers

      Infostealers often target stored browser data, which can include saved credentials etc.

    • Unsecured Credentials: Credentials In Files

      Steal credentials from unsecured files.

    • Accesses cryptocurrency files/wallets, possible credential harvesting

    • 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.

    • Checks whether UAC is enabled

    • Enumerates connected drives

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

    • Legitimate hosting services abused for malware hosting/C2

    • Looks up external IP address via web service

      Uses a legitimate IP lookup service to find the infected system's external IP.

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

    • Network Share Discovery

      Attempt to gather information on host network.

    • Checks system information in the registry

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

    • Drops file in System32 directory

    • Suspicious use of NtCreateThreadExHideFromDebugger

    • Suspicious use of NtSetInformationThreadHideFromDebugger

    • UPX packed file

      Detects executables packed with UPX/modified UPX open source packer.

MITRE ATT&CK Enterprise v15

Tasks